Pdf | 620.6 Kb

Total Page:16

File Type:pdf, Size:1020Kb

Pdf | 620.6 Kb ASIA-PACIFIC REGION 21 - 27 September 2011 Natural Disasters and Other Events being monitored by the OCHA Regional Office for the Asia-Pacific 1. India, Nepal, China and Bhutan - On 18 Sept a 6.9 M earthquake struck the Probability of Above/Below r" mountainous north-eastern Indian State of Sikkim. As of 23 September, a total of 108 deaths were reported, with 94 deaths in India, seven in China, six in Nepal, and one in Normal Precipitation Bhutan. More than 5,000 people have received shelter assistance in India. Almost Oct to Dec 2011 1,500 buildings destroyed and some 2,800 buildings partially damaged in Nepal. UN in Above normal rainfall Bhutan requests an OCHA emergency cash grant to kick-start the response activities. M O N G O L I A p" Source: OCHA u" 2. Cambodia - Floods that began last month has killed 60 - 100 people. 90,300 families DPR KOREA JAPAN normal in 15 provinces have been affected, around 170,000 hectares of rice fields and 63,000 JAMMU homes were under water. More than 300 schools were closed, according to National KASHMIR p" Committee for Disaster Management. C H I N A RO KOREA 5 Source: Media AKSAI ! Below normal rainfall CHIN KOBE 3. Philippines - Typhoon Nesat, locally known as Pedring has made landfall this BHUTAN Source: The International Research p" morning, 27 September between Aurora and Isabela Provinces. Typhoon Pedring is ARUNASHAL Institute for Climate and Society - expected to enhance the southwest monsoon causing moderate to heavy rains over 1 PRADESH NEPAL Sep 2011 Forecast for the Southern Luzon and Visayas. Initial information from the Department of Social Welfare Oct-Nov-Dec season and Development (DSWD) indicated that more than 12,000 persons have been affected ! in Regions II, III and V. There are no indications at this stage that international KATHMANDU r" assistance will be requested by the government. Source: OCHA MYANMAR 4. Vietnam, Laos and Thailand- Heavy rains and potential floods brought by TS I N D I A p" Haitang which made landfall in central Vietnam at 0400 local time. On 25 September, LAO VIETNAM Vietnamese government agencies issued a warning for people in risk areas and fisher BANGLADESH PDR PACI FI C folks at sea to take shelter. Provincial authorities were also instructed to monitor water 4 Northern Mariana levels and potential breakages in embankments and reservoirs. At the request of the YANGON ! South Nesat OC EAN UNRC Office, UNOSAT will programme radar imagery that will support the VN THAILAND p" p"MANILA Islands (U.S.) Government and humanitarian partners in analyzing the storms impact. In Lao PDR, it is Bay of ! ! ! expected to cause heavy rains, strong winds and possible flooding and landslides in ! ! ! ! ! ! ! China ! 3 ! ! ! ! !H! ! aitang BANGKOK! ! ! ! ! Savannakhet and Khammuan Provinces. In Thailand, it will cause heavy rains in the Bengal ! ! ! ! CAM! ! B! ODIA Sea Northeast, East and the Southwest coast. People living in foothill areas, near waterways 2 PHILIPPINES Guam (U.S.) and in lowland are warned of flash flood. M A R S H A L L Source: OCHA I S L A N D S SRI LANKA BRUNEI 5. Japan - Typhoon Roke made landfall on the main Honshu Island of Japan that p" triggered landslides and flooding in the southern and central region. Media reported at COLOMBO ! DARUSSALAM P A L A U least 16 deaths or missing as a result of the typhoon, as of 22 September. Officials M I C R O N E S I A ( F S O ) stated that the Fukushima Daiichi nuclear power plant, that was under repair from the 11 March tsunami, was not affected by the typhoon. MALDIVES M A L A Y S I A K I R I B A T I Source: OCHA SINGAPORE N A U R U Precipitation Forecast - There is a very high chance of greater than average INDIAN People Affected OC EAN P A P U A I N D O N E S I A N E W G U I N E A JAKARTA ! S O L O M O N T U V A L U I S L A N D S Tokelau (N.Z.) TIMOR-LESTE ! PORT MORESBY Wallis and SAMOA APIA PAGO Futuna (Fra.) PAGO V A N U A T U American Samoa (US) SUVA ! ALOFI 1,000 km New Caledonia (Fra.) F I J I Niue (N.Z.) NUKU'ALOFA The graph above AsVhAowRsU Athe absolute and relative number of people affected by the disasters Map Doc Name: A U S T R A L I A TOshNowGnA on this map. The Y-axis labeled "Absolute" represents the total number of persons OCHA_ROAP-Sitmap_110927 Tropical Cyclone Paths affected. TheC X-oaxois klabeled "Relative" represents the number of people affected per 100,000. ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! I s l a n d s ! ! ! ! ! ! ! ! ! ! ! GLIDE Number(s): ! ! ! ! ! ! ! ! ! ! ! Flooded ! ! ! ! ! ! ! ! ! ! ! EQ-2011-000136-IND (India) Map data sou(rNce(.sZ): . ) EQ-2011-000136-NPL (Nepal) Earthquake UN Cartographic Section, Food and Agriculture r" Organization (FAO), Europa Technology, TC-2011-000140-JPN GDACS, PDC, IRI. TC-2011-000147-PHL ! OCHA Office or Presence FL-2011-000148-KHM Disclaimers: The boundaries and names shown and the designations used on this map do not imply official endorsement or acceptance by the United Nations. N E W Z E A L A N D I L L E NGTONW NEW ZEALAND.
Recommended publications
  • World Risk Report 2012
    Focus: Environmental degradation and disasters WorldRiskReport 2012 In cooperation with UNU-EHS Institute for Environment and Human Security Together for people in need. WorldRiskReport 2012 1. Disaster risk, environmental degradation and global sustainability policy ................ 5 Peter Mucke 2. WorldRiskIndex 2012: Concept, updating and results ................................ 11 Torsten Welle, Jörn Birkmann, Jakob Rhyner, Maximilian Witting, Jan Wolfertz 2.1 Concept and structure of the WorldRiskIndex .................................... 12 2.2 Updating and modifying the indicators ......................................... 16 2.3 Risk assessment at global level for 2012 ........................................ 18 3. Focus: Environmental degradation and disasters .................................... 27 3.1 Environmental degradation as a risk factor ...................................... 28 Torsten Welle, Michael W. Beck, Peter Mucke 3.2 Coastal Habitats and Risk Reduction ........................................... 32 Michael W. Beck, Christine C. Shepard 3.3 Agrofuels, land-grabbing and landslides ....................................... 42 Katja Maurer 3.4 Environmental degradation, poverty and disaster risk on the international development agenda ...................................... 48 Jens Martens 4. Disaster risk reduction – a key element of global sustainability policy ................... 57 Peter Mucke, Jens Martens, Katrin Radtke Annex ........................................................................... 63 WorldRiskReport
    [Show full text]
  • Friday) Time • 7.30 P.M
    Date • 21st February 2014 (Friday) Time • 7.30 p.m. to 10.00 p.m. Venue • Ballroom 1 & 2, 1st Floor Sime Darby Convention Centre 1A, Jalan Bukit Kiara 1, K. L. CoNTENTS OUR Journey , • Our Journey 3 In 1995 during the height of the Rwanda crisis, 2 American doctors, • Message from the Executive Director 4 Drs. Mark and Betsy Neuenschwander of the International Health Services Foundation received a vision from God to raise up disaster • Message from Drs. Mark & Betsy 5 relief teams across the world. They visited Malaysia and conducted • Vision & Mission 6 3 consecutive Disaster Relief Schools (DRS) in 1995, 1996 and 1997. From these training schools, a group of graduates received • Where We Have Served 7 - 10 God’s call to establish a disaster relief organization in Asia. • Reflections from the Journey 11 On 3rd December 1998, • The Joy of A Special Child by Cynthia, Volunteer 12 - 13 CREST was birthed in Malaysia. • I Am Blessed by Dr. Oh Swee Eng, Volunteer 14 - 15 • Walking By Faith by Martin Chow, Volunteer 16 -17 • Moving Beyond Emergency Response by Dr. Yoong Sao Chin, CREST Director 18 • Early Childhood Development Centre (ECDC) 19 • An Interview With Wong Lee Sin, Volunteer 20 - 21 • Out of the Classroom & Into the Field by Michelle Choo, Volunteer 22 - 23 • Once Is Not Enough by Susan Chen, Volunteer 24 - 25 • Aknowledgement 26 • Congratulatory & Advertisement 27 - 34 Now, CREST serves in countries across Asia and takes on the mantle to train more relief volunteers in Malaysia and beyond. CREST has also moved beyond mere active emergency response into rehabilitation and reconstruction with the ultimate goal of impacting communities into self dignity and reliance.
