The Advocate8h
Why are we seeing heavy snow in south Louisiana? It's about timing and the 'polar vortex.'
The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air ...
‘Once in a lifetime’ snow hits parts of the U.S. South
The National Weather Service's Lake Charles, Louisiana, office issued its first-ever blizzard warning Tuesday. The NWS' ...
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 ...
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 ...
WUSA22h
A polar vortex has brought arctic air to the U.S. including DC area
The polar vortex has shifted, spilling cold air across the U.S. with below freezing temperatures and subzero wind chills. The polar vortex is a ring of cold air that typically circles the Arctic.