Tens of thousands of homes in Washington state lost power Tuesday and downed wires or trees locked some highways as Northern ...

The low pressure system mixed with sup-tropical moisture is expected to bring about 3 to 6 inches of rain to the North Bay ...

It may be sunny skies Tuesday, but an atmospheric river, supercharged through "bombogenesis," is about to hit the Bay Area.

KTVU's Mark Tamayo explains how a bomb cyclone differs from an atmospheric river as the Bay Area sees its first major storm ...

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

A massive plume of moisture from the Pacific called an atmospheric river will hit the West Coast on Tuesday afternoon and ...

Northern California and the Pacific Northwest are bracing for what is expected to be the strongest storm of the season so far ...

Meanwhile, Southern California this week will see dry conditions amid gusty Santa Ana winds that could raise the risk of ...

Northern California and the Pacific Northwest residents on Tuesday were bracing for the strongest atmospheric river storm ...

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

Starting Tuesday, the Pacific Northwest could get at least 6 inches of rain, with 20-plus inches possible in the mountains.

The Northwest is bracing for a strong storm system to move in this week, fueled by an atmospheric river​ and bomb cyclone. What do those terms mean?