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Short-range quantitative precipitation forecasts using a divergent initializationData simulations and real data tests indicate that the treatment of the initial divergence field in a mesoscale weather prediction model strongly influences the quality of the first 6 hours of a rainfall forecast. Of the procedures tested for determining the initial divergence field for the predictions, the best technique is found to be the Tarbell et al. (1981) diagnostic procedure, where a diabatic form of the omega equation is used to obtain a three-dimensional vertical motion field that in turn can be used in conjunction with a continuity equation to obtain the horizontal divergence fields.
Document ID
19840043487
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Salmon, E. M.
(Pennsylvania State Univ. University Park, PA, United States)
Warner, T. T.
(Pennsylvania State University University Park, PA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1983
Subject Category
Meteorology And Climatology
Accession Number
84A26274
Funding Number(s)
CONTRACT_GRANT: NSG-5205
Distribution Limits
Public
Copyright
Other

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