Home Contra Costa County National Weather Service Issues Urban and Small Steam Flood Advisory

National Weather Service Issues Urban and Small Steam Flood Advisory

by ECT

At 4:30 am Tuesday, the National Weather Service issued a flood advisory for most of the San Francisco bay Area, including Contra Costa County.

The urban and small stream flood advisory was for poor drainage areas which with heavy rain will cause overflow and minor flooding. The warning will be in effect until 9:45 am.

Here is the release:

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR POOR DRAINAGE AREAS
FOR…
NAPA COUNTY IN NORTHERN CALIFORNIA…
SONOMA COUNTY IN NORTHERN CALIFORNIA…
SANTA CLARA COUNTY IN NORTHERN CALIFORNIA…
SANTA CRUZ COUNTY IN NORTHERN CALIFORNIA…
ALAMEDA COUNTY IN NORTHERN CALIFORNIA…
NORTHWESTERN SAN BENITO COUNTY IN CENTRAL CALIFORNIA…
SAN FRANCISCO COUNTY IN NORTHERN CALIFORNIA…
NORTHWESTERN MONTEREY COUNTY IN CENTRAL CALIFORNIA…
MARIN COUNTY IN NORTHERN CALIFORNIA…
CONTRA COSTA COUNTY IN NORTHERN CALIFORNIA…
SAN MATEO COUNTY IN NORTHERN CALIFORNIA…

* UNTIL 945 AM PST

* AT 420 AM PST…DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAIN WHICH WILL CAUSE URBAN AND SMALL STREAM FLOODING.
OVERFLOWING POOR DRAINAGE AREAS WILL RESULT IN MINOR FLOODING IN
THE ADVISORY AREA.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
SAN FRANCISCO…OAKLAND…FREMONT...SANTA ROSA…
SALINAS…HAYWARD…SUNNYVALE...CONCORD…SANTA CLARA…
BERKELEY…RICHMOND…ANTIOCH...DALY CITY…SAN MATEO…SAN
LEANDRO…LIVERMORE…NAPA AND REDWOOD CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE PONDING OF WATER IN
URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES AS WELL AS OTHER
POOR DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS…AS WELL AS FARM AND COUNTRY ROADS. DO NOT
ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.

You may also like