    [Show full text]
  • 4. the TROPICS—HJ Diamond and CJ Schreck, Eds
    4. THE TROPICS—H. J. Diamond and C. J. Schreck, Eds. Pacific, South Indian, and Australian basins were a. Overview—H. J. Diamond and C. J. Schreck all particularly quiet, each having about half their The Tropics in 2017 were dominated by neutral median ACE. El Niño–Southern Oscillation (ENSO) condi- Three tropical cyclones (TCs) reached the Saffir– tions during most of the year, with the onset of Simpson scale category 5 intensity level—two in the La Niña conditions occurring during boreal autumn. North Atlantic and one in the western North Pacific Although the year began ENSO-neutral, it initially basins. This number was less than half of the eight featured cooler-than-average sea surface tempera- category 5 storms recorded in 2015 (Diamond and tures (SSTs) in the central and east-central equatorial Schreck 2016), and was one fewer than the four re- Pacific, along with lingering La Niña impacts in the corded in 2016 (Diamond and Schreck 2017). atmospheric circulation. These conditions followed The editors of this chapter would like to insert two the abrupt end of a weak and short-lived La Niña personal notes recognizing the passing of two giants during 2016, which lasted from the July–September in the field of tropical meteorology. season until late December. Charles J. Neumann passed away on 14 November Equatorial Pacific SST anomalies warmed con- 2017, at the age of 92. Upon graduation from MIT siderably during the first several months of 2017 in 1946, Charlie volunteered as a weather officer in and by late boreal spring and early summer, the the Navy’s first airborne typhoon reconnaissance anomalies were just shy of reaching El Niño thresh- unit in the Pacific.
    [Show full text]
  • Evaluations on Vortex Based Doppler Velocity Dealiasing Algorithm for Tropical Cyclones
    Evaluations on Vortex Based Doppler Velocity Dealiasing Algorithm for Tropical Cyclones Wei-Tin Fang1, Pao-Liang Chang2, Pin-Fang Lin1 Meteorological Satellite Center1, Meteorological Information Center2 Central Weather Bureau, Taipei, Taiwan Abstract In this study, a vortex-based Doppler velocity dealiasing (VDVD) algorithm with iterative procedures based on the Rankine combined vortex assumption is proposed to improve Doppler velocity quality for tropical cyclone (TC) cases. An idealized case based on the ground-based velocity track display (GBVTD) and GBVTD-simplex techniques shows reasonable results for recovering the aliased velocity and finding the proper TC center. For Typhoon Fitow (2013), which was observed by Wu-Fen-San radar, the proposed vortex-based Doppler velocity dealiasing algorithm recovers most of the aliased velocity observations with 99.4 % accuracy for all pixels, based on 472 data sweeps. For 87 % (95.6 %) of data sweeps, the data success rate is more than 99 % (98 %), compared to that of 70.6 % (79.7 %) for data sweeps when using the Zhang and Wang (2006) (hereafter, ZW06) algorithm. In addition, there is a data success rate of approximately 2 % for sweeps lower than 97 % when using the VDVD algorithm, compared to that of more than 14 % of sweeps when using the ZW06 algorithm. The success rate of the VDVD for each sweep varies from 93.6 to 100 %, and the success rate of the ZW06 algorithm varies from 74.5 to 99.97 %. In addition, it is found that the local circulations generated by terrain would might conflict with the assumption of Rankine combined vortex and result in inadequate dealiased Doppler velocities from VDVD algorithm.
