Atmospheric rivers are long bands of water vapor that move through the sky. They can be 250 miles wide and 1,000 miles in length. They are the largest rivers of fresh water on the planet. And they're ...

A bomb cyclone is a low pressure system that experiences a fall in pressure of 24 millibars in 24 hours, according to the ...

A series of storms fueled by a strong atmospheric river is taking aim at the Bay Area and Northern California, intensified by ...

The National Weather Service says an atmospheric river is expected to hit parts of the ... which can be deceptively deep and ...

An atmospheric river is a flowing column of condensed water vapor responsible for producing significant levels of rain and ...

The Sacramento Valley's wet/dry weather extremes are in part due to one such atmospheric river that can flow through the ...

Through the weekend, the North Bay could see an additional 2 to 4 inches of rain, with up to 2 inches expected for San ...

A flood watch will begin early Wednesday morning for much of the North Bay, according to the National Weather Service. The ...

The first atmospheric river storm of the season is forecast to slam into Northern California starting Wednesday, a powerful ...

An atmospheric river storm system expected to deliver a blow to Northern California this week has triggered a flood watch and ...

Over a month’s worth of rain, hurricane-force wind gusts and feet of mountain snow are coming to parts of the Pacific ...

The busiest travel holiday in America is next week, and the American Automobile Association (AAA) is predicting record-breaking numbers of road trips, flights and ...