NCAR/TN-349+IA NCAR TECHNICAL NOTE I May 1990
Taiwan Area Mesoscale Experiment: Conventional Data User's Guide
Sue Chen and Aubrey Schumann
Mesoscale and Microscale Meteorology Division I I NATIONAL CENTER FOR ATMOSPHERIC RESEARCH BOULDER, COLORADO
Table of Contents
List of Tables ...... v Acknowledgements ...... vii Preface ...... viii 1.0 Introduction ...... 1 2.0 Description of the Datasets ...... 5 2.1 Mesonet IOP Surface and Rainfall Data ...... 5 2.1.1 Mesonet IOP surface data format ...... 7 2.2 Mesonet IOP/SOP High Resolution Upper-Air Sounding Data . . . 10 2.2.1 IOP High Resolution Upper-Air Data Format ...... 13 2.3 IOP Data in FGGE Format Within the TAMEX Data Area . . 13 2.3.1 IOP Data in FGGE Format Listing ...... 14 2.3.2 FGGE Data Format ...... 14 2.4 Minisonde Data ...... 16 2.4.1 Minisonde Data Listing ...... 16 2.4.2 Minisonde Data Format ...... 17 2.5 Aircraft P-3 Dropwindsonde Data ...... 17 2.5.1 P-3 Dropwindsonde Data Listing ...... 18 2.5.2 P-3 Dropwindsonde Data Format ...... 19 2.6 VHF Radar Upper-Air Wind Data (Profiler Data) ...... 19 2.6.1 Profiler Wind Data Listing ...... 20 2.6.2 Profiler Wind Data Format ...... 21 2.7 CWB and TPC hourly or 3-Hourly Surface Data ...... 22 2.7.1 CWB and TPC Surface Data Format ...... 23 2.8 TAMEX Daily Average and Extreme Values Surface Data . . . . 24 2.8.1 Daily Average and Extreme Values Surface Data Item Code . 24 2.8.2 Daily Average and Extreme Values Surface Data Format . 25 2.9 Boundary Layer (Tower) Wind Data ...... 26 2.9.1 Tower Wind Data Listing ...... 27 2.9.2 Tower Wind Data Format ...... 28 2.10 Aircraft (P-3) Meteorological Data ...... 29 2.10.1 P-3 Meteorological Data Listing ...... 29 2.10.2 P-3 Meteorological Data Format . 29 2.11 WMO Weather Coded Data in the TAMEX Data Area ...... 30 2.11.1 WMO Coded Data Format ...... 31 2.12 Conventional Radar Data ...... 31 2.12.1 Conventional Radar Data Listing ...... 33 2.12.2 Conventional Radar Data Format . .40
iii** 2.13 Rawinsonde Balloon Position Data ...... 45 2.13.1 Balloon Position Data Listing ...... 45 2.13.2 Balloon Position Data Format . .... 45 2.14 Mainland China Surface and Upper-Air Data .... 45 3.0 Quality Checking Procedures at U.S. TAMEX Data Center 49 3.1 Error Checking Procedures ...... 49 3.1.1 Temperature Range Check ...... 50
3.1.2 Temperature Adjacent Level Check ...... I 50
3.1.3 Dew Point Temperature Range Check ...... 50 3.1.4 Wind Direction Range Check ...... 51 . . . . . I 3.1.5 Wind Direction Shear Check ...... 51
3.1.6 Wind Speed Range Check ...... 51 3.1.7 Wind Speed Shear Check ...... 51 3.1.8 Geopotential Height Range Check ..... 52 3.1.9 Pressure Check ...... 52 3.2 Diurnal Temperature Oscillation ...... 54 · · · · · 3.2.1 Procedures to Remove the Diurnal Temperature Oscillation
from Tungkang and Pengchia-Yu ...... · . . *...... 54 3.3 Wind Data Problems ...... 64 3.3.1 Procedure for Post-Processing TAMEX-CLASS
Soundings ...... O 64
4.0 Guidance for Acquiring TAMEX Datasets ...... l 67 4.1 Sample C Shell Script to Acquire MASS STORE Files 67
4.2 Data Available from the NCAR TAMEX Library .. . . 68
4.2.1 Aircraft Data (P-3) · . . . . . 68
4.2.2 NCAR Tech Notes and Manuals . . . 68
4.2.3 Conventional Radar Pictures . · ...... 68 4.2.4 Conventional Radar Video Cassette Records 69 4.2.5 Satellite Pictures - 2 Volumes . . 69 4.2.6 K-Index Charts ...... 70
4.2.7 Surface Charts (CWB) ...... 70 4.2.8 Quick-Look Data (Hard Copy) . . 70 4.2.9 Microfiche ...... 70 5.0 Conclusions ...... 71
References ...... 72 Appendix A: Data Indicator Tables ...... 73 Appendix B : Station Tables ...... 77 Appendix C : TAMEX Datasets on the NCAR MASS STORE 119
iv List of Tables
Table 1.1. Summary of TAMEX Intensive Observing Periods ...... 3 Table 1.2. Meteorological Features Observed in IOPs ...... 4 Table 2.1. Surface or Upper Air Data Header Record ...... 8 Table 2.2. IOP Surface Data Record ...... 9 Table 2.3. Schedule for Sounding Launches ...... 10 Table 2.4. IOP/SOP High Resolution Upper-Air Data Record ...... 13 Table 2.5. IOP Data Listing in FGGE Format ...... 14 Table 2.6. FGGE Data Header Record ...... 14 Table 2.7. FGGE Upper-Air Data Record ...... 15 Table 2.8. FGGE Surface Data Record ...... 15 Table 2.9. Minisonde Data Header Record ...... 17 Table 2.10. Dropwindsonde Data Listing ...... 18 Table 2.11. P-3 Dropwindsonde Data Header Record ...... 19 Table 2.12. P-3 Dropwindsonde Data Record (10 mb interval) ...... 19 Table 2.13. Profiler Wind Data Listing ...... 20 Table 2.14. Profiler Data Header Record ...... 21 Table 2.15. Profiler Data Record ...... 21 Table 2.16. CWB Surface Data Format ...... 23 Table 2.17. TAMEX Daily Average and Extreme Values Surface Data ...... 24 Table 2.18. Daily Average and Extreme Values Surface Data Format ...... 25 Table 2.19. Tower Wind Data Listing ...... 27 Table 2.20. Tower Wind Data Header Record ...... 28 Table 2.21. Tower Wind Data Record ...... 28 Table 2.22. P-3 Meteorological Data Listing ...... 29 Table 2.23. P-3 Meteorological Data Format ...... 30 Table 2.24. WMO Coded Data Format ...... 31 Table 3.1. Temperature Range Check ...... 50 Table A-1. Report Forms ...... 73 Table A-2. Time System ...... 73 Table A-3. Data Source Indicator ...... 73 Table A-4. Instrument Type Indicator ...... 74 Table A-5. Pressure Code Indicator ...... 74 Table A-6. Time Period Indicator ...... 75 Table A-7. Type of Level in Upper-Air Data ...... 75 Table A-8. Quality Check Code ...... 75 Table A-9. Current Weather Code...... 76 Table A-10. CWB Surface Station Data Item Code ...... 76 Table B-1. TAMEX Mesonet Surface Weather Stations ...... 77 Table B-2. TAMEX Rainfall Stations ...... 79
v Table B-3. TAMEX Upper-Air Sounding Stations ...... 83 Table B-4. TAMEX Upper-Air Pibal Stations ...... 83 Table B-5. CWB Surface Stations ...... 84 Table B-6. Daily Average and Extreme Values Surface Stations ...... 87 Table B-7. TAMEX Tower Stations ...... 110 Table B-8. Conventional Radar Stations ...... 110 Table B-9. Surface Stations from the Mainland China Data Set ...... 111 Table B-10. Rawinsonde Stations from the Mainland China Data Set ...... 117 Table B-11. Pibal Stations from the Mainland China Data Set...... 118
vi Acknowledgements The authors would like to thank a number of people for helping to make the Conventional TAMEX data available and for striving to provide high quality datasets. Contributions from organizations, in both Taiwan; the Republic of China's National Science Council, the Ministry of Communications, the Chinese Air Force, and in the United States; the National Science Foundation, made TAMEX possible. Much of the success of the project is due to the diligence of the U.S. com- ponent, particularly Ying-Hwa (Bill) Kuo (NCAR/MMM) and the support of NCAR's Division Directors, Rick Anthes (UCAR/President), Robert Serafin (NCAR/Director), and Phil Merilees (NCAR/MMM). The cooperation and help extended by the Taiwan Data Center, particularly Fung-Lun Chiao and his group (CWB), was greatly appreciated. We would also like to thank Ken Hansen (NCAR's Computing Facility) for his assistance in archiving the TAMEX data on the NCAR MASS STORE. Dr. Richard Johnson (Colorado State University) and his graduate students, James Bresch and Gregory Stumpf, contributed greatly in providing quality checking techniques. We also thank Jeremy Asbill (NCAR/MMM) for programming support and Twyla Barrett (NCAR/MMM) for preparing the manuscript for publication. The authors appreciate the time Stan Trier (NCAR/MMM), Ying-Hwa Kuo, and Jeremy Asbill put into reviewing the manuscript. All of the information in Appendix A and B were provided by the Taiwan TAMEX Data Center.
vii Preface The purpose of this technical note is to provide information regarding the Taiwan Area Mesoscale Experiment (TAMEX) conventional data archived at the U.S. TAMEX Data Center located at the National Center for Atmospheric Research (NCAR). The observation network, quality of the data, data format, data inventory, and data acquisition procedures are described. The TAMEX observation network consists of one NOAA P-3 aircraft, three ground-based C-band Doppler radars, five conventional radars, one VHF Doppler radar, one minisonde station, twelve rawinsonde stations, ten pibal stations, 74 surface stations, 126 raingauge stations, and 21 tower stations. Data were collected from the area of 20-29° N, 114-130° E during May-June 1987. Fourteen datasets are available, including: 1) Mesonet IOP surface and rainfall data, 2) Mesonet IOP/SOP high resolution upper-air data, 3) IOP data in FGGE format within the TAMEX data area, 4) Minisonde data, 5) P-3 aircraft dropwindsonde data, 6) VHF radar upper-air wind profiler data, 7) Hourly and three-hourly CWB surface data in May and June 1987, 8) TAMEX daily average and extreme values surface data, 9) Boundary layer (Tower) wind data, 10) P-3 aircraft meteorological data, 11) WMO weather coded data in the TAMEX area, 12) Conventional radar data, 13) Balloon position data, and 14) Mainland China surface and upper-air data.
viii 1.0 Introduction The Taiwan Area Mesoscale Experiment (TAMEX) is a mesoscale meteorological research program conducted jointly by scientists from Taiwan, the Republic of China and the United States. As stated in the TAMEX overview paper by Kuo and Chen (1990), the main scientific objectives of TAMEX are to study the Mei- Yu front, mesoscale convective systems, and orographic effects. Since the end of the field program in 1987, two scientific workshops have been held for presentations of the TAMEX preliminary research results. In addition to the annual workshop, the U.S. TAMEX project office also publishes a bi-monthly newsletter which provides information concerning the current activity of the TAMEX project office, conventional and Doppler radar data management, and TAMEX research. The data collected during the experiment consisted of surface and upper-air observations from various networks over Taiwan and its adjacent oceans (200 to 290 North and 1140 to 1300 East). The majority of the observing systems were located along the coastline due to the existence of the Central Mountain Range in the middle of the island (see Fig. 1.1). The surface mesonet consisted of a surface observational network, a raingauge network and a wind tower network. The upper-air network consisted of conventional and special rawinsonde sites, pibal sites, minisondes, dropwindsondes released from the P-3 aircraft, and conventional radar sites. The minisonde is a portable system which was operated mostly at National Central University (NCU). The in situ meteorological and Doppler radar data were also collected during the P-3 flight missions. The mainland China surface and upper-air data for selected days in May and June 1987 were later added as a supplemental dataset. The mainland China data cover an area of 200 to 350 North and 110° to 1250 East. All sounding systems collected data at 6 hour intervals from 15 May to 15 June 1987 to provide continuous measurements in both the disturbed and undisturbed periods. These measurements are referred to as the Special Observing Period (SOP). High frequency soundings were made at 3 hour intervals along with continuous operation of three ground-based Doppler radars and P-3 aircraft during the Intensive Observing Periods (IOPs) when significant weather events occurred (see Table 1.1 for the description of all IOPs). The meteorological features observed during the IOPs are listed in Table 1.2 (from Kuo and Chen 1990). Several NCAR technical notes have been published to summarize the daily operations (Cunning 1988), the P-3 aircraft operations (Jorgensen and LeMone 1988), and the Doppler radar operations (Parsons and Trier 1989) during the field program. The Taiwan Data Center also published a three-volume data summary. Volume one contains a description of the TAMEX data. Volume two contains the synoptic weather maps of May and June 1987. Volume three contains the meteorological satellite images of May and June 1987. The publications mentioned above can be obtained from the U.S. TAMEX Project Office at NCAR. This document describes the various datasets taken from the conventional observing system during the field operation and data archived in the U.S. Data
1 Center at NCAR. It points out problems that have been discovered in the high resolution upper-air sounding data and the correction methods applied by the U.S. Data Center. In order to provide U.S. scientists the complete information about the observing network and data format, some information provided here also appeared in other published TAMEX documents. This technical note is designed to provide guidance for the U.S. TAMEX data users only.
