JRA-25 and JCDAS data elements

May, 2008 updated



Data Category Name
(6-hourly, Monthly)
Element
Name

Element [unit]

AC:Accumlated MN:Mean SNP:Snapshot

Adopted
Levels
Annotation
anl_p/anl_p25
HGTprs Geopotential height [gpm] 23  
  TMPprs Air temperature [K] 23  
  SPFHprs Specific humidity [kg/kg] 12 up to 100hPa
  DEPRprs Dew point depression [K] 8 up to 300hPa
  UGRDprs Zonal wind [m/s] 23  
  VGRDprs Meridional wind [m/s] 23  
  CWATprs Cloud water content [kg/kg] 12 up to 100hPa
  PRMSLmsl Pressure reduced to MSL [Pa] 1  
  TMPsfc Surface 2m air temperature [K] 1  
  SPFHsfc Surface 2m specific humidity [kg/kg] 1  
  DEPRsfc Surface 2m dew point depression [K] 1  
  UGRDsfc Surface 10m zonal wind [m/s] 1  
  VGRDsfc Surface 10m meridional wind [m/s] 1  
         
anl_z/anl_z25
HGTprs Geopotential height [gpm] 23  
  TMPprs Air temperature [K] 23  
  SPFHprs Specific humidity [kg/kg] 12 up to 100hPa
  CWATprs Cloud water content [kg/kg] 12 up to 100hPa
  UGRDprs Zonal wind [m/s] 23  
  VGRDprs Meridional wind [m/s] 23  
  VVELprs Pressure vertical velocity [Pa/s] 23  
  PRESsfc Surface pressure [Pa] 1  
  PRMSLmsl Pressure reduced to MSL [Pa] 1  
  TMPsfc Surface 2m air temperature [K] 1  
  SPFHsfc Surface 2m specific humidity [kg/kg] 1  
  UGRDsfc Surface 10m zonal wind [m/s] 1  
  VGRDsfc Surface 10m meridional wind [m/s] 1  
         
ges_p/ges_p25
HGTprs Geopotential height [gpm] 23  
  TMPprs Air temperature [K] 23  
  SPFHprs Specific humidity [kg/kg] 12 up to 100hPa
  UGRDprs Zonal wind [m/s] 23  
  VGRDprs Meridional wind [m/s] 23  
  VVELprs Pressure vertical velocity [Pa/s] 23  
  CWATprs Cloud water content [kg/kg] 12 up to 100hPa
  PRMSLmsl Pressure reduced to MSL [Pa] 1  
  TMPsfc Surface 2m air temperature [K] 1  
  DEPRprs Dew point depression [K] 8 up to 300hPa
  DEPRsfc Surface 2m dew point depression [K] 1  
  SPFHsfc Surface 2m specific humidity [kg/kg] 1  
  UGRDsfc Surface 10m zonal wind [m/s] 1  
  VGRDsfc Surface 10m meridional wind [m/s] 1  
         
