SENSITIVITY OF CUMULUS AND RADIATION PARAMETERIZATION CONFIGURATION IN THE WRF MODEL IN THE GROWTH PROCESS OF CUMULONIMBUS CLOUDS DURING THE 2012-2013 TRANSITION SEASON AT JUANDA CLASS I METEOROLOGICAL STATION, SURABAYA
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Published: Mar 25, 2015 |
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Keywords: Cumulonimbus, WRF, parameterization, cumulus, radiation |
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Abstract
Cumulonimbus (Cb) is kind of dangerous cloud, especially for aviation. Lifting process of water vapour to be Cb is generally a characteristic of convective cells by a strong updraft due to solar insolation or moisture content. Because of cumulus and radiation parameterization is important in developing Cb, so that we need to know the most appropriate configuration scheme in WRF model at Juanda Meteorology Station when the season transition. Cumulus parameterization is used as much as 3 scheme (KF, BMJ, and GD), longwave radiation parameterization is used as much as 2 scheme ( RRTM and CAM), and shortwave radiation one is used as much as 2 scheme (Dudhia and Cam). So the total of scheme’s configuration are 12 schemes. Using uniform and stepwise method, we get that KFCAMCAM is the most appropriate scheme that its result has many similarities with observation data
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