Fig. 1.1 Topography Map of Taiwan and the CWB Meteorological Weather Stations
2 Table 1.1 Summary of TAMEX Intensive Observing Periods
IOP Period P-3 Aircraft Rawinsonde Primary No. (UTC) Operations Launches Weather
1 05130600- 05131750- 27 Mei-Yu Front 05140000 05140004 2 05160600- 05161310- 101 Prefrontal squall line, meso-low 05170300 05162142 Mei-Yu front 3 05210600- 05211216- 118 Low-level jet, squall line 05222000 05212212, 05221330- 05222024 4 05271000- None 34 Mei-Yu front, mountain convection 05280000 5 06010600- 06011215 48 Squall line, low-level jet 06012300 06011920 6 06020600- None 28 Mei-Yu front, squall line 06021200 7 06051200- 06051159- 40 Open-ocean mesoscale convective 06060000 06051914 system 8 06070600- None 122 Mountain convection, Mei-Yu front 06090000 9 06141600- 06150907- 62 Mesoscale convective system, 06151700 06151625 Mei-Yu front 10 06160600 06161216- 84 Rotating mesoscale convective system 06171800 06161954, 06171115- 06171842 11 06190600- 06200346- 69 Sea-breeze convection 06202100 06201234 12 06230600- None 17 Low-level jet 06231200 13 06241400- None 38 Squall line, mesoscale convective 06251500 system, Mei-Yu front
3 Table 1.2. Meteorological Features Observed in lOPs
Phenomenon TAMEX IOP Number
Mei-Yu front 1, 2, 4, 6, 8, 9, 10, 13 Low-level jet 2, 3, 5, 6, 12 Prefrontal squall lines 2, 3, 6, 13 Mesoscale convective systems 2, 7, 8, 9, 10, 13 Mountain precipitation 4, 8, 5 Terrain-induced mesoscale circulations 1, 2, 3, 6, 8, 9, 10
The text is organized as follows. Section 2.0 provides the titles and a brief description of the data sets. Section 3.0 deals with the quality control procedures used on the TAMEX high-resolution sounding data. This will cover 1) the gross error correction technique; 2) special corrections due to the diurnal temperature oscillation; and 3) the Cross-chain LORAN Atmospheric Sounding System (CLASS) sounding wind recovery technique. Section 4.0 provides guidance in acquiring the datasets from NCAR's mass storage system (MASS STORE) and the available data from the U.S. TAMEX Data Center and section 5.0 contains the conclusions. Appendices A and B provide the data indicator tables and a station list of the observational systems used in the various datasets. Appendix C contains information on the available data from the NCAR MASS STORE.
4 2.0 Description of the Datasets
There are thirteen types of TAMEX level IIb* datasets. These were archived on three data tapes referred to as Tapes A, B and C. The datasets on these tapes have been archived on the NCAR MASS STORE (see Appendix C) as individual datasets or files. In this section we included the mainland China surface and upper- air dataset as a supplemental dataset for the TAMEX level IIb data. All the data, except the mainland China data, described here were quality checked by the Taiwan TAMEX Data Center at the Central Weather Bureau. The quality checking procedures can be found in the TAMEX Data Summary (prepared by the Taiwan Data Center, available from the U.S. TAMEX Data Center). In addition to the quality checking effort made by the Taiwan Data Center, the U.S. Data Center also performed corrections to the TAMEX high resolution upper-air soundings and the mainland China upper-air soundings. The correction procedures are described in Section 3. The following sections provide an overview of the available TAMEX datasets. Descriptions of the data frequency, the station locations and the data formats are included for reference.
2.1 Mesonet IOP Surface and Rainfall Data
During the experiment, 78 surface and 125 raingauge stations recorded hourly data. The observing frequency was increased to 30 min intervals during the lOPs. Fig. 2.1 and Fig. 2.2 show the location of the surface mesonet and raingauge stations (see Tables B-1 and B-2 for the listing of the surface mesonet and rainfall stations). Most sites recorded wind speed and direction, temperature and rainfall; pressuressure and dewpoint temperature recording varied by site. Three out of the 78 surface mesonet stations were shipboard stations. Additional information such as sea surface temperature is reported by the ship stations. The ship data were missing during some lOPs when the ships had to return to port for supplies or maintenance. Due to the problems with some automatic rainfall collecting systems during the field program, some raingauge stations did not record data before 27 May 1987.
* The Global Atmospheric Research Program's (GARP's) data have been subjected to post-event quality control and reformatting procedures. They include observation data that were not reported in real-time.
5 25°N
24°N
23°N
22°N
-- 119°E 120°E 121°E 122°E 123°E
Fig. 2.1 TAMEX Surface Mesonet Station Locations [From Cunning 1988]
6 2.1.1 Mesonet IOP Surface Data Format
All the data are preceded by a header record. The first 4 characters of the header record for the surface observation data from land and precipitation stations is 'OOAH', and from mobile ships it is 'OOCH'.
25°N
24°N
23°N
22°N
119°E 120E 121E 122°E 123°E
Fig. 2.2 TAMEX Raingauge Station Locations [From Cunning 1988]
7 Table 2.1 IOP Surface or Upper-Air Data Header Record
Number of Position Parameter Characters Number Remarks (Column)
Form No. 3 1-3 Table A-1 Time system id 1 4-4 Table A-2 Instrument type id 2 7-8 Table A-4 Station no 5 9-13 Table B-1 Elevation (ground/deck) 5 14-18 In 0.1 m Latitude 5 19-23 In 0.001 deg for example :2382N means 23.82N degree Longitude 6 24-29 In 0.001 deg for example :12067E Synoptic date 2*3 30-35 Year, month, day Synoptic time 4 36-39 Ex: '1500' Release time 4 40-43 Ex: '1445' Sensor elevation 4 44-47 In 0.1 m (for tower stations) Barometer elevation (for surface stations) Remarks of synoptic weather 10 48-57 Synoptic weather (for upper-air station) code (NLHMCwwapp) Not used 23 58-80 remarks Ex. number of levels to follow (Total number of levels from Surface to the burst of balloon)
Following the header are the actual data and have the following form : numeric data (valid characters include blank, +, -, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9), and non- numeric data (blank or "-").
8 Table 2.2 IOP Surface Data Record
Number of Position Parameter Characters Number Remarks
Date and time 2*5 1-10 Mon., Day, Hour, Min., Sec. Station pressure 5 11-15 In 0.1 mb Pressure code indicator 1 16-16 Table A-5 Pressure / Geop. 5 17-21 In 0.1 mb or 1 GPM Pressure QC 2 22-23 Table A-8 Temperature value 4 24-27 In 0.1 °C Temperature QC 2 28-29 Table A-8 Relative humidity 3 30-32 In percentages Dew point value 4 33-36 In 0.1 °C Dew point QC 2 37-38 Table A-8 Wind direction 3 39-41 In 360° Wind speed 3 42-44 In 0.1 m/sec Wind QC 2 45-46 Table A-8 Precipitation amount 4 47-50 In 0.1 mm Precipitation indicator 1 51-51 Table A-6 Reserved 3 52-54 Visibility 3 55-57 In 0.1 km Radiation 4 58-61 In 0.1 cal/cm2 Current weather code 1 62-62 Table A-9 Cloud amount 2 63-64 In 0.1 unit Cloud base height 5 65-69 In meters
Ships Only:
Sea surface temperature 4 70-73 0.1 °C Heading dir. of ship 3 74-76 3600 COG (course of ground) 3 77-79 360° SOG (speed of ground) 3 80-82 0.1 m/s Obs. wind dir. 3 83-85 3600 Obs. wind speed 3 86-88 0.1 m/s Wave dir. 3 89-91 3600 Wave height 3 92-94 0.1 M Low cloud type 1 95 WMO code Low cloud amount 1 96 1/8 Medium high cloud type 1 97 WMO code Medium high cloud amount 1 98 1/8 High cloud type 1 99 WMO code High cloud amount 1 100 1/8
9 2.2 Mesonet IOP/SOP High Resolution Upper-Air Sounding Data
This important dataset contains the sounding observations from the 9 land-based rawinsonde stations and the 3 ship stations. The location of the 12 rawinsonde and 10 pibal stations are shown in Fig. 2.3 and Fig. 2.4, respectively (see Tables B-3 and B-4 for the station list). The average station separation is about 150 km. In this dataset, all soundings were interpolated from the mandatory and significant levels to a high resolution format. The high resolution data wereat 50 meter increments from the surface to 3000 meters and at 150 meter increments above 3000 meters. Due to the resolution in most sounding instruments, only 5 stations actually recorded with high resolution data (close to 30 meter resolution). Of these stations, two were land- based (Penchiao and Hualien) and three were aboard ships (Ocean Research I, Navy Ship and Fishing Trainer I). The other 7 stations recorded mandatory and significant level data which were then interpolated to the high resolution format. Table 2.1 lists the routine sounding launch schedule (from Kuo and Chen, 1990). Table 2.3 Schedule for Sounding Launches
Station Frequency
Conventional Stations Tungsha Island Released every 12 h for routine operations, Lutao every 6 h during SOP (15 May - 15 June), Tung-Kang and every 3 h during lOPs Makung Penchiao
Shipboard Stations Ocean Research I Released every 6 h during SOP and every 3 h Navy Ship during IOPs Fishing Trainer I
Supplemental Stations Pengchia-Yu Released every 6 h during SOP and every 3 h Hualien during lOPs Taichung National Taiwan University Released every 6 h during lOPs
10 Fig. 2.3 TAMEX Upper-Air Rawinsonde Station Locations
11 Fig. 2.4 TAMEX Pibal Station Locations
12 2.2.1 IOP High Resolution Upper-Air Data Format
The first 4 characters of the header record for sounding and pibal data is 'OOBZ'. The header record format is the same as the surface data. If the contents of indicator (i.e., Column 1) is "T", that means time was recorded in Column 2-6 instead of pressure. Table 2.4 IOP/SOP High Resolution Upper-Air Data Record
Number of Position Parameter Characters Number Remarks (Column)
Indicator 1 1-1 blank or "T" Pressure /time value 5 2-6 in 0.1 mb or 0.1 minute Height-QC /pressure-QC 2 7-8 Table A-8 Height 5 9-13 in GPM or meter Type of level 2 14-15 Table A-7 Temperature value 4 16-19 in 0.1 °C Temperature-QC 2 20-21 Table A-8 Relative humidity 3 22-24 in % Dew point temperature 4 25-28 in 0.1 °C Dew point temperature-QC 2 29-30 Table A-8 Wind direction 3 31-33 in 3600 Wind speed 3 34-36 in 0.1 m/sec Wind-QC 2 37-38 Table A-8 Not used 2 39-40 blanks Not used 40 41-80 blanks
* Note : the height of the pibal data were measured from the station level. * QC : Quality Control
2.3 IOP Data in First GARP Global Experiment (FGGE) Format Within the TAMEX Data Area (20o-29 0 N, 114-130° E)
These are surface and upper-air observations routinely reported in the TAMEX area during May and June 1987. This dataset is often referred to as the "Quick-look Dataset" and is limited to IOPs only.
