442  
WGUS86 KSGX 141632  
FLSSGX  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
932 AM PDT TUE OCT 14 2025  
 
CAC071-141900-  
/O.NEW.KSGX.FA.Y.0066.251014T1632Z-251014T1900Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAN BERNARDINO CA-  
932 AM PDT TUE OCT 14 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL NOON PDT TODAY  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF SOUTHWEST CALIFORNIA, INCLUDING THE FOLLOWING  
COUNTY, SAN BERNARDINO.  
 
* WHEN...UNTIL NOON PDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 932 AM PDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA. BETWEEN 0.5 AND 1.5 INCHES OF  
RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
FONTANA, I-15 THROUGH THE CAJON PASS, RANCHO CUCAMONGA,  
UPLAND, HWY 138 BETWEEN I-15 AND HWY 2 AND SAN ANTONIO  
HEIGHTS.  
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
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 3411 11770 3417 11768 3429 11765 3434 11765  
3435 11745 3412 11747  
 
 
 
MUNYAN  
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