Doppler Radar And Supercell
by Science Source
Title
Doppler Radar And Supercell
Artist
Science Source
Medium
Photograph - Photograph
Description
A strong supercell thunderstorm drops hail, with the WSR-88D Doppler radar at New Underwood, South Dakota May 26, 2004. A doppler radar is a tracking system that determines the velocity of a moving object by measuring the Doppler shift of the frequency of a radar signal reflected by the object. A supercell is a thunderstorm that is characterized by the presence of a mesocyclone a deep, continuously-rotating updraft. For this reason, these storms are sometimes referred to as rotating thunderstorms. Of the four classifications of thunderstorms (supercell, squall line, multi-cell, and single-cell), supercells are the overall least common and have the potential to be the most severe. Supercells are often isolated from other thunderstorms, and can dominate the local climate up to 20 miles away. Supercells can occur anywhere in the world under the right pre-existing weather conditions, but they are most common in the Great Plains of the United States.
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May 30th, 2013
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