Alert archive / California / Wind Advisories in 2010

Wind Advisory 2, NWS San Francisco Bay Area, CA

January 18, 201010 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Jan 18, 2010, 2:50 PM PST for 10 counties in California. It took effect at Jan 19, 2010, 5:00 AM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2010, 2:50 PM PST (22:50 UTC)
In effect from
Jan 19, 2010, 5:00 AM PST
Expired
Jan 19, 2010, 12:51 PM PST
In force
8 hr
Issued by
NWS San Francisco Bay Area, CA

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

The radar

The San Francisco radar (KMUX), 35 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 34 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2010-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2010-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
777 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
132 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.

726 
WWUS76 KMTR 182250
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
250 PM PST MON JAN 18 2010

...STRONG SOUTHERLY WINDS EXPECTED ONCE AGAIN FOR THE 
SAN FRANCISCO AND MONTEREY BAY AREAS ON TUESDAY...

.THE NEXT IN A SERIES OF POWERFUL PACIFIC STORM IS EXPECTED TO 
MOVE ONTO THE NORTHERN AND CENTRAL COAST TUESDAY. SOUTHERLY WINDS
WILL INCREASE AHEAD OF THE SYSTEM THEN PEAK AROUND MIDDAY. WINDS
WILL BEGIN TO SUBSIDE BY LATE IN THE AFTERNOON. THE STRONGEST
WINDS ARE EXPECTED NEAR THE COAST.

CAZ509-529-530-190700-
/O.CAN.KMTR.HW.W.0001.000000T0000Z-100119T0000Z/
/O.NEW.KMTR.WI.Y.0002.100119T1700Z-100120T0000Z/
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
250 PM PST MON JAN 18 2010

...WIND ADVISORY IN EFFECT FROM 9 AM TO 4 PM PST TUESDAY...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 4 PM PST TUESDAY. THE
HIGH WIND WARNING FOR TODAY HAS BEEN CANCELLED. 

* TIMING: SOUTHEAST WINDS ARE EXPECTED TO INCREASE TUESDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED IN THE MORNING AND
  EARLY AFTERNOON.

* WINDS: SOUTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED WITH GUSTS 
  AS HIGH AS 50 MPH. 

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED
  TREES AND POWER LINES MAY RESULT IN POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ006-505-507-511-190700-
/O.CAN.KMTR.WI.Y.0001.000000T0000Z-100119T0000Z/
/O.NEW.KMTR.WI.Y.0002.100119T1700Z-100120T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
250 PM PST MON JAN 18 2010

...WIND ADVISORY IN EFFECT FROM 9 AM TO 4 PM PST TUESDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 4 PM PST TUESDAY. THE
WIND ADVISORY FOR TODAY HAS BEEN CANCELLED. 

* TIMING: SOUTHEAST WINDS ARE EXPECTED TO INCREASE TUESDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED IN THE MORNING AND
  EARLY AFTERNOON.

* WINDS: SOUTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED WITH GUSTS 
  AS HIGH AS 50 MPH. 

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED
  TREES AND POWER LINES MAY RESULT IN POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ508-512-513-516>518-528-190000-
/O.CAN.KMTR.WI.Y.0001.000000T0000Z-100119T0000Z/
SAN FRANCISCO BAY SHORELINE-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-
250 PM PST MON JAN 18 2010

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE FALLEN BELOW ADVISORY CRITERIA AND ARE EXPECTED TO
CONTINUE TO DIMINISH THIS EVENING AND TONIGHT. HOWEVER OCCASIONAL
GUSTS ARE STILL POSSIBLE THEREFORE USE CAUTION WHEN DRIVING AS
ROADS REMAIN WET.

$$

CW
4 follow-up statements
926 
WWUS76 KMTR 190413
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
813 PM PST MON JAN 18 2010

...STRONG SOUTHERLY WINDS EXPECTED ONCE AGAIN FOR THE SAN
FRANCISCO AND MONTEREY BAY AREAS ON TUESDAY...

