NCEP资料(时、日、月)下载及说明路径:分时资料:日平均资料:月平均资料:一、分时资料地面分时资料下载路径:,1948年至今,2.5×2.5类型文件名变量名单位文件大小气温air.sig995.YYYY.nc4xDailyAirtemperatureatsigmalevel995degK29.2MB抬升指数lftx.sfc.YYYY.nc4xDailySurfaceLiftedIndexdegK29.2MB最佳抬升指数lftx4.sfc.YYYY.nc4xDailyBest(4-layer)LiftedIndexdegK29.2MB上升速度omega.sig995.YYYY.nc4xDailyomegaatsurfacePascal/s29.2MB潜在温度pottmp.sig995.YYYY.nc4xDailypotentialtemperatureatsigmalevel995degK29.2MB大气可降水pr_wtr.eatm.YYYY.nc4xDailyPrecipitableWaterforentireatmospherekg/m^229.2MB本站气压pres.sfc.YYYY.nc4xDailyPressureatsurfacePascals29.2MB相对湿度rhum.sig995.YYYY.nc4xDailyrelativehumidityatsigmalevel995%29.2MB海平面气压slp.YYYY.nc4xDailySeaLevelPressurePascals29.2MB风速(u分量)uwnd.sig995.YYYY.nc4xDailyu-windatsigmalevel995m/s29.2MB风速(v分量)vwnd.sig995.YYYY.nc4xDailyv-windatsigmalevel995m/s29.2MB注:文件命中YYYY代表年份,下同。高空分时日资料下载:,1948年至今,2.5×2.5类型文件名变量名单位文件大小气温air.YYYY.nc4xDailyAirtemperaturedegK499MB位势高度hgt.YYYY.nc499MB上升速度omega.YYYY.ncPascal/s351MB相对湿度rhum.YYYY.nc%234MB绝对湿度shum.YYYY.nc4xDailyspecifichumiditykg/kg234MB风速(u分量)uwnd.YYYY.ncm/s497MB风速(v分量)vwnd.YYYY.ncm/s497MB二、日平均资料地面日资料下载路径:至今,2.5×2.5类型文件名变量名单位文件大小气温air.sig995.YYYY.ncmeanDailyAirtemperatureatsigmalevel995degK抬升指数lftx.sfc.YYYY.ncmeanDailySurfaceLiftedIndexdegK最佳抬升指数lftx4.sfc.YYYY.ncmeanDailyBest(4-layer)LiftedIndexdegK上升速度omega.sig995.YYYY.ncmeanDailyomegaatsurfacePascal/s潜在温度pottmp.sig995.YYYY.ncmeanDailypotentialtemperatureatsigmalevel995degK大气可降水pr_wtr.eatm.YYYY.ncmeanDailyPrecipitableWaterforentireatmospherekg/m^2本站气压pres.sfc.YYYY.ncmeanDailyPressureatsurfacePascals相对湿度rhum.sig995.YYYY.ncmeanDailyrelativehumidityatsigmalevel995%海平面气压slp.YYYY.ncmeanDailySeaLevelPressurePascals风速(u分量)uwnd.sig995.YYYY.ncmeanDailyu-windatsigmalevel995m/s风速(v分量)vwnd.sig995.YYYY.ncmeanDailyv-windatsigmalevel995m/s高空日资料下载路径:至今,2.5×2.5类型文件名变量名单位文件大小层次气温air.YYYY.ncmeanDailyAirtemperaturedegK124MB17位势高度hgt.YYYY.ncmeanDailyGeopotentialheightm124MB17上升速度omega.YYYY.ncmeanDailyOmegaPascal/s87.8MB12相对湿度rhum.YYYY.ncmeanDailyrelativehumidity%58.5MB8绝对湿度shum.YYYY.ncmeanDailyspecifichumiditykg/kg58.5MB8风速(u分量)uwnd.YYYY.ncmeanDailyU-windm/s58.5MB17风速(v分量)vwnd.YYYY.ncmeanDailyVwindm/s58.5MB17注:17层(1000、925、850、700、600、500、400、300、250、200、150、100、70、50、30、20、10hPa)12层(1000、925、850、700、600、500、400、300、250、200、150、100hPa)8层(1000、925、850、700、600、500、400、300hPa)三、月平均资料地面月平均资料下载路径:至今,2.5×2.5类型文件名变量名单位文件大小气温air.mon.mean.ncMonthlyMeanAirTemperaturedegK30.4MB大气可降水pr_wtr.mon.mean.ncMonthlyMeanofPrecipitableWaterContentkg/m^230.4MB本站气压pres.mon.mean.ncMonthlyMeanofSurfacePressurePascals30.4MB相对湿度rhum.mon.mean.ncMonthlyMeanofRelativeHumidity%30.4MB海平面气压slp.mon.mean.ncSeaLevelPressurePascals30.4MB风速(u分量)uwnd.mon.mean.ncMonthlysurfacezonalwindm/s30.4MB风速(v分量)vwnd.mon.mean.ncMonthlysurfacemeridionalwindm/s30.4MB风速wspd.mon.mean.ncMonthlysurfacewindspeedm/s30.4MB高空日资料下载路径:至今,2.5×2.5类型文件名变量名单位其他气温air.mon.mean.ncMonthlyMeanAirTemperaturedegK17层位势高度hgt.mon.mean.nc上升速度omega.mon.mean.nc相对湿度rhum.mon.mean.ncshum.mon.mean.nc风速(u分量)uwnd.mon.mean.ncm/s风速(v分量)vwnd.mon.mean.ncm/swspd.mon.mean.ncpottmp.mon.mean.ncNCEP/NCARReanalysis1:SummaryOne-LineDescription:*NCEP/NCARReanalysis1TemporalCoverage:*4-timesdaily,dailyandmonthlyvaluesfor1948/01/01topresent*Longtermmonthlymeans,derivedfromdataforyears1968-1996SpatialCoverage:*GlobalGridsLevels:*17Pressureleveland28sigmalevels.N/AUpdateSchedule:*DailyWehaveseparatedthedatadocumentationintosevensections:*Pressurelevel*Surface*SurfaceFluxes*OtherFluxes*Tropopause*DerivedData*SpectralCoefficientsUsageRestrictions:*NoneDetailedDescription:*TheNCEP/NCARReanalysis1projectisusingastate-of-the-artanalysis/forecastsystemtoperformdataassimilationusingpastdatafrom1948tothepresent.AlargesubsetofthisdataisavailablefromPSDinitsoriginal4timesdailyformatandasdailyaverages.However,thedatafrom1948-1957isalittledifferent,intheregular(non-Gaussian)griddeddata.Thatdatawasdoneat8timesdailyinthemodel,becausetheinputsavailableinthaterawereavailableat3Z,9Z,15Z,and21Z,whereasthe4xdailydatahasbeenavailableat0Z,6Z,12Z,and18Z.Theselattertimeswereforecastedandthecombinedresultforthisearlyerais8xdaily.Thelocalingestionprocesstookonlythe0Z,6Z,12Z,and18Zforecastedvalues,andthusonlythosewereusedtomakethedailytimeseriesandmonthlymeanshere.Caveats:*Pleasereadtheproblemlistbeforeusingthedata.RelatedFileNaming&StructureInformation:FileNames:*Seeindividualsections.Datain/Datasets/ncep.reanalysis/,Datasets