SAN DIEGO (FOX 5/KUSI) — The National Weather Service issued a Flood Advisory for parts of San Diego and Riverside counties on Sunday due to heavy rainfall from thunderstorms sweeping across some areas of the region. The advisory will remain in place until 4:12 p.m.
According to the NWS, Doppler radar detected intense rainfall beginning around 2:13 p.m., with up to 0.75 inches of rain already fallen in some areas. An additional 0.5 to 1 inch of rain is expected, potentially triggering minor flooding, especially in low-lying areas and places with poor drainage.
Areas most affected
The advisory covers several rural and mountainous regions, including:
- Southeastern Anza
- Highway 79 between Warner Springs and Oak Grove
- Warner Springs
- Highway 79 between Santa Ysabel and Warner Springs
- Cahuilla Indian Reservation
- Los Coyotes Indian Reservation
Hazards and precautions
Officials warn that some low-water crossings may become impassable, and drivers are urged to take precautions.
“Turn around, don’t drown,” the NWS reminded residents. “Most flood deaths occur in vehicles.”
Motorists traveling through hilly or rural areas should be especially cautious, as these regions often contain dozens of low water crossings that can quickly flood during heavy downpours.
Residents are encouraged to monitor the latest forecasts and advisories through the NWS at weather.gov/safety/flood.
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