.THE NEXT IN A SERIES OF POWERFUL PACIFIC STORM IS EXPECTED TO
MOVE ONTO THE NORTHERN AND CENTRAL COAST TUESDAY. SOUTHERLY WINDS
WILL INCREASE AHEAD OF THE SYSTEM THEN PEAK AROUND MIDDAY. WINDS
WILL BEGIN TO SUBSIDE BY LATE IN THE AFTERNOON. THE STRONGEST
WINDS ARE EXPECTED NEAR THE COAST.

CAZ006-505-507-509-511-529-530-191400-
/O.EXT.KMTR.WI.Y.0002.100119T1300Z-100120T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST-
EAST BAY HILLS AND DIABLO RANGE-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
813 PM PST MON JAN 18 2010

...WIND ADVISORY NOW IN EFFECT FROM 5 AM TO 4 PM PST TUESDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM 5 AM TO 4 PM PST TUESDAY.

* TIMING: SOUTHEAST WINDS ARE EXPECTED TO INCREASE EARLY TUESDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED IN THE MORNING AND
  EARLY AFTERNOON.

* WINDS: SOUTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED WITH GUSTS 
  AS HIGH AS 50 MPH. 

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED 
  TREES AND POWER LINES MAY RESULT IN POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LARRY
161 
WWUS76 KMTR 190718
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1118 PM PST MON JAN 18 2010

...STRONG SOUTHERLY WINDS EXPECTED ONCE AGAIN FOR THE SAN
FRANCISCO AND MONTEREY BAY AREAS ON TUESDAY WITH STRONGER WINDS
POSSIBLE ON WEDNESDAY...

.THE NEXT IN A SERIES OF POWERFUL PACIFIC STORMS IS EXPECTED TO
MOVE ONTO THE NORTHERN AND CENTRAL COAST TUESDAY. SOUTHEAST WINDS
WILL INCREASE AHEAD OF THE SYSTEM THEN PEAK AROUND MIDDAY. WINDS
WILL BEGIN TO SUBSIDE BY LATE IN THE AFTERNOON. AN EVEN STRONGER
STORM IS SCHEDULED TO MOVE ONTO THE NORTHERN AND CENTRAL COAST BY
EARLY WEDNESDAY MORNING. SOUTHEAST WINDS WILL RAMP UP ONCE AGAIN
EARLY WEDNESDAY MORNING THEN PEAK AROUND MIDDAY. WINDS ARE
EXPECTED TO SUBSIDE BY LATE WEDNESDAY AFTERNOON.

CAZ508-512-516-517-528-191800-
/O.NEW.KMTR.HW.A.0002.100120T1200Z-100121T0000Z/
/O.EXA.KMTR.WI.Y.0002.100119T1300Z-100120T0000Z/
SAN FRANCISCO BAY SHORELINE-SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
1118 PM PST MON JAN 18 2010

...WIND ADVISORY IN EFFECT FROM 5 AM TO 4 PM PST TUESDAY...
...HIGH WIND WATCH IN EFFECT FROM EARLY WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 5 AM TO 4 PM PST TUESDAY.
A HIGH WIND WATCH HAS ALSO BEEN ISSUED. THIS HIGH WIND WATCH IS IN
EFFECT FROM EARLY WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON.

* TIMING: SOUTHEAST WINDS ARE EXPECTED TO INCREASE EARLY TUESDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED IN THE MORNING AND
  EARLY AFTERNOON. SOUTHEAST WINDS WILL ONCE AGAIN INCREASE EARLY
  WEDNESDAY MORNING WITH THE STRONGEST WINDS EXPECTED IN THE
  MORNING AND EARLY AFTERNOON.

* WINDS: ON TUESDAY SOUTHEAST WINDS OF 20 TO 35 MPH ARE EXPECTED
  WITH GUSTS AS HIGH AS 50 MPH. ON WEDNESDAY SOUTHEAST WINDS OF 25
  TO 40 MPH WITH GUSTS AS HIGH AS 60 MPH ARE POSSIBLE.

