Alert archive / California / Wind Advisories in 2012

Wind Advisory 5, NWS San Francisco Bay Area, CA

November 27, 201211 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Nov 27, 2012, 3:39 AM PST for 11 counties in California. It took effect at Nov 28, 2012, 4:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 27, 2012, 3:39 AM PST (11:39 UTC)
In effect from
Nov 28, 2012, 4:00 AM PST
Expired
Nov 28, 2012, 1:13 PM PST
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, Napa 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), 46 km from the middle of the area, began a volume at 11:45 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 00:00Z, 11.7 hours before the alert went out and 24 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 00:00Z on 2012-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2012-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1387 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
106 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.

768 
WWUS76 KMTR 271139
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
339 AM PST TUE NOV 27 2012

...WIND ADVISORY IN EFFECT FROM 4 AM TO 11 AM PST WEDNESDAY
FOR MOST OF THE SAN FRANCISCO AND MONTEREY BAY REGION...

.A STRONG PACIFIC COLD FRONT WILL MOVE ONSHORE EARLY WEDNESDAY
MORNING. AS THE FRONT PASSES THROUGH THE REGION STRONG AND GUSTY
SOUTHERLY WINDS ARE EXPECTED...WITH THE WINDS SHIFTING SOUTHWEST
BEHIND THE FRONT. DAMAGING WIND GUSTS WILL BE STRONG ENOUGH TO
BRING DOWN WEAKENED TREES AND OR BRANCHES WHICH CAN LEAD TO POWER 
OUTAGES. THE STRONGEST WINDS ARE EXPECTED NEAR THE COAST AND IN
THE COASTAL HILLS WHERE FREQUENT GUSTS FROM 45 TO 55 MPH ARE EXPECTED.

CAZ006-505>512-517-528>530-272300-
/O.NEW.KMTR.WI.Y.0005.121128T1200Z-121128T1900Z/
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-
EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
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-
339 AM PST TUE NOV 27 2012

...WIND ADVISORY IN EFFECT FROM 4 AM TO 11 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 11 AM
PST WEDNESDAY FOR MOST OF THE SAN FRANCISCO AND MONTEREY BAY REGION.


* TIMING: FROM 4 AM WEDNESDAY THROUGH 11 AM WEDNESDAY...AS A COLD
  FRONT PASSES OVER THE REGION.

* WINDS: SOUTHERLY WIND GUSTS FROM 45 TO 55 MPH WITH LOCAL GUSTS
  TO 70 MPH POSSIBLE OVER THE RIDGES AND ALONG THE COAST.

* LOCATIONS: THE ENTIRE SAN FRANCISCO BAY REGION EXCEPT FOR THE
  SANTA CLARA VALLEY WHICH WILL BE SOMEWHAT SHELTERED FROM THE
  STRONGEST WINDS. THE ADVISORY ALSO COVERS THE MONTEREY BAY
  REGION EXCEPT FOR THE SOUTHERN SALINAS VALLEY AND INTERIOR HILLS
  OF MONTEREY AND SAN BENITO COUNTY WHICH ARE NOT EXPECTED TO
  OBSERVE WIDESPREAD WIND GUSTS IN EXCESS OF 45 MPH.

* IMPACTS: THE FIRST STRONG COLD FRONT OF THE SEASON WILL LIKELY
  BRING DOWN WEAK TREES AND BRANCHES...LEADING TO POSSIBLE POWER
  OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. SOME
  OF THE HIGHER PASSES SUCH AS PACHECO AND ALTAMONT WILL BE
  ESPECIALLY WINDY. SECURE OUTDOOR ITEMS AROUND YOUR RESIDENCE AND
  OTHER LOCATIONS SUCH AS CONSTRUCTION SITES SHOULD CONSIDER
  SECURING LOOSE OBJECTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
088 
WWUS76 KMTR 272153
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
153 PM PST TUE NOV 27 2012

...STRONG AND GUSTY WINDS DURING THE WEDNESDAY MORNING COMMUTE FOR
MOST OF THE SAN FRANCISCO AND MONTEREY BAY REGION...

.A STRONG PACIFIC COLD FRONT WILL MOVE ONSHORE EARLY WEDNESDAY
MORNING. AS THE FRONT PASSES THROUGH THE REGION STRONG AND GUSTY
SOUTHERLY WINDS ARE EXPECTED...WITH THE WINDS SHIFTING SOUTHWEST
BEHIND THE FRONT. DAMAGING WIND GUSTS WILL BE STRONG ENOUGH TO
BRING DOWN WEAKENED TREES AND OR BRANCHES WHICH CAN LEAD TO POWER
OUTAGES. THE STRONGEST WINDS ARE EXPECTED NEAR THE COAST WHERE
GUSTS FROM 55 TO 65 MPH ARE EXPECTED.

