Polar vortex to spread treacherous arctic air across US, making already bad winter chill even worse

The displaced polar vortex will bring prolonged periods of cold to the eastern portion of the Lower 48 through the end of ...
Morning Overview on MSN

A polar vortex break can flip your weather fast. Here’s why

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...
Wellbeing Whisper on MSN

Polar vortex cold shots make winter feel personal again

The January thaw has a way of making people think that coats can be left in the closet and windshield scrapers can be retired. But then the air changes and it’s sharp and metallic and serious and ...