Alert archive / California / Wind Advisories in 2008

Wind Advisory 10, NWS San Francisco Bay Area, CA

February 22, 200811 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Feb 22, 2008, 1:13 PM PST for 11 counties in California. It took effect at Feb 23, 2008, 12:00 PM PST. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2008, 1:13 PM PST (21:13 UTC)
In effect from
Feb 23, 2008, 12:00 PM PST
Expired
Feb 24, 2008, 5:20 PM PST
In force
29 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 21:15 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, 9.2 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 12:00Z on 2008-02-22Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2008-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897Sfc1 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
577 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
72 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.

000 
WWUS76 KMTR 222113
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
113 PM PST FRI FEB 22 2008

...STRONG AND POTENTIALLY DAMAGING WINDS EXPECTED THIS WEEKEND
ACROSS THE SAN FRANCISCO AND MONTEREY BAY AREAS...

.A POWERFUL PACIFIC STORM SYSTEM IS DEVELOPING OVER THE EASTERN
PACIFIC AND WILL CONTINUE TO STRENGTHEN SATURDAY. THE STORM WILL
MOVE TOWARDS THE NORTHERN CALIFORNIA COAST SATURDAY AFTERNOON INTO
SATURDAY NIGHT. SOUTHEAST WINDS WILL INCREASE ACROSS THE ENTIRE
REGION SATURDAY AFTERNOON...AND BECOME VERY STRONG AND POTENTIALLY
DAMAGING SATURDAY NIGHT. WINDS WILL BEGIN TO DECREASE SUNDAY
MORNING.

CAZ006-505>512-514-515-517-230600-
/O.UPG.KMTR.HW.A.0003.080223T2000Z-080224T1800Z/
/O.NEW.KMTR.HW.W.0002.080223T2000Z-080224T1400Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
113 PM PST FRI FEB 22 2008

...HIGH WIND WARNING IN EFFECT FROM 12 PM SATURDAY TO 6 AM PST
SUNDAY...
...HIGH WIND WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT FROM 12 PM SATURDAY TO 6 AM PST
SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

A STRONG PACIFIC STORM WILL MOVE TO JUST OFF THE NORTHERN
CALIFORNIA COAST BY EARLY SUNDAY MORNING. JUST AHEAD OF THIS STORM
SURFACE PRESSURE GRADIENTS WILL INCREASE AND STRONG SOUTH TO
SOUTHEAST WINDS WILL DEVELOP BEGINNING SATURDAY AFTERNOON. AREAS
MOST PRONE TO THE STRONG WINDS WILL BE IN COASTAL AREAS NEAR
CANYONS AND COASTAL GAPS AS WELL AS THE NORTHERN SALINAS VALLEY.
BY EARLY EVENING MOST LOCATIONS IN THE WARNING AREA WILL SEE
STRONG SOUTH TO SOUTHEAST WINDS THAT WILL CONTINUE INTO EARLY
SUNDAY MORNING. THE SOIL IS NEAR SATURATION FROM RECENT RAINS
WITH ADDITIONAL RAINS JUST AGGRAVATING THE SITUATION. WINDS GUSTS
TO OVER 50 MILES PER HOUR COMBINED WITH SATURATED SOILS WILL
CAUSE TREES TO FALL MORE EASILY.

PERSONS LIVING ALONG COASTAL AREAS OR IN THE SANTA CRUZ MOUNTAINS WILL
BE ESPECIALLY PRONE TO FALLING TREES. ALSO...SEVERAL HOURS OF
STRONG WINDS ARE EXPECTED WITH THIS STORM...WHICH WILL INCREASE
THE LIKELIHOOD OF WIND DAMAGE. PERSONS IN THE WARNING AREA SHOULD
BE PREPARED FOR POWER OUTAGES AND POSSIBLY BLOCKED ROADWAYS.
PRECAUTIONS SHOULD BE TAKEN WHEN DRIVING AT NIGHT. STAY TUNED TO
YOUR FAVORITE MEDIA OUTLET FOR FURTHER UPDATES ON THIS DEVELOPING
WEATHER SITUATION.

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.

$$

CAZ513-516-518-230600-
/O.UPG.KMTR.HW.A.0003.080223T2000Z-080224T1800Z/
/O.NEW.KMTR.WI.Y.0010.080223T2000Z-080224T1400Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
113 PM PST FRI FEB 22 2008

...WIND ADVISORY IN EFFECT FROM 12 PM SATURDAY TO 6 AM PST
SUNDAY...
...HIGH WIND WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 PM SATURDAY TO 6 AM PST
SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

A POWERFUL PACIFIC STORM DEVELOPING SEVERAL HINDERED MILES TO THE
WEST OF NORTHERN CALIFORNIA WILL MOVE TO JUST OFF THE COAST BY
EARLY SUNDAY MORNING. AS THE STORM BEGINS TO APPROACH THE COAST A
STRONG PRESSURE GRADIENT WILL DEVELOP. WINDS WILL BEGIN TO INCREASE
BY SATURDAY AFTERNOON WITH THE HIGHEST WINDS EXPECTED OVERNIGHT
SATURDAY. WINDS GUSTS TO 50 MPH ARE POSSIBLE IN THE ADVISORY AREA.
WITH THE GROUND WET AND AN EXTENDED PERIOD OF STRONG WINDS...TREES
WILL BE SUSCEPTIBLE TO BLOW-DOWN THUS POTENTIALLY TAKING DOWN
POWER LINES.