fcst_phy2m/fcst_phy2m25
CPRATsfc 6-hourly convective precipitation rate [mm/day] MN 1  
  CSDLFsfc Clear sky downward long wave flux at surface [W/m2] MN 1  
  CSDSFsfc Clear sky downward solar flux at surface [W/m2] MN 1  
  CSULFtoa Clear sky upward long wave flux at top [W/m2] MN 1  
  CSUSFsfc Clear sky upward solar flux at surface [W/m2] MN 1  
  CSUSFtoa Clear sky upward solar flux at top [W/m2] MN 1  
  CWATcol Total cloud water [kg/m2] AC 1  
  DISTsfc Model Surface height [m] SNP 1 Constant
  DLWRFsfc Downward long wave radiation flux at surface[W/m2] MN 1  
  DSWRFsfc Downward solar radiation flux at surface [W/m2] MN 1  
  DSWRFtoa Downward solar radiation flux at top [W/m2] MN 1  
  FGLUsfc Zonal momentum flux by long gravity wave [N/m2] MN 1  
  FGLVsfc Meridional momentum flux by long gravity wave [N/m2] MN 1  
  FGSUsfc Zonal momentum flux by short gravity wave [N/m2] MN 1  
  FGSVsfc Meridional momentum flux by short gravity wave [N/m2] MN 1  
  FRQCsfc Frequency of cumulus precipitation[%] 1  
  FRQPsfc Frequency of precipitation [%] 1  
  HCDC High level cloud cover [%] MN 1  
  ICECsfc Ice concentration (ice=1; no ice=0) [1/0] MN 1  
  LCDC Low level cloud cover [%] MN 1  
  LHTFLsfc Latent heat flux [W/m2] MN 1  
  MCDC Mid level cloud cover [%] MN 1  
  LPRATsfc 6-hourly large scale precipitation rate [mm/day] MN 1  
  PRESsfc Surface pressure [Pa] SNP 1  
  PRMSLmsl Mean Pressure reduced to MSL [Pa] SNP 1  
  PRMXsfc Maximum hourly precipitation [mm/hour] 1  
  PWATcol Precipitable water [kg/m2] SNP 1  
  SPFHMsfc Surface specific humidity [kg/kg] MN 1  
  RHsfc Surface relative humidity [%] SNP 1  
  SFCRsfc Surface roughness [m] SNP 1  
  SHTFLsfc Sensible heat flux [W/m2] MN 1  
  SPFHsfc Specific humidity [kg/kg] SNP 1  
  SPFHhbl Specific humidity at the lowest model level [kg/kg] SNP 1  
  SRWEQsfc 6-hourly snowfall rate water equivalent [mm/day] MN 1  
  TCDCcol Total cloud cover [%] MN 1  
  TMAXsfc Surface 2m air maximum temperature [K] 1  
  TMINsfc Surface 2m air minimum temperature [K] 1  
  TMPsfc Surface 2m air temperature [K] SNP 1  
  TMPhbl Temperature at the lowest model level [K] SNP 1  
  TMPMsfc Surface 2m air temperature [K] MN 1  
  TTHMcol Column total of diabatic heat(M) [W/m2] MN 1  
  UFLXsfc Zonal momentum flux by friction [N/m2] MN 1  
  UGRDsfc Surface 10m zonal wind [m/s] SNP 1  
  UGRDhbl Zonal wind at lowest model level [m/s] SNP 1  
  ULWRFsfc Upward long wave radiation flux at surface [W/m2] MN 1  
  ULWRFtoa Upward long wave radiation flux at top [W/m2] MN 1  
  UGRDMsfc Surface 10m zonal wind [m/s] MN 1  
  USWRFsfc Upward solar radiation at surface [W/m2] MN 1  
  USWRFtoa Upward solar radiation at top [W/m2] MN 1  
  UWVcol Column total of zonal water vapor flux [kg/m/s] MN 1  
  VFLXsfc Meridional momentum flux by friction [N/m2] MN 1  
  VGRDsfc Surface 10m meridional wind [m/s] MN 1  
  VGRDhbl Meridional wind at lowest model level [m/s] SNP 1  
  VGRDMsfc Surface 10m meridional wind [m/s] MN 1  
  VTUcol Column total of TU [K*Pa*m/s] MN 1  
  VTVcol Column total of TV [K*Pa*m/s] MN 1  
  VWVcol Column total of meridional water vapor flux [kg/m/s] MN 1  
  WSMXsfc Surface 10m maximum surface wind [m/s] 1  
  WSMXhbl Maximum surface wind at the lowest model level [m/s] 1  
  WTMPsfc SST and sea ice surface temperature [K] MN 1  
         
anl_land/anl_land25
TSGsfc Ground temperature [K] 1  
  SoilWhbl Soil wetness [fraction] 3  
  TSCsfc Canopy temperature [K] 1  
  SoilTcol Soil temperature [K] 1  
  SnWesfc Water equivalent snow depth [m] 1 by SiB
         
fcst_phyland
TSCsfc Canopy temperature [K] SNP 1  
  TSGsfc Ground temperature [K] SNP 1  
  SoilTcol Soil temperature [K] SNP 1  
  GFLXsfc Ground heat flux [W/m2] MN 1  
  MSGsfc Ground water content [mm] SNP 1  
  MSCsfc Canopy water content [mm] SNP 1  
  SoilWhbl Soil water content [mm] SNP 3  
  LTRSsfc Evapotranspiration [W/m2] MN 1  
  LINTsfc Interception loss [W/m2] MN 1  
  ROFsfc Surface runoff [mm/day] MN 1  
         
anl_snow106_mdl/anl_snow25
SnowD Snow Depth [m] 1 by snow analysis
         
anl_chipsi/anl_chipsi25
RELDprs Divergence [/s] 23  
  RELVprs Relative vorticity [/s] 23  
  STRMprs Stream function [m2/s] 23  
  VPOTprs Velocity potential [m2/s] 23  
  VVELprs Pressure vertical velocity [Pa/s] 23  
  PRESsfc surface Pressure [Pa] 1  
  RELDsfc surface Relative divergence [/s] 1  
  RELVsfc surface Relative vorticity [/s] 1  
  STRMsfc surface Stream function [m2/s] 1  
  VPOTsfc surface Velocity potential [m2/s] 1  
         
