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NCEP Products Inventory
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National Water Model Products
Updated: 2/05/2018

NWM Analysis Products
NWM Short Range Products
NWM Medium Range Products
NWM Long Range Products
USGS Observations
* NWM Website

    On the NCEP ftp server:
    ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/nwm/prod
    via anonymous ftp.

    TIN/SCN History:
    TIN 16-30, v1.0
    SCN 17-41, v1.1
    SCN 18-16, v1.2
    YYYY-mm-dd_hh:nn is Year, Month, Day, Hour, and Minute (USGS Timeslice files only)
    CC is the model cycle runtime (i.e. 00, 06, 12, 18)
    MM is the forecast lookback period (i.e. 00, 01, 02)
    FFF is the forecast hour (i.e. 000, 006, 012, 018, etc)
    MEM is the long range forecast member (i.e. 1, 2, 3, 4)
    Click on the links under Inventory to see the file's contents.


NWM Analysis and Assimilation

DESCRIPTION
NCEP FTP SERVER
File Name
Analysis and Assimilation   prefix: analysis_assim/nwm.tCCz.analysis_assim
  WCOSS Filename Inventory
Point-type Channel Routing
1km gridded Land Output
Point-type Reservoir Output
250m gridded Terrain Routing
prefix.channel_rt.tmMM.conus.nc
prefix.land.tmMM.conus.nc
prefix.reservoir.tmMM.conus.nc
prefix.terrain_rt.tmMM.conus.nc
Inventory
Inventory
Inventory
Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.analysis_assim.channel_rt.tmMM.conus.nc
 nwm.tCCz.analysis_assim.land.tmMM.conus.nc
 nwm.tCCz.analysis_assim.reservoir.tmMM.conus.nc
 nwm.tCCz.analysis_assim.terrain_rt.tmMM.conus.nc
Analysis and Assimilation   prefix: forcing_analysis_assim/nwm.tCCz.analysis_assim
  WCOSS Filename Inventory
1km Gridded Forcing Data
prefix.forcing.tmMM.conus.nc Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.analysis_assim.forcing.tmMM.conus.nc

NWM Short Range

DESCRIPTION
NCEP FTP SERVER
File Name
Short Range Forecasts   prefix: short_range/nwm.tCCz.short_range
  WCOSS Filename Inventory
Point-type Channel Routing
1km gridded Land Output
Point-type Reservoir Output
250m gridded Terrain Routing
prefix.channel_rt.fFFF.conus.nc
prefix.land.fFFF.conus.nc
prefix.reservoir.fFFF.conus.nc
prefix.terrain_rt.fFFF.conus.nc
Inventory
Inventory
Inventory
Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.short_range.channel_rt.fFFF.conus.nc
 nwm.tCCz.short_range.land.fFFF.conus.nc
 nwm.tCCz.short_range.reservoir.fFFF.conus.nc
 nwm.tCCz.short_range.terrain_rt.fFFF.conus.nc
Short Range Forcing   prefix: forcing_short_range/nwm.tCCz.short_range
  WCOSS Filename Inventory
1km Gridded Forcing Data
prefix.forcing.fFFF.conus.nc Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.short_range.forcing.fFFF.conus.nc

NWM Medium Range

DESCRIPTION
NCEP FTP SERVER
File Name
Medium Range Forecasts   prefix: medium_range/nwm.tCCz.medium_range
  WCOSS Filename Inventory
Point-type Channel Routing
1km gridded Land Output
Point-type Reservoir Output
250m gridded Terrain Routing
prefix.channel_rt.fFFF.conus.nc
prefix.land.fFFF.conus.nc
prefix.reservoir.fFFF.conus.nc
prefix.terrain_rt.fFFF.conus.nc
Inventory
Inventory
Inventory
Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.medium_range.channel_rt.fFFF.conus.nc
 nwm.tCCz.medium_range.land.fFFF.conus.nc
 nwm.tCCz.medium_range.reservoir.fFFF.conus.nc
 nwm.tCCz.medium_range.terrain_rt.fFFF.conus.nc
Medium Range Forcing   prefix: forcing_medium_range/nwm.tCCz.medium_range
  WCOSS Filename Inventory
1km Gridded Forcing Data
prefix.forcing.fFFF.conus.nc Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.medium_range.forcing.fFFF.conus.nc

NWM Long Range

DESCRIPTION
NCEP FTP SERVER
File Name
Long Range Forecasts - 4 members
  WCOSS Filename Inventory
  nwm.tCCz.long_range.channel_rt_MEM.fFFF.conus.nc
nwm.tCCz.long_range.land_MEM.fFFF.conus.nc
nwm.tCCz.long_range.reservoir_MEM.fFFF.conus.nc
Inventory
Inventory
Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 nwm.tCCz.long_range.channel_rt_MEM.fFFF.conus.nc
 nwm.tCCz.long_range.land_MEM.fFFF.conus.nc
 nwm.tCCz.long_range.reservoir_MEM.fFFF.conus.nc

USGS Observations

DESCRIPTION
NCEP FTP SERVER
File Name
USGS Timeslices - 15min observations
  WCOSS Filename Inventory
  YYYY-mm-dd_hh:nn:00.15min.usgsTimeSlice.ncdf
Inventory
 Available in netCDF via FTP
 Available in netCDF via HTTP
 YYYY-mm-dd_hh:nn:00.15min.usgsTimeSlice.ncdf
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