A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

SSW can weaken the polar vortex, resulting in cold arctic air moving south and causing extreme weather conditions. This marks ...

Spring may have technically sprung in the Northern Hemisphere, but the lingering impact of the collapsing polar vortex could ensure that chilly weather will stick around for a while longer across ...

April 5, 2025 - By Laura Ciasto and Amy Butler - After spending much of the season with super strong wind speeds, the polar ...

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

Another factor adding to the polar vortex stretching is a big blob of high pressure in the upper atmosphere over Greenland. It’s moving west and will push the jet stream — the river of air ...

Forecasters predict the warm weather streak will fade as pockets of cold fronts move into New England later this spring. Accuweather Senior Meteorologist Paul Pastelok says the March polar vortex ...