811
WGUS86 KSGX 210636
FLSSGX
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN DIEGO CA
1036 PM PST THU NOV 20 2025
CAC059-065-071-073-210945-
/O.NEW.KSGX.FA.Y.0088.251121T0636Z-251121T0933Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ORANGE CA-RIVERSIDE CA-SAN BERNARDINO CA-SAN DIEGO CA-
1036 PM PST THU NOV 20 2025
..FLOOD ADVISORY IN EFFECT UNTIL 133 AM PST FRIDAY
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...A PORTION OF SOUTHWEST CALIFORNIA, INCLUDING THE FOLLOWING
COUNTIES, ORANGE, RIVERSIDE, SAN BERNARDINO AND NORTHERN SAN
DIEGO. INCLUDING THE AIRPORT BURN SCAR.
* WHEN...UNTIL 133 AM PST.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 1034 PM PST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES
INDICATED HEAVY RAIN. MINOR FLOODING IS ONGOING OR EXPECTED
TO BEGIN SHORTLY IN THE ADVISORY AREA. BETWEEN 0.25 AND 0.75
INCHES OF RAIN HAVE FALLEN. RAINFALL RATES OF 0.30 TO 0.70
INCHES PER HOUR ARE POSSIBLE.
- ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1 INCH ARE EXPECTED
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR
FLOODING AND POTENTIALLY DEBRIS FLOW OVER THE AIRPORT BURN
SCAR.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANAHEIM, RIVERSIDE, IRVINE, SAN BERNARDINO, FONTANA, MORENO
VALLEY, OCEANSIDE, ONTARIO, CORONA AND ORANGE. THIS ADVISORY
INCLUDES THE AIRPORT BURN SCAR.
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 3395 11778 3398 11780 3400 11779 3400 11777
3402 11777 3402 11773 3415 11768 3417 11746
3422 11741 3419 11731 3394 11694 3382 11698
3373 11682 3369 11687 3367 11693 3350 11695
3324 11721 3394 11794
CO
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