NOAA NWS DOC Skip Naviagation Links
NWS Central Operations
National Oceanic and Atmospheric Administration

NWS > NCO > IDSB > NCEP Product Inventory > CFS Products

Climate Forecast System (CFS) Products

Updated: 06/04/2026

Version 2

Time Series
6 Hourly
Monthly Means

    *Documentation on CFS

 

Click the filename to get an inventory of the file.

    YYYYMMDDHH is the initial date.
    xx is member 01, 02, 03 or 04

 

CFS has 5 types of files:
        FLXF, PGBF, OCNH, OCNF, & IPVF.

 

    Level 1 Data (6hrly_grib_##): created every 6 hours for each type

    Level 2 Data (monthly_grib_##): created every 6 hours and a daily average for each type
    Level 3 Data (time_grib_##): 6 hourly timeseries of 98 selected variables for FLXF, PGBF, OCNH, & IPVF

 

    Click on the links under Inventory to see the file's contents.
    Use as a guide when selecting specific parameters from NOMADS.

 
DESCRIPTION Availability on
NCEP FTP SERVER
File Name 		Availability on
NWS FTP SERVER
File Name

Time Series

3-D Ocean Data 0.5 degree

CFS Ocean Height
  Filename Inventory
Sea Level Height ocnslh.xx.YYYYMMDDHH.daily.grb2 6hrly
Mixed Layer Depth ocnmld.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ocnslh.xx.YYYYMMDDHH.daily.grb2
 ocnmld.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Ocean Depth of Isotherm
  Filename Inventory
Surface Isothermal Layer Depth ocnsild.xx.YYYYMMDDHH.daily.grb2 6hrly
2.5 Celsius ocndt2.5c.xx.YYYYMMDDHH.daily.grb2 6hrly
5 Celsius ocndt5c.xx.YYYYMMDDHH.daily.grb2 6hrly
10 Celsius ocndt10c.xx.YYYYMMDDHH.daily.grb2 6hrly
15 Celsius ocndt15c.xx.YYYYMMDDHH.daily.grb2 6hrly
20 Celsius ocndt20c.xx.YYYYMMDDHH.daily.grb2 6hrly
25 Celsius ocndt25c.xx.YYYYMMDDHH.daily.grb2 6hrly
28 Celsius ocndt28c.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ocnsild.xx.YYYYMMDDHH.daily.grb2
 ocndt2.5c.xx.YYYYMMDDHH.daily.grb2
 ocndt5c.xx.YYYYMMDDHH.daily.grb2
 ocndt10c.xx.YYYYMMDDHH.daily.grb2
 ocndt15c.xx.YYYYMMDDHH.daily.grb2
 ocndt20c.xx.YYYYMMDDHH.daily.grb2
 ocndt25c.xx.YYYYMMDDHH.daily.grb2
 ocndt28c.xx.YYYYMMDDHH.daily.grb2 		Not Available
CFS Ocean Temperature
  Filename Inventory
Temperature at Depth 5 Meters ocnsst.xx.YYYYMMDDHH.daily.grb2 6hrly
Potential Temperature 15m Below ocnt15.xx.YYYYMMDDHH.daily.grb2 6hrly
Heat Content ocnheat.xx.YYYYMMDDHH.daily.grb2 6hrly
Tropical Cyclone Heat Potential ocntchp.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ocnsst.xx.YYYYMMDDHH.daily.grb2
 ocnt15.xx.YYYYMMDDHH.daily.grb2
 ocnheat.xx.YYYYMMDDHH.daily.grb2
 ocntchp.xx.YYYYMMDDHH.daily.grb2 		Not Available
CFS Ocean Salinity
  Filename Inventory
5m Below Sea Level ocnsal5.xx.YYYYMMDDHH.daily.grb2 6hrly
15m Below Sea Level ocnsal15.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ocnsal5.xx.YYYYMMDDHH.daily.grb2
 ocnsal15.xx.YYYYMMDDHH.daily.grb2 		Not Available
CFS Ocean Current
  Filename Inventory
U Component 5m Below ocnu5.xx.YYYYMMDDHH.daily.grb2 6hrly
U Component 15m Below ocnu15.xx.YYYYMMDDHH.daily.grb2 6hrly
V Component 5m Below ocnv5.xx.YYYYMMDDHH.daily.grb2 6hrly
V Component 15m Below ocnv15.xx.YYYYMMDDHH.daily.grb2 6hrly
Vertical Velocity 55m Below ocnvv55.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ocnu5.xx.YYYYMMDDHH.daily.grb2
 ocnu15.xx.YYYYMMDDHH.daily.grb2
 ocnv5.xx.YYYYMMDDHH.daily.grb2
 ocnv15.xx.YYYYMMDDHH.daily.grb2
 ocnvv55.xx.YYYYMMDDHH.daily.grb2 		Not Available

