Alert archive / California / Wind Advisories in 2011

Wind Advisory 4, NWS San Francisco Bay Area, CA

March 19, 201110 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Mar 19, 2011, 1:54 PM PDT for 10 counties in California. It took effect at Mar 19, 2011, 9:00 PM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 19, 2011, 1:54 PM PDT (20:54 UTC)
In effect from
Mar 19, 2011, 9:00 PM PDT
Expired
Mar 20, 2011, 6:00 AM PDT
In force
9 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Alameda County, CA, City and County of San Francisco, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 35 km from the middle of the area, began a volume at 20:57 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.

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 8.9 hours before the alert went out and 34 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2011-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2011-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
38 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

193 
WWUS76 KMTR 192054
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
154 PM PDT SAT MAR 19 2011

...A POWERFUL STORM SYSTEM MAY PRODUCE STRONG AND DAMAGING WINDS
FROM LATE TONIGHT THROUGH EARLY SUNDAY AFTERNOON...

.AN AREA OF LOW PRESSURE WILL RAPIDLY DEEPEN OFF THE CENTRAL
CALIFORNIA COAST TONIGHT. THIS LOW WILL PRODUCE STRONG...AND
POSSIBLY DAMAGING SOUTHEAST WINDS FROM LATE TONIGHT THROUGH EARLY
SUNDAY MORNING.

CAZ506-192200-
/O.CAN.KMTR.HW.A.0001.110320T0800Z-110320T2200Z/
NORTH BAY INTERIOR VALLEYS-
154 PM PDT SAT MAR 19 2011

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS CANCELLED THE
HIGH WIND WATCH. 

WINDS WILL BECOME GUSTY...BUT WILL REMAIN BELOW ADVISORY CRITERIA.

$$

CAZ512-516-517-528>530-200500-
/O.UPG.KMTR.HW.A.0001.110320T0800Z-110320T2200Z/
/O.NEW.KMTR.HW.W.0001.110320T0400Z-110320T1500Z/
SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
154 PM PDT SAT MAR 19 2011

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 AM PDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 8 AM
PDT SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: SOUTHEAST WINDS WILL INCREASE TONIGHT AND WILL BECOME
  STRONG AND POSSIBLY DAMAGING BY LATE TONIGHT. STRONG WINDS WILL
  CONTINUE THROUGH EARLY SUNDAY MORNING. WINDS ARE EXPECTED TO
  DECREASE ON SUNDAY AFTERNOON.

* WINDS: SOUTHEAST WINDS WILL INCREASE ACROSS THE AREA OVERNIGHT
  THROUGH EARLY SUNDAY MORNING. BY LATE TONIGHT SUSTAINED
  SOUTHEAST WINDS OF 25 TO 40 MPH ARE EXPECTED...WITH GUSTS AS
  HIGH AS 60 MPH. THE STRONGEST WINDS...AND THOSE MOST CAPABLE OF
  PRODUCING DAMAGE...WILL OCCUR FROM LATE TONIGHT THROUGH EARLY
  SUNDAY MORNING.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER 
  LINES. POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE 
  DIFFICULT AND POSSIBLY DANGEROUS FOR MOTORISTS WITH HIGH 
  PROFILE VEHICLES OR TRAILERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ006-505-507>511-513-518-200500-
/O.UPG.KMTR.HW.A.0001.110320T0800Z-110320T2200Z/
/O.NEW.KMTR.WI.Y.0004.110320T0400Z-110320T1500Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
154 PM PDT SAT MAR 19 2011

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 8 AM PDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 8 AM PDT
SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: SOUTHEAST WINDS WILL INCREASE TONIGHT AND WILL BECOME
  STRONG AND POSSIBLY DAMAGING BY LATE TONIGHT. STRONG WINDS WILL
  CONTINUE THROUGH EARLY SUNDAY MORNING. WINDS ARE EXPECTED TO
  DECREASE ON SUNDAY AFTERNOON.

* WINDS: SOUTHEAST WINDS WILL INCREASE ACROSS THE AREA OVERNIGHT
  THROUGH EARLY SUNDAY MORNING. BY LATE TONIGHT SUSTAINED
  SOUTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED...WITH GUSTS AS
  HIGH AS 45 MPH. THE STRONGEST WINDS...AND THOSE MOST CAPABLE OF
  PRODUCING DAMAGE...WILL OCCUR FROM LATE TONIGHT THROUGH EARLY
  SUNDAY MORNING.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER LINES.
  POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE
  DIFFICULT AND POSSIBLY DANGEROUS FOR MOTORISTS WITH HIGH PROFILE
  VEHICLES OR TRAILERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

STROBIN
3 follow-up statements
755 
WWUS76 KMTR 200500
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1000 PM PDT SAT MAR 19 2011

...A POWERFUL STORM SYSTEM MAY PRODUCE STRONG AND DAMAGING WINDS
FROM TONIGHT...

