National Multi-agency Support for Airborne Hazard Prediction

Lawrence Livermore National Laboratory (LLNL) provides hazardous material plume modeling tools and services for a large number of emergency managers and responders. This paper describes ongoing advancement of LLNL's support for multiple agencies through the National Atmospheric Release Advisory Center (NARAC) and the Interagency Atmospheric Modeling and Atmospheric Assessment Center (IMAAC). A suite of software tools developed by LLNL and collaborating organizations includes simple stand-alone, local-scale plume modeling tools for end user's computers, and Web- and Internet-based software to access advanced 3-D flow and atmospheric dispersion modeling tools and expert analyses from the national center at LLNL.

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