Overview

This interface is for viewing weather forecasts from NOAA/NCEP numerical models. Select Forecast Model, Map Area, Variable, and Initialization from the pulldown menus above to view different forecasts. Use the Image Slider or playback controls to animate. See forecast period, output interval, and initialization times available for each model:

Global Forecast System (GFS) [0.25°]

10-day forecast | 3-hourly | 00,06,12,18 UTC



North American Mesoscale (NAM) [12km]

3.5-day forecast | hourly | 00,06,12,18 UTC



North American Mesoscale (NAM) [3km]

2.5-day forecast | hourly | 00,06,12,18 UTC



North American Mesoscale - Alaska (NAM) [3km]

2.5-day forecast | hourly | 12 UTC



High Resolution Rapid Refresh (HRRR) [3km]

18/36-hour forecast | hourly | 00-21 UTC every 3 hours



Air Quality Model (AQM) [4km]

48-hour forecast | hourly | 06,12 UTC



Real-Time Ocean Forecast System (RTOFS) [1/12°]

8-day forecast | 3-hourly | 00 UTC



GFS/NAM/HRRR Blend (EXPERIMENTAL) [10km]

2.5-day forecast | hourly | 00 UTC



Unrestricted Mesoscale Analysis (URMA) [3km]

1-day analysis | hourly | 00 UTC

Source model output is downloaded from the NOAA Operational Model Archive and Distribution System. Forecast maps on this page are generated using NCAR Command Language (NCL). These visualizations are for educational purposes. Always refer to official guidance from the National Weather Service and NOAA for decision making during severe weather.

Additional Information