A Comparison of Post-Processed Variables Used by the Tri-Service Version of the Integrated Weather Effects Decision Aid
Technical Report,01 Apr 2009,01 Apr 2010
U.S. Army Research Laboratory White Sands Missile Range United States
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The U.S. Army Research Laboratory ARL has developed a red-amber-green mission-planning aid for Army commanders to advise them when and where the environmental conditions currently exceed or are forecasted to exceed levels of marginal or severe impact to their systems, operations, or personnel. A Tri-service version of the software has been developed and fielded on Air Force and Navy systems. Meteorological data is provided to the Tri-Service Integrated Weather Effects Decision Aid T-IWEDA from both the Weather Research and Forecasting WRF model and -degree Global Forecast System GFS output. Once the model output is received, many of the weather variables needed by the T-IWEDA rules are developed by both Air Force Weather Agency AFWA and ARL in their post-processing software so that mission planning can be achieved based on the weather conditions. This report looks at the different and unique approaches to solving forecasting challenges such as clouds, icing, and turbulence.