13 2.3.1 IOP Data Listing in FGGE Format Table 2.5 FGGE Data Listing Date (UTC)
From To
870512 2000 870514 1930 870515 2000 870517 1930 870520 2000 870523 1930 870526 2000 870528 1930 870532 1000 870602 1930 870604 2000 870609 1930 870614 2000 870617 1930 870619 2000 870621 1930 870622 2000 870625 1930
2.3.2 FGGE Data Format
Table 2.6 FGGE Data Header Record
Number of Position Units Parameter Characters Number Remarks
Report identification flag 1 1 Unique character * Data source index 2 2- 3 Table A-3 Block and station index 5 4- 8 Elevation 4 9-12 meters Latitude 5 13-17 deg. and +: North hundreds -: South Longitude 5 18-22 deg. and From 0.00 to 359.99 hundreds always positive Instrument type 2 23-24 Table A-4 Year 2 25-26 87, 1987 Month 2 27-28 01-12, Jan. to Dec. Day 2 29-30 01-31 Hour 2 31-32 00-23 UTC Minutes 2 33-34 00-59 Number of logical record 3 35-37 Variable number
14 Table 2.7 FGGE Upper-Air Data Record
Number of Position Units Parameter Characters Number Remarks
Type of level 2 1-2 Table A-7 Pressure 5 3-7 0.1 mb Height 5 8-12 gpm +: above sea-level -: below sea-level Height QC 2 13-14 Table A-8 Temperature 4 15-18 0.1 °C Temperature QC 2 19-20 Table A-8 Dew-point depression 4 21-24 0.1 °C Dew-point depression QC 2 25-26 Table A-8 Wind direction 3 27-29 degree Wind Speed 3 30-32 m/s Wind QC 2 33-34 Table A-8 Record number 3 35-37
Table 2.8 FGGE Surface Data Record
Total cloud amount 2 1-2 In 0.1 unit Wind direction 3 3-5 degree Variable wind dir. given as 990 Wind speed 3 6-8 m/s Wind QC 1 9 Table A-8 Horizontal visibility 2 10-11 Present weather 2 12-13 Past weather 2 14-15 Pressure code indicator 1 16 Table A-6 Sea-level pressure/ 0.1 mb or gpm station pressure/height Pressure or height QC 1 22 Table A-8 Air temperature 4 23-26 0.1 °C Air temperature QC 1 27 Table A-8 Low or medium high 2 28-29 cloud amount Low cloud type 2 30-31 WMO code Cloud base height 2 32-33 meter Medium high cloud type 2 34-35 WMO code High cloud type 2 36-37 WMO code
15 2.4 Minisonde Data The MINISONDE, commercially known as AIRSONDE, is a mobile sounding system which was used at numerous sites during TAMEX. It served as a "backup" or as a "benchmark" to check sounding equipment at some sites. There are total of 37 minisonde releases during the field program. 2.4.1 Minisonde Data Listing Tungkang (elevation: 3m) 12 May 1200, 13 May 0000 National Central University (elevation: 134m) 16 May 0600, 1200, 1500, 1800, 17 May 0000 21 May 0600, 1200, 1800 22 May 0000, 0600, 1200, 1800 23 May 0000 26 May 0000, 0300, 0600, 1200, 1800 07 June 1200, 1500, 1800, 2100 08 June 0000, 0300, 0600, 1200 Penchiao (elevation: 11m) 02 June 0600, 0900 Ocean Research I (elevation: 3m) 17 June 1200, north of Makung (Penghu Island) 17 June 1500, 23'18'N, 119'56'E 17 June 1800, 22'57'N, 120'03'E 17 June 2100, 22'36'N, 120'34'E 18 June 0000, 0300 23'32'N, 120'15'E (Kaohsiung Harbor) Tainan Aerodrome (elevation: 16m) 19 June 2100 20 June 0000, 0300, 0600, 0900, 1200, 1500 23 June 2100 24 June 0000, 0300, 0600, 0900, 1200 Comments about some of the above soundings: 13 May 0600Z: Tungkang, poor data quality 16 May 1500, 1800: NCU, heavy rain and lightning, balloon up and down 22 May 1200: NCU, insufficient lift in balloon 26 May 0300: NCU, bad data quality 02 June 0600: Penchiao, noisy radiosonde due to thunderstorm 02 June 0900: Penchiao, intense interference(thunderstorm) 08 June 1200: NCU, insufficient lift, no data above 930mb 17 June 1200: Kaoshiung harbor, poor data quality 20 June 0600: Tainan, power glitch-most data missing 20 June 1200: Tainan, data went totally crazy! 24 June 0300: Tainan, power glitch
16 2.4.2 Minisonde Data Format The minisonde soundings are stored in individual files. The format is listed below. Table 2.9 Minisonde Data Header Record
Number of Position Parameter Characters Number Remarks
Date 9 1-9 mddhhmms Station name 3 10-12
Minisonde Data Record (FORTRAN Format 10F6.1) A(1) : Pressure (MB) A(2) : Dry bulb Temperature (°C) A(3) : Wet bulb Temperature (°C) A(4) : Mixing ratio (g/Kg) A(5): Relative Humidity (%) A(6) : Virtual Temperature (K) A(7): Potential Temperature (K) A(8): Virtual potential Temperature (K) A(9): Specific humidity (g/Kg) A(10) Geopotential height (M)
2.5 Aircraft P-3 Dropwindsonde Data There are 17 soundings available in this dataset along with a file that contains comments about the soundings. The soundings were processed by the Mesoscale Research Division of the National Oceanic Atmospheric Administration (NOAA). All soundings are stored together in a single MASS STORE file. The P-3 drop- windsondes were usually released at the 500 mb pressure level and descended to the surface. Meteorological data were recorded at every 10 mb.
17 2.5.1 P-3 Dropwindsonde Data Listing
Table 2.10 Dropwindsonde Data Listing
Date (UTC) Latitude (N) Longitude (E) ymd hms deg. deg.
870513 185240 25.6 123.6 870513 191611 27.0 112.4 870513 222820 23.6 122.1 870516 143159 26.1 123.5 870516 150011 26.0 121.5 870521 131106 26.3 123.6 870521 133316 26.3 121.8 870522 142821 26.3 123.6 870522 144616 25.7 122.5 870522 202408 24.8 123.6 870601 130956 26.3 123.7 870601 133522 26.3 121.6 870605 135423 25.0 123.3 870605 140754 23.9 123.3 870605 141014 23.7 123.3 870605 142040 23.0 123.2 870605 144247 24.0 122.1
18 2.5.2 P-3 Dropwindsonde Data Format Table 2.11 P-3 Dropwindsonde Data Header Record
Number of Position Parameter Characters Number Remarks
Sonde serial number 7 1-7 Date 8 8-15 yymmdd Time of launch 7 16-22 hhmmss UTC Latitude 7 23-29 deg. N positive, in 1/10 deg. Longitude 7 30-36 deg. E positive, in 1/10 deg. Flight-level pressure 7 37-43 in 0.1 mb at launch Flight-level altitude 7 44-50 in meter at launch Flight-level wind 7 51-57 in 0.1 m/s speed at launch Flight-level wind dir 7 58-64 in deg. at launch Number of data 5 65-69 records for this sonde
Table 2.12 P-3 Dropwindsonde Data Record (10 mb interval)
Pressure 7 1-7 in 0.1 mb Temperature 7 8-15 in 0.1 °C Relative humidity 7 16-22 in 0.1 % Geopotential height 7 23-29 in meter Wind direction 7 30-36 in deg. Wind speed 7 37-43 in m/s Wind uncertainty 7 44-50 in 0.1 m/s
2.6 VHF Radar Wind Profiler Data
The wind profiler was located at the National Central University and the data were processed by NCU. Wind data were collected between 2.3 to 10.6 km height with vertical resolution of about 300 m. Due to the equipment problems, data collected before 15 June, 1987 either had a large gap or were missing. The original data were reformated by the U.S. TAMEX Data Center for easy access. Twenty five MASS STORE files were generated (see appendix C). The NCU VHF radar was operated at 52 MHz frequency range. Three components of the winds were measured on a nearly continuous basis. The time interval between each profile (from gate 1 to 30) is either 6.3 or 3.2 minutes. Radar
19 echoes that are received at equally-spaced heights are referred to as range gates (by measuring the returned signals at equally-spaced times). The vertical resolution of the profiler corresponds to a range of heights which echoes were received at any range gate. Detail specifications of the NCU VHF radar are described in the Doppler Radar Operations Summary (Parsons and Trier 1989).
2.6.1 Profiler Wind Data Listing Table 2.13 Profiler Data Listing
Source Date Time No. of Time Vertical Gate Range tape no. profiles interval resolution heights gates (LST) min meter km
534 06/15/87 13:50-18:55 49 6.3 300 2.3-10.3 1-30 535 06/16/87 19:16-00:21 49 '2 n I22 539 06/16/87 15:35-20:34 45 22 540 06/16/87 20:49-01:28 45 22 541 06/17/87 01:44-06:23 45 '2 542 06/17/87 06:37-08:31 19 22 544 06/17/87 14:09-18:49 45 22 545 06/17/87 19:06-23:45 45 '2 546 06/18/87 00:23-04:50 43 22 In 547 06/18/87 05:51-10:31 45 '2 550 06/20/87 13:08-17:48 45 22 7'n 551 06/20/87 18:00-22:39 45 '2 '2 552 06/20/87 22:55-03:34 45 22 22 555A 06/23/87 20:31-22:38 21 '2 72 555B 06/23/87 22:59-01:52 28 '2 '2 556 06/24/87 02:14-06:52 45 '2 '2 557 06/24/87 07:28-09:41 22 22 '2 558A 06/24/87 13:36-13:55 04 '2 22 558B 06/24/87 14:06-16:51 27 '2 72 561 06/25/87 16:45-21:54 49 '2 '2 563 06/27/87 15:01-20:17 99 3.2 '2 564 06/27/87 20:29-01:28 95 '2 22 565 06/28/87 01:40-06:39 95 '2 '2 566 06/28/87 06:57-11:56 95 22 22 567 06/28/87 12:07-17:06 95 '2 '2
20 2.6.2 Profiler Wind Data Format
Table 2.14 Profiler Data Header Record
Number of Position Parameter Characters Number Remarks (Column)
Data source indicator 2 1-2 Table A-3 Source tape no. 4 3-8 see 2.6.1 Station name 3 9-11 NCU Station latitude 4 12-15 in 0.01 degree Station longitude 5 17-21 in 0.01 degree Station elevation 4 23-26 in 0.1 m Date 12 27-38 yymmddhhmmss
Table 2.15 Profiler Data Record
Number of Position Parameter Characters Number Remarks (Column)
Gate no. 2 1-2 from 1 to 30 Height of the gate 5 3-8 in m Wind speed 4 9-12 in 0.1 m/s Wind direction 4 13-16 in degree Vertical wind speed 6 17-22 in 0.01 m/s
21 2.7 Central Weather Bureau (CWB) and Taiwan Power Company (TPC) hourly or 3-Hourly Surface Data
There are total of 85 stations in this dataset. These include 25 CWB meteoro- logical, 6 CWB rainfall, and 54 TPC rainfal stations. The data were collected from April to June 1987. Fig. 1.1 shows the location of the CWB stations (see Table B-5 for the station list). The Central Weather Bureau (CWB) meteorological stations recorded station pressure, temperature, relative humidity, precipitation, wet-bulb temperature, dew point temperature, wind speed and direction, cloud amount, and visibility. The observation time is either hourly or 3 hourly.
2.7.1 CWB and TPC Surface Data Format
22 Table 2.16 CWB and TPC Surface Data Record
Number of Position Units of Parameter Characters Number Remarks Measure
Station no. 5 1-5 Year 4 6-9 1987 Month 2 10-11 01-12 = Jan.-Dec. Data item code 4 12-15 A172 station pressure 0.1 mb A282 temperature 0.1 °C A432 relative humidity % A691 precipitation 0.1 mm C232 wet bulb temp. 0.1 °C C322 dew point temp. 0.1 °C C466 wind speed and direction 16 Dir. B562 cloud amount 1/10 B482 visibility 0.1 km Observation times 2 16-17 08 or 24 times Starting time 2 18-19 01-24 hour (local time) 1:00 or 2:00 Time period 1 20-20 Table A-6 C = 3 hourly S = standard hourly Data 744 x 6 21-4484 8 x 3 x 31, 6 bytes per word data Reserved 156 4485-4640 Not used 144 4485-4628 24 x 6, 6 bytes per word data for heading of 24 positions Other descriptions 12 4629-4640 not used
For example : If observations are made every three hours (observation time: 2, 5, 8, 11, 14, 17, 20, 23), then data sequence is as follows: Month: April May June Date: 1-30 1-31 1-30 Data no. : 1-240 249-496 497-736 (word) From -9990 to 32765 = valid data -9995 = trouble -9996 = reference -9997 = unknown -9998 = trace -13110 or -9999 = none
23 2.8 TAMEX Daily Average and Extreme Values Surface Data
Data from 25 CWB stations and 776 stations from other organizations provided the data for this dataset. The 801 stations are listed in Table B-6. This data set contains twelve month data of 1987. The daily rainfall were measured at 12 p.m. for station number start with a "4' and at 9 a.m. for other stations.