.AN AREA OF LOW PRESSURE WAS RAPIDLY DEEPENING OFF THE CENTRAL CALIFORNIA
COAST ON SATURDAY EVENING. THIS LOW WILL PRODUCE STRONG...AND POSSIBLY
DAMAGING SOUTHEAST WINDS ON SATURDAY NIGHT.

CAZ512-516-517-528>530-201300-
/O.EXT.KMTR.HW.W.0001.000000T0000Z-110320T1300Z/
SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1000 PM PDT SAT MAR 19 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL 6 AM PDT SUNDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 6 AM PDT SUNDAY FOR
AREAS NEAR MONTEREY BAY...THE BIG SUR COAST...THE SALINAS
VALLEY...THE SANTA CRUZ MOUNTAINS...AND THE SANTA LUCIA MOUNTAINS.

* TIMING: SOUTHEAST WINDS WILL CONTINUE TO INCREASE ON SATURDAY
  EVENING AND BECOME STRONG AND POSSIBLY DAMAGING BY LATE EVENING.
  STRONG WINDS WILL CONTINUE THROUGH THE NIGHT. WINDS  ARE
  EXPECTED TO DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTHEAST WINDS OF 25 TO 40 MPH ARE
  EXPECTED...WITH GUSTS AS HIGH AS 60 MPH. THE STRONGEST
  WINDS...AND THOSE MOST CAPABLE OF PRODUCING DAMAGE...WILL OCCUR
  FROM FROM LATE SATURDAY EVENING THROUGH ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER 
  LINES. POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE 
  DIFFICULT AND POSSIBLY DANGEROUS FOR MOTORISTS WITH HIGH 
  PROFILE VEHICLES OR TRAILERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ006-505-507>511-513-518-201300-
/O.EXT.KMTR.WI.Y.0004.000000T0000Z-110320T1300Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
1000 PM PDT SAT MAR 19 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM PDT SUNDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 AM PDT SUNDAY FOR MOST
OF THE SAN FRANCISCO BAY AREA.

* TIMING: SOUTHEAST WINDS WILL CONTINUE TO INCREASE ON SATURDAY
  EVENING AND BECOME STRONG AND GUSTY BY LATE EVENING. STRONG
  WINDS WILL CONTINUE THROUGH THE NIGHT. WINDS ARE EXPECTED TO
  DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTHEAST WINDS OF 20 TO 30 MPH ARE
  EXPECTED...WITH GUSTS AS HIGH AS 50 MPH. THE STRONGEST WINDS WILL
  OCCUR FROM LATE SATURDAY EVENING UNTIL ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER LINES.
  POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE
  DIFFICULT FOR MOTORISTS WITH HIGH PROFILE VEHICLES OR TRAILERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

DYKEMA
138 
WWUS76 KMTR 200804
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
104 AM PDT SUN MAR 20 2011

...A POWERFUL STORM SYSTEM WILL CONTINUE TO PRODUCE STRONG AND DAMAGING
WINDS TONIGHT...

.AN DEEP AREA OF LOW PRESSURE WAS APPROACHING THE SONOMA COUNTY
COAST AT 1 AM PDT SUNDAY MORNING. THIS LOW IS PRODUCING STRONG AND
POTENTIALLY DAMAGING WINDS. WIND GUSTS AS HIGH AS 70 MPH HAVE BEEN
REPORTED IN MARIN COUNTY.

CAZ516-517-528>530-201300-
/O.CAN.KMTR.HW.W.0001.000000T0000Z-110320T1300Z/
/O.EXA.KMTR.WI.Y.0004.000000T0000Z-110320T1300Z/
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
104 AM PDT SUN MAR 20 2011

...WIND ADVISORY IN EFFECT UNTIL 6 AM PDT EARLY THIS MORNING...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING. 

* TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE NIGHT.
  WINDS ARE EXPECTED TO DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTH WINDS OF 20 TO 30 MPH ARE EXPECTED...WITH
  GUSTS AS HIGH AS 50 MPH. THE STRONGEST WINDS WILL OCCUR UNTIL
  ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER LINES.
  POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE
  DIFFICULT FOR MOTORISTS WITH HIGH PROFILE VEHICLES OR TRAILERS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF AT LEAST 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$

CAZ006-505-507>509-201300-
/O.UPG.KMTR.WI.Y.0004.000000T0000Z-110320T1300Z/
/O.EXA.KMTR.HW.W.0001.000000T0000Z-110320T1300Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-
104 AM PDT SUN MAR 20 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A
HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING. 

* TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE NIGHT.
  WINDS ARE EXPECTED TO DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTHEAST WINDS OF 20 TO 40 MPH ARE
  EXPECTED...WITH GUSTS AS HIGH AS 70 MPH. THE STRONGEST WINDS
  WILL OCCUR UNTIL ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER LINES.
  POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE
  DIFFICULT FOR MOTORISTS WITH HIGH PROFILE VEHICLES OR TRAILERS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ506-201300-
/O.EXA.KMTR.HW.W.0001.000000T0000Z-110320T1300Z/
NORTH BAY INTERIOR VALLEYS-
104 AM PDT SUN MAR 20 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A
HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING.

* TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE NIGHT.
  WINDS ARE EXPECTED TO DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTHEAST WINDS OF 20 TO 40 MPH ARE
  EXPECTED...WITH GUSTS AS HIGH AS 70 MPH. THE STRONGEST
  WINDS...AND THOSE MOST CAPABLE OF PRODUCING DAMAGE...WILL OCCUR
  THROUGH ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER 
  LINES. POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE 
  DIFFICULT AND POSSIBLY DANGEROUS FOR MOTORISTS WITH HIGH 
  PROFILE VEHICLES OR TRAILERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ512-201300-
/O.CON.KMTR.HW.W.0001.000000T0000Z-110320T1300Z/
SANTA CRUZ MOUNTAINS-
104 AM PDT SUN MAR 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING. 

* TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE NIGHT.
  WINDS ARE EXPECTED TO DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTHEAST WINDS OF 25 TO 40 MPH ARE
  EXPECTED...WITH GUSTS AS HIGH AS 60 MPH. THE STRONGEST WINDS...
  AND THOSE MOST CAPABLE OF PRODUCING DAMAGE...WILL OCCUR FROM
  THROUGH ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER 
  LINES. POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE 
  DIFFICULT AND POSSIBLY DANGEROUS FOR MOTORISTS WITH HIGH 
  PROFILE VEHICLES OR TRAILERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ510-511-513-518-201300-
/O.CON.KMTR.WI.Y.0004.000000T0000Z-110320T1300Z/
EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND DIABLO RANGE-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
104 AM PDT SUN MAR 20 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING. 

* TIMING: STRONG SOUTH WINDS WILL CONTINUE THROUGH THE NIGHT.
  WINDS ARE EXPECTED TO DECREASE BY SUNRISE SUNDAY.

* WINDS: SUSTAINED SOUTHEAST WINDS OF 20 TO 30 MPH ARE
  EXPECTED...WITH GUSTS AS HIGH AS 50 MPH. THE STRONGEST WINDS
  WILL OCCUR UNTIL ABOUT 3 AM PDT SUNDAY.

* IMPACTS: HIGH WINDS MAY TOPPLE TREES AND BRING DOWN POWER 
  LINES. POWER OUTAGES ARE LIKELY. IN ADDITION...DRIVING WILL BE 
  DIFFICULT FOR MOTORISTS WITH HIGH PROFILE VEHICLES OR 
  TRAILERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF AT LEAST 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$

DYKEMA
447 
WWUS76 KMTR 201255
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
555 AM PDT SUN MAR 20 2011

CAZ006-505>509-512-201400-
/O.EXP.KMTR.HW.W.0001.000000T0000Z-110320T1300Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
SANTA CRUZ MOUNTAINS-
555 AM PDT SUN MAR 20 2011

...HIGH WIND WARNING WILL EXPIRE AT 6 AM PDT THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 6 AM PDT THIS MORNING. WINDS
HAVE DIMINISHED ACROSS THE REGION. BREEZY CONDITIONS WILL CONTINUE
FOR THE REMAINDER OF THE MORNING WITH LOCAL GUSTS TO 40 MPH POSSIBLE.
BUT STRONG AND DAMAGING WINDS ARE NO LONGER EXPECTED.

$$

CAZ510-511-513-516>518-528>530-201400-
/O.EXP.KMTR.WI.Y.0004.000000T0000Z-110320T1300Z/
EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND DIABLO RANGE-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
555 AM PDT SUN MAR 20 2011

...WIND ADVISORY WILL EXPIRE AT 6 AM PDT THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 6 AM PDT THIS MORNING. WINDS
HAVE DIMINISHED ACROSS THE REGION. BREEZY CONDITIONS WILL CONTINUE
FOR THE REMAINDER OF THE MORNING WITH LOCAL GUSTS TO 30 MPH POSSIBLE.
BUT STRONG WINDS ARE NO LONGER EXPECTED.

$$

DYKEMA

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 7:15 PM PDTGale WatchMTR8 hr
Mar 19, 3:30 AM PDTGale WarningMTR26 hr
Mar 19, 3:30 AM PDTSmall Craft AdvisoryMTR14 hr
Mar 19, 1:54 PM PDTHigh Wind WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more16 hr
Mar 19, 2:22 PM PDTFlash Flood WatchMTRMonterey, San Mateo, Santa Clara, Santa Cruz22 hr

Nearby

Wind Advisories in California, 2011Every wind advisory in 2011

Sources

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.