Alert archive / California / Wind Advisories in 2008

Wind Advisory 20, NWS San Francisco Bay Area, CA

October 8, 200811 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Oct 8, 2008, 2:22 PM PDT for 11 counties in California. It took effect at Oct 8, 2008, 8:31 PM PDT. It was in force for 61 hr.

The area

The counties it named.

The facts

Issued
Oct 8, 2008, 2:22 PM PDT (21:22 UTC)
In effect from
Oct 8, 2008, 8:31 PM PDT
Expired
Oct 11, 2008, 9:09 AM PDT
In force
61 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 21:21 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, 9.4 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 2008-10-08Temperature 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 2008-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
1457 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
-6 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 082122
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
222 PM PDT WED OCT 8 2008

CAZ505-091400-
/O.NEW.KMTR.WI.Y.0020.081009T0700Z-081010T0100Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
222 PM PDT WED OCT 8 2008

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PDT
THURSDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM PDT THURSDAY. 

THE SURFACE PRESSURE GRADIENT WILL GREATLY INCREASE TONIGHT AS A
STRONG AREA OF HIGH PRESSURE INTERACTS WITH AN AREA OF LOW
PRESSURE OVER SOUTHERN NEVADA. NORTH TO NORTHWESTERLY WINDS
STARTING TONIGHT OF 20 TO 35 MPH WITH GUSTS UP TO 50 MPH
CAN BE EXPECTED WITH THE STRONGEST WINDS ANTICIPATED NEAR POINT
REYES. THESE WINDY CONDITIONS SHOULD TO CONTINUE THROUGH THURSDAY
AFTERNOON.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

BELL
11 follow-up statements
000 
WWUS76 KMTR 090331
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
831 PM PDT WED OCT 8 2008

CAZ505-091600-
/O.EXT.KMTR.WI.Y.0020.081009T0331Z-081010T0100Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
831 PM PDT WED OCT 8 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PDT THURSDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM PDT THURSDAY.

THE SURFACE PRESSURE GRADIENT HAS RAMPED UP ACROSS NORTHERN CALIFORNIA
AS A STRONG AREA OF HIGH PRESSURE INTERACTS WITH AN AREA OF LOW 
PRESSURE OVER SOUTHERN NEVADA. NORTH TO NORTHWESTERLY WINDS
STARTING TONIGHT OF 20 TO 35 MPH WITH GUSTS UP TO 50 MPH CAN BE
EXPECTED WITH THE STRONGEST WINDS ANTICIPATED NEAR POINT REYES.
THESE WINDY CONDITIONS SHOULD TO CONTINUE THROUGH THURSDAY
AFTERNOON.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$
000 
WWUS76 KMTR 091058
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
358 AM PDT THU OCT 9 2008

CAZ507-511-092200-
/O.EXB.KMTR.WI.Y.0020.081010T0100Z-081010T1900Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
358 AM PDT THU OCT 9 2008

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM PDT FRIDAY. 

A STRONG AREA OF HIGH PRESSURE WILL INTERACT WITH A DEEPENING AREA
OF LOW PRESSURE OVER SOUTHERN NEVADA TO INCREASE WINDS OVER THE
NORTH AND EAST BAY MOUNTAINS. NORTH WINDS WILL INCREASE TO 20 TO
35 MPH WITH GUSTS UP TO 45 MPH THIS EVENING...CONTINUING THROUGH
FRIDAY MORNING. WINDS WILL DECREASE FRIDAY AFTERNOON.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

CAZ505-092200-
/O.EXT.KMTR.WI.Y.0020.000000T0000Z-081010T0700Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
358 AM PDT THU OCT 9 2008

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. 

