Heather Waldman explains what you need to know about the possible flood risk in Northern California from rain in the forecast ...

The KCRA 3 weather team is issuing Impact Days through Tuesday because back-to-back storm systems will bring waves of rain and snow that can affect outdoor activities and travel.

A warm, wet storm originating in Hawaii will be pulled north toward California bringing heavy rain and localized flood risk.

The poleward movement of atmospheric rivers can be explained as a chain of interconnected ... found that the trend in summertime atmospheric river activity may contribute 36% of the increasing ...

Fri, January 31, 2025 at 12:26 AM UTC ...

Scientists say a warming planet may have been responsible for a winter storm that dropped 10 inches of snow on Northwest ...

The mountains and foothills of Los Angeles County are in “extreme drought” conditions, about 36% of the county, explained ...

The polar vortex, Alessi explained, is a river of air in the upper atmosphere, higher than the jet stream, that circulates around the Arctic. When the polar vortex is disrupted, as sometimes ...

"The shape of the ripples could only have been formed under water that was open to the atmosphere and acted upon by wind," Mondro explained ... or the moist clays of river deltas.