The image below from the National Oceanic and Atmospheric Administration shows the bomb cyclone and the atmospheric river below it dumping precipitation on Northern California and surrounding states.

Up to 16 inches (about 41 centimeters) of rain was forecast in southwestern Oregon and California’s northern counties through Friday. A ‘bomb cyclone’ is bearing down on the West Coast.

SEATTLE (AP) — Northern California and parts of the Pacific ... The storm system is considered a “ bomb cyclone,” which occurs when a cyclone intensifies rapidly. The areas that could ...

A powerful winter storm, brewing this week over Northern California and the Pacific Northwest, is what meteorologists call a bomb cyclone. And it’s dragging an atmospheric river with it ...

A bomb cyclone pounding Northern California and the Pacific Northwest with heavy rain and strong winds was already blamed for two deaths and will likely fuel flooding, rock slides, debris flows ...

The Bay Area and Northern California were seeing the impacts of a storm fueled by a strong atmospheric river and intensified by a bomb cyclone off the Pacific Northwest coast. The storm was ...

Northern California could see heavy rain ... experts call a “bombogenesis,” commonly referred to as a “bomb cyclone.” Here’s what you need to know: “Atmospheric rivers are relatively ...

Bomb cyclones have impacted the U.S. a few times ... The NWS predicted last month the seasonal temperatures in northern California and the Pacific Northwest would remain about the same between ...

The season’s first major atmospheric river system is pummeling much of Northern California and and the Pacific Northwest, supercharged by a bomb cyclone. The monster storm is kicking off ...

SEATTLE — Northern California and the Pacific Northwest are ... has intensified so quickly that it is considered a “ bomb cyclone,” explained Richard Bann, a meteorologist with the National ...