Spiral Feature Observed at Top of Rotating Thunderstorm

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  • 1 Laboratory for Atmospheric Sciences (GLAS), Goddard Space Flight Center, NASA, Greenbelt, MD 20771
  • | 2 GE/MATSCO, Beltsville, MD 20705
  • | 3 Air Force Global Weather Central, Offutt Air Force Base, Omaha, NE 68113
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Abstract

A dark, spiral feature is noted in the geosynchronous satellite visible image of the top of a thunderstorm which also has a Deppler radar-observed mesocyclone. Although the evidence is not conclusive, the feature may represent cyclonic rotation at cloud top associated with the pre-tornado mesocyclone.

Abstract

A dark, spiral feature is noted in the geosynchronous satellite visible image of the top of a thunderstorm which also has a Deppler radar-observed mesocyclone. Although the evidence is not conclusive, the feature may represent cyclonic rotation at cloud top associated with the pre-tornado mesocyclone.

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