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An investigation of storm morphology and mesovortex evolution within a midwestern quasi-linear convective system using conventional and single-Doppler radar data.(Report)
- Article from:
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National Weather Digest
- Article date:
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December 1, 2007
- Author:
- Martinelli, Jason T.; Pasken, Robert; Lin, Yeong-Jer; Przybylinski, Ron W.
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Copyright informationCOPYRIGHT 2007 National Weather Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract
In the morning hours of 29 June 1998, a line of severe convective storms traversed central Iowa, producing a wide swath of straight-line wind damage (several gusts exceeding 50 m s-1) and isolated weak-to-moderate intensity tornadoes (F0-F2). This quasi-linear convective system evolved into a severe squall line with three high-precipitation (HP) supercells and multiple well-defined mid-level mesocyclones embedded within it. Although scattered wind damage was reported across many sections of the entire line, this paper focuses on the evolution of one particularly active portion associated with a nearly continuous swath of severe straight-line winds and tornadic ...
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