2.8.1 Daily Average and Extreme Values Surface Data Item Code
Table 2.17 Surface Data Item Code
Code Action Remarks Unit
A17 2 ave pressure at station 0.1 mb A21 3 max maximum pressure at station 0.1 mb A25 4 min minimum pressure at station 0.1 mb A28 2 ave temperature 0.1 °C A31 3 max absolute maximum temperature 0.1 °C A34 4 min absolute minimum temperature 0.1 °C A42 4 min minimum relative humidity percentage A43 2 ave relative humidity percentage A46 6 ave pre. wind dir and mean wind speed 16 dir and 0.1 m/s A49 5 max instantaneous wind dir. and speed 16 dir and 0.1 m/s A54 5 max maximum wind direction and speed 16 dir and 0.1 m/s A65 1 tot evaporation in the opening 0.1 mm A69 1 tot precipitation 0.1 mm A72 1 tot hours with precipitation > 0.1 mm 0.1 hr A76 3 max maximum precipitation in one hour 0.1 mm A79 3 max maximum precipitation in 10 minutes 0.1 mm B48 2 ave visibility 0.1 km B51 1 tot sunshine duration 0.1 hr B56 2 ave mean cloud cover 0.1 No. 10 C23 2 ave wet bulb temperature 0.1 °C C32 2 ave dew point temperature 0.1 °C C41 6 ave wind (10-minute) 16 dir and 0.1 m/s
24 2.8.2 Daily Average and Extreme Values Surface Data Format
Table 2.18 Surface Data Record
Number of Position Parameter Characters Number Remarks
Station number 5 1-5 see Table B-6 Year 4 6-9 1987 Special key 2 10-11 "**,, Data item code 4 12-15 Section 2.8.1 Reserved 5 16-20 Blank, not used Data I2304 21-2324 32 X 12 6-byte word data each month contains 32 6-byte word Reserved 36 2325-2360 Blank,not used The meaning of data contents: -9990 to 32765 = valid data -9995 = trouble -9996 = reference -9997 = unknown -9998 = trace -13110 or -9999 = none
25 2.9 Boundary Layer (Tower) Wind Data
Wind direction and wind speed were measured every 10 minutes from 21 TAMEX tower stations (see Table B-7 for the stations list). Fig. 2.5 shows the location of the 21 tower stations.
Fig. 2.5 TAMEX Tower Station Locations
26 2.9.1 Tower Wind Data Listing
Table 2.19 Tower Wind Data Listing
Station Name Remarks Type of Sensor#
HUALIEN 46699 1987/5/ 1-6/30 1 PENG-HU 46735 5/ 1-6/30 1 CHIA-YI 46748 5/ 1-6/30 3 HENG-CHUN 46759 5/ 1-6/30 1 YUAN-AN TXC01 5/ 1-6/20 1 TAN-SHUI TXA02 5/ 8-6/30 1 KUAN-HSI TXD04 5/ 1-6/30 1 CHU-NAN TXE05 6/ 3-6/30 1 I-LAN TXU07 @5/ 1-6/18 2 LI-TOU-SHAN TXD08 6/15-6/30 1 TUNT-SHIH TXL09 5/ 1-6/30 2 MAI-LIAO TXJ10 5/ 1-6/30 2 FANG-LIAO TXQ11 5/ 1-6/30 2 SHOU-CHIA TXQ12 5/ 1-6/30 2 HSUEH-CHIA TXN13 5/ 1-6/30 2 HSI-HU TXG14 5/ 1-6/30 2 TUNG-HSIAO TXE15 * 5/ 1-6/30 2 KEE-LUNG TXB16 5/ 1-6/15 2 CHING-CHING TXH17 $ 5/ 1-6/30 1 JUI-SUI TXT18 5/ 1-6/30 2 PA-LING TXC20 5/ 1-6/30 2
0 Missing 5/19-5/30, * Missing 5/29-6/16, $ Missing 5/18-6/11 # Sensors type 1. Wind direction: Potentiometer, accuracy 1 D, threshold, 0.5 MPH Wind speed: DC generator, accuracy 0.15 MPH, threshold, 0.5 MPH 2. Wind direction: Potentiometer, accuracy 5 D, threshold, 1.0 MPH Wind speed: Switch contact, accuracy 0.25 MPH, threshold, 1.0 MPH 3. Wind direction: Potentiometer, accuracy 1 D, threshold, 0.5 MPH Wind speed: Photoelectric, accuracy 0.15 MPH, threshold, 0.5 MPH
27 2.9.2 Tower Wind Data Format Table 2.20 Tower Wind Data Header Record
Number of Position Parameter Characters Number Remarks
Form no. 3 1-3 Table A-1 Time system id. 1 4-4 Table A-2 Observation indicator 2 5-6 Table A-3 Instrument type id. 2 7-8 Table A-4 91 : Sensor type 1 92: Sensor type 2 93: Sensor type 3 Station no. 5 9-13 station list Elevation (ground/deck) 5 14-18 in 0.1 meter Latitude 5 19-23 in 0.01 deg. For example :2382N means 23.82N degree Longitude 6 24-29 in 0.01 deg. For example :12067E Synoptic date 2*3 30-35 Year, Month, Day Synoptic time 4 36-39 EX : '1500' Release time 4 40-43 EX: '1445' Tower height (for tower 4 44-47 in 0.1 meter stations) or Barometer elev. (for sfc. stations) Remarks 10 48-57 Synoptic weather code (for upper-air station) (NLHMCwwapp) Not used 23 58-80 Remarks EX: number of levels to follow
Table 2.21 Tower Wind Data Record
Date 4 1-4 month and day (mmdd) Time 6 5-10 hour, minutes and second (hhmmss) Wind direction 3 11-12 in degree Wind speed 3 13-15 in 0.1 m/s
28 2.10 Aircraft (P-3) Meteorological Data This Table lists the meteorological data collected at flight level during the ten P-3 TAMEX missions. There are 10 individual files in MASS STORE and the data frequency is one second. The Taiwan Area Mesoscale Experiment: P-3 Aircraft Operations Summary (Jorgensen and LeMone, 1988) provides a detailed description of all the P-3 missions. 2.10.1 P-3 Meteorological Data Listing Table 2.22 P-3 Data Listing
Seq Observation No. Period (UTC)
1 May 13 17:38- May 14 -00:08 2 16 13:01-21:46 3 21 12:01-22:18 4 22 13:22-21:25 5 June 1 12:10-19:27 6 5 11:45-19:19 7 15 09:02-17:47 8 16 12:05-19:59 9 17 11:04-18:46 10 20 03:36-12:15
2.10.2 P-3 Meteorological Data Format
Each data record consists of 1 second of flight data. The format of the data records is as follows:
Table 2.23 P3 Data Record
FORTRAN Position Parameter Format Number
Flight number (Date yymmdd) I6 1- 6 Time (HrMnSc in UTC) 312 7-12 Latitude (deg) F7.3 13-19 Longitude (deg) F8.3 20-27 Temperature (°C) from prob. 1 F5.1 28-32 Temperature (°C) from prob. 2 F5.1 33-37 Dew point (°C) F5.1 38-42 Side-look radiometer (°C) F5.1 43-47 Vertical wind (m/s) F5.1 48-52
29 FORTRAN Position Parameter Format Number
J-W cloud water (g cm- 3 ) F5.1 53-57 Wind direction (deg) F5.1 58-62 Wind speed (m/s) F5.1 63-67 Static pressure (mb) F7.1 68- 74 Radar altitude (m) F7.0 75- 81 Pressure altitude (m) F7.0 82- 88 Track (deg) F6.1 89- 94 Heading (deg) F6.1 95-100 Downward radiometer (°C) F6.1 101-106 Pitch angle (deg) F6.1 107-112 Roll angle (deg) F6.1 113-118 Attack angle (deg) F6.1 119-124 Sideslip angle (deg) F6.1 125-130 Ground speed (m/s) F6.1 131-136 True air speed (m/s) F6.1 137-142
2.11 WMO Weather Coded Data in the TAMEX Data Area
The World Meteorological Organization (WMO) coded meteorological data from 1 May to 30 June, 1987, were collected in the area of 20-29° N and 114-130° E. These data were received by the telecommunication systems at CWB. Two type of formats are available from the Taiwan TAMEX Data Center. Format 9061A is the telecommunication primary code data. Format 9061B is the sorted telecommunication code data. Form 9061B data is archived in NCAR MASS STORE as a single file.
30 2.11.1 WMO Coded Data Format
Sorted telecommunication code data. Data stored by time sequence (1 Record = max. 800 bytes)
Table 2.24 WMO Data Record
Number of Position Parameter Characters Number Remarks
Identified code 5 1-5 AAXX, BBXX, TTAA, TTBB , PPAA, ... ETC. Not used 1 6-6 Blank Year 2 7-8 87=1987 Month 2 9-10 01-12 = Jan.-Dec. Not used 1 11-11 Blank Day 2 12-13 Date Hour 2 14-15 Time-hour (UT) Minute 2 16-17 Minute Not used 1 18-18 Blank Data (WMO code) As long as needed End-mark of record after last character use HEX "80" or "OA" or "FF" as the end mark. "80" = end of record "OA" = line feed "FF" = end of file
2.12 Conventional Radar Data
The conventional radar characteristics are described in the Taiwan Area Mesoacale Experiment: Doppler Radar Operations Summary (Parsons and Trier 1989). Hualien and Kaohsiung are the only two conventional radars that recorded digital data . The other three radars provided pictorial data which is available from the albums in the U.S. TAMEX Data Center. Fig. 2.6 shows the location of the 5 conventional radar sites (see Table B-8 for the stations list). There are two files of digital radar imagery in this data set. The first file is the Hualien radar station data. The second file is the Kaohsiung radar station data. Each observation may have 1 (Column Vector Intensity Value (CVIV)) , or 4 (CVIV, 3km, 7km, and 11km height), or 7 (CVIV, 1, 3, 5, 7, 9, and 11km height) levels data.