PERSONS IN THE ADVISORY AREA SHOULD BE PREPARED FOR POWER OUTAGES
AND POSSIBLY BLOCKED ROADWAYS. PRECAUTIONS SHOULD BE TAKEN WHEN
DRIVING AT NIGHT. STAY TUNED TO YOUR FAVORITE MEDIA OUTLET FOR
FURTHER UPDATES ON THIS DEVELOPING SITUATION.

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.

$$
8 follow-up statements
000 
WWUS76 KMTR 230516
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
916 PM PST FRI FEB 22 2008

...STRONG AND POTENTIALLY DAMAGING WINDS EXPECTED THIS WEEKEND
ACROSS THE SAN FRANCISCO AND MONTEREY BAY AREAS...

.A POWERFUL PACIFIC STORM SYSTEM IS DEVELOPING OVER THE EASTERN
PACIFIC AND WILL CONTINUE TO STRENGTHEN SATURDAY. THE STORM WILL
MOVE TOWARDS THE NORTHERN CALIFORNIA COAST SATURDAY AFTERNOON
INTO SATURDAY NIGHT. SOUTHEAST WINDS WILL INCREASE ACROSS THE
ENTIRE REGION SATURDAY AFTERNOON...AND BECOME VERY STRONG AND
POTENTIALLY DAMAGING SATURDAY NIGHT. WINDS WILL BEGIN TO DECREASE
SUNDAY MORNING.

CAZ006-505>512-514-515-517-231800-
/O.EXT.KMTR.HW.W.0002.080223T2000Z-080224T1800Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
916 PM PST FRI FEB 22 2008

...HIGH WIND WARNING NOW IN EFFECT FROM 12 NOON SATURDAY TO 10 AM
PST SUNDAY FOR MOST OF THE SAN FRANCISCO BAY AREA AS WELL AS
PORTIONS OF THE MONTEREY BAY AREA...

A POWERFUL PACIFIC STORM DEVELOPING SEVERAL HUNDRED MILES TO THE
WEST OF NORTHERN CALIFORNIA ON FRIDAY EVENING WILL MOVE TO JUST
OFF THE COAST BY EARLY SUNDAY MORNING. AS THE STORM APPROACHES THE
COAST A STRONG PRESSURE GRADIENT WILL DEVELOP. AREAS MOST PRONE TO
STRONG WINDS ON SATURDAY AFTERNOON WILL BE COASTAL AREAS NEAR
CANYONS AND THROUGH COASTAL GAPS...AS WELL AS THE NORTHERN SALINAS
VALLEY. BY EARLY SATURDAY EVENING MOST LOCATIONS IN THE WARNING
AREA WILL SEE STRONG SOUTH TO SOUTHEAST WINDS THAT WILL CONTINUE
THROUGH MID MORNING ON SUNDAY.

THE HIGH WIND WARNING COVERS THE ENTIRE SAN FRANCISCO BAY AREA
EXCEPT THE SANTA CLARA VALLEY AND THE CITY OF SAN JOSE. THE
WARNING ALSO COVERS AREAS NEAR MONTEREY BAY...THE BIG SUR
COAST...THE NORTHERN SALINAS VALLEY...AND THE SANTA LUCIA
MOUNTAINS IN MONTEREY COUNTY.

THE SOIL IS NEAR SATURATION FROM RECENT RAINS AND MORE RAIN WILL
OCCUR WITH THIS STORM. WINDS GUSTS IN EXCESS OF 50 MILES PER HOUR
COMBINED WITH SATURATED SOILS WILL CAUSE TREES TO FALL. COASTAL
AREAS AND THE SANTA CRUZ MOUNTAINS WILL BE AREAS ESPECIALLY PRONE
TO FALLING TREES. ALSO...SEVERAL HOURS OF STRONG WINDS ARE EXPECTED
WITH THIS STORM...WHICH WILL INCREASE THE LIKELIHOOD OF WIND
DAMAGE. PERSONS IN THE WARNING AREA SHOULD BE PREPARED FOR POWER
OUTAGES AND POSSIBLY BLOCKED ROADWAYS. PRECAUTIONS SHOULD BE TAKEN
WHEN DRIVING AT NIGHT. STAY TUNED TO YOUR FAVORITE MEDIA OUTLET
FOR FURTHER UPDATES ON THIS DEVELOPING WEATHER SITUATION.

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.

$$

CAZ513-516-518-231800-
/O.EXT.KMTR.WI.Y.0010.080223T2000Z-080224T1800Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
916 PM PST FRI FEB 22 2008

...WIND ADVISORY NOW IN EFFECT FROM 12 NOON SATURDAY TO 10 AM PST
SUNDAY FOR THE SANTA CLARA VALLEY INCLUDING SAN JOSE...THE
SOUTHERN SALINAS VALLEY...AND INTERIOR MONTEREY AND SAN BENITO
COUNTIES...

A POWERFUL PACIFIC STORM DEVELOPING SEVERAL HUNDRED MILES TO THE
WEST OF NORTHERN CALIFORNIA ON FRIDAY EVENING WILL MOVE TO JUST
OFF THE COAST BY EARLY SUNDAY MORNING. AS THE STORM APPROACHES THE
COAST A STRONG PRESSURE GRADIENT WILL DEVELOP. WINDS WILL BEGIN TO
INCREASE BY SATURDAY AFTERNOON WITH THE HIGHEST WINDS EXPECTED
OVERNIGHT SATURDAY. WINDS GUSTS TO 50 MPH ARE POSSIBLE IN THE
ADVISORY AREA. WITH THE GROUND WET AND AN EXTENDED PERIOD OF
STRONG WINDS EXPECTED...TREES WILL BE SUSCEPTIBLE TO BLOW-DOWN
THUS POTENTIALLY TAKING DOWN POWER LINES.

