Cooperative Institute for Research in Environmental Sciences

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An Evaluation of the Physics Parameterizations in the Weather Research and Forecasting (WRF) Model for Use in the Polar Regions

John J. Cassano, Mark W. Seefeldt

CIRES / Department of Atmospheric and Oceanic Sciences

The Weather Research and Forecasting (WRF) model is gaining increasing use for applications in the polar regions. A key to the performance of WRF in the polar regions is the evaluation and identification of an ideal suite of WRF physics parameterizations to best represent the polar atmosphere. A study has been conducted which has evaluated the results of numerous WRF simulations with different physics parameterizations combinations. The results of the simulations are compared against observations from several surface observations locations across the Arctic.