ARL-weekly-2-3-23

February 24, 2023 Update About NOAA’s HYSPLIT The NOAA HYSPLIT model is used to simulate the direction and dispersion of substances– including hazardous materials– through the atmosphere. It is used for emergency response by NOAA’s National Weather Service (NWS). NWS offices run the model during local coordination with agencies responding to emergency events, and the…