    [Show full text]
  • Earth Observations for Environmental Sustainability for the Next Decade
    remote sensing Editorial Preface: Earth Observations for Environmental Sustainability for the Next Decade Yuei-An Liou 1,2,* , Yuriy Kuleshov 3,4, Chung-Ru Ho 5 , Kim-Anh Nguyen 1,6 and Steven C. Reising 7 1 Center for Space and Remote Sensing Research, National Central University, No. 300, Jhongda Rd., Jhongli District, Taoyuan City 32001, Taiwan; [email protected] 2 Taiwan Group on Earth Observations, Hsinchu 32001, Taiwan 3 Australian Bureau of Meteorology, 700 Collins Street, Docklands, Melbourne, VIC 3008, Australia; [email protected] 4 SPACE Research Centre, School of Science, Royal Melbourne Institute of Technology (RMIT) University, Melbourne, VIC 3000, Australia 5 Department of Marine Environmental Informatics, National Taiwan Ocean University, Keelung 32001, Taiwan; [email protected] 6 Institute of Geography, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd., Cau Giay, Hanoi 100000, Vietnam 7 Electrical and Computer Engineering Department, Colorado State University, 1373 Campus Delivery, Fort Collins, CO 80523-1373, USA; [email protected] * Correspondence: [email protected]; Tel.: +886-3-4227151 (ext. 57631); Fax: +886-3-4254908 Evidence of the rapid degradation of the Earth’s natural environment has grown in recent years. Sustaining our planet has become the greatest concern faced by humanity. Of the 17 Sustainable Development Goals (SDGs) in the 2030 Agenda for Sustainable Development, Earth observations have been identified as major contributors to nine of them: 2 (Zero Hunger), 3 (Good Health and Well-Being), 6 (Clean Water and Sanitation), Citation: Liou, Y.-A.; Kuleshov, Y.; 7 (Affordable and Clean Energy), 11 (Sustainable Cities and Communities), 12 (Sustainable Ho, C.-R.; Nguyen, K.-A.; Reising, Consumption and Production), 13 (Climate Action), 14 (Life Below Water), and 15 (Life on S.C.
    [Show full text]
  • Response of Coastal Water in the Taiwan Strait to Typhoon Nesat of 2017
    water Article Response of Coastal Water in the Taiwan Strait to Typhoon Nesat of 2017 Renhao Wu 1,2 , Qinghua Yang 1,3 , Di Tian 4, Bo Han 1,2, Shimei Wu 1,2 and Han Zhang 4,* 1 School of Atmospheric Sciences, and Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Zhuhai 519082, China; [email protected] (R.W.); [email protected] (Q.Y.); [email protected] (B.H.); [email protected] (S.W.) 2 Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China 3 State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100039, China 4 State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China; [email protected] * Correspondence: [email protected] Received: 29 September 2019; Accepted: 4 November 2019; Published: 7 November 2019 Abstract: The oceanic response of the Taiwan Strait (TWS) to Typhoon Nesat (2017) was investigated using a fully coupled atmosphere-ocean-wave model (COAWST) verified by observations. Ocean currents in the TWS changed drastically in response to significant wind variation during the typhoon. The response of ocean currents was characterised by a flow pattern generally consistent with the Ekman boundary layer theory, with north-eastward volume transport being significantly modified by the storm. Model results also reveal that the western TWS experienced the maximum generated storm surge, whereas the east side experienced only moderate storm surge.
