Batu69 Posted July 20, 2016 Share Posted July 20, 2016 As thunderstorms roiled across the Phoenix landscape on Monday night, this incredible microburst came crashing down from the sky in a blast of rain, hail and wind. Jerry Ferguson, a helicopter reporter, took this incredible photo of the microburst during his flight. Thunderstorm unleashes a microburst over Phoenix on Monday. Thunderstorm unleashes a microburst over Phoenix on Monday. Microbursts are small but powerful bursts of wind that rush downward out of a thunderstorm. When the microburst hits the ground, the damaging wind spreads out in all directions. They form within the main downdraft of the storm, and are triggered by two main physical processes — the drag that’s created by falling rain and hail, and evaporation. When water evaporates it cools the air, which makes it more dense and accelerates the descent. Once they reach the ground, microbursts have been known to produce wind gusts up to 150 mph. Article source Link to comment Share on other sites More sharing options...
truemate Posted July 20, 2016 Share Posted July 20, 2016 woo wat a big lovely mushroom Link to comment Share on other sites More sharing options...
shorty6100 Posted July 21, 2016 Share Posted July 21, 2016 Monsoon season in Arizona can be quite spectacular. Link to comment Share on other sites More sharing options...
lemonforest Posted July 21, 2016 Share Posted July 21, 2016 Looks eerily like a nuke. Link to comment Share on other sites More sharing options...
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