An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, triggering evacuation ...

An atmospheric phenomenon ... heavy rains and snowfall to California and the Northwest this week. What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract ...

After a relatively weak storm expected to arrive in L.A. late Thursday, forecasters say a potentially more powerful storm ...

The second of three atmospheric rivers is battering the West, bringing prolific mountain snows and soaking rains in the lower elevations and driving the risk of flooding and avalanches. Yet ...