Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

FILE - Residents evacuate past damaged vehicles after storms caused a mudslide, Monday, Feb. 5, 2024, in the Beverly Crest area of Los Angeles. (AP Photo/Marcio Jose Sanchez, File) ...

A tight storm system named Winter Storm Jett will force a potent branch of the pineapple express ashore across the West Coast, bringing heavy rain and snow across the region. The atmospheric river ...

At San Francisco State University on Wednesday afternoon, grey skies loomed over a group of Alphi Phi members who were ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: What is an ...