307
WGUS86 KMTR 140022
FLSMTR
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
522 PM PDT MON OCT 13 2025
CAC001-013-140315-
/O.NEW.KMTR.FA.Y.0053.251014T0022Z-251014T0315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALAMEDA CA-CONTRA COSTA CA-
522 PM PDT MON OCT 13 2025
..FLOOD ADVISORY IN EFFECT UNTIL 815 PM PDT THIS EVENING
* WHAT...URBAN AREA AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE
RAINFALL IS EXPECTED.
* WHERE...A PORTION OF NORTHERN CALIFORNIA, INCLUDING THE FOLLOWING
COUNTIES, SOUTHEASTERN ALAMEDA AND EASTERN CONTRA COSTA.
* WHEN...UNTIL 815 PM PDT.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 522 PM PDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL STREAM
FLOODING. UP TO 0.5 INCHES OF RAIN HAVE FALLEN.
- ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE EXPECTED OVER
THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANTIOCH, LIVERMORE, PLEASANTON, PITTSBURG, DUBLIN, OAKLEY,
BRENTWOOD, DISCOVERY BAY, BYRON, KNIGHTSEN, BLACKHAWK-CAMINO
TASSAJARA, SUNOL, LOS VAQUEROS AND BETHEL ISLAND.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.
LAT...LON 3804 12188 3800 12171 3801 12171 3801 12168
3803 12173 3806 12168 3809 12167 3809 12158
3804 12159 3802 12156 3801 12158 3798 12158
3792 12156 3786 12158 3785 12154 3782 12156
3757 12156 3753 12187
FLYNN
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