    [Show full text]
  • Infrared Radiance Simulation and Application Under Cloudy Sky Conditions Based on HIRTM
    JOURNAL OF ELECTRONIC SCIENCE AND TECHNOLOGY, VOL. 17, NO. 2, JUNE 2019 161 Digital Object Identifier:10.11989/JEST.1674-862X.80730010 Infrared Radiance Simulation and Application under Cloudy Sky Conditions Based on HIRTM Jian-Hua Qu | Jun-Jie Yan* | Mao-Nong Ran Abstract—An algorithm based on hyperspectral infrared cloudy radiative transfer model (HIRTM) is introduced and a simulation method for infrared image of the generation geostationary meteorological satellite is proposed. Based on the parameters from weather research and forecast (WRF), such as the water content, atmospheric temperature, and humidity profile, the simulation data for the advanced Himawari imager (AHI) infrared radiative (IR) channels of Himawari-8 are obtained. Simulated results based on HIRTM agree well with the observed data. Further, the movement, development, and change of the cloud are well predicated. And the simulation of IR cloud image for the weather forecast has been obtained. This paper provides an improved method for evaluation and improvement of regional numerical model for weather forecast. Index Terms—Hyperspectral infrared cloudy radiative transfer model (HIRTM), regional numerical model, satellite cloud image. 1. Introduction The meteorological satellite data has attracted lots of attention of research institutes, companies, and governments for its unique characteristics and advantages[1]. High-resolution remote sensing data plays a key role in the fields of weather analysis and forecasting, climate change research[2], environmental monitoring[3], and disaster prevention and reduction[4],[5], which is critical for the economic development of a country. Recently, the weather forecast theory and the data acquisition technology have been improved effectively. Meanwhile, methods and technologies have been greatly improved for weather forecast.
    [Show full text]
  • NASA's Aqua Satellite Tracks Typhoon Nesat Headed Toward Taiwan 28 July 2017
    NASA's Aqua satellite tracks Typhoon Nesat headed toward Taiwan 28 July 2017 Typhoon Warning Center said that Typhoon Nesat's maximum sustained winds were near 65 knots (75 mph/120 kph). At that time the center was located near 20.6 degrees north latitude and 125.3 degrees east longitude. That's about 342 nautical miles southeast of Taipei, Taiwai. Nesat was moving toward the northwest near 8 knots (9.7 mph/14.8 kph). Nesat will move northwest while intensifying. The system will peak at 75 knots (85 mph/139 kph) before approaching Taiwan on July 29 and making final landfall in China on July 30. Provided by NASA's Goddard Space Flight Center On July 27 NASA's Aqua satellite captured a visible image of Typhoon Nesat northeast of the Philippines in the Northwestern Pacific Ocean. Credit: NASA Goddard MODIS Rapid Response Team NASA's Aqua satellite passed over Typhoon Nesat as the storm continued moving north toward Taiwan. On July 27 at 1:30 p.m. local time the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Aqua satellite captured a visible image of the storm that showed powerful thunderstorms surrounding the center of circulation and a large thick band of storms wrapping into the center from the south and east. Although a ragged eye could not be seen in the MODIS imagery, it was visible using other satellite data. Nesat is moving through the Northwestern Pacific Ocean and is expected to make landfall and cross central Taiwan on July 29. On July 28 at 5 a.m.
