Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

The strongest storm in a year is set to pound Southern California this week, with forecasters warning of potential widespread roadway flooding and the chance of landslides throughout the region — ...

A series of gales and strong winds coming across the Pacific Ocean are forecasted to bring rain, wind, snow and swell to the ...

Fresno could face below-freezing temperatures this week before an atmospheric river-fueled storm brings warmer temperatures ...

A new atmospheric river will bring a new rainstorm to the Los Angeles area in the middle of the week, forecasters say.

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

The earlier 2018 study was called “ARkStorm,” nodding to Noah’s biblical flood and atmospheric rivers generally. The report ...

Two snow and ice storms threatened to roll across the Midwest and East this week. And a possible atmospheric river may sweep ...

Another atmospheric river is preparing to take aim at the Bay Area and Central California, bringing “impactful rain,” flash ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier stretch ...

A couple of inches of rain will hit parts of Southern California by Wednesday. KTLA's Kacey Montoya reports on Sunday, Feb. 9 ...

An atmospheric river is heading to Southern California by the middle of the week, and forecasters are becoming more and more confident that it’ll hit hard. The storm is expected to roll in ...