"Typical day" Meteorological Data for Atmospheric Transport and Dispersion (ATD) Modeling
Department of Defense
Defense Threat Reduction Agency
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Small Business Information
ATMOSPHERIC & ENVIRONMENTAL RESEARCH, IN
131 Hartwell Avenue, Lexington, MA, 02421
Socially and Economically Disadvantaged:
President and CEO
President and CEO
AbstractThe complexity of Atmospheric Transport and Dispersion (ATD) modeling requires physically consistent weather data evolving in both space and time. Spatially and/or temporally averaged data found in climatological products is not suitable for ATD modeling. The proposed solution for providing “typical day” meteorological data couples innovative search techniques applied to long-range historical archives and standard Numerical Weather Prediction (NWP) mesoscale models to recreate a selected historical event identified as representative of typical for a region and season. The proposed search techniques focus on the application of frequency distribution analysis of parameters of relevance to ATD modeling, and can be applied for not only the search for “typical” days, but also significant “atypical” days that may be of relevance to ATD planners. The application of standard NWP models provides for “typical” weather data sets of the same content and resolution as is used from operational forecast sources. AER proposes a Phase 1 program to develop and demonstrate a methodology for providing “typical day” meteorological data that is ready for direct use by HPAC. The proposed work is low-risk in that it leverages existing technologies, and applies standard statistical techniques in innovative ways relevant to the ATD problem space.
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