By news
Published Jul 29, 2010 4:08 AM EDT | Updated Jul 30, 2010 10:41 AM EDT
Occasionally, a mature thunderstorm undergoes a total collapse through its core, causing a massive downward rush of air. Upon reaching the ground, the downburst splashes out in all directions, producing winds up to 70 mph. Over the years, thunderstorm downbursts have been a great hazard to commercial airlines.
By John Kocet, Expert Senior Meteorologist
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