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

After the polar vortex made its most dreadful and intense appearance in New York City this past winter, spring is finally in ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

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

"The large polar vortex disruption from the second week ... where it will feel more like late February in Chicago and New York early next week as highs drop into the 30s and 40s," Savona said.

The cold snap could impact new spring vegetation and lead to frost in some areas ... golf rounds and outdoor activities in general. "The large polar vortex disruption from the second week of March is ...

As the early days of spring kick into gear, the Northeast is bracing for a dramatic weather shift, with temperatures plunging ...

The pattern responsible for severe weather and flash flooding in the central United States will ease in the week ahead - but at a price. Winterlike conditions will return to a large part of the ...

As the early days of spring kick into gear, with it will come shifts in temperatures, separate rounds of precipitation, and ...