These forecast images are show the RAP (Rapid Refresh) forecast for up to 6 hours from now.
We process the data using the same routines used by the SFCOA system, resulting
in a consistent set of images.
The background reflectivity forecasts are from the latest HRRR.
Currently, forecast images are only available for a selected subset of mesoanalysis data. The images are updated every 3 hours.