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What is a polar vortex?

This winter could be average, unlike recent years, due to the influence of the polar vortex. Gretchen Carlson Spills Why ...
La Niña and polar vortex weather patterns will be at play for the 2025-2026 winter season. Here's what we know about the ...
NBC 5 Storm Team Meteorologist Kevin Jeanes took a look at what’s going on and what the weather may look like going into ...
A weak La Niña and a wavy jet stream could make mid-winter colder and stormier than recent years in Wisconsin.
Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...
Up until now we’ve had a warm start to the fall season and Austin’s Camp Mabry has yet to have lows in the 30s or highs below ...
A sudden stratospheric warming event is just that; a sudden warming of the stratosphere miles above our heads. This event ...
Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.
There may be a chance for that late next week as long range models are indicating a sudden stratospheric warming happening ...
An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. Get the details from ...
Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...