What is a polar vortex? US gets a taste of the Arctic this week
The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping ...
A Polar Vortex Is Stretching Across the U.S. Here’s What to Expect
Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.
Brutal polar vortex cold shutters Midwest schools, breaks North Dakota record
More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...
USA Today10d
The puzzling and powerful polar vortex faces 'big uncertainty' as Earth warms
Whether it could become more likely that sudden warming in the stratosphere could break down the polar vortex more frequently and push the jet stream southward remains "very much an open question ...
Star Tribune3d
Douglas: One more dance with the polar vortex
Subzero blobs occasionally break off and invade the Lower 48 states, often setting off big snow and ice storms in southern states. My polar vortex definition is daytime highs below zero ...
What is Polar Vortex, weather phenomenon that triggered ‘life-threatening’ cold in parts of US?
The US faces severe cold weather, with the National Weather Service forecasting life-threatening conditions and ...