An atmospheric river is bringing multiple rounds of heavy rainfall across the Midwestern and Southern U.S. this week.

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation ...

The risk of flooding from a major tsunami may be greater than many realized along California’s coastline, state officials ...

A flash flood warning was issued by the NWS Los Angeles/Oxnard CA on Thursday at 4 p.m. in effect until 6 p.m. for Los Angeles.

California lands are classified as either moderate ... The fire hazard severity zone maps are like flood zone maps, and they ...

The maps, updated with new data and modeling, show the potential inland reach of a tsunami in a worst-case scenario. Areas of concern include Alameda, Monterey, and San Mateo counties, where ...

A flood watch will go into effect Wednesday afternoon across much of Los Angeles and Ventura counties as weather officials warn about heavy rainfall and debris flows. Several areas in Southern ...

A flood watch remains in effect Thursday for parts of Southern California as the region experiences rainfall and flooding conditions. The National Weather Service issued a flash flood warning for ...

Nearly 30 tornadoes were confirmed after the first wave of the storm, which will extend into the weekend. Mud smeared streets ...

Meteorologists say a colossal storm could impact every region of the country, first rolling ashore along the Pacific Coast on Wednesday, bringing soaking rain and heavy snow to California and ...