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

An atmospheric river is a long, narrow band of moisture that oftentimes comes ahead of a storm system. It's a big source of moisture for the Western U.S. and, specifically, the Sierra Nevada and ...

The first in what’s expected to be a series of three atmospheric river storms has arrived in California. Forecasters are hopeful the winter storms might finally lift Los Angeles County from the ...

After a series of back-to-back "rivers in the sky" in December, California hasn't seen many, which typically plague the state during the winter ... as a potent atmospheric river storm, the second ...

A prolonged atmospheric river event is set to continue delivering ... as January has brought a fairly dry and sunny winter, in contrast to last year, when ice and snow paralyzed the metro area.