PERSONS IN THE ADVISORY AREA SHOULD BE PREPARED FOR POWER OUTAGES
AND POSSIBLY BLOCKED ROADWAYS. PRECAUTIONS SHOULD BE TAKEN WHEN
DRIVING AT NIGHT. STAY TUNED TO YOUR FAVORITE MEDIA OUTLET FOR
FURTHER UPDATES ON THIS DEVELOPING SITUATION.

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
000 
WWUS76 KMTR 231814
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1014 AM PST SAT FEB 23 2008

...STRONG AND POTENTIALLY DAMAGING WINDS STILL EXPECTED FOR LATE
SATURDAY INTO SATURDAY NIGHT ACROSS THE SAN FRANCISCO AND MONTEREY BAY
AREAS...

.A POWERFUL PACIFIC STORM SYSTEM HAS DEVELOPED OVER THE EASTERN
PACIFIC AND WILL CONTINUE TO MOVE TOWARD THE COAST SATURDAY. AS THE
STORM MOVES CLOSER TO THE NORTHERN CALIFORNIA COAST SATURDAY
AFTERNOON INTO SATURDAY NIGHT SOUTHEAST WINDS WILL INCREASE ACROSS
THE ENTIRE REGION SATURDAY AFTERNOON...AND BECOME VERY STRONG AND
POTENTIALLY DAMAGING SATURDAY NIGHT. WINDS WILL BEGIN TO DECREASE
SUNDAY MORNING.

CAZ006-505>512-514-515-517-240215-
/O.CON.KMTR.HW.W.0002.080223T2000Z-080224T1800Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
1014 AM PST SAT FEB 23 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY...


THE HIGH WIND WARNING COVERS THE ENTIRE SAN FRANCISCO BAY AREA
EXCEPT THE SANTA CLARA VALLEY AND THE CITY OF SAN JOSE. THE
WARNING ALSO COVERS AREAS NEAR MONTEREY BAY...THE BIG SUR COAST...
THE NORTHERN SALINAS VALLEY...AND THE SANTA LUCIA MOUNTAINS IN
MONTEREY COUNTY.

SOUTHEAST WINDS HAVE BEGUN TO INCREASE LATE SATURDAY MORNING AS
THE POWERFUL PACIFIC STORM APPROACHES. THE SOIL IS NEAR
SATURATION FROM RECENT RAINS AND RAIN HAS BEGUN TO FALL WITH THIS
STORM. WINDS GUSTS IN EXCESS OF 50 MILES PER HOUR COMBINED WITH
SATURATED SOILS WILL CAUSE TREES TO FALL. COASTAL AREAS AND THE
SANTA CRUZ MOUNTAINS WILL BE AREAS ESPECIALLY PRONE TO FALLING
TREES. ALSO...SEVERAL HOURS OF STRONG WINDS ARE EXPECTED WITH THIS
STORM...WHICH WILL INCREASE THE LIKELIHOOD OF WIND DAMAGE. PERSONS
IN THE WARNING AREA SHOULD BE PREPARED FOR POWER OUTAGES AND
POSSIBLY BLOCKED ROADWAYS. PRECAUTIONS SHOULD BE TAKEN WHEN
DRIVING AT NIGHT. STAY TUNED TO YOUR FAVORITE MEDIA OUTLET FOR
FURTHER UPDATES ON THIS DEVELOPING WEATHER SITUATION.

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.

$$

CAZ513-516-518-240215-
/O.CON.KMTR.WI.Y.0010.080223T2000Z-080224T1800Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
1014 AM PST SAT FEB 23 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY...

WINDS HAVE BEGUN TO INCREASE IN ADVANCE OF THE STRONG PACIFIC
STORM. WINDS WILL INCREASE FURTHER AS THE STROM APPPROACHES LATE
SATURDAY INTO SATURDAY NIGHT. PERSONS IN THE ADVISORY AREA SHOULD
BE PREPARED FOR POWER OUTAGES AND POSSIBLY BLOCKED ROADWAYS.
PRECAUTIONS SHOULD BE TAKEN WHEN DRIVING AT NIGHT. STAY TUNED TO
YOUR FAVORITE MEDIA OUTLET FOR FURTHER UPDATES ON THIS DEVELOPING
SITUATION.

A WIND ADVISORY MEANS THAT WIND GUSTS OF AT LEAST 45 MPH AND
POSSIBLY GUSTS TO 55 MPH CAN BE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$
000 
WWUS76 KMTR 240217
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
617 PM PST SAT FEB 23 2008

...STRONG AND POTENTIALLY DAMAGING WINDS WILL CONTINUE SATURDAY
NIGHT INTO SUNDAY MORNING ACROSS THE SAN FRANCISCO AND MONTEREY
BAY AREAS...

