Although the term polar vortex may seem relatively new ... Meanwhile, another snowstorm may form in Colorado, New Mexico and the southern Plains. This system has the potential to evolve into ...

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 ...

NOAA weather models predict Wednesday lows below zero in Oklahoma, Colorado, Nebraska ... Obviously this isn’t the first polar vortex episode of the winter, but it looks to be the most severe.” ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

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 ...