The National Weather Service of the National Oceanic and Atmospheric Administration Oxnard office has issued a Flash Flood Watch for Antelope Valley; Los Angeles; Los Angeles County Mountains excluding the Santa Monica Range; Los Angeles County San Fernando Valley; Los Angeles County San Gabriel Valley. The flash flood watch is in effect from 7pm this evening through Sunday evening for the recent burn areas of Santa Barbara, Ventura and Los Angeles counties. It is reported that a "plume of deep subtropical moisture will stream over southwestern California" and combined with storm fronts, could deposit 5 to 10 inches of rainfall by Monday. As rainfall is expected to taper off on Sunday and Monday, the possibilities that heavy rainfalls could occur again after Monday and Tuesday and may cause the flash flood watch to be extended. Then Wednesday, another storm system could affect the area with yet another storm system to affect the area through the Christmas holiday.
The National Weather Service states that the level of rainfall through Wednesday could be some of the highest levels of rainfall to hit the area in recent years and provides the following instructions to residents in the aforementioned areas:
"A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. RESIDENTS IN OR BELOW THE RECENTLY BURNED AREAS ARE URGED TO TAKE THE STEPS NECESSARY TO PROTECT THEIR PROPERTY. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT AND FOLLOW THE DIRECTIONS OF EMERGENCY PREPAREDNESS OFFICIALS."