NOAA Operational Model Archive and Distribution System

What's New for NOMADS 2.3.12

HTTPS Data

  • DAFS
    • DAFS v1.0 moved to production.

What's New for NOMADS 2.3.11

HTTPS Data

  • Conventional Observation Reanalysis (CORe) v1.0
    • CORe v1.0 moved to production.

What's New for NOMADS 2.3.10

HTTPS Data

  • National Blend of Models (NBM) v5.0
    • NBM v5.0 added for public evaluation.
  • HYSPLIT v9.0
    • HYSPLIT v9.0 added for public evaluation.

      • What's New for NOMADS 2.3.9

      OpenDAP Removal

      • Removal of OpenDAP model data

      What's New for NOMADS 2.3.8

      HTTPS Data

      • Conventional Observation Reanalysis (CORe) v1.0
        • CORe v1.0 added for public evaluation.

      What's New for NOMADS 2.3.7

      HTTPS Data

      • North American Rapid Refresh Ensemble (NARRE) Model Decommission
        • Removal of NARRE model data

      What's New for NOMADS 2.3.6

      OpenDAP Migration Guide

      What's New for NOMADS 2.3.5

      HTTPS Data

      • AIGFS, AIGEFS, and HGEFS
        • AIGFS v1.0, AIGEFS v1.0, and HGEFS v1.0 moved to production.

      What's New for NOMADS 2.3.4

      HTTPS Data

      • AIGFS, AIGEFS, and HGEFS
        • AIGFS v1.0, AIGEFS v1.0, and HGEFS v1.0 added for public evaluation.

      What's New for NOMADS 2.3.3

      HTTPS Data

      • DAFSv1.0
        • DAFSv1.0 added for public evaluation.
      • UKMET
        • Deprecated UKMET external model link removed.

      What's New for NOMADS 2.3.2

      HTTPS Data

      • LAMPv2.7 and GLMPv2.7
        • LAMPv2.7 and GLMPv2.7 moved to production.

      What's New for NOMADS 2.3.1

      HTTPS Data

      • ETSSv1.4, PETSSv1.4
        • ETSSv1.4, PETSSv1.4 moved to production.

      What's New for NOMADS 2.3.0

      Features

      • Addition of a human readable NOMADS Status Page
      • Addition of a machine readable NOMADS Status JSON

      What's New for NOMADS 2.2.19

      HTTPS Data

      • LAMPv2.7 and GLMPv2.7
        • LAMPv2.7 and GLMPv2.7 added for public evaluation.

      What's New for NOMADS 2.2.18

      HTTPS Data

      • NWMv3.1 Pre-Para
        • NWMv3.1 Pre-para data moved to hydrology.nws.noaa.gov for public evaluation.

      What's New for NOMADS 2.2.17

      HTTPS Data

      • HAFSv2.1, RTOFSv2.5 ETSSv1.4, PETSSv1.4
        • HAFSv2.1 and RTOFSv2.5 model moved to production.
        • ETSSv1.4, PETSSv1.4 added for public evaluation.

      What's New for NOMADS 2.2.16

      HTTPS Data

      • HAFSv2.1 and RTOFSv2.5
        • Parallel HAFSv2.1 and RTOFSv2.5 model data added for public evaluation

      What's New for NOMADS 2.2.15

      HTTPS Data

      • National Blend of Models v4.3
        • Production National Blend of Models v4.3 model data added and PRSVR variable added to grib filter.
        • Parallel model data removed
      • SPC Post Model v2.1
        • Production SPC Post v2.1 model data added and new lightning density added to grib filter. Text description has also been updated.
        • Parallel model data removed

      What's New for NOMADS 2.2.14

      HTTPS Data

      • P-Surgev3.1
        • Production P-Surgev3.1 model data added to main page and text description updated for P-SURGE/ETSS/PETSS
      • P-Surge Para link removed
        • Parallel model data removed