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED 
  TREES AND POWER LINES MAY RESULT IN POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ006-505-507-509-511-529-530-191800-
/O.NEW.KMTR.HW.A.0002.100120T1200Z-100121T0000Z/
/O.CON.KMTR.WI.Y.0002.100119T1300Z-100120T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST-
EAST BAY HILLS AND DIABLO RANGE-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1118 PM PST MON JAN 18 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 4 PM PST
TUESDAY...
...HIGH WIND WATCH IN EFFECT FROM EARLY WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO BAY AREA HAS ISSUED
A HIGH WIND WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY AFTERNOON. A WIND ADVISORY REMAINS IN EFFECT
FROM 5 AM TO 4 PM PST TUESDAY.

* TIMING: SOUTHEAST WINDS ARE EXPECTED TO INCREASE EARLY TUESDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED IN THE MORNING AND
  EARLY AFTERNOON. SOUTHEAST WINDS WILL ONCE AGAIN INCREASE EARLY
  WEDNESDAY MORNING WITH THE STRONGEST WINDS EXPECTED IN THE
  MORNING AND EARLY AFTERNOON.

* WINDS: ON TUESDAY SOUTHEAST WINDS OF 20 TO 35 MPH ARE EXPECTED
  WITH GUSTS AS HIGH AS 50 MPH. ON WEDNESDAY SOUTHEAST WINDS OF 25
  TO 40 MPH WITH GUSTS AS HIGH AS 60 MPH ARE POSSIBLE.

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED 
  TREES AND POWER LINES MAY RESULT IN POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

STROBIN
200 
WWUS76 KMTR 191745
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
945 AM PST TUE JAN 19 2010

...STRONG SOUTHERLY WINDS WILL CONTINUE TODAY WITH STRONGER WINDS
POSSIBLE ON WEDNESDAY...

.STRONG SOUTHEASTERLY WINDS WILL SWITCH MORE TO THE SOUTHWEST AND
BEGIN TO SUBSIDE BY LATE IN THE AFTERNOON. AN EVEN STRONGER STORM
IS SCHEDULED TO MOVE ONTO THE NORTHERN AND CENTRAL COAST BY EARLY
WEDNESDAY MORNING. SOUTHEAST WINDS WILL RAMP UP ONCE AGAIN EARLY
WEDNESDAY MORNING THEN PEAK AROUND MIDDAY. WINDS ARE EXPECTED TO
SUBSIDE BY LATE WEDNESDAY AFTERNOON.

CAZ006-505-507>509-511-512-516-517-528>530-200145-
/O.CON.KMTR.WI.Y.0002.000000T0000Z-100120T0000Z/
/O.CON.KMTR.HW.A.0002.100120T1200Z-100121T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
945 AM PST TUE JAN 19 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON.
A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON. 

* TIMING: STRONG SOUTH TO SOUTHEASTERLY WINDS WILL CONTINUE INTO
  THE AFTERNOON TODAY. SOUTHEAST WINDS WILL ONCE AGAIN INCREASE
  EARLY WEDNESDAY MORNING WITH THE STRONGEST WINDS EXPECTED IN THE
  MORNING AND EARLY AFTERNOON.

* WINDS: SOUTHEAST WINDS OF 20 TO 35 MPH WILL CONTINUE TODAY WITH
  LOCAL GUSTS AS HIGH AS 50 MPH. ON WEDNESDAY SOUTHEAST WINDS OF
  25 TO 40 MPH WITH GUSTS AS HIGH AS 60 MPH ARE POSSIBLE.

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED 
  TREES AND POWER LINES MAY RESULT IN POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
501 
WWUS76 KMTR 192051
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1251 PM PST TUE JAN 19 2010

...STRONG SOUTHERLY WINDS EXPECTED ON WEDNESDAY...