A STRONG AREA OF HIGH PRESSURE WILL INTERACT WITH A DEEPENING AREA
OF LOW PRESSURE OVER SOUTHERN NEVADA CONTINUING THE STRONG GUSTY
WINDS ALONG THE COAST. NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS
TO 45 MPH WILL CONTINUE THROUGH THE EVENING HOURS. THE STRONGEST
WINDS WILL BE NEAR PT REYES. WINDS WILL DECREASE AFTER MIDNIGHT
TONIGHT.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

STROBIN
000 
WWUS76 KMTR 092214
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
314 PM PDT THU OCT 9 2008

CAZ006-506-508>510-512-513-516>518-528>530-100615-
/O.EXB.KMTR.WI.Y.0020.081009T2214Z-081011T1200Z/
SAN FRANCISCO-NORTH BAY INTERIOR VALLEYS-
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
EAST BAY INTERIOR VALLEYS-SANTA CRUZ MOUNTAINS-
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-
314 PM PDT THU OCT 9 2008

...WIND ADVISORY IN EFFECT UNTIL 5 AM PDT SATURDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM PDT SATURDAY. 

A STRONG AREA OF HIGH PRESSURE WILL CONTINUE TO INTERACT WITH A
DEEPENING AREA OF LOW PRESSURE OVER SOUTHERN NEVADA. AT THE SAME
TIME...VERY STRONG WINDS ABOVE THE SURFACE WILL MOVE OVERHEAD AS A
STRONG STORM SYSTEM ALOFT MOVES INTO SOUTHERN NEVADA. THESE TWO
FACTORS WILL COMBINE TO CREATE STRONG NORTHERLY WINDS ACROSS MUCH
OF THE DISTRICT. WINDS OF 15 TO 30 MPH WITH LOCAL GUSTS OF UP TO
45 MPH ARE EXPECTED INTO EARLY SATURDAY MORNING FOR LOW LYING
AREAS. HIGHER ELEVATIONS MAY SEE EVEN STRONGER WINDS WITH GUSTS
APPROACHING 60 MPH.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

CAZ505-100615-
/O.EXT.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
314 PM PDT THU OCT 9 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 5 AM PDT SATURDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 5 AM PDT SATURDAY FOR THE
COASTAL NORTH BAY INCLUDING THE POINT REYES NATIONAL SEASHORE.

A STRONG AREA OF HIGH PRESSURE WILL CONTINUE TO INTERACT WITH A
DEEPENING AREA OF LOW PRESSURE OVER SOUTHERN NEVADA. AT THE SAME
TIME...VERY STRONG WINDS ABOVE THE SURFACE WILL MOVE OVERHEAD AS A
STRONG STORM SYSTEM ALOFT MOVES INTO SOUTHERN NEVADA. THESE TWO
FACTORS WILL COMBINE TO CREATE STRONG NORTHERLY WINDS ACROSS MUCH
OF THE DISTRICT. WINDS OF 15 TO 30 MPH WITH LOCAL GUSTS OF UP TO
45 MPH ARE EXPECTED INTO EARLY SATURDAY MORNING FOR LOW LYING
AREAS. HIGHER ELEVATIONS MAY SEE EVEN STRONGER WINDS WITH GUSTS
APPROACHING 60 MPH.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

CAZ507-511-100615-
/O.EXT.KMTR.WI.Y.0020.081009T2214Z-081011T1200Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
314 PM PDT THU OCT 9 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 5 AM PDT SATURDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 5 AM PDT SATURDAY FOR THE
NORTH BAY MOUNTAINS...EAST BAY HILLS...AND THE DIABLO RANGE.

A STRONG AREA OF HIGH PRESSURE WILL CONTINUE TO INTERACT WITH A
DEEPENING AREA OF LOW PRESSURE OVER SOUTHERN NEVADA. AT THE SAME
TIME...VERY STRONG WINDS ABOVE THE SURFACE WILL MOVE OVERHEAD AS A
STRONG STORM SYSTEM ALOFT MOVES INTO SOUTHERN NEVADA. THESE TWO
FACTORS WILL COMBINE TO CREATE STRONG NORTHERLY WINDS ACROSS MUCH
OF THE DISTRICT. WINDS OF 15 TO 30 MPH WITH LOCAL GUSTS OF UP TO
45 MPH ARE EXPECTED INTO EARLY SATURDAY MORNING FOR LOW LYING
AREAS. HIGHER ELEVATIONS MAY SEE EVEN STRONGER WINDS WITH GUSTS
APPROACHING 60 MPH.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$
000 
WWUS76 KMTR 100347
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
847 PM PDT THU OCT 9 2008

CAZ006-505>513-516>518-528>530-101300-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
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-
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-
847 PM PDT THU OCT 9 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY FOR THE
ENTIRE SAN FRANCISCO AND MONTEREY BAY AREAS...