31 If
I
I
Fig. 2.6 TAMEX Conventional Radar Network (circles indicate the maximum range of each radar) [From Cunning 1988]
32 2.12.1 Conventional Radar Data Listing
HUALIEN RADAR
Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
1 5 13 18:00 7 933 5 21 18:00 7 1787 6 8 00:40 4 8 5 13 19:00 7 940 5 21 19:00 7 1791 6 8 01:00 6 15 5 13 20:00 6 947 5 21 20:00 7 1797 6 8 01:30 7 21 5 13 21:00 7 954 5 21 21:00 7 1804 6 8 02:00 7 28 5 13 21:30 7 961 5 21 22:00 7 1811 6 8 02:30 7 35 5 13 22:00 7 968 5 21 23:00 7 1818 6 8 03:00 7 42 5 13 22:30 7 975 5 22 00:00 7 1825 6 8 03:30 7 49 5 13 23:00 7 982 5 22 01:00 7 1832 6 8 04:00 7 56 5 13 23:30 7 989 5 22 02:00 7 1839 6 8 05:00 7 63 5 14 00:00 7 996 5 22 02:30 7 1846 6 8 06:00 7 70 5 14 01:00 7 1003 5 22 03:00 7 1853 6 8 07:00 7 77 5 14 02:00 7 1010 5 22 03:30 7 1860 6 8 08:00 7 84 5 16 14:00 7 1017 5 22 04:00 7 1867 6 8 09:00 7 91 5 16 15:00 7 1024 5 22 04:30 7 1874 6 8 10:00 7 98 5 16 16:00 7 1031 5 22 05:00 7 1881 6 8 11:00 7 105 5 16 17:00 7 1038 5 22 05:30 7 1888 6 8 12:00 7 112 5 16 18:00 7 1045 5 22 06:00 7 1895 6 8 13:00 7 119 5 16 19:00 7 1052 5 22 07:00 7 1902 6 8 14:00 7 126 5 16 20:00 8 1059 5 22 08:00 7 1909 6 8 15:00 7 141 5 16 22:00 7 1073 5 22 10:00 7 1923 6 8 17:00 7 148 5 16 22:30 7 1080 5 22 11:00 7 1930 6 8 18:00 7 155 5 16 23:00 7 1087 5 22 12:00 7 1937 6 8 19:00 7 162 5 16 23:30 7 1094 5 22 13:00 7 1944 6 8 20:00 7 169 5 17 00:00 7 1101 5 22 14:00 7 1951 6 8 21:00 7 176 5 17 00:30 7 1108 5 22 15:00 7 1958 6 8 22:00 7 183 5 17 01:00 7 1115 5 22 16:00 7 1965 6 8 23:00 7 190 5 17 01:30 7 1122 5 22 17:00 7 1972 6 9 00:00 7 197 5 17 02:00 7 1129 5 22 18:00 7 1979 6 9 01:00 7 204 5 17 02:30 6 1136 5 22 19:00 7 1986 6 9 02:00 7 134 5 16 21:00 7 1066 5 22 09:00 7 1916 6 8 16:00 7 210 5 17 03:00 4 1143 5 22 20:00 7 1993 6 9 03:00 7 214 5 17 03:20 4 1150 5 22 21:00 7 2000 6 9 04:00 7 218 5 17 03:40 4 1157 5 22 22:00 7 2007 6 9 05:00 7 222 5 17 04:00 4 1164 5 22 23:00 7 2014 6 9 06:00 7 226 5 17 04:20 4 1171 5 23 00:00 7 2021 6 9 07:00 7
33 Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
230 5 17 04:40 4 1178 5 23 01:00 7 2028 6 9 08:00 7 234 5 17 05:00 7 1185 5 23 02:00 7 2035 6 9 09:00 1 241 5 17 05:30 7 1192 5 23 03:00 1 2036 6 9 10:00 1 248 5 17 06:00 7 1193 5 27 18:00 7 2037 6 9 11:00 2 255 5 17 06:30 7 1200 5 27 19:00 7 2039 6 9 12:00 1 262 5 17 18:00 7 1207 5 27 19:30 7 2040 6 15 11:00 7 269 5 17 19:00 7 1214 5 27 20:00 7 2047 6 15 12:00 7 276 5 17 20:00 7 1221 5 27 21:00 7 2054 6 15 13:00 7 283 5 17 21:00 7 1228 5 27 22:00 7 2061 6 15 14:00 7 290 5 17 22:00 7 1235 5 27 22:30 7 2068 6 15 15:00 7 297 5 17 23:00 7 1242 5 27 23:00 7 2075 6 15 17:00 7 304 5 18 00:00 7 1249 5 27 23:30 7 2082 6 15 18:00 7 311 5 18 01:00 7 1256 5 28 00:00 7 2089 6 15 19:00 7 318 5 18 02:00 7 1263 5 28 01:00 6 2096 6 15 19:30 7 325 5 18 03:00 7 1269 5 28 02:00 7 2103 6 15 20:00 7 332 5 18 04:00 7 1276 5 28 03:00 7 2110 6 15 20:30 7 339 5 18 05:00 7 1283 5 28 04:00 7 2117 6 15 21:00 7 346 5 18 06:00 7 1290 5 28 05:00 7 2124 6 15 21:30 7 353 5 18 07:00 7 1297 5 28 06:00 7 2131 6 15 22:00 7 360 5 18 08:00 7 1304 5 28 07:00 7 2138 6 15 22:30 7 367 5 18 09:00 7 1311 5 28 08:00 7 2145 6 15 23:00 7 374 5 18 10:00 7 1318 5 28 09:00 7 2152 6 15 23:30 7 381 5 18 11:00 7 1325 6 1 13:00 7 2159 6 16 00:00 7 388 5 18 12:00 7 1332 6 1 14:00 7 2166 6 16 00:30 7 395 5 18 13:00 7 1339 6 1 15:00 7 2173 6 16 01:00 7 402 5 18 14:00 7 1346 6 1 16:00 7 2180 6 16 16:30 7 409 5 18 15:00 7 1353 6 1 17:00 7 2187 6 16 17:00 7 416 5 18 16:00 7 1360 6 1 18:00 7 2194 6 16 17:30 7 423 5 18 17:00 7 1367 6 1 19:00 7 2201 6 16 18:00 7 430 5 18 18:00 7 1374 6 1 20:00 7 2208 6 16 18:30 7 437 5 18 19:00 7 1381 6 1 21:00 7 2215 6 16 19:00 7 444 5 18 20:00 7 1388 6 1 22:00 7 2222 6 16 19:30 7 451 5 18 21:0014 1395 6 1 23:00 7 2229 6 16 20:00 7 465 5 18 22:00 7 1402 6 1 23:30 7 2236 6 16 20:30 1 472 5 18 23:00 7 1409 6 2 00:00 7 2237 6 16 21:00 7 479 5 19 00:00 7 1416 6 2 00:30 7 2244 6 16 21:30 7 486 5 19 01:00 7 1423 6 2 01:00 7 2251 6 16 22:00 7 493 5 19 02:00 7 1430 6 2 01:30 7 2258 6 16 22:30 7 500 5 19 03:00 7 1437 6 2 02:14 1 2265 6 16 23:00 7
34 Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
507 5 19 04:00 7 1438 6 2 02:30 7 2272 6 16 23:30 7 514 5 19 05:00 7 1445 6 2 03:00 7 2279 6 17 00:00 7 521 5 19 06:00 7 1452 6 2 03:30 7 2286 6 17 00:3012 528 5 19 07:00 7 1459 6 2 04:00 7 2298 6 17 01:00 7 535 5 19 08:00 7 1466 6 2 04:30 7 2305 6 17 01:30 7 542 5 19 09:00 7 1473 6 2 05:00 7 2312 6 17 02:00 7 549 5 19 10:00 7 1480 6 2 05:30 7 2319 6 17 02:30 7 556 5 19 11:00 7 1487 6 2 06:00 7 2326 6 17 03:00 7 563 5 19 12:00 7 1494 6 2 06:30 7 2333 6 17 03:30 7 570 5 19 13:00 7 1501 6 2 07:00 7 2340 6 17 04:00 7 577 5 19 14:00 7 1508 6 2 15:30 7 2347 6 17 04:30 7 584 5 19 15:00 7 1515 6 2 16:00 7 2354 6 17 05:00 1 591 5 19 16:00 7 1522 6 2 17:00 7 2355 6 17 05:30 7 598 5 19 17:00 7 1529 6 2 18:00 7 2362 6 17 06:00 7 605 5 19 18:00 7 1536 6 2 19:00 7 2369 6 17 06:30 7 612 5 19 19:00 7 1543 6 2 20:00 7 2376 6 17 07:00 7 619 5 19 20:00 7 1550 6 5 18:00 7 2383 6 17 07:30 7 626 5 19 21:00 4 1557 6 5 18:30 7 2390 6 17 08:00 7 630 5 19 23:00 5 1564 6 5 19:00 7 2397 6 17 14:00 7 635 5 20 00:00 7 1571 6 5 19:30 7 2404 6 17 15:00 7 642 5 20 01:00 6 1578 6 5 20:00 4 2411 6 17 16:00 7 648 5 20 02:00 7 1582 6 5 20:20 4 2418 6 17 16:30 7 655 5 20 02:00 7 1586 6 5 20:40 4 2425 6 17 17:00 7 662 5 20 04:00 7 1590 6 5 21:00 4 2432 6 17 17:30 7 669 5 20 05:00 7 1594 6 5 21:20 4 2439 6 17 18:00 7 676 5 20 06:00 7 1598 6 5 21:40 4 2446 6 17 18:30 7 683 5 20 07:00 7 1602 6 5 22:00 4 2453 6 17 19:00 7 690 5 20 08:00 6 1606 6 5 22:20 4 2460 6 17 19:30 7 696 5 20 09:0014 1610 6 5 22:40 4 2467 6 17 20:00 7 710 5 20 10:00 7 1614 6 5 23:00 4 2474 6 17 20:30 7 717 5 20 11:00 7 1618 6 5 23:20 4 2481 6 17 21:00 7 724 5 20 12:00 7 1622 6 5 23:40 4 2488 6 17 21:30 7 731 5 20 13:00 7 1626 6 6 00:00 4 2495 6 17 22:00 7 738 5 20 14:00 7 1630 6 6 00:20 4 2502 6 17 22:30 7 745 5 20 15:00 7 1634 6 6 00:40 4 2509 6 17 23:00 7 752 5 20 16:00 7 1638 6 6 01:00 7 2516 6 17 23:30 7 759 5 20 17:00 7 1645 6 6 01:30 7 2523 6 18 00:00 7 766 5 20 18:00 7 1652 6 6 02:00 7 2530 6 18 00:30 7
35 Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
773 5 20 19:00 7 1659 6 6 02:30 7 2537 6 18 01:00 7 780 5 20 20:00 7 1666 6 6 03:00 7 2544 6 18 02:00 7 787 5 20 21:00 7 1673 6 6 04:00 7 2551 6 20 05:00 7 794 5 20 22:00 7 1680 6 6 05:00 7 2558 6 20 06:00 7 801 5 20 23:00 7 1687 6 6 06:00 7 2565 6 20 07:00 7 808 5 21 00:00 7 1694 6 6 07:00 7 2572 6 20 08:00 7 815 5 21 01:00 7 1701 6 6 08:00 7 2579 6 20 09:00 7 822 5 21 02:00 7 1708 6 7 17:00 7 2586 6 20 10:00 7 829 5 21 03:00 7 1715 6 7 18:00 7 2593 6 20 11:00 7 836 5 21 04:00 7 1722 6 7 19:00 7 2600 6 20 12:00 7 843 5 21 05:00 7 1729 6 7 19:30 7 2607 6 20 13:00 7 850 5 21 06:00 7 1736 6 7 20:00 7 2614 6 20 14:00 7 857 5 21 07:00 7 1743 6 7 20:30 7 2621 6 20 15:00 7 864 5 21 08:00 7 1750 6 7 21:00 4 2628 6 20 16:00 7 871 5 21 09:00 7 1754 6 7 21:20 4 2635 6 20 17:00 7 878 5 21 10:00 7 1758 6 7 21:40 4 2642 6 20 18:00 7 885 5 21 11:00 7 1762 6 7 22:12 1 2649 6 20 19:00 7 892 5 21 12:00 6 1763 6 7 22:20 4 2656 6 20 20:00 7 898 5 21 13:00 7 1767 6 7 22:40 4 2663 6 20 21:00 7 905 5 21 14:00 7 1771 6 7 23:00 4 2670 6 20 22:00 7 912 5 21 15:00 7 1775 6 7 23:20 4 2677 6 20 23:00 7 919 5 21 16:00 7 1779 6 7 23:40 4 2684 6 21 00:00 7 926 5 21 17:00 7 1783 6 8 00:20 4 2691 6 21 01:00 7
KAOHSIUNG RADAR -- 1 5 13 18:00 7 822 5 22 18:20 4 1544 6 8 16:20 4 8 5 13 19:00 7 826 5 22 18:40 4 1548 6 8 16:40 4 15 5 13 20:00 7 830 5 22 19:00 4 1552 6 8 17:00 4 22 5 13 21:00 7 834 5 22 19:20 1 1556 6 8 17:20 4 29 5 13 21:30 7 835 5 22 19:40 4 1560 6 8 17:40 4 36 5 13 22:00 7 839 5 22 20:00 4 1564 6 8 18:00 4 43 5 13 23:00 7 843 5 22 20:20 4 1568 6 8 18:20 4 50 5 14 00:00 7 847 5 22 20:40 4 1572 6 8 18:40 4 57 5 14 01:00 7 851 5 22 21:00 4 1576 6 8 19:00 4
36 Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
64 5 14 02:00 7 855 5 22 21:20 4 1580 6 8 19:20 4 71 5 14 03:00 7 859 5 22 21:40 4 1584 6 8 19:40 4 78 5 14 04:00 1 863 5 22 22:00 4 1588 6 8 20:00 7 79 5 14 05:00 7 867 5 22 22:20 1 1595 6 8 20:30 7 86 5 14 06:00 7 868 5 22 23:40 4 1602 6 8 21:00 7 93 5 14 07:00 7 872 5 23 00:20 4 1609 6 8 21:30 7 100 5 14 08:00 7 876 5 23 00:40 4 1616 6 8 22:00 7 107 5 16 14:00 7 880 5 23 01:00 4 1623 6 8 23:00 7 114 5 16 15:00 7 884 5 23 01:40 4 1630 6 9 00:00 7 121 5 16 16:00 7 888 5 23 02:00 4 1637 6 9 01:00 7 128 5 16 17:00 7 892 5 23 02:20 4 1644 6 9 02:00 6 135 5 16 18:00 7 896 5 23 02:40 4 1650 6 9 03:00 7 142 5 16 19:00 7 900 5 23 03:00 4 1657 6 9 04:00 7 149 5 16 20:00 7 904 5 23 03:20 4 1664 6 9 05:00 7 156 5 16 20:30 7 908 5 23 03:40 4 1671 6 9 06:00 7 163 5 16 21:00 7 912 5 23 04:00 7 1678 6 9 07:00 7 170 5 16 21:30 7 919 5 27 18:16 7 1685 6 9 08:00 1 177 5 16 22:00 4 926 5 27 19:00 7 1686 6 15 11:00 7 181 5 16 22:20 4 933 5 27 20:00 7 1693 6 15 12:00 7 185 5 16 22:40 4 940 5 27 21:00 7 1700 6 15 13:00 7 189 5 16 23:00 4 947 5 27 22:00 7 1707 6 15 14:00 7 193 5 16 23:20 4 954 5 27 23:00 7 1714 6 15 15:00 7 197 5 16 23:40 4 961 5 28 00:00 7 1721 6 15 16:00 7 201 5 17 00:00 4 968 5 28 01:00 7 1728 6 15 17:00 7 205 5 17 00:20 4 975 5 28 02:00 7 1735 6 15 18:00 7 209 5 17 00:40 4 982 5 28 03:00 7 1742 6 15 19:00 7 213 5 17 01:00 4 989 5 28 04:00 7 1749 6 15 20:00 7 217 5 17 01:20 4 996 5 28 05:00 1 1756 6 15 21:00 7 221 5 17 01:40 4 997 5 28 06:00 7 1763 6 15 22:00 7 225 5 17 02:00 7 1004 5 28 07:00 7 1770 6 15 23:00 7 232 5 17 02:30 7 1011 5 28 08:00 6 1777 6 18 00:43 1 239 5 17 03:00 7 1017 6 1 15:00 7 1778 6 16 01:00 1 246 5 17 03:30 7 1024 6 1 16:00 7 1779 6 16 02:00 1 253 5 17 04:00 7 1031 6 1 17:00 7 1780 6 16 03:00 1 260 5 17 04:30 7 1038 6 1 18:00 7 1781 6 16 04:00 1 267 5 17 05:00 7 1045 6 1 19:00 7 1782 6 16 05:00 1 274 5 17 05:30 7 1052 6 1 20:00 7 1783 6 16 06:00 1 281 5 17 06:00 7 1059 6 1 21:00 7 1784 6 16 07:00 1
37 Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d timeno. SQm d time no. SQ mdtimeno.
