The Mirror US on MSN4d
Rare polar vortex split to freeze millions of Americans - chilling path of severe weather event mapped
Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...
The puzzling and powerful polar vortex faces 'big uncertainty' as Earth warms
A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
Yahoo14d
Weather Words: Polar Day And Polar Night
During these times, it's referred to as a polar night. The opposite, polar day, occurs when there is 24-hour daylight. A polar day is when the sun does not set and stays above the horizon for an ...
Cover Media US on MSN1d
Polar Bear Celebrates Groundhog Day with Prediction and Climate Protest
Toronto Zoo’s polar bears had an important message about climate change to deliver. It is now always spring for their species due to the melting Arctic ice. Juno the polar bear has made the call, ...