A STRONG AREA OF HIGH PRESSURE WILL CONTINUE TO INTERACT WITH A
DEEPENING AREA OF LOW PRESSURE OVER SOUTHERN NEVADA. AT THE SAME
TIME...VERY STRONG WINDS ABOVE THE SURFACE WILL MOVE OVERHEAD AS
A STRONG STORM SYSTEM ALOFT MOVES INTO SOUTHERN NEVADA. THESE TWO
FACTORS WILL COMBINE TO CREATE STRONG NORTHERLY WINDS ACROSS MUCH
OF THE DISTRICT. WINDS OF 15 TO 35 MPH WITH LOCAL GUSTS OF UP TO
45 MPH ARE EXPECTED INTO EARLY SATURDAY MORNING FOR LOW LYING
AREAS. HIGHER ELEVATIONS MAY SEE EVEN STRONGER WINDS WITH GUSTS
APPROACHING 60 MPH.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$
000 
WWUS76 KMTR 101524
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
824 AM PDT FRI OCT 10 2008

.AN INCREASINGLY STRONG PRESSURE GRADIENT IS EXPECTED TO DEVELOP
OVER THE REGION THIS AFTERNOON AND EVENING AS HIGH PRESSURE
CONTINUES OFFSHORE AND LOW PRESSURE DEEPENS OVER SOUTHERN NEVADA.
THIS WILL RESULT IN LOCALLY STRONG AND GUSTY NORTHERLY
WINDS...ESPECIALLY ALONG THE COAST AND IN THE HILLS. 

WINDS ARE EXPECTED TO DIMINISH TONIGHT AT LOWER ELEVATIONS...AND
BY LATE SATURDAY MORNING IN THE HILLS.

CAZ507-511-102330-
/O.EXT.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
824 AM PDT FRI OCT 10 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 11 AM PDT SATURDAY...

WINDS ARE EXPECTED TO INCREASE THIS AFTERNOON AND THEN CONTINUE TO
BE LOCALLY STRONG AND GUSTY TONIGHT...AND THEN DIMINISH BY LATE
SATURDAY MORNING.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

CAZ006-505-506-508>510-512-513-516>518-528>530-102330-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY INTERIOR VALLEYS-
SANTA CRUZ MOUNTAINS-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-
824 AM PDT FRI OCT 10 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY...

STRONGEST WINDS ARE EXPECTED TO OCCUR ALONG THE COAST AND THROUGH
THE COASTAL GAPS THIS AFTERNOON AND EVENING.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$
000 
WWUS76 KMTR 102203
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
303 PM PDT FRI OCT 10 2008

.A STRONG BUT DRY LOW PRESSURE SYSTEM HAS ENTERED CALIFORNIA
CAUSING A TIGHT PRESSURE GRADIENT TO DEVELOP. THIS WILL RESULT IN
LOCALLY STRONG AND GUSTY NORTHERLY WINDS...ESPECIALLY ALONG THE
COAST AND IN THE HILLS.

CAZ006-505-506-508>510-512-513-516>518-528>530-110615-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY INTERIOR VALLEYS-
SANTA CRUZ MOUNTAINS-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-
303 PM PDT FRI OCT 10 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY...

STRONG AND GUSTY WINDS HAVE DEVELOPED ALONG THE COAST AND IN THE
COASTAL VALLEYS THIS AFTERNOON. NORTHERLY WINDS OF 15 TO 30 MPH
WITH LOCAL GUSTS TO 45 MPH HAVE BEEN REPORTED ALONG THE SHORELINE
THIS AFTERNOON AND ARE EXPECTED TO CONTINUE INTO THE EARLY
MORNING HOURS OF SATURDAY.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

CAZ507-511-110615-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
303 PM PDT FRI OCT 10 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY...

