289
FGUS76 KSGX 190931
ESFSGX

Hydrologic Forecast for Extreme Southwestern California
National Weather Service San Diego CA
231 AM PDT Sat Jul 19 2025

...Flash Flood Potential Index for Extreme Southwestern California...

.SYNOPSIS...
For today, there will be sufficient remaining moisture for thunderstorm
development over the San Bernardino Mountains, High Desert, Riverside
County mountains and San Diego County mountains during the afternoon
with the potential for isolated brief heavier rainfall.

$$

CAZ055-056-058-200130-
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove,
Julian, and Pine Valley
231 AM PDT Sat Jul 19 2025

.TODAY...Low...the risk of flash flooding is minimal.
.SUNDAY...None...no flash flooding is expected.

$$

CAZ043-048-050-057-060>062-065-552-554-200130-
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Santa Ana Mountains and Foothills-
Apple and Lucerne Valleys-Coachella Valley-
San Diego County Deserts-San Gorgonio Pass near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas,
Chula Vista, National City, San Diego, Riverside, San Bernardino,
Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona,
Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway,
Victorville, Hesperia, Apple Valley, Lucerne Valley, Indio,
Palm Springs, Cathedral City, Palm Desert, Palm Desert Country,
La Quinta, Coachella, Borrego Springs, Huntington Beach,
Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana,
Anaheim, Garden Grove, Irvine, Orange, Fullerton,
and Mission Viejo
231 AM PDT Sat Jul 19 2025

.TODAY...None...no flash flooding is expected.
.SUNDAY...None...no flash flooding is expected.

$$