anl_isentrop/anl_isentrop25
BVF2tht Sqaure of Brunt-Vaisala frequency [1/s2] 20  
  HGTtht Geopotential height [gpm] 20  
  MNTSFtht Montgomery stream function [m2/s2] 20  
  POTsfc surface Potential temperature [K] 1  
  SPFHtht Specific humidity [kg/kg] 14  
  TMPtht Temperature [K] 20  
  UGRDtht u wind [m/s] 20  
  VGRDtht v wind [m/s] 20  
  VVELtht Pressure vertical velocity [Pa/s] 20  
  pVORtht potential vorticity [PVU] 20  
         
fcst_phy3m
ADVHRhbl Advective heating rate [K/day] MN 40  
  ADVMRhbl Advective Moistening rate [kg/kg/day] MN 40  
  ADVUAhbl Advective zonal acceleration [m/s/day] MN 40  
  ADVVAhbl Advective meridional acceleration [m/s/day] MN 40  
  CNVHRhbl Convective heating rate [k/day] MN 40  
  CNVMRhbl Convective moistening rate [kg/kg/s] MN 40  
  CNVUAhbl Convective zonal acceleration [m/s/day] MN 40  
  CNVVAhbl Convective meridional acceleration [m/s/day] MN 40  
  CWAThbl Cloud water content [kg/kg] MN 40  
  CWORKhbl Cloud work function [J/kg] MN 40  
  GWDUAhbl Gravity wave zonal acceleration [m/s/day] MN 40  
  GWDVAhbl Gravity wave meridional acceleration [m/s/day] MN 40  
  HGThbl Mean geopotential height [m] MN 40  
  LRGHRhbl Large scale condensation heating rate [K/day] MN 40  
  LRGMRhbl Large scale moistening rate [kg/kg/day] MN 40  
  LWHRhbl Longwave radiative heating rate [K/day] MN 40  
  MFLUXhbl Upward mass flux [kg/m2/s] 40  
  MFLXBhbl Upward mass flux at cloud base [kg/m2/s] MN 40  
  OZONEhbl ozone mixing ratio [mg/kg] SNP 40  
  PRESsfc Surface pressure [Pa] SNP 1  
  PRESMsfc Surface pressure [Pa] MN 1  
  SPFHMhbl Mean specific humidity [kg/kg] MN 40  
  SWHRhbl Solar radiative heating rate [k/day] MN 40  
  TCDChbl Cloud cover [%] MN 40  
  TMPMhbl Mean temperature [K] MN 40  
  UGRDMhbl Mean zonal wind [m/s] MN 40  
  VDFHRhbl Vertical diffusion heating rate [K/day] MN 40  
  VDFMRhbl Vertical diffusion moistening rate [kg/kg/day] MN 40  
  VDFUAhbl Vertical diffusion zonal acceleration [m/s/day] MN 40  
  VDFVAhbl Vertical diffusion meridional acceleration [m/s/day] MN 40  
  VGRDMhbl Mean meridional wind [m/s] MN 40  
  VVELMhbl Mean pressure vertical velocity [Pa/s] MN 40  
         
