Devastating, life-threatening floods have already started in some states as an atmospheric river causes heavy rainfall.

Then a powerful atmospheric river is expected to arrive early Wednesday ... Officials said they expect to issue a flood watch alert from 6 p.m. Wednesday to 6 p.m. Thursday.

The atmospheric river arrived on Tuesday ... Some areas in Southern California were at risk of rainfall rates of 1 inch per hour, which can cause flash flooding. NWS meteorologist Adam Roser ...

LOS ANGELES—An atmospheric river storm is pounding parts of California on Friday after ... scar to shelter in place Wednesday night due to flooding and debris flows that were imminent or occurring.

The National Oceanic and Atmospheric Association ... flooding up the lower Little Miami River as far upstream as Newtown occurs, worsening flooding in California and Anderson Township.

As of Friday morning, the American Global Forecast System (GFS) model had removed the storm from Northern California altogether. Because of this change, the KCRA 3 weather team has removed Wednesday's ...

A new study reveals how an atmospheric river led to more devastation after two earthquakes hit Türkiye and Syria, ...

At least eight people have been killed in a wide swath of violent storms, flooding and tornadoes that hit the South and ...