Orange and Riverside counties are included in an updated flood advisory released by the National Weather Service on Thursday at 7:30 a.m. The advisory is in effect until 9:29 a.m.

A flood advisory was issued by the NWS San Diego CA on Thursday at 4:46 a.m. in effect until 7:43 a.m. for Riverside and San Bernardino counties.

A strong system bringing heavy rain, evacuation order and warnings, flood warnings and road closures is in the forecast Wednesday for Los Angeles and Orange counties and is expected to douse the region for the next three days.