Climate Data Assimilation System (CDAS) Products

Updated: 11/21/2019

Version 2

6 Hourly

Documentation on CDAS

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 3 types of files:

    bufr, grib2, & other.

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 SERVE File Name	Availability on NWS FTP SERVER File Name
6 Hourly File Name Reads - namefforecastdatehour.member.validdatecycle.grb2
CDAS - Binary Universal Form for the Representation of meteorological data (BUFR)   WCOSS Filename Inventory 6-hourly Surface Land cdas.tCCz.adpsfc.tm00.bufr_d.unblok.nr   Upper-Air cdas.tCCz.adpupa.tm00.bufr_d.unblok   MDCRS ACARS   Aircraft Reports cdas.tCCz.aircar.tm00.bufr_d.unblok.nr   TAMDARAircraft Reports cdas.tCCz.aircft.tm00.bufr_d.unblok.nr   Soundings/Brightness   Temperatures cdas.tCCz.atovs.tm00.bufr_d.unblok   Satellite-derived wind cdas.tCCz.satwnd.tm00.bufr_d.unblok   Surface marine cdas.tCCz.sfcshp.tm00.bufr_d.unblok   VAD (NEXRAD) wind cdas.tCCz.vadwnd.tm00.bufr_d.unblok   NCEP BUFR File Documentation  & Observation file descriptions	All Available in BUFR via ftp  All Available in BUFR via https  cdas.tCCz.filename.tm00.bufr_d.unblok(.nr)
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