Kelly Curran takes a look at how much snow could fall in the Sierra on Saturday, Nov. 23. This forecast is from 8 a.m.

An atmospheric river storm dumped five months of rain in four days over Sonoma County, Calif., north of San Francisco. NBC ...

The worst of the intense atmospheric river that slammed the North Bay, causing intense rainfall, flooding and road closures, ...

Forecasters said a final round of rain, snow and high winds were targeting the Pacific Northwest and Northern California ...

Donald Trump has been elected the 47th president of the United States, NBC News projects — overcoming polls, prosecutions and ...

Some San Francisco roadways and neighborhoods experienced minor flooding Friday as the atmospheric river dumped heavy rain on ...

A developing storm system forecast to swing off the Oregon and Washington coastline on Friday will add to the region's ...

A bomb cyclone occurs when a storm's pressure drops quickly, which intensifies the storm and ramps up wind gusts. Atmospheric ...

A powerful atmospheric river storm that drenched the North Bay for two days in a row and set rainfall records moved south ...

Flash flood warnings were issued Friday afternoon for several Bay Area counties where instances of flooding deemed ...

In recent years, "atmospheric river" has become used much more frequently in scientific papers and in media coverage.

Overall, the city has received more than 2.64 inches during the atmospheric river event from Wednesday through Friday. More ...