Polar Vortex Formation

US, Polar and winter storm

How the polar vortex, warm ocean intensified major U.S. winter storm

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England.

· 1d

Why is the winter storm so intense? Polar vortex, moisture, jet stream align

· 8h · on MSN

New winter storm path shows more intense one may be on its way to US

· 1h

U.S. Braces For More Freezing Cold As Winter Storm Leaves 29 Dead

The U.S. work week opened with yet more snow dumping on the Northeast under the tail end of a colossal winter storm that brought ice and power outages, impassable roads, canceled flights and frigid co...

· 1d

US Storm Leaves 1 Million Without Power, Forces 10,000 Flight Cancellations

· 1d

Massive winter storm across the US brings ice, frigid temperatures and widespread power outages

· 23h

Winter storm: Death toll rises as winter storm continues dumping snow across the U.S

The weather has been blamed for the deaths of seven people, three in Tennessee, two in Louisiana, one in Texas, and one in Kansas, according to local officials.

· 14h

NYC sees biggest snow storm in years; NJ Transit trains still suspended

· 1d

Over 10,000 U.S. Flights Already Canceled Sunday Due to Winter Storm

WUSF Public Media

The science behind the polar vortex. Could Florida be impacted?

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is the polar vortex, exactly?

How the polar vortex and warm ocean are intensifying a major US winter storm

The biggest swings in the jet stream are associated with the most energy. Under the right conditions, that energy can bounce off the polar vortex back down into the troposphere, exaggerating the north-south swings of the jet stream across North America and making severe winter weather more likely.

The News Journal

Polar vortex grips region; what is it and can it cause frostbite?

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such weather conditions could cause. And since thousands of ...

KGW8

What happens during a polar vortex?

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States during late January 2019. The city of Chicago ...