.THE NEXT IN A SERIES OF POWERFUL PACIFIC STORMS WILL APPROACH THE
CALIFORNIA COAST LATE TONIGHT. SOUTHERLY WINDS WILL INCREASE AHEAD
OF THE STORM LATE TONIGHT...AND BE STRONG AND GUSTY BY SUNRISE
WEDNESDAY MORNING. WIND SPEEDS ARE EXPECTED TO PEAK AROUND MID
MORNING. PEAK WIND GUSTS OF 60 TO 70 MPH ARE POSSIBLE NEAR THE
COAST AND LOCALLY IN THE HILLS ON WEDNESDAY MORNING. WINDS THIS
STRONG CAN CAUSE PROPERTY DAMAGE. WINDS WILL DECREASE AFTER
FRONTAL PASSAGE...WHICH IS EXPECTED TO OCCUR LATE ON WEDNESDAY
MORNING.

CAZ505-508-509-512-530-200500-
/O.CAN.KMTR.WI.Y.0002.000000T0000Z-100120T0000Z/
/O.UPG.KMTR.HW.A.0002.100120T1200Z-100121T0000Z/
/O.NEW.KMTR.HW.W.0002.100120T1200Z-100120T2000Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
SANTA CRUZ MOUNTAINS-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1251 PM PST TUE JAN 19 2010

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

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT FROM 4 AM TO NOON PST WEDNESDAY.
THE HIGH WIND WARNING COVERS COASTAL SECTIONS OF SONOMA AND MARIN
COUNTIES...COASTAL SECTIONS OF SAN MATEO COUNTY...THE SAN
FRANCISCO BAY SHORELINE...THE BIG SUR COAST...AND THE SANTA CRUZ
MOUNTAINS.


* TIMING: STRONG SOUTH TO SOUTHEAST WINDS WILL DEVELOP LATE
  TUESDAY NIGHT AND CONTINUE THROUGH MIDDAY WEDNESDAY. STRONGEST
  WINDS ARE EXPECTED AROUND MID MORNING ON WEDNESDAY.

* WINDS: SOUTHEAST WINDS OF 20 TO 40 MPH ARE EXPECTED WEDNESDAY
  MORNING WITH GUSTS AS HIGH AS 60 MPH. 

* IMPACTS: WINDS THIS STRONG CAN LEAD TO PROPERTY DAMAGE. DOWNED
  TREES AND POWER LINES WILL RESULT IN POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ006-507-511-516-517-528-529-200500-
/O.CAN.KMTR.WI.Y.0002.000000T0000Z-100120T0000Z/
/O.UPG.KMTR.HW.A.0002.100120T1200Z-100121T0000Z/
/O.NEW.KMTR.WI.Y.0003.100120T1200Z-100120T2000Z/
SAN FRANCISCO-NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-
1251 PM PST TUE JAN 19 2010

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

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO NOON PST WEDNESDAY.
THE WIND ADVISORY INCLUDES MUCH OF THE SAN FRANCISCO BAY AREA
INCLUDING THE CITIES OF SAN FRANCISCO AND OAKLAND. THE WIND ADVISORY
ALSO INCLUDES MUCH OF THE MONTEREY BAY AREA AND SALINAS VALLEY.

* TIMING: STRONG SOUTH TO SOUTHEAST WINDS WILL DEVELOP LATE
  TUESDAY NIGHT AND CONTINUE THROUGH MIDDAY WEDNESDAY. STRONGEST
  WINDS ARE EXPECTED AROUND MID MORNING WEDNESDAY.

* WINDS: SOUTHEAST WINDS OF 20 TO 35 MPH ARE EXPECTED WEDNESDAY
  MORNING WITH GUSTS AS HIGH AS 50 MPH. 

* IMPACTS: WINDS THIS STRONG CAN RESULT IN DOWNED TREES AND POWER
  LINES WHICH WILL RESULT IN POWER OUTAGES. DRIVING WILL BE
  DIFFICULT...ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES.

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.

&&

$$

CAZ513-518-200500-
/O.NEW.KMTR.WI.Y.0003.100120T1200Z-100120T2000Z/
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT-
1251 PM PST TUE JAN 19 2010

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

THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO NOON PST WEDNESDAY.
THE WIND ADVISORY INCLUDES THE SANTA CLARA VALLEY AND THE CITY OF
SAN JOSE.

