Flash Flood Warning 28, NWS San Francisco Bay Area, CA

Issued

Feb 3, 1998, 10:20 AM PST (18:20 UTC)

Expired

Feb 3, 1998, 4:00 PM PST

In force

6 hr

Issued by

NWS San Francisco Bay Area, CA

Area

Whole counties

Counties Alameda County, CA, Contra Costa County, CA

The San Francisco radar (KMUX), 70 km from the middle of the area, began a volume at 18:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
TTAA00 KSFO 031821
FFWSFO
CAC097-041-055-013-001-075-081-085-087-053-069-040000-
 
BULLETIN -EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1020 AM PST TUE FEB 3 1998
 
THE NATIONAL WEATHER SERVICE HAS EXTENDED A FLASH FLOOD WARNING UNTIL
4 PM THIS AFTERNOON FOR PEOPLE IN THE FOLLOWING COUNTIES...

SONOMA...NAPA...MARIN...SAN FRANCISCO...SAN MATEO...CONTRA
COSTA...ALAMEDA...SANTA CLARA...SANTA CRUZ...SAN BENITO AND MONTEREY
COUNTIES...

LIGHT TO MODERATE RAIN CONTINUES ACROSS THE WARNING AREA LATE THIS
MORNING. ALTHOUGH RAIN RATES HAVE DECREASED TO GENERALLY LESS THAN A
QUARTER INCH PER HOUR...MANY STREAMS AND CREEKS IN THE WARNING AREA
ARE RUNNING AT OR ABOVE BANKFUL. THERE HAVE BEEN NUMEROUS REPORTS OF
ROAD CLOSURES DUE TO FLOODING OR MUDSLIDES. URBAN FLOODING HAS BEEN
REPORTED THROUGHOUT THE WARNING AREA.

REPORTS FROM INDIVIDUAL COUNTIES INCLUDE...

SONOMA COUNTY...FLOODING ALONG THE PETALUMA RIVER HAS FORCED
  EVACUATIONS IN THE CITY OF PETALUMA.
CONTRA COSTA COUNTY...EVACUATIONS DUE TO FLOODING IN WALNUT CREEK.
ALAMEDA COUNTY...THREE MOBILE HOME PARKS EVACUATED DUE TO FLOODING.
SANTA CLARA COUNTY...EXTENSIVE STREET FLOODING IN PALO ALTO WITH
  EVACUATIONS TAKING PLACE THERE.
SAN MATEO COUNTY...TOWN OF PESCADERO EVACUATED DUE TO FLOODING ON THE
  PESCADERO CREEK. SECTIONS OF EAST PALO ALTO FLOODED. FLOODING ALONG
  THE SAN FRANCISQUITO CREEK.
MONTEREY...MANDATORY EVACUATIONS ALONG THE CARMEL RIVER DUE TO 
  FLOODING.
SAN BENITO...EVACUATION OF MOBILE HOME PARK IN SAN JUAN BAUTISTA DUE
  TO FLOODING.

PERIODS OF RAIN WILL CONTINUE THROUGH THE DAY WITH LOCALLY HEAVY
SHOWERS AND POSSIBLE THUNDERSTORMS. STREAMS AND CREEKS WILL REMAIN
HIGH WITH MANY FLOWING OUT OF THEIR BANKS. MANY ROADWAYS WILL
CONTINUE TO BE UNDER WATER. MUDSLIDES WILL CONTINUE TO BE A
POSSIBILITY.

PERSONS NEAR STREAMS AND CREEKS SHOULD BE PREPARED TO EVACUATE.
STREET FLOODING AND MUDSLIDES WILL CREATE HAZARDOUS DRIVING
CONDITIONS. DO NOT ATTEMPT TO DRIVE THROUGH WATER FLOWING ACROSS
ROADWAYS.

DYKEMA
LEAD FORECASTER

Flash Flood Warnings in California, 1998Every flash flood warning in 1998

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.