CAZ006-505-509-280600-
/O.UPG.KMTR.WI.Y.0005.121128T1200Z-121128T1900Z/
/O.NEW.KMTR.HW.W.0001.121128T1200Z-121128T1900Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-
153 PM PST TUE NOV 27 2012

...HIGH WIND WARNING IN EFFECT FROM 4 AM TO 11 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 4 AM TO
11 AM PST WEDNESDAY. THE WIND ADVISORY IS NO LONGER IN EFFECT. 


* TIMING: FROM 4 AM WEDNESDAY THROUGH 11 AM WEDNESDAY...AS A 
  COLD FRONT PASSES OVER THE REGION. 

* WINDS: SOUTHERLY WIND GUSTS FROM 55 TO 65 MPH WITH LOCAL GUSTS
  TO 75 MPH POSSIBLE ALONG THE COAST.

* LOCATIONS: THE NORTH BAY COAST...SAN FRANCISCO AND SAN FRANCISCO
  PENINSULA COAST.

* IMPACTS: THE FIRST STRONG COLD FRONT OF THE SEASON WILL LIKELY
  BRING DOWN WEAK TREES AND BRANCHES...LEADING TO POSSIBLE POWER
  OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. SECURE
  OUTDOOR ITEMS AROUND YOUR RESIDENCE AND OTHER LOCATIONS SUCH AS
  CONSTRUCTION SITES SHOULD CONSIDER SECURING LOOSE OBJECTS.

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>508-510>512-517-528>530-280600-
/O.CON.KMTR.WI.Y.0005.121128T1200Z-121128T1900Z/
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
SAN FRANCISCO BAY SHORELINE-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS-
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-
153 PM PST TUE NOV 27 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 11 AM PST
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 11 AM PST
WEDNESDAY. 

* TIMING: FROM 4 AM WEDNESDAY THROUGH 11 AM WEDNESDAY...AS A 
  COLD FRONT PASSES OVER THE REGION. 

* WINDS: SOUTHERLY WIND GUSTS FROM 45 TO 55 MPH WITH LOCAL GUSTS 
  TO 70 MPH POSSIBLE OVER THE RIDGES AND ALONG THE COAST. 

* LOCATIONS: NORTH AND EAST BAY VALLEYS AND MOUNTAINS...SAN
  FRANCISCO BAY SHORELINE...SANTA CRUZ MOUNTAINS...MONTEREY BAY
  REGION INCLUDING THE SANTA LUCIA MOUNTAINS.

* IMPACTS: THE FIRST STRONG COLD FRONT OF THE SEASON WILL LIKELY 
  BRING DOWN WEAK TREES AND BRANCHES...LEADING TO POSSIBLE POWER 
  OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. SOME 
  OF THE HIGHER PASSES SUCH AS PACHECO AND ALTAMONT WILL BE 
  ESPECIALLY WINDY. SECURE OUTDOOR ITEMS AROUND YOUR RESIDENCE 
  AND OTHER LOCATIONS SUCH AS CONSTRUCTION SITES SHOULD CONSIDER 
  SECURING LOOSE OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
292 
WWUS76 KMTR 280408
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
808 PM PST TUE NOV 27 2012

...STRONG AND GUSTY WINDS DURING THE WEDNESDAY MORNING COMMUTE
FOR MOST OF THE SAN FRANCISCO AND MONTEREY BAY REGION...

.A STRONG PACIFIC COLD FRONT WILL MOVE ONSHORE EARLY WEDNESDAY
MORNING. AS THE FRONT PASSES THROUGH THE REGION STRONG AND GUSTY
SOUTHERLY WINDS ARE EXPECTED...WITH THE WINDS SHIFTING SOUTHWEST
BEHIND THE FRONT. DAMAGING WIND GUSTS WILL BE STRONG ENOUGH TO
BRING DOWN WEAKENED TREES AND OR BRANCHES WHICH CAN LEAD TO POWER
OUTAGES. THE STRONGEST WINDS ARE EXPECTED NEAR THE COAST WHERE
GUSTS FROM 55 TO 65 MPH ARE EXPECTED.

CAZ006-505-509-281400-
/O.CON.KMTR.HW.W.0001.121128T1200Z-121128T1900Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-
808 PM PST TUE NOV 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM PST
WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM PST
WEDNESDAY. 

* TIMING: FROM 4 AM WEDNESDAY THROUGH 11 AM WEDNESDAY...AS A 
  COLD FRONT PASSES OVER THE REGION. 

* WINDS: SOUTHERLY WIND GUSTS FROM 55 TO 65 MPH WITH LOCAL GUSTS 
  TO 75 MPH POSSIBLE ALONG THE COAST. 

