The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

As of March 16, average ice cover across the lakes was roughly 13.5%. Lake Superior was at 9.2%, and Lake Michigan was at 10.7%.

As of March 16, average ice cover across the lakes was roughly 13.5%. Lake Superior was at 9.2%, and Lake Michigan was at 10.7%.

"The large polar vortex disruption from the second week of March is ... "A big cool down is on the way especially across the Great Lakes and Northeast, where it will feel more like late February in ...

What is the polar vortex? The polar vortex is a part ... limit the severe weather potential from the upper Midwest, Great Lakes, Ohio Valley on east.

However, Accuweather's Long-Range Team continues to monitor the pent-up polar vortex ... the cold Atlantic to the south and east and the Great Lakes to the west, temperatures should reach the ...