Residents of Los Angeles spent the day before Christmas under rain showers and winds of around 40 mph, while the New England area braces for heavy snow later in the week.

Officials in Los Angeles and surrounding counties warned that a "very dangerous" holiday storm could trigger "widespread flash flooding."

Torrential rains drenched Southern California on Wednesday, unleashing widespread flash flooding as authorities urged motorists to stay off roads and residents living downslope of wildfire-scarred foothills and canyons to evacuate.

Los Angeles County was placed under a tornado warning by the National Weather Service on Wednesday at 10:20 a.m. The warning is in effect until 10:45 a.m.

There were more than two dozen outages as of the morning of Dec. 24. An outage map shows restorations are expected to occur throughout the day.

Los Angeles County is the focus of an updated flood advisory issued at 7:33 a.m. on Wednesday by the National Weather Service. The advisory is in effect until noon.

Widespread Flash Flood Warnings were issued across the Los Angeles metro area and other parts of Southern California Wednesday, as a powerful Christmas Eve storm triggered mudslides and emergency evacuations across the region.

A tornado, flash flood and several storm warnings were active across Ventura and Los Angeles counties on Wednesday