Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...

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 by ...

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 ...