In late January, a snowpack update was cause for concern, but the Sierra Nevada mountains have started to recover.

The 2025 water year took a big step forward in February after atmospheric rivers delivered rain and snow to California.

A powerful storm hitting California this week promised to bring much-needed rain and snow—and a ray of hope for the state’s recent drought. While issuing flash flood warnings to parts of Ventura ...

Almost all of Clark County remains under “extreme” drought conditions, with the northwestern corner under even more intense ...

Thursday’s storms followed two days of heavy snow and freezing rain in a swath of the eastern U.S. stretching from Kentucky ...

Snow and ice in whiteout conditions contributed to a pileup of as many as 30 cars on a major highway connecting Oregon and ...

The greater Los Angeles area has long been the subject of intense seismographic monitoring. A network of highly sensitive ...

Scientists using seismic data tracked groundwater levels beneath the L.A. area. They found heavy rains in 2023 boosted ...

The Los Angeles area’s groundwater remained depleted even after a series of historic atmospheric rivers struck the region in ...

Despite record rainfall in the region in early 2023, only a fraction of Southern California’s groundwater reserves has been replenished, researchers report. Their study, which leverages seismic noise ...