Early polar vortex disruption: record-early Arctic shake-up draws scientists' attention
The Arctic polar vortex has weakened and split earlier in the season than meteorologists have seen before, raising questions about winter weather in...
1 story tagged polar vortex.
The Arctic polar vortex has weakened and split earlier in the season than meteorologists have seen before, raising questions about winter weather in...
The day's most important stories, straight to your inbox.