500
WGUS86 KMTR 170819
FLSMTR
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1219 AM PST MON NOV 17 2025
CAC041-055-097-171115-
/O.NEW.KMTR.FA.Y.0075.251117T0819Z-251117T1115Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARIN CA-NAPA CA-SONOMA CA-
1219 AM PST MON NOV 17 2025
..FLOOD ADVISORY IN EFFECT UNTIL 315 AM PST EARLY THIS MORNING
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...A PORTION OF NORTHERN CALIFORNIA, INCLUDING THE FOLLOWING
COUNTIES, NORTHERN MARIN, NAPA AND SONOMA.
* WHEN...UNTIL 315 AM PST.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 1219 AM PST, 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 INCH OF RAIN
HAS 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...
SANTA ROSA, NAPA, PETALUMA, NOVATO, ROHNERT PARK, WINDSOR,
AMERICAN CANYON, HEALDSBURG, SONOMA, SEBASTOPOL, COTATI, ST.
HELENA, CALISTOGA, SOUTH SANTA ROSA CDP, ROSELAND, LARKFIELD-
WIKIUP, BOYES HOT SPRINGS, BLACK POINT-GREEN POINT, TOMALES
AND DILLON BEACH.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.
LAT...LON 3808 12283 3845 12313 3859 12334 3871 12246
3884 12239 3884 12229 3859 12213 3833 12206
3832 12221 3816 12220 3816 12241 3803 12250
3815 12253 3800 12301 3815 12295 3823 12299
KENNEDY
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