3-D Pressure Level Data 0.5 degree

CFS Downward Radiation at the Surface
  Filename Inventory
Long Wave dlwsfc.xx.YYYYMMDDHH.daily.grb2 6hrly
Short Wave dswsfc.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 dlwsfc.xx.YYYYMMDDHH.daily.grb2
 dswsfc.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Upward Radiation at the Surface
  Filename Inventory
Long Wave ulwsfc.xx.YYYYMMDDHH.daily.grb2 6hrly
Short Wave uswsfc.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ulwsfc.xx.YYYYMMDDHH.daily.grb2
 uswsfc.xx.YYYYMMDDHH.daily.grb2 		Not Available
CFS Upward Radiation at the Top of the Atmosphere
  Filename Inventory
Long Wave ulwtoa.xx.YYYYMMDDHH.daily.grb2 6hrly
Short Wave uswtoa.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 ulwtoa.xx.YYYYMMDDHH.daily.grb2
 uswtoa.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Heat Flux
  Filename Inventory
Latent lhtfl.xx.YYYYMMDDHH.daily.grb2 6hrly
Sensible shtfl.xx.YYYYMMDDHH.daily.grb2 6hrly
Ground gflux.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 lhtfl.xx.YYYYMMDDHH.daily.grb2
 shtfl.xx.YYYYMMDDHH.daily.grb2
 gflux.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Visible Diffuse Downward Solar Flux
  Filename Inventory
  vddsf.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 vddsf.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Near IR Diffuse Downward Solar Flux
  Filename Inventory
  nddsf.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 nddsf.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Near IR Diffuse Downward Solar Flux
  Filename Inventory
  nddsf.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 nddsf.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Clear Sky Solar Flux
  Filename Inventory
Upward csusf.xx.YYYYMMDDHH.daily.grb2 6hrly
Downward csdsf.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 csusf.xx.YYYYMMDDHH.daily.grb2
 csdsf.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Clear Sky Downward Long Wave Flux
  Filename Inventory
  csdlf.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 csulf.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Stream Function
  Filename Inventory
PSI 850 psi850.xx.YYYYMMDDHH.daily.grb2 6hrly
PSI 200 psi200.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 psi850.xx.YYYYMMDDHH.daily.grb2
 psi200.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Pressure
  Filename Inventory
Mean Sea Level prmsl.xx.YYYYMMDDHH.daily.grb2 6hrly
Surface pressfc.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 prmsl.xx.YYYYMMDDHH.daily.grb2
 pressfc.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Geopotential Height
  Filename Inventory
1000 hPa z1000.xx.YYYYMMDDHH.daily.grb2 6hrly
850 hPa z850.xx.YYYYMMDDHH.daily.grb2 6hrly
700 hPa z700.xx.YYYYMMDDHH.daily.grb2 6hrly
500 hPa z500.xx.YYYYMMDDHH.daily.grb2 6hrly
200 hPa z200.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 z1000.xx.YYYYMMDDHH.daily.grb2
 z850.xx.YYYYMMDDHH.daily.grb2
 z700.xx.YYYYMMDDHH.daily.grb2
 z500.xx.YYYYMMDDHH.daily.grb2
 z200.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Zonal and Meridional Wind
  Filename Inventory
Stress at Surface wndstrs.xx.YYYYMMDDHH.daily.grb2 6hrly
10 Meters wnd10m.xx.YYYYMMDDHH.daily.grb2 6hrly
1000 Hpa wnd1000.xx.YYYYMMDDHH.daily.grb2 6hrly
925 hPa wnd925.xx.YYYYMMDDHH.daily.grb2 6hrly
850 hPa wnd850.xx.YYYYMMDDHH.daily.grb2 6hrly
700 hPa wnd700.xx.YYYYMMDDHH.daily.grb2 6hrly
250 hPa wnd250.xx.YYYYMMDDHH.daily.grb2 6hrly
200 hPa wnd200.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via HTTPS
 wndstrs.xx.YYYYMMDDHH.daily.grb2
 wnd10m.xx.YYYYMMDDHH.daily.grb2
 wnd1000.xx.YYYYMMDDHH.daily.grb2
 wnd925.xx.YYYYMMDDHH.daily.grb2
 wnd250.xx.YYYYMMDDHH.daily.grb2
 wnd850.xx.YYYYMMDDHH.daily.grb2
 wnd700.xx.YYYYMMDDHH.daily.grb2
 wnd250.xx.YYYYMMDDHH.daily.grb2
 wnd200.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Temperature
  Filename Inventory
Surface tmpsfc.xx.YYYYMMDDHH.daily.grb2 6hrly
2 Meters tmp2m.xx.YYYYMMDDHH.daily.grb2 6hrly
1000 hPa t2.xx.YYYYMMDDHH.daily.grb2 6hrly
850 hPa t850.xx.YYYYMMDDHH.daily.grb2 6hrly
700 hPa t700.xx.YYYYMMDDHH.daily.grb2 6hrly
500 hPa t500.xx.YYYYMMDDHH.daily.grb2 6hrly
250 hPa t250.xx.YYYYMMDDHH.daily.grb2 6hrly
200 hPa t200.xx.YYYYMMDDHH.daily.grb2 6hrly
50 hPa t50.xx.YYYYMMDDHH.daily.grb2 6hrly
2 hPa t2.xx.YYYYMMDDHH.daily.grb2 6hrly
Minimum Temperature 2 Meters Above tmin.xx.YYYYMMDDHH.daily.grb2 6hrly
Maximum Temperature 2 Meters Above tmax.xx.YYYYMMDDHH.daily.grb2 6hrly
Temperature at Hybrid Level 1 tmphy1.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 tmpsfc.xx.YYYYMMDDHH.daily.grb2
 tmp2m.xx.YYYYMMDDHH.daily.grb2
 t1000.xx.YYYYMMDDHH.daily.grb2
 t850.xx.YYYYMMDDHH.daily.grb2
 t700.xx.YYYYMMDDHH.daily.grb2
 t500.xx.YYYYMMDDHH.daily.grb2
 t250.xx.YYYYMMDDHH.daily.grb2
 t200.xx.YYYYMMDDHH.daily.grb2
 t50.xx.YYYYMMDDHH.daily.grb2
 t2.xx.YYYYMMDDHH.daily.grb2
 tmin.xx.YYYYMMDDHH.daily.grb2  tmax.xx.YYYYMMDDHH.daily.grb2
 tmphy1.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Specific Humidity
  Filename Inventory
2 meters q2m.xx.YYYYMMDDHH.daily.grb2 6hrly
925 hPa q925.xx.YYYYMMDDHH.daily.grb2 6hrly
850 hPa q850.xx.YYYYMMDDHH.daily.grb2 6hrly
700 hPa q700.xx.YYYYMMDDHH.daily.grb2 6hrly
500 hPa q500.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 q2m.xx.YYYYMMDDHH.daily.grb2
 q925.xx.YYYYMMDDHH.daily.grb2
 q850.xx.YYYYMMDDHH.daily.grb2
 q700.xx.YYYYMMDDHH.daily.grb2
 q500.xx.YYYYMMDDHH.daily.grb2
 
