A "desert tsunami" may sound like something out of a fantasy novel, but it's a real (and incredibly rare) phenomenon in Death ...

Glen Canyon is revealing itself. David Brower, the first executive director of the Sierra Club and a three-time Nobel Peace Prize nominee, once said flooding Glen Canyon would be “America’s ...

At first glance, it might seem like just a massive structure tucked into a state park - but the Mount Morris Dam is far more than that. It’s a silent guardian, holding back disaster when the ...

This round of flooding and mudslides in California was brought on by an atmospheric river, which is a long, narrow plume of moisture carried from the tropics by wind. Research shows that an ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the ... cut off access to Topanga Canyon. The mudslide occurred ...

About 13 million people are under flood watches across California, where heavy rain is expected to produce flooding, mudslides and debris flows through Wednesday. The atmospheric river of moisture ...

LATEST Nov. 23, 6:15 a.m. Flood warnings have been canceled across the Bay Area as the worst of the storm hitting California moves south. Rain is expected to keep falling in the Bay Area on ...

Flood watches run through late Friday or early Saturday from the northern San Francisco Bay Area to the state border. Some locations in southwestern Oregon and Northern California are also under ...

The day of the flash flood began before dawn for hikers descending into a verdant canyon on an 8-mile (13-kilometer) trek along switchback trails to a village in the heart of the Havasupai ...