288 5 17 06:30 7 1066 6 1 22:00 7 1785 6 16 08:00 1 295 5 17 07:00 7 1073 6 1 23:00 7 1786 6 16 09:00 1 302 5 17 07:30 7 1080 6 1 23:30 1 1787 6 16 16:00 6 309 5 17 08:00 4 1081 6 2 00:0014 1793 6 16 17:00 7 313 5 17 08:20 4 1095 6 2 01:00 7 1800 6 16 17:30 7 317 5 17 08:40 4 1102 6 2 01:30 1 1807 6 16 18:00 7 321 5 17 09:00 4 1103 6 2 02:00 7 1814 6 16 18:30 7 325 5 17 09:20 4 1110 6 2 02:30 7 1821 6 16 19:00 7 329 5 17 09:40 4 1117 6 2 03:00 7 1828 6 16 19:30 7 333 5 17 10:00 4 1124 6 2 03:30 7 1835 6 16 20:00 7 337 5 17 10:20 4 1131 6 2 04:00 7 1842 6 16 20:30 7 341 5 17 10:40 4 1138 6 2 04:30 7 1849 6 16 21:00 7 345 5 17 11:00 4 1145 6 2 05:00 7 1856 6 16 21:30 7 349 5 17 12:00 7 1152 6 2 05:30 7 1863 6 16 22:00 7 356'5 17 13:00 7 1159 6 2 06:00 7 1870 6 16 22:30 7 363 5 17 14:00 7 1166 6 2 07:00 7 1877 6 16 23:00 7 370 5 17 15:00 7 1173 6 5 20:30 7 1884 6 16 23:30 7 377 5 17 16:0013 1180 6 5 21:00 7 1891 6 17 00:00 7 390 5 17 17:00 7 1187 6 5 21:30 1 1898 6 17 00:30 7 397 5 17 18:00 7 1188 6 5 22:00 7 1905 6 17 01:00 7 404 5 17 19:00 7 1195 6 5 22:30 1 1912 6 17 01:30 7 411 5 17 20:00 7 1196 6 5 23:00 7 1919 6 17 02:00 7 418 5 17 21:00 7 1203 6 5 23:30 1 1926 6 17 02:30 7 425 5 17 22:00 7 1204 6 6 00:00 7 1933 6 17 03:00 7 432 5 17 23:00 7 1211 6 6 00:30 1 1940 6 17 03:30 7 439 5 18 00:00 7 1212 6 6 01:00 7 1947 6 17 04:00 7 446 5 18 01:00 7 1219 6 6 01:30 7 1954 6 17 04:30 7 453 5 18 02:00 7 1226 6 6 02:00 7 1961 6 17 05:00 7 460 5 18 03:00 7 1233 6 6 02:30 7 1968 6 17 06:30 7 467 5 18 04:00 7 1240 6 6 03:00 7 1975 6 17 07:00 7 474 5 18 05:00 7 1247 6 6 03:30 7 1982 6 17 07:30 7 481 5 18 06:00 7 1254 6 6 04:00 7 1989 6 17 08:00 7 488 5 18 07:00 7 1261 6 6 04:30 7 1996 6 17 14:00 7 495 5 18 08:00 7 1268 6 6 05:00 7 2003 6 17 15:00 7 502 5 18 09:00 7 1275 6 6 05:30 7 2010 6 17 16:00 7 509 5 18 10:00 7 1282 6 6 06:00 7 2017 6 17 16:30 7 516 5 18 11:00 7 1289 6 6 07:00 7 2024 6 17 17:00 7 523 5 21 14:00 7 1296 6 6 08:00 7 2031 6 17 17:30 7 530 5 21 15:00 7 1303 6 7 17:00 1 2038 6 17 18:00 7
38 Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
537 5 21 16:00 7 1304 6 7 18:00 1 2045 6 17 18:30 7 544 5 21 17:00 7 1305 6 7 19:00 7 2052 6 17 19:00 7 551 5 21 18:00 7 1312 6 7 19:30 7 2059 6 17 19:30 7 558 5 21 19:00 7 1319 6 7 20:00 7 2066 6 17 20:00 7 565 5 21 20:00 7 1326 6 7 20:30 7 2073 6 17 20:30 7 572 5 21 21:00 7 1333 6 7 21:00 7 2080 6 17 21:00 7 579 5 21 22:00 7 1340 6 7 21:30 7 2087 6 17 21:30 7 586 5 21 23:00 7 1347 6 7 22:00 7 2094 6 17 22:00 7 593 5 22 00:00 7 1354 6 7 22:30 7 2101 6 17 22:30 7 600 5 22 01:00 7 1361 6 7 23:00 7 2108 6 17 23:00 7 607 5 22 02:00 7 1368 6 7 23:30 7 2115 6 17 23:30 7 614 5 22 02:30 7 1375 6 8 00:00 7 2122 6 18 00:00 7 621 5 22 03:00 7 1382 6 8 00:30 7 2129 6 18 00:30 7 628 5 22 03:30 7 1389 6 8 01:00 7 2136 6 18 01:00 7 635 5 22 04:00 7 1396 6 8 01:33 7 2143 6 18 02:00 7 642 5 22 04:30 7 1403 6 8 02:00 7 2150 6 20 05:00 7 649 5 22 05:00 7 1410 6 8 03:00 7 2157 6 20 06:00 7 656 5 22 05:30 7 1417 6 8 04:00 7 2164 6 20 07:00 7 663 5 22 06:00 7 1424 6 8 05:01 7 2171 6 20 08:00 7 670 5 22 07:00 7 1431 6 8 07:01 7 2178 6 20 09:00 7 677 5 22 07:30 7 1438 6 8 07:30 7 2185 6 20 10:00 7 684 5 22 08:00 7 1445 6 8 08:00 7 2192 6 20 11:00 7 691 5 22 08:30 7 1452 6 8 08:30 7 2199 6 20 12:00 7 698 5 22 09:00 7 1459 6 8 09:00 4 2206 6 20 13:00 1 705 5 22 09:30 7 1463 6 8 09:20 4 2207 6 20 13:30 1 712 5 22 10:00 7 1467 6 8 09:40 4 2208 6 20 14:00 1 719 5 22 10:30 7 1471 6 8 10:00 4 2209 6 20 14:30 1 726 5 22 11:00 7 1475 6 8 10:20 4 2210 6 20 15:00 1 733 5 22 11:30 7 1479 6 8 10:42 1 2211 6 20 15:30 1 740 5 22 12:00 7 1480 6 8 11:00 4 2212 6 20 16:00 1 747 5 22 12:30 7 1484 6 8 11:20 4 2213 6 20 16:30 1 754 5 22 13:00 7 1488 6 8 11:40 4 2214 6 20 17:00 1 761 5 22 13:30 7 1492 6 8 12:00 4 2215 6 20 17:30 1 768 5 22 14:00 7 1496 6 8 12:20 4 2216 6 20 18:00 1 775 5 22 14:30 7 1500 6 8 12:40 4 2217 6 20 18:30 1 782 5 22 15:00 4 1504 6 8 13:00 4 2218 6 20 19:00 1 786 5-22 15:20 4 1508 6 8 13:20 4 2219 6 20 19:40 1 790 5 22 15:40 4 1512 6 8 13:40 4 2220 6 20 20:00 1
39 -
Image Sequence Date (month, day, hr LST) No. of Pictures SQ m d time no. SQ m d time no. SQ m d time no.
