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Flash Flood Warning

Status

New Event Expired

Start Time

Fri 07/18/2025 06:30 PM EDT

End Time

Fri 07/18/2025 08:30 PM EDT

Significance

Warning

Impacts

High impact

Flash floodradar indicated
Flash flood damage threatconsiderable
Expected rainfall rate0.75-1.25 inches in 1 hour

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Diego CA 330 PM PDT Fri Jul 18 2025 The National Weather Service in San Diego has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 530 PM PDT. * At 330 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.25 inches of rain have fallen. The expected rainfall rate is 0.75 to 1.25 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Lucerne Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3449 11663 3453 11678 3466 11672 3467 11667 3462 11651 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...0.75-1.25 INCHES IN 1 HOUR