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

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

Warm conditions across much of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

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

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

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

A "major disruption" has recently rocked the Arctic polar vortex, causing it to weaken and reverse direction from ...

The polar vortex in the stratosphere broke up, which caused the movement of cold Arctic air towards southern latitudes, ...

Overnight low temperatures in the upper 50s are normal for February, not April, but we may see them this weekend in South ...