CFS Velocity Potential
  Filename Inventory
850 hPa chi850.xx.YYYYMMDDHH.daily.grb2 6hrly
200 hPa chi200.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 chi850.xx.YYYYMMDDHH.daily.grb2
 chi200.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Total Cloud Cover
  Filename Inventory
  tcdcclm.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 tcdcclm.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Precipitation
  Filename Inventory
Total Rate prate.xx.YYYYMMDDHH.daily.grb2 6hrly
Convective Rate cprat.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 prate.xx.YYYYMMDDHH.daily.grb2
 cprat.xx.YYYYMMDDHH.daily.grb2
Not Available
CFS Precipitable Water
  Filename Inventory
  pwat.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 pwat.xx.YYYYMMDDHH.daily.grb2
 Not Available
CFS Water Equivalent of Accumulated Snow Depth
  Filename Inventory
  weasd.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 weasd.xx.YYYYMMDDHH.daily.grb2
 Not Available
CFS Ice
  Filename Inventory
Surface Thickness icethk.xx.YYYYMMDDHH.daily.grb2 6hrly
Surface Cover icecon.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 icethk.xx.YYYYMMDDHH.daily.grb2
 icecon.xx.YYYYMMDDHH.daily.grb2
 Not Available
CFS Water Runoff
  Filename Inventory
Surface runoff.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 runoff.xx.YYYYMMDDHH.daily.grb2
 Not Available
CFS Volumetric Soil Moisture Content
  Filename Inventory
0-0.1 m Below Ground soilm1.xx.YYYYMMDDHH.daily.grb2 6hrly
0.1-0.4 m Below Ground soilm2.xx.YYYYMMDDHH.daily.grb2 6hrly
0.4-1 m Below Ground soilm3.xx.YYYYMMDDHH.daily.grb2 6hrly
1-2 m Below Ground soilm4.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 soilm1.xx.YYYYMMDDHH.daily.grb2
 soilm2.xx.YYYYMMDDHH.daily.grb2
 soilm3.xx.YYYYMMDDHH.daily.grb2
 soilm4.xx.YYYYMMDDHH.daily.grb2
 Not Available
CFS Soil Temperature
  Filename Inventory
0-0.1 m Below Ground soilt1.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 soilt1.xx.YYYYMMDDHH.daily.grb2
 Not Available

