Is that a cloud or an alien spaceship? It be an extraordinary and usually unsafe keep of thunderstorm cloud known as a supercell. Supercells might spawn unfavorable tornados, hail, downbursts of air, or drenching rain. Or they might upright perceive impressive. A supercell harbors a mesocyclone — a rising column of air surrounded by drafts of falling air. Supercells might occur over many locations on Earth nonetheless are particularly total in Twister Alley of the USA. Featured here are four time-lapse sequences of a supercell in 2013 rotating above and transferring all over Booker, Texas. Captured in the video are fresh clouds forming come the storm center, mud swirling on the ground, lightning flashing in the higher clouds, all while the impressively sculptured complex rotates ominously. Lastly, after a number of hours, as confirmed in the kindly sequence, dense rain falls as the storm begins to die out. Important images submitted to APOD: Closing week’s solar eclipse




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