QPESUMS Introduction andandQPESUMS Application in WarningWarningApplication

PaoPao--Liang ChangChangLiang

Central Weather Bureau, TaiwanTaiwanCentral

A Training Course on Quantitative Precipitation Estimation/Forecasting (QPE/QPF) Crowne Plaza Galleria, City, 27-30 March 2012 OutlineOutline

 Features of QPESUMS systemsystemFeatures

 QPESUMS productsQPESUMSproducts

 Customizations of QPESUMS systemsystemCustomizations

 Customized warning applicationsapplicationsCustomized

 Future workworkFuture

22 QPESUMS SystemSystemQPESUMS

 In order to collectively utilize the radar data and enhance thetheInorder capability of severe weather monitoring, the QPESUMSQPESUMScapability (Quantitative Precipitation Estimation and SegregationSegregation(Quantitative Using Multiple Sensors) system is developed.developed.Using

 The (CWB), Water ResourceResourceThe Agency (WRA), Soil and Water Conservation BureauBureauAgency (SWCB) of . and National Severe Storms LaboratoryLaboratory(SWCB) (NSSL) of US began to cooperate to develop the QPESUMSQPESUMS(NSSL) system since 2002.2002.system

 The QPESUMS products are transferred to the governmentgovernmentThe agencies and emergency managers for flood, , andandagencies mudslide warnings and water resource managements.managements.mudslide Radar QPESUMS data stream and productsQPESUMS products

SingleSingle Satellite RadarRadar ProcessProcess

Rain 2D/3D2D/3D Gauge HydroHydro RadarRadar QPEQPE QPFQPF Model*Model* MosaicMosaic Sfc Obs & Sounding WarningWarning MosaicMosaic PrecipPrecip HydroHydro DecisionDecision ProductsProducts ProductsProducts ProductsProducts ProductsProducts Lightning

VerificationVerification UsersUsers

LAPS QPESUMS system displaydisplayQPESUMS

WebWeb--based, easy to accessaccessbased, QPESUMS ProductsQPESUMSProducts  Rain gauge and metrological observationsobservationsRain  Radar mosaic products at 0.0125 degreedegreeRadar resolution and 1010resolution --min update cycle.cycle.min  11--72 hours quantitative precipitation estimationestimation72 (QPE)(QPE)  00--1 hour quantitative precipitation forecastforecast1hour (QPF)(QPF)  DualDual--Doppler wind productsproductsDoppler  00--1 hour pp1hour robability forecastforecastrobability of storm cellscellsof  Real time lightning display and 11Real --72 hourshours72 lightning frequencyfrequencylightning Surface observationsSurfaceobservations

Time series of rainfall, wind, temperature, pressure, etc.etc.Time Mosaic reflectivityMosaicreflectivity QPE of 1QPE 1 –– 72 hourshours72

Localized Z (reflectivity)(reflectivity)Localized -- R (rain rate) relationshipR(rain relationship Hybrid reflectivity Hourly rain rate

1- and 3-h acc

6- to 72-h acc Rainfall information over the area without rain gaugegaugeRainfall Rain gauge corrected radar QPEQPERain

00--24 hrs QPE+gaugeQPE+gauge24hrs 00--24 hrs QPEQPE24hrs

0-24 hrs gauge obs Finer and more reasonable QPE over landlandFiner 00--1h1h QPFQPF

Tracking

Tracking

Update every 10 minminUpdate  DualDual--Doppler analyses (7 sets)sets)Doppler 

+  RCWF    + RCCK +  RCHL +   RCMK + RCCG     + RCKT DualDual--Doppler windwindDoppler

Typhoon Meranti (2010)(2010) (2010)(2010)Typhoon

Wind fields at different altitudesaltitudesWind => circulation center over ocean and landland=> DualDual--Doppler windwindDoppler

Typhoon Nanmadol (2011)(2011)Typhoon

Monitoring rain band movement & intensity changechangeMonitoring Lightning frequencyLightningfrequency

Identifying the intensity of convection & rainfallrainfallIdentifying 1 hr Invading Probability ForecastForecast1hr for Storm Cells and Downstream ApplicationsApplicationsfor

Lightning Data

Storm Cell Invading Probability Town-based Storm Cell Invading Probability Short Message Service (SMS) Integrated Products from RadarRadarIntegrated , Satellites, and CWB Best TrackTrack,Satellites, Customizations of QPESUMS systemsystemCustomizations

•• Customized webwebCustomized --page and associated GIS informationinformationpage •• QPE and 00QPE --1 QPF according to users’ managementmanagement1QPF •• Early warning products forforEarly the for the high risk areas ororthe routes for users’ risk managementmanagementroutes

•• Grid rainfall data support to the applications of users’users’Grid downstream operation systemsystemdownstream

•• Usage training for the customized productsproductsUsage Highway RainfallRainfallHighway (Taiwan Railways Administration)Administration)(Taiwan Warning for the High Risk MountainMountainWarning Highway Sections and BridgesBridgesHighway

Key BridgesBridgesKey

Key HighwaysHighwaysKey

Early warning, warning, and action three levels, with accordingaccordingEarly threshold rainfall indices.indices.threshold Railway RainfallRainfallRailway (Taiwan Railways Administration)Administration)(Taiwan QPESUMS products with HighwayHighwayQPESUMS Associated GIS OverlayOverlayAssociated QPESUMS products with RailwayRailwayQPESUMS Associated GIS OverlayOverlayAssociated Railway Rainfall According totoRailway Stations and MileagesMileagesStations

Mileage RainfallRainfallMileage

Station RainfallRainfallStation Railway Line RainfallRainfallRailway Freeway RainfallRainfallFreeway (Taiwan Area National Freeway Bureau ))(Taiwan Freeway Rainfall According totoFreeway MileagesMileages

Google Map DisplayDisplayGoogle

Mileages RainfallRainfallMileages DebrisDebris--flow RainfallRainfallflow (Soil and Water Conservation Bureau)Bureau)(Soil

Filter with CountryCountryFilter

Filter with CountyCountyFilter Future workworkFuture

 Continuous improvements on the radar reflectivity andandContinuous velocity QCQCvelocity

 Developments on the ddDevelopments ualual--polarization QPE andandpolarization hydrometeor classificationclassificationhydrometeor

 Developments on the towntownDevelopments --based storm cell probabilityprobabilitybased forecast and associated downstream applicationsapplicationsforecast

 Developments on the applications of dual Doppler retrievalretrievalDevelopments winds for typhoonstyphoonswinds

 ContinuouslyContinuously popularize the usages and customizations ofofpopularize QPESUMS system to the government agencies.agencies.QPESUMS The application of dual Doppler retrievalretrievalThe winds for typhoonstyphoonswinds –– Typhoon trackingTyphoontracking TyphoonTyphoon FanapiFanapi (2010) before landfalllandfall(2010) TyphoonTyphoon FanapiFanapi (2010) during landfalllandfall(2010) TyphoonTyphoon FanapiFanapi (2010) recognizedrecognized(2010) TyphoonTyphoon FanapiFanapi (2010) departuredeparture(2010) from landlandfrom Thanks for your attention !!!!Thanks