* LOCATIONS: THE NORTH BAY COAST...SAN FRANCISCO AND SAN 
  FRANCISCO PENINSULA COAST. 

* IMPACTS: THE FIRST STRONG COLD FRONT OF THE SEASON WILL LIKELY 
  BRING DOWN WEAK TREES AND BRANCHES...LEADING TO POSSIBLE POWER 
  OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. 
  SECURE OUTDOOR ITEMS AROUND YOUR RESIDENCE AND OTHER LOCATIONS 
  SUCH AS CONSTRUCTION SITES SHOULD CONSIDER SECURING LOOSE 
  OBJECTS. 

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>508-510>512-517-528>530-281400-
/O.CON.KMTR.WI.Y.0005.121128T1200Z-121128T1900Z/
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
SAN FRANCISCO BAY SHORELINE-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS-
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-
808 PM PST TUE NOV 27 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 11 AM PST
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 11 AM PST
WEDNESDAY. 

* TIMING: FROM 4 AM WEDNESDAY THROUGH 11 AM WEDNESDAY...AS A 
  COLD FRONT PASSES OVER THE REGION. 

* WINDS: SOUTHERLY WIND GUSTS FROM 45 TO 55 MPH WITH LOCAL GUSTS 
  TO 70 MPH POSSIBLE OVER THE RIDGES AND ALONG THE COAST. 

* LOCATIONS: NORTH AND EAST BAY VALLEYS AND MOUNTAINS...SAN 
  FRANCISCO BAY SHORELINE...SANTA CRUZ MOUNTAINS...MONTEREY BAY 
  REGION INCLUDING THE SANTA LUCIA MOUNTAINS. 

* IMPACTS: THE FIRST STRONG COLD FRONT OF THE SEASON WILL LIKELY 
  BRING DOWN WEAK TREES AND BRANCHES...LEADING TO POSSIBLE POWER 
  OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE DIFFICULT. SOME 
  OF THE HIGHER PASSES SUCH AS PACHECO AND ALTAMONT WILL BE 
  ESPECIALLY WINDY. SECURE OUTDOOR ITEMS AROUND YOUR RESIDENCE 
  AND OTHER LOCATIONS SUCH AS CONSTRUCTION SITES SHOULD CONSIDER 
  SECURING LOOSE OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
816 
WWUS76 KMTR 281249
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
449 AM PST WED NOV 28 2012

...STRONG AND GUSTY WINDS DURING THE WEDNESDAY MORNING COMMUTE
FOR MOST OF THE SAN FRANCISCO BAY AREA AND MONTEREY BAY AREA...

.A STRONG PACIFIC COLD FRONT WILL MOVE ONSHORE BY LATE WEDNESDAY
MORNING. STRONG AND GUSTY SOUTHEAST WINDS WILL OCCUR AHEAD OF THE
FRONT. WIND GUSTS WILL BE STRONG ENOUGH TO BRING DOWN WEAKENED
TREES AND BRANCHES. POWER OUTAGES ARE LIKELY. STRONGEST WINDS ARE
FORECAST TO OCCUR NEAR THE COAST WHERE GUSTS FROM 50 TO 60 MPH
ARE EXPECTED.

CAZ006-505-509-281900-
/O.CON.KMTR.HW.W.0001.000000T0000Z-121128T1900Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-
449 AM PST WED NOV 28 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING FOR COASTAL AREAS FROM SONOMA COUNTY SOUTH THROUGH SAN
MATEO COUNTY.

* TIMING: THROUGH 11 AM WEDNESDAY. WINDS WILL BE MOST INTENSE
  AROUND MID MORNING.

* WINDS: SOUTHERLY WIND GUSTS FROM 50 TO 60 MPH WITH LOCAL GUSTS
  TO 70 MPH POSSIBLE NEAR THE COAST.

* LOCATIONS: THE NORTH BAY COAST...SAN FRANCISCO AND SAN 
  FRANCISCO PENINSULA COAST. 

* IMPACTS: A POWERFUL PACIFIC STORM WILL PRODUCE STRONG WINDS
  WHICH WILL LIKELY BRING DOWN WEAK TREES AND BRANCHES...LEADING
  TO POWER OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE
  DIFFICULT. LOOSE OUTDOOR ITEMS SHOULD BE SECURED.

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>508-510>512-517-528>530-281900-
/O.CON.KMTR.WI.Y.0005.000000T0000Z-121128T1900Z/
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
SAN FRANCISCO BAY SHORELINE-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS-
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-
449 AM PST WED NOV 28 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING FOR
MOST INLAND AREAS OF THE SAN FRANCISCO BAY AREA AS WELL AS COASTAL
AREAS OF THE MONTEREY BAY AREA.

