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.

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

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

More than 41 million Americans across California, Nevada and Arizona are under flood watches on Wednesday amid a rare, high risk for excessive rainfall and flooding.

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 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.

The California Post has hired Los Angeles Times sports columnist Dylan Hernandez and Dodgers beat writer Jack Harris, both writers announced Tuesday, as the New York Post’s West Coast offshoot prepares to launch next month.

Widespread Flash Flood Warnings were issued across the Los Angeles metro area and other parts of Southern California Wednesday, as a powerful storm slammed millions preparing for Christmas Eve with blinding rain.