STRONG AND GUSTY WINDS HAVE DEVELOPED OVER THE HIGHER TERRAIN
TODAY. NORTHERLY WINDS OF 15 TO 30 MPH WITH LOCAL GUSTS TO 45 MPH
HAVE BEEN REPORTED IN THE NORTH AND EAST BAY HILLS THIS AFTERNOON
AND ARE EXPECTED TO CONTINUE INTO SATURDAY MORNING.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

EVANS
WEATHER.GOV/SANFRANCISCO
000 
WWUS76 KMTR 110248
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
748 PM PDT FRI OCT 10 2008

.BY 7 PM FRIDAY EVENING WINDS HAD BEGUN TO DIMINISH AT MOST LOWER
ELEVATION LOCATIONS. HOWEVER...WINDS REMAINED LOCALLY STRONG AND
GUSTY IN THE HILLS AND ALONG THE COAST NORTH OF SAN FRANCISCO.

CAZ006-506-508>510-513-516-528>530-110400-
/O.CAN.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
SAN FRANCISCO-NORTH BAY INTERIOR VALLEYS-
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
EAST BAY INTERIOR VALLEYS-SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
748 PM PDT FRI OCT 10 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS
CANCELLED THE WIND ADVISORY FOR ALL ELEVATIONS BELOW 1000 FEET
EXCEPT THE NORTH BAY COAST. BY 7 PM WIND SPEEDS HAD DECREASED WELL
BELOW ADVISORY LEVELS AT NEARLY ALL LOWER ELEVATION LOCATIONS. THEREFORE
THE WIND ADVISORY HAS BEEN CANCELLED. 

$$

CAZ505-512-517-518-111200-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SANTA CRUZ MOUNTAINS-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
748 PM PDT FRI OCT 10 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY FOR THE
NORTH BAY COAST...SANTA CRUZ MOUNTAINS...AND MOUNTAINS OF MONTEREY
AND SAN BENITO COUNTIES...

BLUSTERY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH FRIDAY NIGHT.
NORTH WINDS OF 20 TO 35 MPH CAN BE EXPECTED IN THE ADVISORY AREA
OVERNIGHT...WITH GUSTS AS HIGH AS 45 MPH. WINDS WILL DECREASE BY
EARLY SATURDAY MORNING.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

CAZ507-511-111200-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
748 PM PDT FRI OCT 10 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT SATURDAY FOR
THE NORTH AND EAST BAY HILLS...

AT 7 PM FRIDAY EVENING NORTH WINDS WERE GUSTING BETWEEN 25 AND 40
MPH IN THE NORTH AND EAST BAY HILLS. WINDS ARE EXPECTED TO
INCREASE FURTHER OVERNIGHT AT ELEVATIONS ABOVE 1000 FEET. WIND
GUSTS OF 45 MPH ARE LIKELY AT THE HIGHER ELEVATIONS OF THE NORTH
AND EAST BAY HILLS THROUGH EARLY SATURDAY. WINDS WILL BEGIN TO
EASE LATE SATURDAY MORNING...AND ESPECIALLY SATURDAY AFTERNOON.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

LOCALLY STRONG AND GUSTY WINDS ARE FORECAST TO CONTINUE AT TIMES IN
THE HILLS OF THE NORTH AND EAST BAY THROUGH SUNDAY MORNING.

$$

DYKEMA
000 
WWUS76 KMTR 111033
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
330 AM PDT SAT OCT 11 2008

DEFAULT OVERVIEW SECTION
CAZ505-512-517-518-111115-
/O.CAN.KMTR.WI.Y.0020.000000T0000Z-081011T1200Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SANTA CRUZ MOUNTAINS-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
330 AM PDT SAT OCT 11 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS CANCELLED 
THE WIND ADVISORY FOR THE COASTAL NORTH BAY ALONG WITH THE SANTA 
CRUZ MOUNTAINS AND HIGHER ELEVATIONS IN MONTEREY AND SAN BENITO 
COUNTIES.

