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 ...

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.

Two atmospheric rivers dumped heavy rain from the valley to the Sierra resulting in rises on area waterways. Here's how the ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier stretch ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

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.