* TIMING: THROUGH 11 AM WEDNESDAY. WINDS WILL BE MOST INTENSE
  AROUND MID MORNING.

* WINDS: SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH WITH LOCAL GUSTS 
  TO 60 MPH POSSIBLE OVER THE RIDGES AND NEAR THE COAST. 

* LOCATIONS: NORTH AND EAST BAY VALLEYS AND MOUNTAINS...SAN 
  FRANCISCO BAY SHORELINE...SANTA CRUZ MOUNTAINS...MONTEREY BAY 
  REGION INCLUDING THE SANTA LUCIA MOUNTAINS. 

* IMPACTS: A POWERFUL PACIFIC STORM WILL PRODUCE STRONG WINDS
  WHICH WILL LIKELY BRING DOWN WEAK TREES AND BRANCHES...LEADING
  TO POWER OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE
  DIFFICULT. LOOSE OUTDOOR ITEMS SHOULD BE SECURED.

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.

&&

$$
335 
WWUS76 KMTR 281826
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1026 AM PST WED NOV 28 2012

...GUSTY WINDS EXPECTED TO CONTINUE FOR A LARGE PORTION OF THE SAN
FRANCISCO BAY AREA AND MONTEREY BAY AREA TODAY...

CAZ006-505-509-282200-
/O.CAN.KMTR.HW.W.0001.000000T0000Z-121128T1900Z/
/O.EXB.KMTR.WI.Y.0005.000000T0000Z-121128T2200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-
1026 AM PST WED NOV 28 2012

...WIND ADVISORY IN EFFECT UNTIL 2 PM PST THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PST THIS
AFTERNOON. THE HIGH WIND WARNING HAS BEEN CANCELLED. 

* TIMING: THROUGH 2 PM TODAY. 

* WINDS: SOUTHERLY WIND GUSTS FROM 35 TO 45 MPH WITH LOCAL GUSTS
  TO 60 MPH POSSIBLE OVER THE RIDGES AND NEAR THE COAST.

* LOCATIONS:SAN FRANCISCO AND COASTAL NORTH BAY...INCLUDING POINT
  REYES NATIONAL SEASHORE

* IMPACTS: A POWERFUL PACIFIC STORM WILL PRODUCE STRONG WINDS 
  WHICH WILL LIKELY BRING DOWN WEAK TREES AND BRANCHES...LEADING 
  TO POWER OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE 
  DIFFICULT. LOOSE OUTDOOR ITEMS SHOULD BE SECURED. 

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.

&&



$$

CAZ506>508-510>512-517-528>530-282200-
/O.EXT.KMTR.WI.Y.0005.000000T0000Z-121128T2200Z/
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
SAN FRANCISCO BAY SHORELINE-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS-
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-
1026 AM PST WED NOV 28 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 2 PM PST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 2 PM PST THIS AFTERNOON.

* TIMING: THROUGH 2 PM TODAY.

* WINDS: SOUTHERLY WIND GUSTS FROM 35 TO 45 MPH WITH LOCAL GUSTS
  TO 60 MPH POSSIBLE OVER THE RIDGES AND NEAR THE COAST.

* LOCATIONS: NORTH AND EAST BAY VALLEYS AND MOUNTAINS...SAN 
  FRANCISCO BAY SHORELINE...SANTA CRUZ MOUNTAINS...MONTEREY BAY 
  REGION INCLUDING THE SANTA LUCIA MOUNTAINS. 

* IMPACTS: A POWERFUL PACIFIC STORM WILL PRODUCE STRONG WINDS 
  WHICH WILL LIKELY BRING DOWN WEAK TREES AND BRANCHES...LEADING 
  TO POWER OUTAGES. DRIVING HIGH PROFILE VEHICLES WILL BE 
  DIFFICULT. LOOSE OUTDOOR ITEMS SHOULD BE SECURED. 

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.

&&

$$
463 
WWUS76 KMTR 282113
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
113 PM PST WED NOV 28 2012

CAZ006-505>512-517-528>530-282215-
/O.CAN.KMTR.WI.Y.0005.000000T0000Z-121128T2200Z/
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-
EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
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-
113 PM PST WED NOV 28 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
CANCELLED THE WIND ADVISORY. 

ALTHOUGH LOCALLY GUSTY WINDS CAN BE EXPECTED INTO THE EVENING
HOURS, THEY ARE NOT LONGER EXPECTED TO REACH ADVISORY LEVELS. MORE
WINDY WEATHER IS EXPECTED ON FRIDAY. WINDS AT THAT TIME MAY HIT
ADVISORY LEVELS.

$$

BELL

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 1:53 PM PSTHigh Wind WarningMTRMarin, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma21 hr

Nearby

Wind Advisories in California, 2012Every wind advisory in 2012

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.