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#1
July 28th 10, 07:52 PM
posted to rec.aviation.soaring
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Updraft Speed Ranges in Different Types of Storms
Just wanted to share an interesting article found at:
http://www.stormtrack.org/forum/arch...php/t-716.html Here are some key figures extracted from it: - non-severe thunderstorm: 15 to 30 MPH (1,200 - 2,500 fpm) - severe "Multicell cluster" thunderstorms: 60 MPH (5,500 fpm) - supercell: typical 70 or 80 MPH with extremes of 150 to 175 MPH (12,000 - 15,000 fpm) Cheers, - Ido 
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