The polar vortex of ultra-cold air usually spins around ... Classes were also canceled in Maryland, where Gov. Wes Moore declared a state of emergency Sunday and announced that state government ...

A massive storm developing today is set to bring life-threatening tornadoes and potentially historic floods in what could be ...

Kansas, Arkansas, Maryland, Kentucky and Virginia declared ... responded to more than 200 crashes in a 12-hour period. The polar vortex is causing widespread power outages and forcing schools ...

This is incredibly convenient, especially when you live in northern Maryland and are trying to smoke pork in the middle of a polar vortex in January. All in all, we had a great experience grilling ...

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

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March. Currently, its remains are traveling eastward across Canada to the United States.

A significant disruption to the polar vortex over far Northern Canada will keep the pattern’s influence locked in our neck of the woods like a houseguest overstaying their welcome. Even as the world ...

The polar vortex slid toward Europe in recent weeks, ushering in cooler temperatures to portions of Canada A significant disruption to the polar vortex over far Northern Canada will keep the ...

"The large polar vortex disruption from the second week of March is playing a key role in next week’s eastern US cold snap," meteorologist Judah Cohen of Atmospheric and Environmental Research told ...