Temperatures this weekend are forecast to plunge well below zero in Colorado Springs and Pueblo - to lows only seen every few ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

The two most important patterns impacting us now are the Arctic Oscillation (AO), and the Pacific North-American Oscillation ...

A powerful pattern is setting the stage for an amplified jet stream that will shunt cold air south, and the roots of this ...

After that, the forecast is a lot more cloudy. Some forecast models project that the Arctic Oscillation, which approximates ...

Once the La Nina pattern transitions to a neutral pattern, we are expected to stay there for the bulk of 2025. There is no ...

Arctic air remains settled over southern Colorado on Wednesday with negative morning wind chills and freezing fog giving way to chilly afternoon sunshine. Another weak snowstorm arrives Thursday.

On Sunday, a tongue of cold air from northwest Canada slid into the United States, putting Charleston in the midst of a polar ...

Finally, if you want to geek out on weather parameters to watch during winter, look for a negative North Atlantic Oscillation, which can mean more East Coast storms. A positive Arctic Oscillation ...

The Southern Oscillation Index (SOI) has been firmly positive now for ... That the stratospheric warming event will weaken the polar vortex allowing it to move south; La Niña Modoki; The largest ozone ...