Transport Modeling & Assessment![]() The HYSPLIT model was used to simulate a single Idaho fire for the entire month of August 2000. This animation shows daily snapshots (at 1800 UTC) of the HYSPLIT particle positions superimposed over the TOMS satellite aerosol index for the corresponding time. Colors vary by 0.5 units for the aerosol index values. (Click on the image to enlarge.)The primary focus of the Transport Modeling & Assessment Group in Silver Spring is dispersion modeling. Dispersion modeling has both research and real-time components. ARL's primary mission is to develop, improve, and test dispersion models for a variety of different applications. Here in Silver Spring, we do not have a real-time mission requirement, but develop these models for the National Weather Service:
The models we develop are also used by other federal agencies for a variety of different applications (e.g. national security, assessments, Continuity of Government, etc.). We connect with our "customers" primarly through web interfaces, where we provide a variety of dispersion modeling and data analysis tools to other NOAA components, government agencies, university researchers, and the public.
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