‘Once in a lifetime’ snow hits parts of the U.S. South
A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen ...
A powerful Polar Vortex in the stratosphere brings frigid temperatures to US
The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...
Live Updates: Record Snowfall Snarls Cities as Deadly Cold Stalks the South
At least 10 people have died. Officials warned that arctic cold will persist for another day, and roads could remain ...
What is a polar vortex?
This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...
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Arctic blast to send Virginia temperatures plunging this week
Erin Davis/Axios Visuals All of Virginia will be freezing early this week. Why it matters: The hazardous cold could be a public health risk, threaten to burst pipes, and stress electricity grids. The ...