The National Weather Service (NWS) has issued a Flash Flood Watch for the Cuyama Valley, Santa Barbara County mountains, interior valleys of San Luis Obispo County, and the San Luis Obispo County mountains from 7:30 p.m. Saturday until 9 p.m. on Sunday.
According to the Santa Barbara County Office of Emergency Services, the Flash Flood Watch includes parts of the Cave Fire burn area.
NWS says rainfall rates up to around one-inch per hour are possible as a result of potential thunderstorms.
Remnant moisture from TS Genevieve will bring a risk of thunderstorms to much of SW CA tomorrow (and likely through Sun) with Flash Flooding possible over interior areas. #CAwx #SoCal pic.twitter.com/T2xKjUTgcS— NWS Los Angeles (@NWSLosAngeles) August 21, 2020
Flash flooding could also lead to mud and debris flows, particularly in recent burn areas. Residents in those areas are advised to remain alert and take steps to protect their property.
According to the National Weather Service, remnants of Hurricane Genevieve are moving over Southern California this weekend.
There's also a chance of lightning at Southern California beaches this weekend, so beachgoers are warned to pay attention to lifeguards and seek shelter if told to evacuate.
There is a possibility of beach lightning over the weekend for #SoCal beaches. Seek shelter if you hear thunder or see lightning - do not wait until it's close! Remember, beach gazebos are not a safe place to shelter! #CAwx #LAweather pic.twitter.com/mpck0bWUtr— NWS Los Angeles (@NWSLosAngeles) August 22, 2020