970  
WGUS86 KMTR 102137  
FLSMTR  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
237 PM PDT WED SEP 10 2025  
 
CAC055-110030-  
/O.NEW.KMTR.FA.Y.0044.250910T2137Z-250911T0030Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
NAPA CA-  
237 PM PDT WED SEP 10 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 530 PM PDT THIS AFTERNOON  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTHERN CALIFORNIA, INCLUDING THE FOLLOWING  
COUNTY, NE NAPA.  
 
* WHEN...UNTIL 530 PM PDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 236 PM PDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA. UP TO 1 INCH OF RAIN HAS  
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...  
MAINLY RURAL AREAS OF NORTH CENTRAL NAPA COUNTY.  
- HTTP://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 3869 12220 3869 12234 3872 12245 3877 12242  
3877 12240 3879 12241 3880 12240 3880 12238  
3882 12237 3886 12240 3886 12239 3885 12238  
3884 12235 3885 12232 3884 12231 3884 12229  
3878 12226 3875 12225 3873 12223 3870 12222  
 
 
 
FLYNN  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page