For the second day in a row, the National Weather Service has announced a flood advisory in the San Francisco Bay Area which also includes Contra Costa County. The advisory was issued at 4:05 am and will be in effect through 7:00 pm Wednesday night.
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
405 AM PST WED DEC 3 2014
THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR…
MARIN COUNTY IN WESTERN CALIFORNIA…
SANTA CLARA COUNTY IN WESTERN CALIFORNIA…
ALAMEDA COUNTY IN WESTERN CALIFORNIA…
NAPA COUNTY IN WESTERN CALIFORNIA…
CONTRA COSTA COUNTY IN WESTERN CALIFORNIA…
SANTA CRUZ COUNTY IN WESTERN CALIFORNIA…
SONOMA COUNTY IN WESTERN CALIFORNIA…
SAN MATEO COUNTY IN WESTERN CALIFORNIA…
SAN FRANCISCO COUNTY IN WESTERN CALIFORNIA…
* UNTIL 700 AM PST.
* AT 358 AM PST…DOPPLER RADAR DATA INDICATED MODERATE TO HEAVY RAIN CONTINUES OVER PORTIONS OF THE REGION EARLY THIS MORNING. RUNOFF FROM ADDITIONAL RAINFALL WILL LIKELY CAUSE PONDING OR FLOODING ON SOME ROADWAYS…POOR DRAINAGE AREAS AND LOW LYING SPOTS.
EXCESS RUNOFF FROM HEAVY RAINFALL IS EXPECTED TO CAUSE PONDING OF WATER IN URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE AREAS AND LOW LYING SPOTS. ALSO…SMALL CREEKS AND STREAMS COULD FLOOD QUICKLY…POSSIBLY COVERING ROADS AND NEARBY LOW AREAS.
ALLOW EXTRA TIME TO GET TO YOUR DESTINATION. IF WATER COVERS THE ROADWAY DO NOT CROSS IT. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR AND THE WATER MAY BE TOO DEEP TO ALLOW YOUR VEHICLE TO CROSS SAFELY.
A FLOOD ADVISORY MEANS THAT ALTHOUGH STREAMS AND CREEKS MAY BE ELEVATED OR EVEN RISE OUT OF THEIR BANKS…PROPERTY DAMAGE SHOULD BE MINIMAL. INCONVENIENCES CAN BE EXPECTED BUT THE FLOODING WILL NOT BE IMMEDIATELY LIFE THREATENING.
TO REPORT FLOODING…HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. RG
7:00 am Update:
a new alerted extended the advisory to 9:00 pm
