A powerful atmospheric river is slamming into Northern California and is expected to persist for days. Its effects, coupled with a bomb cyclone offshore, are being felt across the Pacific Northwest.

A major storm was sweeping across the northwest, battering the region with strong winds and rain and causing widespread power ...

A record-strong low-pressure system will steer an atmospheric river into California, create blizzard conditions in Washington and bring strong, damaging winds.

A "bomb cyclone" riding a long atmospheric river toward the West Coast is expected to bring more than a foot of rain to parts of Northern California and 30-foot waves to the Oregon coast, but the ...

Northern California is expecting heavy rain from a "bomb cyclone." The term pops up from time to time in weather stories. But ...