Heavy flash flooding has hit southern California over Christmas, forcing hundreds to evacuate and leaving four dead. An “atmospheric river storm” brought 11 inches (27 cms) of rainfall to some parts of Los Angeles County, triggering huge mudslides which resulted in power outages and road closures. Video footage shared by San Bernadino County Fire on Wednesday (24 December) shows fast moving floodwater battering properties in a mountain resort. California's Governor Gavin Newsom declared a state of emergency on Wednesday in Los Angeles and other southern Californian counties. The California National Guard was placed on standby.

Officials in Los Angeles and surrounding counties warned that a \

Forecasters said Southern California could see its wettest Christmas in years and warned about flash flooding.

High winds, torrential rains and localized river flooding could make the Christmas holiday particularly challenging across Southern California.

A powerful storm hits Southern California, causing flash floods, mudslides, and evacuation warnings amid hazardous travel conditions for the holidays.

Over a month's worth of rain is expected in a few days across parts of Southern California, forecasters warned.

Southern California is bracing for another powerful storm system that could cause more flooding and mudslides.

The National Weather Service said waves near the San Francisco Bay Area could reach up to 25 feet Friday.

Two have died as stormy weather enveloped Southern California on Wednesday and is expected to continue through Friday, causing a state of emergency and evacuations.

The storms have brought flash flooding and mudslides during a time of busy holiday travel.

Atmospheric rivers carried massive plumes of moisture from the tropics during one of the busiest travel weeks of the year.

Heavy flash flooding has hit southern California over Christmas, forcing hundreds to evacuate and leaving four dead. An “atmospheric river storm” brought 11 inches (27 cms) of…

Mudslides, big waves and atmospheric rivers slam state after LA’s wettest Christmas season in 54 years

Three people are dead after storms and flash flooding in California over the Christmas holiday, and more are expected to disrupt flights this weekend.

The the region's latest atmospheric storm dumped 6 inches of rain in the Los Angeles area with up to 18 inches of rain in the mountains.

Although rainfall was tapering off on Friday, a flood watch remained in effect for much of Southern California.