ALTHOUGH LOCAL AREAS MAY EXPERIENCE GUSTS THIS MORNING...WIND SPEEDS 
ARE EXPECTED TO STAY UNDER ADVISORY CRITERIA. THEREFORE...THE WIND 
ADVISORY HAS BEEN CANCELLED. 


$$

CAZ506-516-528-111815-
/O.NEW.KMTR.FR.Y.0005.081012T1000Z-081012T1500Z/
NORTH BAY INTERIOR VALLEYS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
330 AM PDT SAT OCT 11 2008

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A 
FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY FOR 
THE SALINAS VALLEY AND NORTH BAY INTERIOR VALLEYS. 

A COLD AIRMASS WILL COMBINE WITH LIGHT WINDS SUNDAY MORNING TO DROP 
TEMPERATURES OVER MUCH OF THE SALINAS AND NORTH BAY VALLEYS INTO THE 
30S. THE GREATEST RISK FOR TEMPERATURES TO DROP TO NEAR FREEZING 
WILL 
BE IN ANY SHELTERED LOCATIONS ESPECIALLY IN SOUTHERN SALINAS VALLEY 
AND SOUTHERN NAPA COUNTY NEAR THE NAPA COUNTY AIRPORT.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED. ACTION SHOULD BE TAKEN TO
PROTECT PLANTS AND ANIMALS SENSITIVE TO COLD TEMPERATURES.

$$

CAZ507-511-111800-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
330 AM PDT SAT OCT 11 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR 
THE NORTH BAY MOUNTAINS PLUS THE EAST BAY HILLS INCLUDING THE DIABLO 
RANGE...

WINDY CONDITIONS ARE EXPECTED TO CONTINUE OVER THE NORTH AND EAST 
BAY HILLS THROUGH THIS MORNING. WEATHER STATIONS AT LOS VAQUEROS AND 
MOUNT DIABLO HAVE BOTH REPORTED GUSTS TO OVER 50 MPH AND THIS SHOULD 
CONTINUE FOR THE NEXT SEVERAL HOURS. WINDS WILL START TO DIMINISH 
THIS AFTERNOON AND ARE EXPECTED TO DROP BELOW ADVISORY CRITERIA.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

LOCALLY STRONG AND GUSTY WINDS ARE FORECAST TO CONTINUE AT TIMES
IN THE HILLS OF THE NORTH AND EAST BAY THROUGH SUNDAY MORNING.

$$

BELL
000 
WWUS76 KMTR 111105 AAA
NPWMTR

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
405 AM PDT SAT OCT 11 2008


CAZ506-516-528-111915-
/O.CON.KMTR.FR.Y.0005.081012T1000Z-081012T1500Z/
NORTH BAY INTERIOR VALLEYS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
405 AM PDT SAT OCT 11 2008

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A 
FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY FOR 
THE SALINAS VALLEY AND NORTH BAY INTERIOR VALLEYS. 

A COLD AIRMASS WILL COMBINE WITH LIGHT WINDS SUNDAY MORNING TO DROP 
TEMPERATURES OVER MUCH OF THE SALINAS AND NORTH BAY VALLEYS INTO THE 
30S. THE GREATEST RISK FOR TEMPERATURES TO DROP TO NEAR FREEZING 
WILL BE IN ANY SHELTERED LOCATIONS ESPECIALLY IN SOUTHERN SALINAS
VALLEY AND SOUTHERN NAPA COUNTY NEAR THE NAPA COUNTY AIRPORT.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED. ACTION SHOULD BE TAKEN TO
PROTECT PLANTS AND ANIMALS SENSITIVE TO COLD TEMPERATURES.

$$

CAZ507-511-111800-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
405 AM PDT SAT OCT 11 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR 
THE NORTH BAY MOUNTAINS PLUS THE EAST BAY HILLS INCLUDING THE DIABLO 
RANGE...