794 5 22 16:00 4 1516 6 8 14:00 4 2221 6 20 20:30 1 798 5 22 16:20 4 1520 6 8 14:20 4 2222 6 20 21:00 1 802 5 22 16:40 4 1524 6 8 14:40 4 2223 6 20 21:30 1 806 5 22 17:00 4 1528 6 8 15:00 4 2224 6 20 22:00 1 810 5 22 17:20 4 1532 6 8 15:20 4 2225 6 20 22:30 1 814 5 22 17:40 4 1536 6 8 15:40 4 2226 6 20 23:00 1 818 5 22 18:00 4 1540 6 8 16:00 4 2227 6 20 23:30 1 2.12.2 Conventional Radar Data Format
Both the Hualien and Kaohsiung Stations kept all control parameters and C band video data on magnetic tapes at the site. Each file combines 7 different elevations of observation. For the Hualien Station, the first record is the control parameters (256 bytes) and the second to the 12th records are the video data (8192 bytes/record). The Kaohsiung Station adds two extra bytes before each record. Therefore, the first record length is 258 bytes. The second record from the Kaohsiung radar is the area precipitation data with a record length of 514 bytes. The third to the 13th records are the C band video data (8194 bytes). Record 14 is the side altitude intensity table (7778 bytes), and record 15 is the top altitude intensity table (7238 bytes). Hualien Radar Station
(1) WPS.DT Control parameters for the WMS (binary) Record 01 = 256 bytes (2) CVIV.DT Selected/sorted video data from C band used by the output display generation process (binary) Sequential file Record 02 = 8192 bytes Record 03 = 8192 bytes Record 04 = 8192 bytes Record 05 = 8192 bytes Record 06 = 8192 bytes Record 07 = 8192 bytes Record 08 = 8192 bytes Record 09 = 8192 bytes Record 10 = 8192 bytes Record 11 = 8192 bytes Record 12 = 5632 bytes (3) EOF Record 13 = End of file mark (4) EOF The last file has two EOF marks. Record (14) = End of file mark
40 Kaohsiung Radar Station (The beginning 2 bytes of each record are the sequence) (1) WPS. DT Control parameters for the WMS (binary) Record 01 = 258 bytes (data on 3-258 bytes) (2) SUBC!OUT.BN Hydro subcatchment averages data Specially designed by Kaohsiung Station There are 36 set rainfall data to represent 36 special rainfall area (only 7 sets used in 1986) Record 02 = 514 bytes (3) CVIV.DT Selected/sorted video data from C band used by the output display generation process (binary) (Planar array data ) Sequential file Record 03 = 8194 bytes (first 2 bytes are rec. no.) Record 04 = 8194 bytes Record 05 = 8194 bytes Record 06 = 8194 bytes Record 07 = 8194 bytes Record 08 = 8194 bytes Record 09 = 8194 bytes Record 10 = 8194 bytes Record 11 = 8194 bytes Record 12 = 8194 bytes Record 13 = 5634 bytes (4) SIDE]UZ.DT Side altitude intensity table Record 14 = 7778 bytes (first 2 bytes are rec. no.) 18 pixel x 216 lines x 2 bytes = 7776 bytes (5) TOTALI.DT Top altitude intensity table Record 15 = 7238 bytes (first 2 bytes are rec. no.) 201 pixel x 18 lines x 2 bytes = 7236 bytes (6) EOF End of file mark Record 16 (7) EOF End of file mark Record 17 WPS.DT- Control Parameters (Kaohsiung Radar Station data add 2 bytes seq. no. in the position number)
41 Radar Control Parameters
Position Parameter Number Description
DINCLB 1-2 Noise threshold in half DB'S DTTYNO 3-4 Active set no. of display thresholds (zero rel.) DTTYIN 5-6 Simulator data type flag DTTYLG 7-8 Hydra monitor mode channel number DELFST 9-10 First cone number of volume scan DELLST 11-12 Last cone number of volume scan DINTVL 13-14 Cycle interval time in minutes DCLLOW 15-16 Low end of clutter display alt range DCLHI 17-18 High end of clutter display alt range DROTAT 19-20 Display rotation in degrees modulo 360 DCHAR 21-24 Radar characteristics constant (2wds)- setrain.fr DCUT 25-26 Cut flag. V ==> vertical, H ==> horizontal ZERO ==> normal (not a cut run) DCXMN 27-28 X min for vertical/horizontal cuts DCXMX 29-30 X max for vertical/horizontal cuts DCYMN 31-32 Y min for vertical/horizontal cuts DCYMX 33-34 Y max for vertical/horizontal cuts DUSCALE 35-36 User scale factor DXTBALL 37-38 Current data center X in T-BALL COORDS. //OTTO// DYTBALL 39-40 Current data center Y in T-BALL COORDS. //OTTO// BSITE 41-42 Binary site id (6=GENEVE, 7=ZURICH,ETC) ASITE 43-44 ASCII site id (2 CHAR) ... 'WZ'=ZURICH, 'WG'=GENE ASCDAY 45-46 ASCII day of latest volume scan ASCMON 47-48 ASCII month ASCYR 49-50 ASCII year ASCHOUR 51-52 ASCII hour ASCMN10 53-54 ASCII minutes plus 10 DLVL1 55-56 Color level 1 in half DB'S DLVL2 57-58 Color level 2 DLVL3 59-60 Color level 3 DLVL4 61-62 Color level 4 DLVL5 63-64 Color level 5 DLVL6 65-66 Color level 6 DKONTROL 67-68 <><><> TRUE if 'KONTROL' file build DDISPL 69-70 Display type (2 bytes or binary for CAPPI) DMONTH 71-72 Month of latest volume scan
42 Position Parameter Number Description
DDAY 73-74 Day (binary... as are all the date/time items) DYEAR 75-76 Year DHOUR 77-78 Hour DMINS 79-80 Minutes DCLTHR 81-82 Clutter threshold DCLUPD 83-84 Clutter update flag (0==>update, -1==>load) DSTPSZ 85-86 Increment to next cone DRKIVE 87-88 Archive bit flags DHYDRA 89-90 Flag to do YSUBCA (0==>don't) used by COUTCV DCALIB 91-92 Calibration flag DATSTH 93-94 DATSRT 95-96 DWHAT 97-98 Reporting interval for hydra catchments DNOCLOK 99-100 TRUE if no battery clock available DMIN 101-102 Minutes after midnight DPRESTRT 103-104 Prestart in seconds DCLDIS 105-106 "CLUTTER-ONLY" display flag DXDCTR 107-108 X center of display DYDCTR 109-110 Y center of display DRUNTYPE 111-112 Passl run-type flag, "GO" ==> normal volume scan "QU" ==> quick scan "TI" ==> timed run from 'weekscand.bn' DSCLY 113-114 Y-scale factor DSCLX 115-116 X-scale factor DYRMN 117-118 DYRMX 119-120 For 'STASH' routine DYOFF 121-122 DXRMN 123-124 DXRMX 125-126 DXOFF 127-128 DRR1 129-130 Rain rate for level 1 DRR2 131-132 Rain rate for level 2 DRR3 133-134 Rain rate for level 3 DRR4 135-136 Rain rate for level 4 DRR5 137-138 Rain rate for level 5 DRR6 139-140 Rain rate for level 6 DARAIN 141-144 Linear coefficient of reflectivity (2 wds)
43 Position Parameter Number Description
DBRAIN 145-148 Non-linear coefficient of reflectivity (2 wds) DBITROVS 149-150 Bitrov overlay flags, Bit 8 on ==> overlays changed DHICAPPI 151-152 High limit of CAPPI range D6FREE 153-154 Not used DQSECS 155-156 NBR of sectors W/DATA for quickscan to no-skip DLYNORM 157-158 STD delay for mids antimation DlOVLY 159-160 First overlay currently used D20VLY 161-162 Second overlay currently used DHUH 163-164 Unknown ATT DANNOTE 165-166 0==>annotation off, 1==>annotation on D13FREE 167-168 Not used DRANGE 169-170 4==>longrange, 2==>short (i.e.km/pixel) DDVIP 171-174 DVIP correlation point (2 WDS) - setrain.fr DRCVR 175-178 Receiver correlation point (2 WDS) - setrain.fr
(241-256 are for CGP-220 routines) DCGCLUTR 241-242 CG clutter black/normal/white DCGOVL 243-244 CG overlay on/off DCGL1 245-246 CG level 1 DCGL2 247-248 CG level 2 DCGL3 249-250 CG level 3 DCGL4 251-252 CG level 4 DCGL5 253-254 CG level 5 DCGL6 255-256 CG level 6 CVIV.DT *Selected/sorted video data from C Band used by the output display generation process Data 1-87552 *Data was divided 9 parts (kept in ten (8192/8194) (1-87574) and one (5632/5634) bytes records). *Each part include 201x24=4824 words of data, there are 80 bytes between each part that should be ignored. *The KAOHSIUNG Radar Data was added 2 bytes (sequence no.) on each record. When the code 0000 in HAX occurred, it means this part of the data was stopped. 80 bytes of data were passed, then next part of the data continued.
44 2.13 Rawinsonde Balloon Position Data This Table gives the raw balloon positions from Penchiao and Hualien stations. The frequency of the data is every minute. 2.13.1 Balloon Position Data Listing
Station Name Date Latitude Longitude Elevation
Penchiao (46685) May 13 06:00 - May 31 18:00 25.00N 121.43E 9.3 June 01 00:00 - June 30 12:00 Hualien (46699) May 13 00:00 - May 31 18:00 23.97N 121.62E 17.6 June 01 00:00 - June 25 15:00
2.13.2 Balloon Position Data Format
Number of Position Parameter Characters Number Remarks
Station number 5 1- 5 Time 10 6-15 YrMoDaHrMn Reserved 1 16 Distance 6 17-22 in 0.1 meter Pressure 5 23-27 in 0.1 mb Height 6 28-33 in 0.1 meter Azimuth 4 34-37 in 0.1 degree Elevation 3 38-40 in 0.1 degree
2.14 Mainland China Surface and Upper Air Data
The mainland China surface, rawinsonde and pibal data that were available for TAMEX covers only a selected number of days. These dates are 16, 17 May, 1987 and 1, 2, 5, 6, 7, 8, 9, 16, 17, 18, 23 June 1987. Only 00 and 12 UTC upper air data were reported while the surface data were available at 3 hour intervals. The upper-air mandatory and significant level data (rawinsonde and pibal) were available in two separate files. The rawinsonde mandatory and significant level data have been merged and formated according to the TAMEX IOP/SOP upper-air high resolution format. The surface data were also sorted and formated according to the TAMEX mesonet IOP surface data format. The merged mainland China pibal data is not available at this time. This is due to the difficulty with two different vertical coordinates given in the mandatory (pressure) and significant (height) level data. Future work to merge the pibal data is planned.
45 The mainland China sounding data contained many typographical errors for the temperature field. After these temperature errors were corrected by the U.S. TAMEX Data Center the dew point temperature was recalculated according to the new temperature. Some soundings have an inconsistent height field and were not corrected. The surface, rawinsonde and pibal station locations are shown in Figs. 2.7, 2.8, and 2.9 respectively (see Tables B-9, B-10 and B-11 for the stations list).
53959~ 4-,_-_, .. -_/_- .... -'i .,A 57071,,,,o nA , , 54938A. I 5704657046~~~~~et1 95uoB , o3 ,5- 57067 58027
, 5 5719,358102 £8 71 5P.580 58144 5P8102 5 7 2 9 0 A 57178 ' I 58203 58221 £825 57265 57259 5 57279 5727 i
6 57461 5737 4.,~5 581831 4 58338A 83 , 583 ...
S30- -5 A 5 8A - 7 ------5.7j76- 574941 58424 A -----
1 S7557"584 ' 58506 586" 57584 A 58527 8569 57662 5759.9"" &6 I 7655, 8586 3 I 5 8 6 576558 6 6 A .. 5 86.06 S 57 687 58 3 5846 588666 fI « A A 5859 · I
-,-. . A 577893... 5870r731 i 57766 57776 I J 58.71 5 5'76 5765 33, . 58853 A 5 5 8 34 578866 - A6
59072 59082 59102 .
I 2I 5597456 5562 87950501 5 9 A I66 555589567 5927987 ! A t £ ' 59673 » A16I 975 5881 4358 6 110~~ ~ ~ ~~:T--
\, ,^9658 , , 5
110... · . V 1nann L-nA Ksr1 * Ta raiot l f
Fig. 2.7 Surface Station Locations from Mainland China Data Set
46 Fig. 2.8 Rawinsonde Station Locations from Mainland China Data Set
47 Fig. 2.9 Pibal Station Locations from Mainland China Data Set
48 3.0 Quality Checking Procedure at the U.S. TAMEX Data Center
A quality checking procedure was established to deal with problems found in the upper-air data. The first step in the procedure is to obtain a list of the possible errors. Meteorological variables such as pressure, geopotential height, temperature, relative humidity, wind direction, and wind speed are examined by the error checking program. Basically, the program performed two kind of checks. The first one was a range check and the second one was the consistency check. Detailed descriptions are presented in Section 3.1. After a list of possible errors was obtained, the second step was to remove the errors based on the Skew T plots and the original data from the field. Minor typographical and keypunch errors were also corrected. The original high resolution data (50 meter height increments to 3000 meters and 150 meters above) were established by interpolation and merged with the initial standard and significant pressure levels data. This was the procedure for most stations except for the five stations; Penchiao (46685), Hualien (46699), Ocean Researcher (RCHY), Navy Ship (RCJH), and Fishing Trainer (RCYS). These stations actually measured and recorded data at the high vertical resolution. When the interpolated data were merged with the standard and significant levels, redundant pressure or height levels appeared, as well as "out-of-order" pressure levels. To remove these kind of interpolation errors, linear interpolation was performed on the 6 non-high resolution stations by using the corrected mandatory and significant level data. The diurnal temperature oscillation appeared on three of the sounding stations (46695, 46747 and 46810). Section 3.2 gives the detailed description of the method we used to remove the diurnal temperature oscillation. Wind errors were most often caused by keypunch error with the exception of wind data from the CLASS sounding located at Fishing Trainer. Due to the poor relative geometry of the Fishing Trainer location to the Loran stations, wind data from the CLASS sounding need to be reprocessed by increasing the smoothing interval from 30 to 120 seconds. Section 3.3 gives a detailed description of the procedure used to recover the TAMEX CLASS soundings.
3.1 Error Checking Procedures*
The error checking procedures for TAMEX upper-air sounding data were based on the FGGE data quality control procedures and criteria with slight modification to accommodate the subtropical climate in TAMEX area. Temperature, dew point temperature, wind direction, wind speed, geopotential height, and pressure are examined in this procedure.
* The procedures described here were developed by James Bresch at Colorado State University
49 3.1.1 Temperature Range Check
Table 3.1 Allowable Temperature Range
Pressure (mb) Min (°C) Max (°C)
P < 50 -85 -10
50 < P <300 -85 -22
300 < P <400 -39 -7
400 < P <500 -24 2
500 < P <600 -19 10
600 < P <700 -19 20
700 < P <800 -19 26
800 < P <900 -19 35
900 < P <1039 -19 40
3.1.2 Temperature Adjacent Level Check
Temperature was flagged at level k when
Tk_--Th >Tk-Tk+ or Tk-Tk+ > 5°C
where k represents the vertical level (k increases with the height).
