Obviously this isn't the first polar vortex episode of the winter, but it looks to be the most severe." FILE - A person walks along the shore of ice covered Lake Michigan, Feb. 13, 2025, in Chicago.

But in the years between 1998 and 2015, they jumped to an average of 7 days. While weak vortexes became more frequent, strong vortex events dropped from 12 to just 6 days over the same time frame.

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

Rapid changes from wet to dry weather can create severe natural disasters. And these precipitation whiplash events are ...

Unless society stops pumping more greenhouse gases in the air, “we can expect multiple factors to worsen summer extremes,” a ...

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and that may explain why long-range computer forecasts keep ...

The United States is experiencing its first significant heat ... (The changing jet stream is also impacting our winters, ...

AccuWeather Lead Long Range Forecaster and Senior Meteorologist Paul Pastelok said the average temperature in June is 64.6 ...

Jesse Stacken, a weather monitor who is part of the Community Collaborative Rain, Hail & Snow Network (CoCoRaHS), has recorded rainfall at his Beacon home 31 out of 50 days since the beginning of May.