    [Show full text]
  • 二零一七熱帶氣旋tropical Cyclones in 2017
    => TALIM TRACKS OF TROPICAL CYCLONES IN 2017 <SEP (), ! " Daily Positions at 00 UTC(08 HKT), :; SANVU the number in the symbol represents <SEP the date of the month *+ Intermediate 6-hourly Positions ,')% Super Typhoon NORU ')% *+ Severe Typhoon JUL ]^ BANYAN LAN AUG )% Typhoon OCT '(%& Severe Tropical Storm NALGAE AUG %& Tropical Storm NANMADOL JUL #$ Tropical Depression Z SAOLA( 1722) OCT KULAP JUL HAITANG JUL NORU( 1705) JUL NESAT JUL MERBOK Hong Kong / JUN PAKHAR @Q NALGAE(1711) ,- AUG ? GUCHOL AUG KULAP( 1706) HATO ROKE MAWAR <SEP JUL AUG JUL <SEP T.D. <SEP @Q GUCHOL( 1717) <SEP T.D. ,- MUIFA TALAS \ OCT ? HATO( 1713) APR JUL HAITANG( 1710) :; KHANUN MAWAR( 1716) AUG a JUL ROKE( 1707) SANVU( 1715) XZ[ OCT HAIKUI AUG JUL NANMADOL AUG NOV (1703) DOKSURI JUL <SEP T.D. *+ <SEP BANYAN( 1712) TALAS(1704) \ SONCA( 1708) JUL KHANUN( 1720) AUG SONCA JUL MERBOK (1702) => OCT JUL JUN TALIM( 1718) / <SEP T.D. PAKHAR( 1714) OCT XZ[ AUG NESAT( 1709) T.D. DOKSURI( 1719) a JUL APR <SEP _` HAIKUI( 1724) DAMREY NOV NOV de bc KAI-( TAK 1726) MUIFA (1701) KIROGI DEC APR NOV _` DAMREY( 1723) OCT T.D. APR bc T.D. KIROGI( 1725) T.D. T.D. JAN , ]^ NOV Z , NOV JAN TEMBIN( 1727) LAN( 1721) TEMBIN SAOLA( 1722) DEC OCT DEC OCT T.D. OCT de KAI- TAK DEC 更新記錄 Update Record 更新日期: 二零二零年一月 Revision Date: January 2020 頁 3 目錄 更新 頁 189 表 4.10: 二零一七年熱帶氣旋在香港所造成的損失 更新 頁 217 附件一: 超強颱風天鴿(1713)引致香港直接經濟損失的 新增 估算 Page 4 CONTENTS Update Page 189 TABLE 4.10: DAMAGE CAUSED BY TROPICAL CYCLONES IN Update HONG KONG IN 2017 Page 219 Annex 1: Estimated Direct Economic Losses in Hong Kong Add caused by Super Typhoon Hato (1713) 二零一 七 年 熱帶氣旋 TROPICAL CYCLONES IN 2017 2 二零一九年二月出版 Published February 2019 香港天文台編製 香港九龍彌敦道134A Prepared by: Hong Kong Observatory 134A Nathan Road Kowloon, Hong Kong © 版權所有。未經香港天文台台長同意,不得翻印本刊物任何部分內容。 ©Copyright reserved.
    [Show full text]
  • ROAP Deployments Infographic
    2004-PRESENT 42, 72, 78 14, 71, 85 37 45 events 50, 69, 81 18 4, 13, 21, 28, 38 30 90 OCHA ROAP deploys specialised humanitarian personnel to 15, 82 83 support efforts on the ground in response to a new or escalating 19, 60, 61, 88 humanitarian crises. Since 2004, ROAP deployed on 90 occasions 17, 40, 52, 58 75, 84 34, 39, 66, 89 to provide rapid and temporary reinforcement and ensure 59, 65, 70, 77 27, 31, 46 6 coordination takes place effectively and efficiently. 47, 53 64 63 79 1 62 67 20, 48, 54 55 57 1, 22, 26, 43, 76, 80 1, 3, 5 33 1 90 23 12 29 87 25 7, 8, 10, 41 9, 11 51, 74 16 32 35, 44, 49, 68 24, 56, 73 2, 36 86 01. Multiple countries Indian Ocean Tsunami Dec 2004 49. Vanuatu Cyclone Jasmine Feb 2012 50. Nepal Floods May 2012 02. Cook Islands Cyclone Percy Feb 2005 51. PNG Floods May 2012 03. Indonesia Nias Earthquake Mar 2005 52. Myanmar Rakhine Conflict Jun 2012 04. Pakistan, India South Asia Earthquake Oct 2005 53. Cambodia Floods Sep 2012 05. Indonesia Aceh Floods Dec 2005 54. Philippines Typhoon Bopha Dec 2012 06. Philippines Leyte Landslide Feb 2006 55. Palau Cyclone Bopha Dec 2012 07. Indonesia Mt. Merapi Volcano Apr 2006 56. Fiji Cyclone Eva Jun 2013 08. Indonesia Yogyakarta Earthquake May 2006 57. Marshall Islands Drought May 2013 09. Timor-Leste Unrest May 2006 58. Myanmar Cyclone Mahasan May 2013 10. Indonesia Earthquake and Tsunami Jul 2006 59.
