Evaluation and Application of the Weather Research and Forecast Model

Report No. ARL-TR-4335
Authors: Jeffrey E. Passner
Date/Pages: December 2007; 28 pages
Abstract: The Advanced Research version of the Weather Research and Forecasting model (WRF-ARM) was studied by the U.S. Army Research Laboratory (ARL) to determine how accurate and robust the model is under a variety of meteorological conditions, with an emphasis on fine resolution, short-range forecasts in complex terrain. This model study was done in support of the short-range Army tactical analysis/nowcasting system called the Weather Running Estimate-Nowcast (WRE-N) as well as for longer-range forecasting support. While much of the study centered on basic model output such as temperature, moisture, wind direction, and wind speed, the WRF parameterizations and output were also examined.
Distribution: Approved for public release
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Last Update / Reviewed: December 1, 2007