.A POWERFUL PACIFIC STORM SYSTEM OVER THE EASTERN PACIFIC WILL
CONTINUE TO MOVE SLOWLY TOWARD THE NORTHERN CALIFORNIA COAST
SATURDAY NIGHT AND EARLY SUNDAY MORNING. AS THE STORM MOVES CLOSER
TO THE COAST SATURDAY NIGHT...SOUTHEAST WINDS WILL INCREASE ACROSS
THE ENTIRE REGION AND BECOME VERY STRONG AND POTENTIALLY DAMAGING.
WINDS WILL BEGIN TO DECREASE SUNDAY MORNING.

CAZ006-505>512-514-515-517-241200-
/O.CON.KMTR.HW.W.0002.000000T0000Z-080224T1800Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
617 PM PST SAT FEB 23 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY FOR
MOST OF THE SAN FRANCISCO BAY REGION AND PORTIONS OF THE MONTEREY
BAY AREA...

THE HIGH WIND WARNING COVERS THE ENTIRE SAN FRANCISCO BAY AREA
EXCEPT THE SANTA CLARA VALLEY AND THE CITY OF SAN JOSE. THE
WARNING ALSO COVERS AREAS NEAR MONTEREY BAY...THE BIG SUR COAST...
THE NORTHERN SALINAS VALLEY...AND THE SANTA LUCIA MOUNTAINS IN
MONTEREY COUNTY.

SOUTHEAST WINDS INCREASED ACROSS THE REGION ON SATURDAY. WIND
SPEEDS WERE LOCALLY AS HIGH AS 40 MPH ALONG THE COAST AND IN THE
HILLS. WINDS DECREASED SLIGHTLY EARLY SATURDAY EVENING...BUT ARE
EXPECTED TO INCREASE ONCE AGAIN OVERNIGHT SATURDAY NIGHT AND
REMAIN STRONG AND GUSTY INTO SUNDAY MORNING. THE SOIL IS NEAR
SATURATION FROM RECENT RAINS AND PERIODS OF HEAVY RAIN ARE
EXPECTED SATURDAY NIGHT INTO SUNDAY MORNING. WINDS GUSTS IN EXCESS OF
50 MILES PER HOUR COMBINED WITH SATURATED SOILS WILL CAUSE TREES
TO FALL. AREAS NEAR THE COAST AND THE SANTA CRUZ MOUNTAINS WILL BE
REGIONS ESPECIALLY PRONE TO FALLING TREES. ALSO...SEVERAL HOURS OF
STRONG WINDS ARE EXPECTED WITH THIS STORM...WHICH WILL INCREASE
THE LIKELIHOOD OF WIND DAMAGE. PERSONS IN THE WARNING AREA SHOULD
BE PREPARED FOR POWER OUTAGES AND POSSIBLY BLOCKED ROADWAYS.
BE ESPECIALLY CAREFUL WHEN DRIVING AT NIGHT. STAY TUNED TO YOUR
FAVORITE MEDIA OUTLET FOR FURTHER UPDATES ON THIS CONTINUING HIGH
WIND EVENT.

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.

$$

CAZ513-516-518-241200-
/O.CON.KMTR.WI.Y.0010.000000T0000Z-080224T1800Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
617 PM PST SAT FEB 23 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY FOR THE
SANTA CLARA VALLEY INCLUDING SAN JOSE...THE SOUTHERN SALINAS
VALLEY...AND INTERIOR MONTEREY AND SAN BENITO COUNTIES...

STRONG AND GUSTY SOUTHEAST WINDS WILL CONTINUE SATURDAY NIGHT AND
INTO SUNDAY MORNING. PERSONS IN THE ADVISORY AREA SHOULD BE PREPARED FOR
POWER OUTAGES AND POSSIBLY BLOCKED ROADWAYS DUE TO FALLEN TREES.
BE ESPECIALLY CAREFUL WHEN DRIVING AT NIGHT. STAY TUNED TO YOUR
FAVORITE MEDIA OUTLET FOR FURTHER UPDATES ON THIS CONTINUING HIGH
WIND EVENT.

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

$$

DYKEMA
000 
WWUS76 KMTR 241153
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
353 AM PST SUN FEB 24 2008

...STRONG AND GUSTY WINDS WILL CONTINUE THROUGH 10 AM THIS MORNING...

.AN AREA OF LOW PRESSURE CENTERED 100 NM OFF THE NORTHERN CALIFORNIA
COAST IS MOVING NORTHEAST. STRONG AND GUSTY SOUTHERLY WINDS CAN
BE EXPECTED THROUGH THE EARLY AND MID-MORNING HOURS WITH GUSTS AS
HIGH AS 55 MPH. STRONGEST WINDS WILL BE ALONG THE COAST AND IN THE
MOUNTAINS. WINDS WILL SHIFT TO WEST TO NORTHWEST AND DECREASE LATE
THIS MORNING AND THIS AFTERNOON AS THE LOW MOVES AWAY FROM THE
DISTRICT.


CAZ006-505>512-514-515-517-241800-
/O.CAN.KMTR.HW.W.0002.000000T0000Z-080224T1800Z/
/O.EXA.KMTR.WI.Y.0010.000000T0000Z-080224T1800Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
353 AM PST SUN FEB 24 2008

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

THE WIND ADVISORY COVERS THE ENTIRE SAN FRANCISCO BAY AREA...THE
MONTEREY BAY AREA...THE BIG SUR COAST...THE NORTHERN SALINAS
VALLEY...AND THE SANTA LUCIA MOUNTAINS IN MONTEREY COUNTY.

