Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows. They have ...

Mandatory evacuations were ordered in Sierra Madre Thursday morning amid the looming threat of mudslides and debris flows, but some residents said the ...

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

A tractor-trailer jackknifed at the intersection of the 60 and 215 freeways in Riverside Thursday morning as rain made for a ...

A significant winter storm is set to impact California with rain and snow, but flash floods and mudslides may follow.

Heavy rain is hitting the Bay Area and coastal areas this week as an atmospheric river moves through Northern California.

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

KEVIN KNODELL / KKNODELL @STARADVERTISER.COM The road through Kolekole Pass is a narrow, winding one-way road up the rugged Waianae Mountains that has been plagued and damaged by rock falls and ...

EDITOR: I drive by Montgomery High often and have seen the new building going up at a cost, I’m guessing, hundreds of ...

The atmospheric river storm hitting Northern California is set to bring heavy rain to the San Francisco Bay Area on Tuesday, potentially triggering flooding. In the mountains, the National Weather ...

Ariana Drehsler for The New York Times “None of this is personal in any way or shape or form,” Mr. Newsom told ... we have fires, we have mudslides,” said Mr. Davis, who was governor from ...