WINDY CONDITIONS ARE EXPECTED TO CONTINUE OVER THE NORTH AND EAST 
BAY HILLS THROUGH THIS MORNING. WEATHER STATIONS AT LOS VAQUEROS AND 
MOUNT DIABLO HAVE BOTH REPORTED GUSTS TO OVER 50 MPH AND THIS SHOULD 
CONTINUE FOR THE NEXT SEVERAL HOURS. WINDS WILL START TO DIMINISH 
THIS AFTERNOON AND ARE EXPECTED TO DROP BELOW ADVISORY CRITERIA.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

LOCALLY STRONG AND GUSTY WINDS ARE FORECAST TO CONTINUE AT TIMES
IN THE HILLS OF THE NORTH AND EAST BAY THROUGH SUNDAY MORNING.

$$

BELL
000 
WWUS76 KMTR 111131 RRB
NPWMTR

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
405 AM PDT SAT OCT 11 2008


CAZ506-516-528-111915-
/O.CON.KMTR.FR.Y.0005.081012T1000Z-081012T1500Z/
NORTH BAY INTERIOR VALLEYS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
405 AM PDT SAT OCT 11 2008

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A 
FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY FOR 
THE SALINAS VALLEY AND NORTH BAY INTERIOR VALLEYS. 

A COLD AIRMASS WILL COMBINE WITH LIGHT WINDS SUNDAY MORNING TO DROP 
TEMPERATURES OVER MUCH OF THE SALINAS AND NORTH BAY VALLEYS INTO THE 
30S. THE GREATEST RISK FOR TEMPERATURES TO DROP TO NEAR FREEZING 
WILL BE IN ANY SHELTERED LOCATIONS ESPECIALLY IN SOUTHERN SALINAS
VALLEY AND SOUTHERN NAPA COUNTY NEAR THE NAPA COUNTY AIRPORT.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED. ACTION SHOULD BE TAKEN TO
PROTECT PLANTS AND ANIMALS SENSITIVE TO COLD TEMPERATURES.

$$

CAZ507-511-111800-
/O.CON.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
405 AM PDT SAT OCT 11 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR 
THE NORTH BAY MOUNTAINS PLUS THE EAST BAY HILLS INCLUDING THE DIABLO 
RANGE...

WINDY CONDITIONS ARE EXPECTED TO CONTINUE OVER THE NORTH AND EAST 
BAY HILLS THROUGH THIS MORNING. WEATHER STATIONS AT LOS VAQUEROS AND 
MOUNT DIABLO HAVE BOTH REPORTED GUSTS TO OVER 50 MPH AND THIS SHOULD 
CONTINUE FOR THE NEXT SEVERAL HOURS. WINDS WILL START TO DIMINISH 
THIS AFTERNOON AND ARE EXPECTED TO DROP BELOW ADVISORY CRITERIA.

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND OR GUSTS OF
45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

LOCALLY STRONG AND GUSTY WINDS ARE FORECAST TO CONTINUE AT TIMES
IN THE HILLS OF THE NORTH AND EAST BAY THROUGH SUNDAY MORNING.

$$

BELL
000 
WWUS76 KMTR 111609
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
909 AM PDT SAT OCT 11 2008


CAZ507-511-111715-
/O.CAN.KMTR.WI.Y.0020.000000T0000Z-081011T1800Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
909 AM PDT SAT OCT 11 2008

...WIND ADVISORY IS CANCELLED...

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

THE STRONG PRESSURE GRADIENTS THAT WERE GENERATING NORTH WIND
GUSTS OF OVER 50 MPH IN THE NORTH AND EAST BAY HILLS HAVE WEAKENED
THIS MORNING. THUS THE WIND ADVISORY FOR THE NORTH AND EAST BAY HILLS
IS CANCELED. WINDS SHOULD CONTINUE TO WEAKEN DURING THE DAY AS
HIGH PRESSURE BUILDS IN OVER THE AREA.

$$

CAZ506-516-528-120015-
/O.CON.KMTR.FR.Y.0005.081012T1000Z-081012T1500Z/
NORTH BAY INTERIOR VALLEYS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
909 AM PDT SAT OCT 11 2008

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM PDT
SUNDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM PDT SUNDAY. 