AT 3 AM...WIND GUSTS UP TO 55 MPH WERE BEING REPORTED BY A NUMBER
OF WEATHER STATIONS AROUND THE SAN FRANCISCO BAY AREA. THESE WINDS
ARE EXPECTED TO CONTINUE THROUGH MID-MORNING BEFORE DECREASING
LATE THIS MORNING AND THIS AFTERNOON.

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


$$

CAZ513-516-518-241800-
/O.CON.KMTR.WI.Y.0010.000000T0000Z-080224T1800Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
353 AM PST SUN FEB 24 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

STRONG AND GUSTY SOUTHEAST WINDS WILL CONTINUE THROUGH MID-MORNING
TODAY. PERSONS IN THE ADVISORY AREA SHOULD BE PREPARED FOR POWER
OUTAGES AND POSSIBLY BLOCKED ROADWAYS DUE TO FALLEN TREES. BE
ESPECIALLY CAREFUL WHEN DRIVING AT NIGHT. STAY TUNED TO YOUR
FAVORITE MEDIA OUTLET FOR FURTHER UPDATES ON THIS CONTINUING HIGH
WIND EVENT. WINDS WILL SWITCH TO THE WEST TO NORTHWEST AND
DECREASE LATE THIS MORNING.

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

$$

W PI
000 
WWUS76 KMTR 241733
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
933 AM PST SUN FEB 24 2008

...STRONG AND GUSTY WINDS WILL CONTINUE THROUGH 1 PM THIS
AFTERNOON...

.AN AREA OF LOW PRESSURE CENTERED JUST OFF THE NORTHERN
CALIFORNIA COAST IS MOVING NORTHEAST. STRONG AND GUSTY SOUTHERLY
WINDS CAN BE EXPECTED THROUGH EARLY AFTERNOON WITH GUSTS AS HIGH
AS 55 MPH. STRONGEST WINDS WILL BE ALONG THE COAST AND IN THE
MOUNTAINS. WINDS WILL SHIFT TO WEST TO NORTHWEST AND DECREASE LATE
THIS AFTERNOON AS THE LOW MOVES AWAY FROM THE DISTRICT.

CAZ513-516-518-242100-
/O.EXT.KMTR.WI.Y.0010.000000T0000Z-080224T2100Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
933 AM PST SUN FEB 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON.

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

$$

CAZ006-505>512-514-515-517-242100-
/O.EXT.KMTR.WI.Y.0010.000000T0000Z-080224T2100Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
933 AM PST SUN FEB 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON.

THE WIND ADVISORY COVERS THE ENTIRE SAN FRANCISCO BAY AREA...THE
MONTEREY BAY AREA...THE BIG SUR COAST...THE NORTHERN SALINAS
VALLEY...AND THE SANTA LUCIA MOUNTAINS IN MONTEREY COUNTY.

AT 9 AM...WIND GUSTS OVER 45 MPH WERE STILL BEING REPORTED BY A
NUMBER OF WEATHER STATIONS AROUND THE SAN FRANCISCO BAY AREA.
THESE WINDS ARE EXPECTED TO CONTINUE THROUGH EARLY THIS AFTERNOON
BEFORE BEGINNING TO DIMINISH.

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

$$


BELL
000 
WWUS76 KMTR 242100
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
100 PM PST SUN FEB 24 2008

...STRONG AND GUSTY WINDS WILL CONTINUE THROUGH 1 PM THIS
AFTERNOON...

.AN AREA OF LOW PRESSURE CENTERED JUST OFF THE NORTHERN
CALIFORNIA COAST IS MOVING NORTHEAST. STRONG AND GUSTY SOUTHERLY
WINDS CAN BE EXPECTED THROUGH THE AFTERNOON WITH LOCAL GUSTS AS
HIGH AS 55 MPH ESPECIALLY ALONG THE COAST AND IN THE MOUNTAINS.
WINDS WILL SHIFT TO WEST TO NORTHWEST AND DECREASE THIS EVENING AS
THE LOW MOVES AWAY FROM THE DISTRICT.

CAZ513-516-518-250200-
/O.EXT.KMTR.WI.Y.0010.000000T0000Z-080225T0200Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
100 PM PST SUN FEB 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM PST THIS EVENING.

LOCAL GUSTS TO 45 MPH ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON
BEFORE BEGINNING TO DIMINISH BY THE EVENING.

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

$$

CAZ006-505>512-514-515-517-250200-
/O.EXT.KMTR.WI.Y.0010.000000T0000Z-080225T0200Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
100 PM PST SUN FEB 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM PST THIS AFTERNOON.

THE WIND ADVISORY COVERS THE ENTIRE SAN FRANCISCO BAY AREA...THE
MONTEREY BAY AREA...THE BIG SUR COAST...THE NORTHERN SALINAS
VALLEY...AND THE SANTA LUCIA MOUNTAINS IN MONTEREY COUNTY.

LOCAL GUSTS TO 45 MPH ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON
BEFORE BEGINNING TO DIMINISH BY THE EVENING.

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

$$

BELL
000 
WWUS76 KMTR 242102 CCA
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
100 PM PST SUN FEB 24 2008

CORRECTED HEADLINE TIME

...STRONG AND GUSTY WINDS WILL CONTINUE THROUGH 6 PM THIS EVENING...

