The polar vortex is coming back ... blanketed all of Vermont and New Hampshire, and covered much of Maine. Southern New England will see lighter, but still plowable, snows, and is encapsulated ...

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

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

The polar vortex always exists around the North and ... Vermont, New Hampshire, and Maine will all see at least one to three inches of snow fall. AccuWeather Senior Long-Range Meteorologist ...

The polar vortex is a persistent area of low pressure dozens of miles above the earth's poles (both northern and southern). Because the vortex is so high up in the atmosphere, and because it's ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media advisory sent to Rigzone recently. “AccuWeather long-range experts ...

A polar vortex collapse is set to send the mercury plunging as "extreme conditions" sweep across the US and Canada. The meteorological switch-up is set to develop by the middle of the month and ...

"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 ...