This forecast from the operational High Resolution Rapid Refresh (HRRR model) of where visibility will be poor. Areas in yellow are where visibility is predicted to be less than a 1/2 mile

The amazing research resume of the High-Resolution Rapid Refresh Model

From its inception as an experiment to improve forecasts for aviation, to its transition of its final update to NOAA National Weather Service operations, the Global Systems Laboratory’s pioneering High-Resolution Rapid Refresh weather model established a remarkable resume of research accomplishments.