A COLD AIRMASS WILL COMBINE WITH LIGHT WINDS SUNDAY MORNING TO
DROP TEMPERATURES OVER MUCH OF THE SALINAS AND NORTH BAY VALLEYS
INTO THE 30S. THE GREATEST RISK FOR TEMPERATURES TO DROP TO NEAR
FREEZING WILL BE IN ANY SHELTERED LOCATIONS ESPECIALLY IN
SOUTHERN SALINAS VALLEY AND SOUTHERN NAPA COUNTY NEAR THE NAPA
COUNTY AIRPORT.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED. ACTION SHOULD BE TAKEN TO
PROTECT PLANTS AND ANIMALS SENSITIVE TO COLD TEMPERATURES.

$$

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 Oct 8, 11:20 AM PDT, 3 hours 2 minutes earlier.

Area forecast discussion, Oct 8, 11:20 AM PDT, 3 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA CA
1120 AM PDT WED OCT 8 2008

.DISCUSSION...AS OF 9:00 AM PDT WEDNESDAY...A MODERATE NORTH TO
SOUTH PRESSURE GRADIENT HAS WIPED THE COAST CLEAN OF A MARINE LAYER
LEAVING ONLY PATCHES OF FOG AROUND THE AREA THIS MORNING. ALOFT A
FLAT RIDGE RESIDES OVER CALIFORNIA AS A LOW PRESSURE TROUGH IS
DEVELOPING ALONG THE CANADIAN COAST. THIS TROUGH WILL DEEPEN AS IT
MOVES SOUTH-SOUTHEAST BRINGING MUCH COOLER AIR AND WINDY CONDITIONS
TO THE SAN FRANCISCO AND MONTEREY BAY AREAS. THE SYSTEM IS TAKING AN
INLAND TRACK SO NO RAIN IS EXPECTED.

A TIGHT NORTH TO SOUTH PRESSURE GRADIENT DEVELOPS WITH THIS TROUGH
WHICH WILL RESULT IN STRONG AND GUSTY WINDS PICKING UP IN THE
NORTH AND EAST BAYS THURSDAY AFTERNOON. THE WINDS WILL CONTINUE
TO INCREASE AND SPREAD SOUTHWARD INTO THE MONTEREY BAY AREA BY
FRIDAY. THE STRONG AND GUSTY WINDS WILL REMAIN OVER THE AREA INTO
SATURDAY. A WIND ADVISORY MAY BE NEEDED FOR THE HIGHER TERRAIN.

AS THE TROUGH DEEPENS OVER NEVADA ON FRIDAY INTO SATURDAY A MUCH
COOLER AIRMASS WILL SPREAD OVER THE REGION CAUSING COOLER
CONDITIONS. THE NORTHERN VALLEYS WILL FEEL THE GREATEST AFFECT WITH
OVERNIGHT TEMPERATURES FALLING INTO THE 30S SATURDAY NIGHT. HOW
LOW TEMPERATURES GO WILL HIGHLY DEPEND ON THE STRENGTH OF THE
WINDS. THE WINDS ARE EXPECTED TO DECREASE BY SATURDAY NIGHT AS THE
SYSTEM EJECTS TO THE NORTHEAST. THE SURFACE GRADIENT SHOULD RELAX
ALONG WITH THE WINDS...ESPECIALLY IN SHELTERED VALLEY AREAS.

ON SUNDAY SURFACE HIGH PRESSURE BEGINS TO BUILD OVER THE GREAT
BASIN INDUCING AN OFFSHORE FLOW. WITH THE COOL AIRMASS IN PLACE
THE VALLEYS WILL ONCE AGAIN DIP INTO THE 30S OVERNIGHT. THE OFFSHORE
FLOW WILL CONTINUE INTO THE MIDDLE OF NEXT WEEK AND WITH A WARMER
AIRMASS MOVING IN TEMPERATURES WILL RETURN TO MORE CLIMATOLOGICAL
LEVELS.

&&

.AVIATION...AS OF 10:00 AM PDT WEDNESDAY...VFR IS REPORTED AT AREA
TERMINALS. VFR IS FORECAST TO CONTINUE THROUGH THE 18Z TAF CYCLE AS
THE AIRMASS REMAINS DRY DUE TO A DRYING NORTHERLY WIND FLOW.

