621
WGUS56 KSGX 181958
FFWSGX
CAC071-182300-
/O.NEW.KSGX.FF.W.0007.250718T1958Z-250718T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
1258 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 400 PM PDT.
* AT 1258 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 1.5 INCHES
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...
HESPERIA, LAKE ARROWHEAD, HWY 173 BETWEEN LAKE ARROWHEAD AND
HESPERIA, SKYFOREST, CEDAR GLEN AND TWIN PEAKS.
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.
MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE-THREATENING FLOODING OF
CREEKS, ROADS AND NORMALLY DRY ARROYOS IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES, MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN, ESPECIALLY IN AND AROUND THESE AREAS.
LAT...LON 3425 11710 3424 11717 3424 11724 3438 11728
3438 11713
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.75-1.25 INCHES IN 1 HOUR
MUNYAN
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