El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

The western Coachella Valley will likely end up receiving around an inch of rain as an atmospheric river moves through Southern California on Thursday and early Friday, a National Weather Service ...

Heather Waldman explains what you need to know about the possible flood risk in Northern California from rain in the forecast from Friday through Sunday. Marianne Faithfull, British singer and ...

A pineapple express is a type of strong atmospheric river that carries moisture towards the western U.S. causing the risk of flooding and heavy snow.

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.

Historic rains filled Greater Los Angeles reservoirs and shallow aquifers nearly to capacity in 2023. But drought conditions persisted in deeper aquifers, according to a new analysis of seismic data ...

SO THIS IS OUR ATMOSPHERIC RIVER. REMEMBER, THAT’S JUST MOISTURE HIGH UP IN THE ATMOSPHERE. THAT DOESN’T MAKE RAIN ON ITS OWN. YOU NEED STORM SYSTEMS TO COME THROUGH AND CARRY THAT MOISTURE ...

The polar vortex, Alessi explained, is a river of air in the upper atmosphere, higher than the jet stream, that circulates ...

The first arm of a storm system reached the Bay Area on Friday. For many, it’s a relief after an unseasonably dry few weeks ...

The first wave of rain, thanks to an atmospheric river known as the Pineapple Express ... lower than during the storm earlier in the week," explained Zehr. The mountains above 4,000 feet in ...