.AN AREA OF LOW PRESSURE CENTERED JUST OFF THE NORTHERN
CALIFORNIA COAST IS MOVING NORTHEAST. STRONG AND GUSTY SOUTHERLY
WINDS CAN BE EXPECTED THROUGH THE AFTERNOON WITH LOCAL GUSTS AS
HIGH AS 55 MPH ESPECIALLY ALONG THE COAST AND IN THE MOUNTAINS.
WINDS WILL SHIFT TO WEST TO NORTHWEST AND DECREASE THIS EVENING AS
THE LOW MOVES AWAY FROM THE DISTRICT.

CAZ513-516-518-250200-
/O.EXT.KMTR.WI.Y.0010.000000T0000Z-080225T0200Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
100 PM PST SUN FEB 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM PST THIS EVENING.

LOCAL GUSTS TO 45 MPH ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON
BEFORE BEGINNING TO DIMINISH BY THE EVENING.

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

$$

CAZ006-505>512-514-515-517-250200-
/O.EXT.KMTR.WI.Y.0010.000000T0000Z-080225T0200Z/
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-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
100 PM PST SUN FEB 24 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM PST THIS AFTERNOON.

THE WIND ADVISORY COVERS THE ENTIRE SAN FRANCISCO BAY AREA...THE
MONTEREY BAY AREA...THE BIG SUR COAST...THE NORTHERN SALINAS
VALLEY...AND THE SANTA LUCIA MOUNTAINS IN MONTEREY COUNTY.

LOCAL GUSTS TO 45 MPH ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON
BEFORE BEGINNING TO DIMINISH BY THE EVENING.

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

$$

BELL
000 
WWUS76 KMTR 250120
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
520 PM PST SUN FEB 24 2008

...WINDS HAVE DECREASED ACROSS THE REGION...

.THE DEEP AREA OF LOW PRESSURE THAT WAS RESPONSIBLE FOR STRONG AND
GUSTY WINDS ACROSS THE SAN FRANCISCO AND MONTEREY BAY AREAS SINE
SATURDAY AFTERNOON HAS WEAKENED AND MOVED INLAND OVER FAR NORTHERN
CALIFORNIA. WIND SPEEDS HAVE FALLEN BELOW ADVISORY LEVELS AND
WINDS ARE EXPECTED TO DECREASE THROUGH THE EVENING.
THEREFORE...THE WIND ADVISORY HAS BEEN CANCELLED.

CAZ006-505>518-250230-
/O.CAN.KMTR.WI.Y.0010.000000T0000Z-080225T0200Z/
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 CLARA VALLEY...INCLUDING SAN JOSE-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
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-
520 PM PST SUN FEB 24 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MONTEREY HAS CANCELLED THE
WIND ADVISORY THAT HAD BEEN IN EFFECT FOR THE ENTIRE SAN FRANCISCO
AND MONTEREY BAY AREAS.

BY 5 PM SUNDAY WIND SPEEDS HAD FALLEN BELOW ADVISORY LEVELS. WINDS
ARE EXPECTED TO CONTINUE TO DECREASE THROUGH THE EVENING HOURS.
THEREFORE...THE WIND ADVISORY HAS BEEN CANCELLED.

$$

DYKEMA

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this wind advisory went out at Feb 22, 9:54 AM PST, 3 hours 19 minutes earlier.

Area forecast discussion, Feb 22, 9:54 AM PST, 3 hours 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA CA
954 AM PST FRI FEB 22 2008

...POWERFUL STORM STILL ON TRACK FOR WEEKEND...

.DISCUSSION...LATEST RADAR AND SATELLITE DATA INDICATE NUMEROUS
SHOWERS AROUND IN MOIST WESTERLY ONSHORE FLOW. ONE LIGHTNING
STRIKE SEEN JUST OF MONTEREY IN PAST 30 MIN. SOME OF THE SHOWERS IN
SOUTHERN NAPA AND NORTHERN EAST BAY ARE LOCALLY HEAVY ALTHOUGH SOME
BRIGHT BANDING MAY BE OCCURRING AS MELT LEVELS MAY BE NEAR 3800 FT.
EXPECT THESE SHOWERS TO CONTINUE THROUGH MOST OF THE DAY AS VISIBLE
SATELLITE IMAGERY SHOWS MORE SHOWERS OUT SOME 120 NMI WEST OF SAN
FRANCISCO. THESE SHOWERS ARE NEAR THE 700 MB TROUGH AXIS WHICH IS
FORECAST BY LATEST 12Z GFS TO PASS THROUGH THE FORECAST AREA AROUND 4
PM THIS AFTERNOON.  SHOULD SEE SHOWERS DIMINISH RAPIDLY TONIGHT AS
SHORTWAVE RIDGE BUILDS OVER THE AREA IN ADVANCE OF THE MAJOR STORM
SYSTEM TO IMPACT THE AREA TOMORROW THROUGH SUNDAY. WILL TWEAK ZONES A
LITTLE AFTER 9 AM TO ADJUST WORDING FOR SHOWERS.