    [Show full text]
  • Track Deflection of Typhoon Nesat
    MAY 2019 H U A N G E T A L . 1593 Track Deflection of Typhoon Nesat (2017) as Realized by Multiresolution Simulations of a Global Model CHING-YUANG HUANG AND CHIEN-HSIANG HUANG Department of Atmospheric Sciences, National Central University, Jhong-Li, Taiwan WILLIAM C. SKAMAROCK National Center for Atmospheric Research, Boulder, Colorado (Manuscript received 9 August 2018, in final form 15 February 2019) ABSTRACT Typhoon Nesat (2017) headed west-northwestward toward Taiwan but took a relatively larger northward deflection about 300 km away and then a leftward deflection after landfall at northern Taiwan. A global model MPAS, employing a multiresolution of 60–15–3 km mesh, is used to investigate the underlying mechanisms of the track changes. The global model simulations are capable of resolving the detailed topographical effects of the Central Mountain Range (CMR) in Taiwan, giving reasonable 5 day tracks in agreement with the ob- servations for Typhoons Soudelor (2015) and Megi (2016), and comparing better with the observed deflection of Nesat (2017) than the regional model simulation of WRF. Sensitivity experiments indicate that flattening the CMR only partially reduces the track deflection of Nesat, while the elimination of the initial cyclone over the South China Sea disables the possible Fujiwhara effect and leads to a southward-biased track with much weaker northward deflection. The northward deflection of Nesat is mainly in response to the wavenumber-1 (WN-1) horizontal PV advection as the southerly flow east of the typhoon center is enhanced by convergence with the outer cyclonic typhoon flow and the large-scale southwesterlies.
    [Show full text]
  • State of the Climate in 2017
    STATE OF THE CLIMATE IN 2017 Special Supplement to the Bulletin of the American Meteorological Society Vol. 99, No. 8, August 2018 STATE OF THE CLIMATE IN 2017 Editors Jessica Blunden Derek S. Arndt Gail Hartfield Chapter Editors Peter Bissolli Gregory C. Johnson Ahira Sánchez-Lugo Howard J. Diamond Tim Li Ted A. Scambos Robert J. H. Dunn Ademe Mekonnen Carl J. Schreck III Catherine Ganter Emily Osborne Sharon Stammerjohn Nadine Gobron Jacqueline A. Richter-Menge Diane M. Stanitski Martin O. Jeffries Kate M. Willett Technical Editor Mara Sprain AMERICAN METEOROLOGICAL SOCIETY COVER CREDITS: FRONT: ©Ron_ Thomas/Spring desert wildflowers in Anza Borrego Desert State Park, CA/Getty Images. BACK: Smoke and Fire in Southern California: Thick smoke was streaming from several fires in Southern California when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired a natural-color image in the afternoon on December 5, 2017. On the same day, the Multi Spectral Imager (MSI) on the European Space Agency’s Sentinel-2 satellite captured the data for a false-color image of the burn scar. Active fires appear orange; the burn scar is brown. Unburned vegetation is green; developed areas are gray. The Sentinel-2 image is based on observations of visible, shortwave infrared, and near infrared light. NASA Earth Observatory images by Joshua Stevens, using MODIS data from LANCE/EOSDIS Rapid Response and modi- fied Copernicus Sentinel data (2017) processed by the European Space Agency. Story by Adam Voiland. Instrument(s): Terra - MODIS Sentinel-2 How to cite this document: Citing the complete report: Blunden, J., D.
    [Show full text]