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Final report, doppler radar data analysis during fiscal year 1980
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1981
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[PDF-79.49 MB]
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Description:Two triple Doppler radar case studies are discussed. The first is of a post frontal band observed as it moved up the foothills of the Sierra Nevada mountains. The band structure was primarily helical, with inflow from the right front of the band at low levels, an updraft slightly behind the reflectivity core of the band, and outflow toward the left front. The band structure was similar to but smaller in scale than bands observed in the Sacramento Valley.
The second case is of a weak frontal passage followed by a strong squall line passage. The squall was intense enough to have an associated tornado, but was quite shallow. Reflectivity in the squall line was a maximum of 52 dBZ at 0.6 km msl, dropping to below 20 dBZ above 5.1 km msl.
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Rights Information:CC0 Public Domain
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