A map shows weather conditions on the West Coast this week. Multiple atmospheric river events will batter the region, bringing heavy rain and snow as people head out for the holiday season.

Atmospheric rivers have shaped the West Coast’s history in unforgettable ways. In January 1862, a series of atmospheric rivers turned California’s Central Valley into an inland sea, a disaster ...

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: ...

More than 50 atmospheric rivers hit the West Coast from fall 2023 through spring 2024, and that had impacts on western U.S. rain and snowpack, according to a just-released report.

How upcoming atmospheric rivers will impact the West Coast's weather patterns and ecosystems this coming week. Menu. How A Series Of Atmospheric Rivers Could Pile Up And Drench The West Coast.

Repeated atmospheric rivers are hitting the West Coast into next week, fueling flood risk. Up to 15 inches of precipitation could fall along the North Coast and other parts of Northern California ...

Just a few of these rivers can bring about 30-50% of annual precipitation on the West Coast, according to NOAA, and have been found to be stronger and more frequent during strong El Niño years ...

To many, atmospheric rivers are a West Coast phenomenon. But they’re also responsible for devastating storms that can hit the Central and Eastern U.S.