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Assimilation of TRMM Multisatellite Precipitation Analysis with a Low-Resolution NCEP Global Forecast System
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2016
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Source: Monthly Weather Review, 144(2), 643-661
[PDF-2.87 MB]
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Journal Title:Monthly Weather Review
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Description:Current methods of assimilation of precipitation into numerical weather prediction models are able to make the model precipitation become similar to the observed precipitation during the assimilation, but the model forecasts tend to return to their original solution after a few hours. To facilitate the precipitation assimilation, a logarithm transformation has been used in several past studies. Lien et al. proposed instead to assimilate precipitation using the local ensemble transform Kalman filter (LETKF) with a Gaussian transformation technique and succeeded in improving the model forecasts in perfect-model observing system simulation experiments (OSSEs).
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Source:Monthly Weather Review, 144(2), 643-661
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ISSN:0027-0644;1520-0493;
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Rights Information:Other
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