fcst_phy3m25
ADVHRhbl Advective heating rate [K/day] MN 23  
  ADVMRhbl Advective Moistening rate [kg/kg/day] MN 23  
  ADVUAhbl Advective zonal acceleration [m/s/day] MN 23  
  ADVVAhbl Advective meridional acceleration [m/s/day] MN 23  
  CNVHRhbl Convective heating rate [k/day] MN 23  
  CNVMRhbl Convective moistening rate [kg/kg/s] MN 23  
  CNVUAhbl Convective zonal acceleration [m/s/day] MN 23  
  CNVVAhbl Convective meridional acceleration [m/s/day] MN 23  
  CWAThbl Cloud water content [kg/kg] MN 23  
  CWORKhbl Cloud work function [J/kg] MN 23  
  GWDUAhbl Gravity wave zonal acceleration [m/s/day] MN 23  
  GWDVAhbl Gravity wave meridional acceleration [m/s/day] MN 23  
  HGThbl Mean geopotential height [m] MN 23  
  LRGHRhbl Large scale condensation heating rate [K/day] MN 23  
  LRGMRhbl Large scale moistening rate [kg/kg/day] MN 23  
  LWHRhbl Longwave radiative heating rate [K/day] MN 23  
  MFLUXhbl Upward mass flux [kg/m2/s] 23  
  MFLXBhbl Upward mass flux at cloud base [kg/m2/s] MN 23  
  OZONEhbl ozone mixing ratio [mg/kg] SNP 23  
  PRESsfc Surface pressure [Pa] SNP 1  
  PRESMsfc Surface pressure [Pa] MN 1  
  SPFHMhbl Mean specific humidity [kg/kg] MN 23  
  SWHRhbl Solar radiative heating rate [k/day] MN 23  
  TCDChbl Cloud cover [%] MN 23  
  TMPMhbl Mean temperature [K] MN 23  
  UGRDMhbl Mean zonal wind [m/s] MN 23  
  VDFHRhbl Vertical diffusion heating rate [K/day] MN 23  
  VDFMRhbl Vertical diffusion moistening rate [kg/kg/day] MN 23  
  VDFUAhbl Vertical diffusion zonal acceleration [m/s/day] MN 23  
  VDFVAhbl Vertical diffusion meridional acceleration [m/s/day] MN 23  
  VGRDMhbl Mean meridional wind [m/s] MN 23  
  VVELMhbl Mean pressure vertical velocity [Pa/s] MN 23  
         
anl_mdl
HGThbl Geopotential height [gpm] 40  
  TMPhbl Air temperature [K] 40  
  SPFHhbl Specific humidity [kg/kg] 40  
  UGRDhbl Zonal wind [m/s] 40  
  VGRDhbl Meridional wind [m/s] 40  
  VVELhbl Pressure vertical velocity [Pa/s] 40  
  CWAThbl Cloud water content [kg/kg] 40  
  DISTsfc Model surface height [m] 1 Constant
  PRESsfc Surface pressure [Pa] 1  
  TMPsfc Surface 2m air temperature [K] 1  
  SPFHsfc Surface 2m specific humidity [kg/kg] 1  
  RHsfc Surface 2m relative humidity [%] 1  
  UGRDsfc Surface 10m zonal wind [m/s] 1  
  VGRDsfc Surface 10m meridional wind [m/s] 1  
  PWATcol Precipitable water [kg/m2] 1  
  UWVcol Column total of zonal water vapor flux [kg/m/s] 1  
  VWVcol Column total of meridional water vapor flux [Kg/m/s] 1  
         
fcst_mdl
CWAThbl Cloud water content [kg/kg] 40  
  HGThbl Geopotential height [gpm] 40  
  SPFHhbl Specific humidity [kg/kg] 40  
  TMPhbl Air temperature [K] 40  
  UGRDhbl Zonal wind [m/s] 40  
  VGRDhbl Meridional wind [m/s] 40  
  VVELhbl Pressure vertical velocity [Pa/s] 40  
  MFLXBhbl Upward mass flux at cloud base [kg/m2/s] 40  
  PRESsfc Surface pressure [Pa] 1  
  TMPsfc Surface 2m air temperature [K] 1  
  SPFHsfc Surface 2m specific humidity [kg/kg] 1  
  UGRDsfc Surface 10m zonal wind [m/s] 1  
  VGRDsfc Surface 10m meridional wind [m/s] 1  
  TPRATsfc 6-hourly total precipitation rate [mm/6hour] 1  
  SEWsfc Surface snowfall rate water equiv. [kg/m2/s] 1  
  WTMPsfc surface Water temp. [K] 1  
         
ges_mdl
HGThbl Geopotential height [gpm] 40  
  TMPhbl Air temperature [K] 40  
  SPFHhbl Specific humidity [kg/kg] 40  
  RHhbl Relative humidity [fraction] 40  
  UGRDhbl Zonal wind [m/s] 40  
  VGRDhbl Meridional wind [m/s] 40  
  VVELhbl Pressure vertical velocity [Pa/s] 40  
  CWAThbl Cloud water content [kg/kg] 40  
  DISTsfc Model surface height [m] 1 Constant
  PRESsfc Surface pressure [Pa] 1  
  PRMSLmsl Pressure reduced to MSL [Pa] 1  
  TMPsfc Surface 2m air temperature [K] 1  
  SPFHsfc Surface 2m specific humidity [kg/kg] 1  
  RHsfc Surface 2m relative humidity [%] 1  
  UGRDsfc Surface 10m zonal wind [m/s] 1  
  VGRDsfc Surface 10m meridional wind [m/s] 1  
         


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