A band of fast-spinning stratospheric winds normally keeps Arctic air bottled above the North Pole all winter. But when that circulation, known as the polar vortex, weakens and breaks apart, the cold ...

The snow has melted, the air is warm, and the first day of spring 2026 is near, but don't pull out the swimsuit just yet, because "false spring" in New York will be disrupted by the polar vortex split ...

NEW YORK - As a winter storm threatens to bring snow and colder air to parts of the Northeast and Mid-Atlantic, meteorologists are once again talking about the polar vortex — a powerful atmospheric ...

A cold front will bring plunging temperatures and snow to the Northeast this week. Polar vortex disruptions, caused by Sudden Stratospheric Warming, drive extreme cold southward. Officials advise ...

The snow has melted, the air is warm, and the first day of spring 2026 is near, but don't pull out the swimsuit just yet, because "false spring" in New Jersey will be disrupted by the polar vortex ...

The weather forecast is looking promising for warmer weather as the calendar turns to March. In the East, a dramatic warm-up is in the forecast, and the Climate Prediction Center's outlook for March 6 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Meteorologists are raising alarms as Florida braces for an unusual ...

A polar vortex split is expected to bring frigid Arctic air and single-digit temperatures to Ohio and the Great Lakes region later this month. The event is a full split of the vortex, which could lock ...

A new study reveals that Arctic ice loss could intensify extreme cold waves and disrupt winters on several continents.

A mass of Arctic air from Canada is bringing brutally cold temperatures to the northeastern United States. Vermont is under Extreme Cold Warnings, with wind chills expected to reach 20 to 40 below ...