THE MAJOR STORM IS NOW TAKING SHAPE NEAR 34/150 WITH NICE DARKENING
IN WV IMAGERY AND VERY NICE BAROCLINIC LEAF AHEAD OF THIS.  MODELS
INDICATE THIS SYSTEM WILL BOMB OUT NEAR 37/136 BY 12Z SAT. SOME
DIFFERENCES BETWEEN 00Z EURO AND 12Z GFS WITH EURO SHOWING MIN
CENTRAL PRESSURE OF 967 MB WHILE 12Z GFS SHOWS 980 MB.  THIS IS A
SIGNIFICANT DIFFERENCE AND MAY BE ASSOC WITH MODEL SPECTRAL
RESOLUTION.  THE STORM THAN MOVES ALMOST DUE EAST TOWARD THE NOR CAL
COAST AND BY SUN 12Z IS JUST OFF THE MENDICINO COAST. ALTHOUGH THIS
LOOKS LIKE A VERY POWERFUL STORM THERE ARE SOME SIGNIFICANT
DIFFERENCES BETWEEN THIS STORM AND THE JAN 4-5 EVENT. THAT STORM WAS
IN THE DEEPENING STAGE AS IT APPROACHED THE COAST WHILE THIS STORM IS
FILLING. WHAT THIS MEANS IS THE LARGE SCALE VERTICAL MOTIONS AND
FRONTAL LIFT WILL BE WEAKER. SO WILL NOT SEE THE 5 TO 8 TO 10 IN
RAINS WE SAW IN THE JAN EVENT. ALSO LOW LEVEL WINDS WILL BE
MORE OFFSHORE AHEAD OF THE FRONT AS DESCRIBED IN THE PARAGRAPH
BELOW. RAINFALL TOTALS WILL BE MORE IN THE 2 TO 3 IN RANGE IN THE
NORTH BAY OROGRAPHICALLY FAVORED REGIONS...THE SANTA CRUZ MTNS AND
THE SANTA LUCIAS. 1 TO 2 INCHES ARE LIKELY IN THE LOWER ELEVATIONS BY
LATE SUN. THUS DO NOT EXPECT ANY MAINSTEM RIVER PROBLEMS BUT LOCAL
STREAMS AND CREEKS COULD SEE RAPID RISES LATE SAT AND SAT NIGHT JUST
AHEAD OF AND WITH THE COLD FRONT.

WINDS WILL BE THE BIGGEST FACTOR FOR THIS EVENT. WILL LOOK CLOSELY AT
LATEST MODEL GUIDANCE BUT AM LEANING TOWARD ISSUING A HIGH WIND
WARNING WITH THIS AFTERNOONS PACKAGE FOR MOST OF THE CWA EXCEPT MAYBE
THE SANTA CLARA VALLEY...THE SOUTHERN SALINAS VALLEY AND THE GABILAN
RANGE FOR LATE SAT MORNING INTO EARLY SUN. WINDS WILL PICK UP SHARPLY
DURING THE MORNING HOURS SAT ESPECIALLY IN PLACES LIKE THE NORTHERN
SALINAS VALLEY WHICH IS A FAVORED LOCATION FOR STRONG AND GUSTY SE
WINDS. SINCE THE LOW WILL BE MOVING EAST AT ABOUT OUR LATITUDE THERE
WILL BE STRONG CROSS ISOBARIC FLOW OFFSHORE FROM THE EAST AND
SOUTHEAST DURING THE DAY TOMORROW. THUS COASTAL GAPS AND CANYONS AND
VALLEY LOCATIONS ORIENTED SE TO NW MAY SEE WINDS OF 25 TO 35 MPH WITH
GUSTS TO 45 MPH EARLIER IN THE DAY. WINDS WILL PEAK SAT EVENING WITH
AND JUST BEHIND THE FRONT WITH LOWER ELEVATIONS OF THE NORTH BAY AND
SF BAY AREAS SEEING GUSTS TO 60 MPH AND UPPER ELEVATIONS ABOVE 1000
FT OVER 70 MPH. WET SOILS AND HIGH WINDS WILL LEAD TO DOWNED TREES
AND POWERLINES ESPECIALLY IN THE SANTA CRUZ MTNS AND MOST COASTAL
AREAS. EXPECT HIGH/DAMAGING WINDS TO BE OVER BY MIDNIGHT SAT BUT
WINDS WILL REMAIN STRONG AND GUSTY AS THE LOW SLOWLY FILLS OVER NOR
CAL DURING THE MORNING HOURS OF SUN.  SO SUN WILL SEE NUMEROUS
SHOWERS AND WILL LOOK MORE CLOSELY AT THREAT OF ANY THUNDER FOR
AFTERNOON PACKAGE.

EXTENDED...RIDGE BUILDS IN RAPIDLY OVER THE STATE MON AND CONTINUES
FOR THE REST OF THE WEEK.  THUS THE LA NINA PATTERN KICKS RIGHT
BACK IN AFTER THIS MJO INDUCED STORMY PERIOD DIMINISHES.
QUESTION WILL BE WHETHER CONVECTION REDEVELOPS IN THE INDIAN
OCEAN AS THE 200 MB VELOCITY POTENTIAL ASSOC WITH A POSSIBLE 4TH
MJO THIS WINTER. MODELS DO NOT HANDLE THIS VERY WELL. CAN SAY
WITH SOME CONFIDENCE HOWEVER THAT NEXT WEEK AT LEAST WILL BE DRY AND
MUCH WARMER.

