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NOAA Operational Model Archive and Distribution System

Description of NOAA's NOMADS servers hosting NCEP model data

Help Desk: Questions or problems please use the link to submit a service ticket.
Background Background documents about the NOMADS project.
Service Description: OCWWS Service Description Document
Archive of Model Data: Some data sets are archived by NCEI, check availability with the link.
Terms of Data Usage: Use this link to view the Term of Data Usage / Disclaimer.

This server hosts only the parallel data associated with upcoming NCEP model upgrades. This server will host the data through https downloads and on occasion the NOMADS interface services.

NCEP has a subscriber list to make announcements with regards to all of our data servers. Follow this link to subscribe and review the list details.

Click on link in the Data Set field for description and availability info.

Click on the column headings for description of each data access method.

Data Set freq https gds
Parallel Models
NOAAPORT Data - https -
HRRR Static Dataset hourly https -
RAP Static Dataset hourly https -
Pre-Parallel Models (Experimental)
Surge and Tide Operational Forecast System (STOFS) hourly https -
Great Lakes Wave Unstructured (GLWU) hourly https -
National Water Model (NWM) 6 hourly https -

Definitions and Links

EMC Environmental Modeling Center
GRIB WMO standard for encoding gridded fields
NCEP National Centers for Environmental Prediction, part of NWS
NWS National Weather Service, part of the Department of Commerce


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Page last modified: Wednesday, 13-Mar-2024 17:35:30 UTC