A potential disturbance in the polar vortex—a band of strong winds that normally keeps cold Arctic air locked over the North Pole—could allow cold air to spill south across much of the central ...

4 days ago · The map below shows a large, broad low-pressure area over North America, which is the lower Polar Vortex core. With its counterclockwise spin, this will create a northerly cold …

Dec 31, 2024 · Forecasts indicate that the Arctic polar vortex will deliver frigid winds across large portions of the U.S. in the new year.

Jan 20, 2025 · A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Nov 22, 2025 · A sudden stratospheric warming event has begun, deforming the Polar Vortex and setting the stage for a colder start to winter across the United States, Canada, and Europe.

Daily updated maps with analysis and forecast of arctic stratospheric temperature and vortex position. The maps may be viewed as html animations or as kmz archives to be shown in …

4 days ago · Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the United States.

6 hours ago · Potential weekend snow in eastern US to follow 1st of 3 polar vortex episodes The polar vortex is on the move with its Arctic blasts, but so are storms packing snow and ice. The …

Jan 17, 2025 · A polar vortex of brutally cold air that normally circles the Arctic will be spilling southward, starting this weekend and into next week, bringing below-freezing temperatures to …

Jan 8, 2025 · Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and severe weather conditions.