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 ...

Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season. Weather forces in the Arctic are pushing chilly air that usually stays ...

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 ...

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 ...