Orange County is under a flash flood warning which was released by the National Weather Service on Thursday at 4:30 a.m. The warning is in effect until 7:30 a.m.

An updated flash flood warning was issued by the NWS San Diego CA on Thursday at 5:53 a.m. in effect until 7:30 a.m. for Orange County.

Los Angeles County is the focus of an updated flood advisory issued at 1:10 a.m. on Thursday by the National Weather Service. The advisory is in effect until 6 a.m.

The strongest wave of a powerful winter storm reached Southern California overnight, bringing flash flood warnings, dropping snow levels and a possible tornado. The heaviest rain was dumped during the early morning hours with rates near 1 inch per hour at times prompting officials to issue a flash flood warning for the Airport Fire burn