Following an unusually dry January, a powerful atmospheric river known as the ‘Pineapple Express’ has ... and its humidity falls — sometimes to less than 10%. Subscribe to our UPSC newsletter and stay ...

An atmospheric river is slamming portions of California, with multiple inches of rain expected to drench the area until the storm runs out of moisture Wednesday morning, forecasters say.

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, triggering evacuation orders for the area around the Russian River in Sonoma County. In addition ...

(Brian van der Brug / Los Angeles Times) A stronger atmospheric river is set to hit Northern California on Monday and then hit Los Angeles County on Tuesday, aiding hopes of a more definitive end ...

Weather researchers prepare to launch a radiosonde on a weather balloon into the sky Monday, Feb. 3, 2025, amid several waves of an atmospheric river that brought several inches of rain to the ...

But the main event is slated to begin tonight, which is when a powerful atmospheric river will likely drench the Bay Area with torrential rain, flooding risks and howling winds through Friday.

The atmospheric river is being driven by a low pressure system midway between Hawaii and the West Coast, as well as a secondary low-pressure system offshore of the Pacific Northwest. Both are ...