3.1.3 Dew Point Temperature Range Check
Dew point temperature was flagged at level k when
(T)k - (Td)k < 0°C
or (T)k - (Td) > 56 °C0
50 where k represents levels above the surface. Recompute all Td using the given temperature and relative humidity. Dew point temperature was flagged when
T| - Tdol 1> 2°C
where Tdrnew is the recomputed Td and Td°ld is the original Td
3.1.4 Wind Direction Range Check
The allowable wind direction ranges are
0° < DIR < 360°
3.1.5 Wind Direction Shear Check
Wind direction was flagged at vertical level "k" if
DIRk - DIR^I_ > 90°
and DIRk+l - DIRkl < 90 ° ,
or if DIRk+2 - DIRk^h < 900
and wind speed > 2 ms- 1
where k represents the vertical level.
3.1.6 Wind Speed Range Check
The allowable wind speed ranges for all levels are
0 ms- l < SPD < 60 m8- 1
3.1.7 Wind Speed Shear Check
Wind speed at vertical level k was flagged if
SPDk - SPDk,1 > 8 ms - 1
where k represents the vertical level.
51 3.1.8 Geopotential Height Range Check
The allowable geopotential height ranges are
Pressure (mb) Max (meters) Min (meters)
100 17000 16350 150 14550 13900 200 12700 12150 250 11200 10700 300 9900 9400 400 7700 7300 500 6000 5650 700 3250 2950 850 1600 1300 and
Hk-1 < H
where k represents the vertical level Recompute all the geopotential height by integrating the hydrostatic equation
Hk Hk +^1 RTd-d *J TIn( T.* Pk-1
Height was flagged if
Hnew - Hold 0 Hold and
Hne, - Hold < 50 meters where Hnu, is the recomputed and Hold is the original geopotential height.
3.1.9 Pressure Check
The allowable surface pressure range is
0 mb < P < 1050 mb
The allowable pressure range above surface is
Pk < Pk-1
Where k represents the vertical level.
52 Fig. 3.1 shows some examples of errors detected by the error checking program.
Fig. 3.1 Example of (a) temperature error detected by the adjacent level check and dew point temperature error detected by the recomputed dew point temperature check, (b) temperature error detected by the temperature range check, and (c) wind direction error detected by the wind direction shear check.
53 3.2 Diurnal Temperature Oscillation
An additional problem of diurnal temperature oscillation was discovered at stations Tungkang (46747), Pengchia-Yu (46695) throughout the entire TAMEX field phase (Figs. 3.2 and 3.3), and Tungsha (46780) for a period of two weeks from 31 May to 13 June (Fig. 3.4). While the temperature time series plots for station Makung (closest station near Tungkang) and Penchiao (closest station near Pengchia-Yu) did not show this kind of oscillation (Figs. 3.5 and 3.6). Detailed description of the temperature error characteristics of Tungkang soundings can be found in the TAMEX newsletter volume 1, number 6 (Bresch and Johnson 1987). The following procedures describe the method used to remove the temperature oscillation from stations Tungkang and Pengchia-Yu. No attempts were made to remove the two-week diurnal temperature oscillation from Tungsha.
3.2.1 Procedures to Remove the Diurnal Temperature Oscillationfrom Tungkang and Pengchia-Yu
a. Select a reference rawinsonde station located close to the problem station (Makung and Penchiao in this case). Linearly interpolate the 50 meter increment data to 25 mb increment data from 1000 to 100 mb for the reference and problem stations. b. Calculate the mean temperature on 37 vertical levels (from 1000 to 100 mb) at individual times (either 00, 03, 06, 09, 12, 15, 18, or 21 UTC) for both the reference and problem stations during the TAMEX experiment. Reference station:
(TAt)A = -1 T- Problem station:
m l m (Tht)B = - = 12 where t is the time (00, 03, 06, 09, 12, 15, 18, or 21 UTC), k is the 25 mb increment pressure level, and tl and 12 are the total number of soundings at time t for station A and B during the two-month field operation. c. Compute the mean temperature difference between the reference and problem stations.
t 6Th = ((Tkh)B -(Th)A) * l
D1 = l,(l o) forPk > 850mb
wl = 1 forPh < 850mb
54 where Ph is the 25 mb increment pressure level, A represents the reference station and B represents the problem station. Then the temperature correction term is:
(TDF)it = 6T^+l - (T+l - 6Tk') * W2
W2 =--
where w2 is the pressure weighting, Ph is the 25 mb increment pressure level and Pi is the actual pressure level of the problem station (Ph > Pi > Pk+i). d. Remove the temperature oscillation from the problem station by applying the temperature correction on each pressure level according to time.
This method assumed the atmospheric diurnal temperature differences above the boundary layer at Tungkang and Makung were the same (or at Penchiao and Pengchia-Yu were the same). Therefore, by computing Makung's (or Penchiao's) diurnal temperature differences (as functions of height and time) above the boundary layer (presumably above 850 mb), we were able to correct the diurnal temperature oscillation at Tungkang (or Pengchia-Yu). However, the top of the boundary layer varied with different atmospheric conditions and was not always at 850 mb. Artificially reducing the temperature differences logarithmically to zero from 850 to 1000 mb preserved some temperature errors in the lower atmosphere. Therefore, noticeable errors remained especially in the geopotential height field (since the height field is an integrated parameter, minor errors in the temperature field at lower levels will accumulate upward), but not so much in the temperature field. The temperature time series plots for Tungkang and Pengchia-Yu after the correction are shown in Figs. 3.7 and 3.8. (see Figs. 3.9 and 3.10 for the average day and night temperature differences before and after removing the diurnal temperature oscillation from Tungkang and Pengchia-Yu).
55 STA 416747 , T.TM-EIO STA 46747 , T TM-ETO *r i F STA 46747 T TIME-SECTION 1UUA ' STA 46747 T TIME-SECTION
200 200
300 300
400 400 L~J LuJ : 500 : 500 (A/ () *-'- _~e. . __"" y/;'/" -'7s _'- w 600 u 600 Q.- G. ' ~,-_~ V - 'v' --- ' ~" ,- - 700 700 ; _..-"-, A !1· 1~.' , - . 800 800 r ', ) ^r^: '-/ ,./ ' ,---.,1
900 900
1t'1 'lf t_=:'. ~,..~ ...... ' ...... 1000 luwu 122 124 126 128 130 132 134 136 138 140 142 144 JULIAN DATEE
I r. eIn n _ lWU
200 200
300 300
400 400 LJ D 500 500 (/) a. 'r-^f-wr^^^'f'^ ^ A Vi^~~~~~~~~~~~~~'
" 600 w 600 .- ~A a. a. 700 700
800 800 '6--/ ~
900 900 ^ ^v-^-/^^~^~~,.~.o' .-^/~...... 1000 1000inono gi.,.. zf.,, ~...n. ' ,?'....-.,.1l,,.^ n ./..>* .ln I-L 146 148 150 152 154 156 158 160 162 164 166 168 JULIAN DATE JULIAN DATE 100
200
300
400 LJ : 500 /1 u, 600
700
800
900
1000 j 170 172 174 176 178 180 JULIAN DATE
Fig. 3.2 Temperature time plots for Tungkang before removing the diurnal temperature oscillation. 56 STA 46695 , T TIME-SECTION STA 46695 , T TM-ETO
l^^ . ,, . Ifi I I I I I I I I I I1111 1 * * RI I I I 11.1 *i I II1 wlw|l|f11111 Pw IUU .... , 200 .^. 300
400 F-. Lbi LJ 500 I~ VI) vi .-- 3 2.0- Id) L&JU, CLf 600 Q: 0. 700 -A.A - o-
800
900
...... I...... I *- ...... 1(nrnIVvi 122 124 126 128 130 132 Lij a- JULIAN DATE JULIAN DATE
100 100
200 200
300 300
400 400 LJ 500 500 (A U, 600 600 QCZ CLJ CL 700 700
800 800
900 900
1000 1000 158 160 162 164 166 168 JULIAN DATE JULIAN DATE
100 -~ ~ TTm ·m. ·· ·· ·· ···~·..· ...... IT3 1111 III 11,11,119
200
300
400
La.h 500 fo A.O\NA L&J 600 CZ 700
800
900
1000 , ...L . l.. _ - -fi , . .. . .I. ...I...... I ...... i 170 172 174 176 178 180 JULIAN DATE
Fig. 3.3 Temperature time plots for Penchia-Yu before removing the diurnal temperature oscillation. 57 STA 46810 , T TIME-SECTION STA 46810 , T TIME-SECTION '100 IUU4 AM
200 200
300 300
400 400 Lai LAJ Vi 500 VI 500 D Vi LAJ 600 0~ 600 Qa
700 700
800 800
900 900
1000 1000 130 132 134 136 138 140 142 144 146 148 150 152 JUUAN DATE JULIAN DATE
STA 46810 , T TIME-SECTION STA 46810 , T TIME-SECTION 100 100
200 200
300 300
400 400 L~J LAJ Vi 500 500 0;Vi Vi LiJ 600 Q; 600 CLi CL 700 700
800 800
900 900 1000 1000 166 168 170 172 174 176 154 156 158 160 162 164 JULIAN DATE JULIAN DATE
Fig. 3.4 Temperature time plots for Tungsha (note the diurnal temperature oscillation occurred between Julian date 151 to 165).
58 STA 46734 , T TIME-SECTION STA 46734 , T TIME -SECTION 4AA 100 1UU
200 200
300 300
400 400 L16J La 500 0C 500 v) (/)0 LLJ 600 L6J 600 Q;0x 700 700
800 800
900 900
1000 1000
JULIAN DATE JULIAN DATE
CLJ STA 46734, T TIME-SECTION STA 46734 , T TIME-SECTION 100 IvuI )
200 200
300 300
400 400 LJ 500 500
CZ 0~ 600 LJ 600 CL 700 700
800 800
900 900
1000 1000 158 160 162 164 166 168 170 172 1i47 176 178 180 JULIAN DATE JULIAN DATE
Fig. 3.5 Temperature time plots for Makung (the reference station used to remove the diurnal temperature oscillation from Tungkang).
59 STA 46685 , T TIME-SECTION STA 46685 , T TIME-SECTION 100
200
300
400 LJ ce: CY- LJ 500 In(n
CZCn 600 0:CL. 700
800
900
1000 134 136 138 140 142 144 146 148 150 152 154 156 JULIAN DATE JULIAN DATE
STA 46685, T TIME-SECTION STA 46685 , T TIME-SECTION 100 100
200 200
300 300
400 400 LJ LJ Q: 500 500 (L LO LJ 600 CL 600 CL 700 700
800 800
900 900
1000 1000 158 160 162 1i41 166 168 JULIAN DATE JULIAN DATE
Fig. 3.6 Temperature time plots for Penchiao (the reference station used to remove the diurnal temperature oscillation from Penchia-yu).
60 STA 46747 , T TIME-SECTION STA 46747 , T TIME-SECTION 100 100
200 200
300 300
400 · . '16.- 400 LhJ LJ 500 500 (/) V/)0 (/) LAJ 600 LJ 600 a- CLQ: 700 700
800 800
900 900
1000 1000 122 124- 126 128 130 132 134 136 138 140 142 144 JULIAN DATE JULIAN DATE
STA 46747 , T TIME-SECTION STA 46747 , T TIME-SECTION 's fon 100
200 - 0 200
300 ---- ^--.i. 300
400 LJ LJ Cr Cn-_ _- _ -_ A 500 ^ 0 V/) ,UU-- ,--./.V- -- V (/) 0 LJ 600 - a-. .- Li 600 0K CL CL 700 700
t 800 10/ 800
900 , , f_ 900
1000 [ * ...... 1. 1000 146 148 150 152 154 156 158 160 162 164 166 168 JULIAN DATE JULIAN DATE
STA 46747 , T TIME-SECTION 100
200
300
400 LJ 0: 500
UN0 -f>y 600 CL _t'^^^ ^ ^ ^ ^ ./^ 700
800
900
1000 170 172 174 176 178 180 JULIAN DATE
Fig. 3.7 Temperature time plots for Tungkang after removing the diurnal temperature oscillation.
61 STA 46695 , T TIME-SECTION STA 46695 , T TIME-SECTION 100 100
200 200
300 300
400 400 w 500 04 500 CZ 0 w 600 600 0K 700 700
800 800
900 900
1000 1000 142 144 146 148 150 152 JULIAN DATE JULIAN DATE
CL
STA 46695 , T TIME-SECTION STA 46695 T TIME-SECTION 100 100 - U "T"'L]" ':U'TM~U,I "MI I'JI I , IIM .11 .'1"1 I.-- --I- .