Flood Potential Outlook
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
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725 FGUS76 KSGX 182257 ESFSGX Hydrologic Forecast for Extreme Southwestern California National Weather Service San Diego CA 357 PM PDT Wed Sep 18 2024 ...Flash Flood Potential Index for Extreme Southwestern California... .SYNOPSIS... There is a 15-30% chance of showers late tonight into Thursday morning for the mountains westward, and again late Thursday night into Friday for all areas except the low deserts. There is also a slight chance of thunderstorms on Friday across portions of the Riverside and San Bernardino County mountains and high desert. Rainfall rates will generally be less than 0.15 inch/hour, locally up to 0.25 inch/hour in heavier showers/thunderstorms on Friday. This will limit the flash flooding threat. $$ CAZ055-056-060-191315- San Bernardino County Mountains-Riverside County Mountains- Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Victorville, Hesperia, Apple Valley, and Lucerne Valley 357 PM PDT Wed Sep 18 2024 .TONIGHT...None...no flash flooding is expected. .THURSDAY...None...no flash flooding is expected. .FRIDAY...None...no flash flooding is expected. $$ CAZ043-048-050-057-058-061-062-065-552-554-191315- San Diego County Coastal Areas- San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-Santa Ana Mountains and Foothills- San Diego County Mountains-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, Julian, Pine 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 357 PM PDT Wed Sep 18 2024 .TONIGHT...None...no flash flooding is expected. .THURSDAY...None...no flash flooding is expected. .FRIDAY...None...no flash flooding is expected. $$