An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America this March A polar vortex collapse can cause cold snaps, and one is ...

Millions of Americans were hit with blustery blizzards last month when a polar vortex collapse ushered in below freezing temperatures across much of North America ...

The Met Office says there is an 80 per cent chance of sudden stratospheric warming in March, which could bring severe and cold weather ...