567
WGUS86 KMTR 202211
FLSMTR
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
211 PM PST WED NOV 20 2024
CAC097-210400-
/O.CON.KMTR.FA.Y.0074.000000T0000Z-241121T0400Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SONOMA CA-
211 PM PST WED NOV 20 2024
..FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING
* WHAT...URBAN AREA AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE
RAINFALL CONTINUES.
* WHERE...NORTHERN AND CENTRAL SONOMA COUNTY, INCLUDING THE SONOMA
COASTAL RANGES, THE 101 CORRIDOR INCLUDING THE CITY OF SANTA ROSA,
AND THE MAYACAMAS.
* WHEN...UNTIL 800 PM PST.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS,
RISES IN SMALL STREAMS, OVERFLOWING POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 209 PM PST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES
INDICATED HEAVY RAIN. THIS IS CAUSING URBAN AND SMALL STREAM
FLOODING. BETWEEN 2 AND 3.5 INCHES OF RAIN HAVE FALLEN.
- SANTA ROSA CREEK AND COLGAN CREEK ARE ALREADY EXPERIENCING
MINOR FLOODING. MARK WEST STATION ROAD HAS BEEN CLOSED DUE TO
FLOODING.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SANTA ROSA, ROHNERT PARK, WINDSOR, HEALDSBURG, CLOVERDALE,
SEBASTOPOL, COTATI, LARKFIELD-WIKIUP, ROSELAND, SOUTH SANTA
ROSA CDP, FORESTVILLE, GUERNEVILLE, GRATON, MONTE RIO,
OCCIDENTAL, SOUTH SANTA ROSA, AND CAZADERO.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
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.
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 3831 12265 3834 12292 3840 12302 3858 12320
3878 12319 3884 12290 3885 12282 3884 12280
3880 12275 3875 12271 3872 12279 3843 12254
3839 12255
DIALH
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