Amid a coast-to-coast barrage of winter storms, a firehose of moisture is poised Thursday to bring heavy rains and high winds ...

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This jet stream gathers moisture from the tropics near the equator and ...

The Bay Area weather forecast has more rain and wind as another atmospheric river arrives and flood evacuations are issued ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...

Heavy rain is hitting the Bay Area and coastal areas this week as an atmospheric river moves through Northern California.

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 to a devastating fire weather season for ...

The first in what’s expected to be a series of three atmospheric river storms has arrived in California. Forecasters are hopeful the winter storms might finally lift Los Angeles County from the ...

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 ...