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

So what is a polar vortex collapse and why does it affect weather so dramatically? Advertisement Advertisement As the National Weather Service explains, the polar vortex is an area of low pressure ...

Farther east, in Greenville-Spartanburg, South Carolina, the weather service said they will be watching for possible frost advisories early next week, "now that the growing season has started." ...

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.

Forecasters predict the warm weather streak will fade as pockets of cold fronts move into New England later this spring. Accuweather Senior Meteorologist Paul Pastelok says the March polar vortex ...

such as the state of the stratospheric polar vortex that is potentially predictable several weeks in advance. He continued: "Being able to provide early warnings of possible severe weather is all ...

the weather service said they will be watching for possible frost advisories early next week, "now that the growing season has started." Experts say the polar vortex will play a role in next week ...

the weather service said they will be watching for possible frost advisories early next week, "now that the growing season has started." The polar vortex is a gigantic, circular area of cold air ...