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

An atmospheric river continued to drench the Bay Area on Friday, triggering flash flood warnings due to the intense rainfall.

More than a foot of rain is forecast in Northern California and southwest Oregon, likely causing life-threatening flash ...

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

Officials are warning San Francisco residents of dangerous flooding as a powerful atmospheric river propelled by a churning ...