6 hourly 3-D Isentropic level data 1.0 degree

CFS Potential Vorticity
  Filename Inventory
450 K isentropic level ipv450.xx.YYYYMMDDHH.daily.grb2 6hrly
550 K isentropic level ipv550.xx.YYYYMMDDHH.daily.grb2 6hrly
650 K isentropic level ipv650.xx.YYYYMMDDHH.daily.grb2 6hrly
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 ipv450.xx.YYYYMMDDHH.daily.grb2
 ipv550.xx.YYYYMMDDHH.daily.grb2
 ipv650.xx.YYYYMMDDHH.daily.grb2
Not Available

Return to Top
DESCRIPTION Availability on
NCEP FTP SERVER
File Name 		Availability on
NWS FTP SERVER
File Name

6 Hourly

File Name Reads - namefforecastdatehour.member.validdatecycle.grb2
CFS Surface, Radiative Fluxes T126 (384x190 Gaussian)
  CCS Filename Inventory
6-hourly flxfYYYYMMDDHH.xx.YYYYMMDDCC.grb2 6HRLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 flxfYYYYMMDDHH.xx.YYYYMMDDHH.grb2
 Not Available
CFS 3D Pressure Level
  CCS Filename Inventory
6-hourly pgbfYYYYMMDDHH.xx.YYYYMMDDCC.grb2 6HRLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 pgbfYYYYMMDDHH.xx.YYYYMMDDHH.grb2
 Not Available
CFS 3D Ocean
  CCS Filename Inventory
6-hourly ocnfYYYYMMDDHH.xx.YYYYMMDDCC.grb2 6HRLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 ocnfYYYYMMDDHH.xx.YYYYMMDDHH.grb2
 Not Available
CFS 3D Isentropic Level
  CCS Filename Inventory
6-hourly ipvfYYYYMMDDHH.xx.YYYYMMDDCC.grb2 6HRLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 ipvfYYYYMMDDHH.xx.YYYYMMDDHH.grb2
 Not Available
Return to Top
DESCRIPTION Availability on
NCEP FTP SERVER
File Name 		Availability on
NWS FTP SERVER
File Name

Monthly Means

6-hourly and daily averages
File Name Reads - filename.member.initialdate.verificationmonth.avrg.grib.cycle.grb2

CFS Surface, Radiative Fluxes T126 (384x190 Gaussian)
  CCS Filename Inventory
6-hourly flxf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2 MONTHLY
Daily flxf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2 MONTHLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 flxf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2
 flxf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2
 Not Available
CFS 3-D Pressure Level 1 Degree Resolution
  CCS Filename Inventory
  pgbf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2 MONTHLY
  pgbf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2 MONTHLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 pgbf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2
 pgbf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2
 Not Available
CFS 3-D Ocean Data 0.5 Degree Resolution
  CCS Filename Inventory
  ocnh.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2 MONTHLY
  ocnh.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2 MONTHLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 ocnh.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2
 ocnh.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2
  Not Available
CFS 3-D Ocean Data 1.0 Degree Resolution
  CCS Filename Inventory
  ocnf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2 MONTHLY
  ocnf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2 MONTHLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 ocnf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2
 ocnf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2
  Not Available
CFS 3-D Isentropic Level 1.0 Degree Resolution
  CCS Filename Inventory
  ipvf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2 MONTHLY
  ipvf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2 MONTHLY
 Available in GRIB2 via FTP
 Available in GRIB2 via HTTPS
 ipvf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.HHZ.grb2
 ipvf.xx.YYYYMMDDHH.YYYYMM.avrg.grib.grb2
 Not Available
Return to Top

Page last modified: 04 June 2026.