Whiteout Great Lakes Photograph By Nasa Shows Chilly Extent Of The Polar Vortex (PICTURE)

LOOK: Whiteout Covers The Entire Great Lakes Region
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A few days ago we brought you some incredible photos of a frozen Lake Michigan that showed just how cold the 'Polar Vortex' is.

Now Nasa have provided an image that just shows the extent of the phenomenon.

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The whiteout is caused by cold air over warm lake waters

The Great Lakes can barely be seen as the whole of the US Midwest is covered by a 'whiteout' as daytime temperatures hover around the -29C with a windchill of -45C.

The picture was captured by Nasa's GOES-East satellite.

Lake Michigan
(01 of09)
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Mist rises from Lake Michigan at North Avenue Beach after temperatures dipped well below zero. (credit:Getty Images)
(02 of09)
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Another shot of the mist on the Lake. (credit:Scott Olson/Getty Images)
(03 of09)
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Chicago hit a record low of -16 degrees on Monday morning. (credit:Scott Olson/Getty Images)
(04 of09)
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Ice builds up along the lake. (credit:Scott Olson/Getty Images)
(05 of09)
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A polar air mass brought the coldest temperatures in about two decades into the city. (credit:Scott Olson/Getty Images)
(06 of09)
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Ice builds up along the lake. (credit:Scott Olson/Getty Images)
(07 of09)
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Ice and steam build up along Lake Michigan. (credit:Scott Olson/Getty Images)
(08 of09)
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A shelf of ice stretches out on the lake. (credit:Scott Olson/Getty Images)
(09 of09)
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Chicago's famous skyline adorned in ice and steam. (credit:Scott Olson/Getty Images)