A mandatory evacuation order was issued Thursday for areas around the Airport Fire burn scar in Orange County due to potential debris flows.

Street flooding and mudslides, and a weak tornado, were reported across the region as the storm barreled through Thursday evening.

Heavy rain from the latest atmospheric river triggered flood warnings in several Bay Area counties and evacuations in Santa Cruz County Thursday.

With a potentially dangerous storm bearing down on the Southern California, evacuation warnings will take effect in multiple areas Thursday amid fears that steady downpours could spark flooding, mudslides and debris flows.

As Los Angeles braces for its most powerful storm of the season, concerns of mudslides and debris flows in recently fire-hit areas have prompted evacuation warnings.

A mandatory evacuation order has been issued for the Line Fire burn area in Highland. The evacuation order applies to the area south of Greenspot Road between Church and Merris streets due to potential mud and debris flow from storm, according to San Bernardino fire officials.

A mandatory evacuation order was issued Thursday for areas around the Airport Fire burn scar in Orange County due to potential debris flows.

An evacuation warning will go into effect thursday morning for several canyon areas near the Airport Fire burn scar in Orange County.