      What's New for NOMADS 2.2.13

      HTTPS Data

      • National Blend of Models v4.3
        • Parallel model data added for public evaluation
      • SPC Post Model v2.1
        • Parallel model data added for public evaluation

      What's New for NOMADS 2.2.12

      HTTPS Data

      • P-Surge v3.1
        • Parallel model data added for public evaluation

      What's New for NOMADS 2.2.11

      HTTPS Data

      • National Water Model v3.1
        • Parallel model data added for public evaluation

      What's New for NOMADS 2.2.10

      Executive Order 14172

      • Changed all references of Gulf of Mexico to Gulf of America

      What's New for NOMADS 2.2.9

      HTTPS Data

      • LAMP & Gridded LAMP Models v2.6
        • Production model data added
        • Parallel model data removed

      Security Update

      • Update to jQuery v3.7.1

      What's New for NOMADS 2.2.8

      HTTPS DataL

      • LAMP & Gridded LAMP Models v2.6
        • Parallel model data added for public evaluation

      What's New for NOMADS 2.2.3

      Grib Filter

      • New models or updated model parameters
        • GLWU (Great Lakes Wave Unstructured)

      What's New for NOMADS 2.2.2

      Grib Filter

      • New models or updated model parameters
        • ESTOFS Global replace by STOFS 2D Global and STOFS 3D Atlantic
        • NBM (National Blend of Models) updated

      What's New for NOMADS 2.2.0

      Grib Filter

      • New models or updated model parameters
        • GDAS, GDAS 0.25
        • GFS 0.25 Degree Hourly
        • GFS 0.50 Degree
        • GFS 1.00 Degree
        • GFS Ensemble 0.25 Degree
        • GFS Ensemble 0.5 Degree
        • GFS Ensemble 0.5 Degree (Secondary Params)
        • GFS Ensemble Chem 0.25 Degree
        • GFS Ensemble Chem 0.5 Degree
        • GFS Ensemble Wave
        • LAMP and GLMP
        • HWRF
        • HIRESW
        • NBM (National Blend of Models)
        • Nearshore Wave Prediction System (regional)
        • ETSS and P-ETSS
        • RAP
      • "Make Subregion" checkbox automatically checked when latitude or longitude is changed.
      • Updated data set descriptions.

      What's New for NOMADS 2.0/2.1

      Improved NOMADS GribFilter User Interface


      - Home page:

      • Replaced old header/sidebar/footer with new National Weather Service banner and footer.
      • Consolidated information and documents into a row of links located under the top banner.
      • Removed the 'HREF Guam' data set links since no data is produced for it.

      - Grib Filter Search/Subset page:

      • PHP is used to build one page containing all model selection options, instead of clicking for each option one at a time
      • Changed the name 'Variables' to 'Parameters'.
      • Help is provided to identify which parameters are found in which level, and vice versa, by highlighting the names. When a parameter name is clicked, the corresponding levels will be highlighted. Likewise, when a level name is clicked, the corresponding parameters will be highlighted.
      • Added new buttons 'Check All' and 'Uncheck All' for parameters and levels.
      • Added new button 'Check All Highlighted' for parameters and levels.
      • Added information describing how to use the new Parameters/Levels highlighting.
      • The 'Show URL' option that displays the code that can be used to download the user's selections is shown in a text box, rather than posting to a new page.

      Improved Perl Scripts

      • Fixed NAM Alaska surface vars (11.25km) link to point to NCEP NAM (ETA) AK Forecasts- Surface Variables. The production erroneously points to NCEP NAM (ETA) AK Forecasts- Pressure Level Variables. Note that (a) the grib2 file names are different and (b) The available data levels for a specific parameter is also different.
      • Fixed perl script errors that show up in the CGI logs. After the fixes, the model dataset selection from the grib filter shows no errors in the cgi logs.

      Improved Security

      • Version 2.1 addresses security vulnerabilities found in version 2.0.

NCEP NOMADS Version 2.3.12, March 2026