&&

.FIRE WEATHER...AS OF 11:20 AM PDT WEDNESDAY...FIRE WEATHER WATCH
ISSUED FOR THE ENTIRE REGION 6 PM THURSDAY THROUGH 6 PM SATURDAY.
SEE THE SFORFWMTR FOR MORE DETAILS. VERY STRONG WINDS WILL TRUMP ANY
COOLING FROM THE DRY COLD FRONT AND HIGHER HUMIDITIES TO CREATE A
CRITICAL FIRE WEATHER EVENT.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
       .TDA...GLW...PT ARENA TO PIGEON PT 20-60NM.
              GLW...PT ARENA TO PT REYES 0-20NM.
              SCA...PT REYES TO PIGEON PT 0-20NM.
              SCA...PIGEON PT TO PT PIEDRAS BLANCAS 0-60NM.
              SCA...SFO BAY IN THE AFTERNOON.

       .THURSDAY THROUGH SATURDAY...FIRE WEATHER WATCH ALL ZONES

PUBLIC FORECAST: EVANS
AVIATION/MARINE: CANEPA
FIRE WEATHER: RWW

NWS ON THE WEB AT WEATHER.GOV/SANFRANCISCO
Hazardous weather outlook, Oct 8, 2:22 PM PDT, 0 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
222 PM PDT WED OCT 8 2008

CAZ006-505>513-516>518-528>530-092130-
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-
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-
222 PM PDT WED OCT 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SAN FRANCISCO BAY AREA AND
MONTEREY BAY AREA.

.DAY ONE...WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT

CLEAR SKIES ACROSS MUCH OF OUR AREA CAN BE EXPECTED THROUGH TONIGHT.
WINDS WILL START TO INCREASE ALONG THE COAST ESPECIALLY NORTH OF
SAN FRANCISCO BY THIS EVENING AS THE PRESSURE GRADIENT RAPIDLY
TIGHTENS. A WIND ADVISORY HAS BEEN ISSUED FOR COASTAL MARIN AND
SONOMA COUNTIES. WINDS IN THAT AREA ARE EXPECTED TO BE 20 TO 35
MPH OUT OF THE NORTH TO NORTHWEST WITH LOCAL GUSTS AS HIGH AS 50
MPH. PLEASE SEE WEATHER MESSAGE SFONPWMTR (WMO HEADER WWUS76
KMTR) FOR FURTHER INFORMATION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

STRONG WINDS ARE EXPECTED TO CONTINUE ALONG THE COAST NORTH OF SAN
FRANCISCO THROUGH THURSDAY AFTERNOON. IN ADDITION...A MAJOR CHANGE
IN THE WEATHER IS EXPECTED FOR OUR ENTIRE AREA STARTING THURSDAY
AFTERNOON AS A STRONG STORM SYSTEM DIVES DOWN FROM CANADA. GUSTY
NORTHERLY WINDS ALONG WITH COLDER TEMPERATURES CAN BE EXPECTED.
WIND ADVISORIES WILL LIKELY BE ISSUED FOR THIS EVENT. THE STRONGER
WINDS WILL ALSO INCREASE THE FIRE DANGER WHICH HAS FACILITATED A
FIRE WEATHER WATCH TO BE ISSUED. PLEASE SEE SFORFWMTR (WMO HEADER
WWUS86 KMTR) FOR FURTHER INFORMATION. IN ADDITION...PATCHY FROST
IS POSSIBLE OVER NAPA AND SONOMA COUNTIES SUNDAY MORNING AS
SHELTERED AREAS MAY DROP INTO THE LOWER 30S.PLEASE SEE SPECIAL
WEATHER STATEMENT SFOSPSMTR (WMO HEADER WWUS86 KMTR) FOR FURTHER
INFORMATION. WARMER CONDITIONS WITH LESS WIND ARE FORECAST FOR
THE FIRST HALF OF NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

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

BELL

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 10:57 AM PDTFire Weather WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more18 hr
Oct 8, 1:56 PM PDTMarine Weather StatementMTR3 days
Oct 8, 2:59 PM PDTSmall Craft Advisory for Rough BarMTR62 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.