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Surge Desk

NASA Image Shows 'Chiclone' From Space [PHOTO]

Oct 29, 2010 – 3:47 PM
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Dana Chivvis

Dana Chivvis Contributor

(Oct. 29) -- The massive storm that barreled across the United States earlier this week -- forming a "Chiclone" in Chicago -- was stressful to live through but spectacular to behold.

This image was taken by NASA's GOES satellite on Tuesday. The video below shows the storm developing late on Monday and continuing through Wednesday.


It was caused by a cool, low pressure system in the north colliding with a warm, high pressure system drawn up from the Gulf states. Because of the Earth's rotation, the warmer air of the high pressure system circled around the low pressure system, creating the cyclone seen in the picture below.

The storm set a new record for low pressure in a non-tropical storm in the continental U.S. with a minimum central pressure of 28.24" or 956 mb, the equivalent of a Category 3 hurricane. Extratropical storms like this one occur in the spring and fall when the temperature differential between the north of the country and the south of the country is greater. This week's storm produced 24 tornado reports, severe thunderstorms, blizzard conditions, hundreds of thousands of power outages, and winds that reached 77 mph.

Read more at NASA's Earth Observatory.
Filed under: Nation, Science, Surge Desk

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