WeatherForecastingandtheGlobalPrecipitation.ppt

WeatherForecastingandtheGlobalPrecipitationMissionGlennWhiteGlobalClimateandWeatherModelingBranchEMC/NCEP/NWS/NOAA/DOCGlenn.******@,RussTreadon,JohnLeMarshall,JohnGottschalk,BobKistler,PeteCaplan,NaomiSurgi,DaveBehringer,Hua-LuPan,lobalPrecipitationData-2002Prioritiesforadvancementinmodelingprecipitation--bettererrorestimatesfromproducersandmoreexplicitrequirementsforerrorestimatesfromdataassimilationexperts--municationbetweendataproducers,dataassimilatorsandmodelers--puterresourcestolearnhowtoassimilatenewsatelliteproductsintimelymanner--adequateresourcestoensuredatareachesdataassimilationintimeandinproperform--puterresourcestoimprovemodelphysicstoimproveassimilationofdata,particularlydatarelatedtomoisture --urateprecipestimates(within1mm/dayor20%)--real-timeestimatesofhurricaneintensityandstructure(TPC)-TRMMveryuseful--NESDIS-SAB/ationalPrecipitationPredictionUnit-satelliteprecipestimates–TRMMveryuseful--routineCPCprecipitationproductCMORPH--inputtoglobaldataassimilationformodelinitialconditionsNCAROceanWeatherProductDevelopmentTeamusingTRMMdatatodevelopexpertsystemforaviationweatherhazards,suchastropicalprecipitation,convection,icingMarineforecastsconcernedwithprecipitationeffectonvisibilityINFRARED(NOEYE)TRMMEYEFEATUREINFRAREDTROPICALCYCLONEKENNASATELLITEIMAGERYTRMMhelpedtheNationalHurricaneCenter(1)assessandbetterpredicttheintensity,(2)locatethestorm'scenter,and(3)"see",TMIisusefulsupplementtooperationalSSM/paredtootherinstruments)0-24htropicalprecipitationforecastsSmallpositiveimpactonwindfieldsNoticeable(butnotmajor)racksNESDIS-SAB/ationalPrecipitationPredictionUnit—providesinputtoHPCforecastersseveraltimesadayTRMMusefulsatelliteprecipestimatesfortropicalrainfallpotentialforecasts,rainratesinsignificantweathersys