At least eight people were reported dead, including one child, after storms slammed into multiple states over the weekend.

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

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

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 "major disruption" has recently rocked the Arctic polar vortex, causing it to weaken and reverse direction from ...

Overnight low temperatures in the upper 50s are normal for February, not April, but we may see them this weekend in South ...

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in 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.