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

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

Because there is typically a lag in how the near-surface atmosphere responds to the polar vortex, this would mean unusually cold temperatures affecting parts of North America and Eurasia at the ...

When the polar vortex collapsed in the middle of March, the planet's weather patterns were redrawn. That could mean snow for ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

Accuweather Senior Meteorologist Paul Pastelok says the March polar vortex disruption is one of the largest meteorologists have seen in a long time. A polar vortex is a large area of low pressure ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

DON’T MISS: This is what La Niña's demise could mean for Canada The polar vortex is an ever-present circulation of upper-level winds spiralling around the Arctic, strengthening in the winter ...

Sudden stratospheric warming events usually come in two possible flavors in which the polar vortex either displaces off the pole or splits into two smaller vortexes. This particular event may be a ...