Grib Filter nam

Available Data Dates:

nam.20261019
nam.20261018
nam.20261017
nam.20261016
nam.20261015
nam.20261014
nam.20261013
nam.20261012

Available Files (file size):

No files found

all 4LFTX ACPCP APCP CAPE CFRZR CICE CICEP CIN CLWMR CRAIN CSNOW DLWRF DPT DSWRF DZDT FRICV HGT HPBL ICEC LAND LFTX LHTFL MCONV MSLET MSTAV PBLREG POT PRES PRMSL PWAT REFC REFD RETOP RH RIME RWMR SHTFL SNFALB SNMR SNOD SNOWC SOILL SOILM SOILW SOTYP SPFH TCDC TCOLC TCOLI TCOLR TCOLS TCOLW TKE TMP TSOIL TTRAD UGRD ULWRF USWRF VEG VGRD VGTYP VIS VVEL WEASD WTMP

all 0-0.1 m below ground 0.1-0.4 m below ground 0.4-1 m below ground 0-1 m below ground 0-2 m below ground 1-2 m below ground 3 m underground 2 m above ground 10 m above ground 1000 m above ground 4000 m above ground 180-0 mb above ground 255-0 mb above ground 1 hybrid level 500-1000 mb 1000 mb 975 mb 950 mb 925 mb 900 mb 875 mb 850 mb 825 mb 800 mb 775 mb 750 mb 725 mb 700 mb 675 mb 650 mb 625 mb 600 mb 575 mb 550 mb 525 mb 500 mb 475 mb 450 mb 425 mb 400 mb 375 mb 350 mb 325 mb 300 mb 275 mb 225 mb 250 mb 200 mb 175 mb 150 mb 125 mb 100 mb 75 mb 50 mb 30 mb 20 mb 10 mb 7 mb 5 mb 2 mb surface mean sea level entire atmosphere (considered as a single layer) top of atmosphere cloud base cloud ceiling cloud top

make subregion:	top latitude
	left longitude	right longitude
	bottom latitude

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Click on a variable name to find the levels that match that variable. Levels that are specific to that variable will be underlined and highlighted in yellow.
Click on the checkbox to the left of a variable abbreviation to select that variable for the gribfilter download request.
Click the "Check Highlighted" button to check the checkbox of every underlined/highlighted variable. (The variables are underlined/highlighted by clicking on a level name.)
Note that the gribfilter download request only includes variables that are checked. Underlined/highlighted variables that are not checked are not included in the gribfilter request.
Check "all" to download all variables. When "all" is checked, it does not matter if any other variables are checked - all variables are included in the request.
Note that some variables are not specific to any layer. To get data for these variables, click on "all" variables.

NCEP NOMADS Version 2.3.26, September 2026

NCEP NAM Forecasts for Pacific/Hawaii Domain

Available Data Dates:

Available Files (file size):

Parameters

Levels

Subregion

Download

NCEP NAM Forecasts for Pacific/Hawaii Domain

Available Data Dates:

Available Files (file size):

Parameters Check Highlighted Check All Parameters Uncheck All Parameters

Levels Check Highlighted Check All Levels Uncheck All Levels

Subregion

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Parameters

Levels