&&

.AVIATION...SHOWERS AROUND THE AREA THIS MORNING WILL CONTINUE TO
MOVE OFF TO THE EAST. VAST MAJORITY OF PRECIPITATION IS ALREADY TO
THE EAST OF SF BAY AREA TERMINALS ALTHOUGH VCSH LEFT IN AS A FEW
POCKETS ARE STILL POSSIBLE THROUGH 23Z DUE TO MOIST FLOW. CIGS SHOULD
GENERALLY BE BKN BETWEEN 030 AND 045 THROUGH THE DAY TODAY WITH
HIGHER AMOUNTS MORE LIKELY BY AFTERNOON. SOUTHWEST WINDS GENERALLY
UNDER 10 KT THIS MORNING WILL BECOME MORE WESTERLY BY AFTERNOON. ONE
EXCEPTION WILL BE NEAR KSNS WHERE GUSTY SOUTHEASTERLY WINDS THIS
MORNING WILL STITCH TO THE WEST BY AFTERNOON. FOR THE EVENING
HOURS...MOSTLY SCT TO BKN SKIES FROM 030 TO 050 EXPECT NEAR KSTS
WHERE 2SM BR EXPECTED FOR OVERNIGHT HOURS. SCT TO BKN SKIES CONTINUE
THROUGH EARLY MORNING HOURS TOMORROW BEFORE GOING BKN TO OVC BY
AFTERNOON. WINDS WILL PICK UP DRAMATICALLY BY LATE TOMORROW
AFTERNOON.

FOR KSFO...FEW SHOWERS STILL EXPECTED THROUGH 22Z WITH MAIN ACTIVITY
OFF TO THE EAST AND SOUTH. SCT030 WITH BKN TO OVC 035 TO 045 ALSO
EXPECTED ALONG WITH PATCHES OF FEW015. WEST WINDS TO AROUND 10 KT
WILL SWITCH TO THE SOUTHEAST BY SATURDAY MORNING. MUCH HIGHER
SPEEDS...WITH GUSTS POTENTIALLY TO 50 KT...ARE FORECAST FOR
LATE SATURDAY EVENING.

.MARINE...WINDS WILL INCREASE FOR TOMORROW IN ALL ZONES ALONG WITH A
SIGNIFICANT RISE IN SEAS. STORM FORCE WINDS ARE POSSIBLE AND
WARNINGS MAY BE ISSUED WITH THE AFTERNOON PACKAGE.
&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .TDY...SCA FOR ROUGH BAR.
     .SAT AFTN THROUGH SUN MORNING...HIGH WIND WATCH FOR
      ENTIRE SAN FRANCISCO AND MONTEREY BAY AREAS.

PUBLIC FORECAST: REYNOLDS
AVIATION/MARINE: BELL

NWS ON THE WEB AT WEATHER.GOV/SANFRANCISCO
Hazardous weather outlook, Feb 22, 4:55 AM PST, 8 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
455 AM PST FRI FEB 22 2008

CAZ006-505>518-231300-
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 CLARA VALLEY...INCLUDING SAN JOSE-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
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-
455 AM PST FRI FEB 22 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CA.

.DAY ONE...FRIDAY AND FRIDAY NIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A POWERFUL WINTER STORM IS FORECAST TO APPROACH THE COAST OF NORTHERN
AND CENTRAL CALIFORNIA ON SATURDAY. STRONG SOUTHEAST WINDS WILL
DEVELOP SATURDAY AFTERNOON...AND CONTINUE THROUGH SATURDAY NIGHT
AND INTO EARLY SUNDAY. SUSTAINED WIND SPEEDS OF 25 TO 40 MPH ARE
POSSIBLE...WITH GUSTS TO 60 MPH POSSIBLE IN THE HILLS AND ALONG
THE COAST. A HIGH WIND WATCH IS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING FOR THE ENTIRE SAN FRANCISCO BAY AREA AND
MONTEREY BAY AREA.

*  HIGH WIND WATCH.......SEE SFONPWMTR - WWUS76 KMTR FOR DETAILS  *

IN ADDITION TO STRONG WINDS...THE WEEKEND STORM WILL PRODUCE
PERIODS OF HEAVY RAIN...PARTICULARLY IN THE COASTAL MOUNTAINS.
RAINFALL TOTALS OVER THE WEEKEND WILL RANGE FROM ONE TO TWO INCHES
AT LOW ELEVATIONS...AND FROM TWO TO FOUR INCHES IN THE
MOUNTAINS...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IF RAIN RATES
ARE HIGH ENOUGH THERE IS THE POSSIBILITY OF FLOODING ALONG SMALL
STREAMS AND CREEKS...AS WELL AS IN URBAN AREAS PRONE TO FLOODING.

FINALLY...THIS STORM WILL PRODUCE LARGE WAVES OVER THE OCEAN WHICH
WILL BREAK ALONG THE NORTHERN AND CENTRAL CALIFORNIA COAST.
BREAKERS AS HIGH AS 25 FEET ARE POSSIBLE ALONG THE COAST OF THE
SAN FRANCISCO AND MONTEREY BAY AREAS ON SUNDAY. A MARINE WEATHER
STATEMENT WAS ISSUED WITH IMPORTANT INFORMATION FOR MARINERS CONCERNING
EXPECTED WIND AND WAVE CONDITIONS OVER THE COASTAL WATERS AND BAYS.

*  MARINE WEATHER STATEMENT....SEE SFOMWSMTR - FZUS76 KMTR FOR
   DETAILS  *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS PER STANDARD OPERATING PROCEDURES.

DYKEMA/W PI

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 5:50 AM PSTMarine Weather StatementMTR58 hr
Feb 22, 1:13 PM PSTHigh Wind WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, City and County of San Francisco and 4 more39 hr

Nearby

Wind Advisories in California, 2008Every wind advisory in 2008

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.