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The Mesoscale Characteristics of Tropical Oceanic Precipitation during Kelvin and Mixed Rossby-Gravity Wave Events
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Monthly Weather Review
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September 1, 2008
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Copyright informationCopyright American Meteorological Society Sep 2008. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
Precipitation structures within Kelvin and mixed Rossby-gravity (MRG) wave troughs near Kwajalein Atoll during the 1999-2003 rainy seasons are analyzed using three-dimensional ground-based radar data and upper-air sounding data. Consistent with previous work, wave troughs are preferred locations for precipitation and typically yield 1.3 times more rain area compared to the overall rainy season climatology.
Although the contiguous areas of cold cloudiness associated with tropical wave troughs are large and long lived, the underlying precipitation structure is most frequently small, isolated convection from mixed-phase clouds. This mismatch in instantaneous cold cloudiness area ...
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