* TIMING: STRONG SOUTH TO SOUTHEAST WINDS WILL DEVELOP LATE
  TUESDAY NIGHT AND CONTINUE THROUGH MIDDAY WEDNESDAY. STRONGEST
  WINDS ARE EXPECTED AROUND MID MORNING WEDNESDAY.

* WINDS: SOUTHEAST WINDS OF 20 TO 30 MPH ARE EXPECTED WEDNESDAY
  MORNING WITH GUSTS AS HIGH AS 50 MPH.

* IMPACTS: WINDS THIS STRONG CAN RESULT IN DOWNED TREES AND POWER
  LINES WHICH WILL RESULT IN POWER OUTAGES. DRIVING WILL BE
  DIFFICULT...ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DYKEMA

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 Jan 18, 2:15 PM PST, 35 minutes earlier.

Area forecast discussion, Jan 18, 2:15 PM PST, 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA CA
215 PM PST TUE JAN 18 2010

.DISCUSSION...AS OF 2:15 PM PST MONDAY...SCATTERED SHOWERS TONIGHT.
MORE STORMS FOR THE NEXT SEVERAL DAYS.

ACTIVE DAY TODAY ACROSS THE CWA AS A STORM SYSTEM WENT ACROSS OUR
AREA AND BROUGHT WIDESPREAD RAIN...GUSTY WINDS...AND SMALL HAIL.
PRELIMINARY RAINFALL TOTALS SHOW IN THE PAST 24 HOURS THE NORTH
BAY HAS PICKED UP BETWEEN 1 AND 2 INCHES...SAN FRANCISCO AND SANTA
CRUZ HAVE PICKED UP AROUND AN INCH...WHILE THE SANTA CLARA AND
SALINAS VALLEYS HAVE PICKED UP CLOSER TO HALF AN INCH. CHP PAGE HAS
BEEN LIT UP MOST OF THE DAY WITH NUMEROUS REPORTS OF MINOR
FLOODING AND SMALL DEBRIS FLOWS. TONIGHT IS SHAPING UP TO BE VERY
INTERESTING AS FAVORABLE ATMOSPHERIC PARAMETERS REMAIN IN PLACE
(INCLUDING CAPE OF NEARLY 1000 J/KG) AS A SMALL VORTMAX MOVES
ACROSS OUR AREA. BEST CHANCE FOR PICKING UP RAIN FOR TONIGHT WILL BE
IN THE EVENING HOURS.

NEXT PACIFIC STORM IS STILL ON TAP FOR TUESDAY AND WILL ENTER THE
CWA CLOSE TO THE MORNING COMMUTE. SIMILAR TO TODAY'S EVENT...
POSSIBILITY OF BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS FOR
MUCH OF TUESDAY. CNRFC NUMBERS SHOW QPF VALUES A BIT LESS THAN WHAT
WE SAW TODAY. SO...GENERALLY 1/3 TO 2/3" IN URBAN SPOTS WITH UP TO
2" OVER HIGHER TERRAIN.

AFTER ANOTHER BREAK TUESDAY NIGHT...ANOTHER STORM WILL IMPACT OUR
CWA ON WEDNESDAY. THIS ONE SHOULD SPREAD THE MOST RAIN OF THE
ENTIRE SET. VERY WINDY CONDITIONS AND HEAVY RAIN ARE ALSO EXPECTED.
OF NOTE IS THE 500MB HEIGHTS OFF THE CALIFORNIA COAST ARE FORECAST TO
HAVE A -5.5 STANDARD DEVIATION VALUE INDICATING JUST HOW LOW HEIGHTS
WILL BE. NAM EVEN HAS A 966MB LOW AT 40N/128W WEDNESDAY AFTERNOON.
RAINFALL AMOUNTS ARE FORECAST TO BE .75-1.5" FOR URBAN SPOTS WITH UP
TO 4" POSSIBLE AT HIGHER TERRAIN LOCATIONS.

ONCE AGAIN...ANOTHER BRIEF BREAK CAN BE EXPECTED FOLLOWED BY AN
ADDITIONAL STORM ON THURSDAY. ALTHOUGH RAINFALL TOTALS APPEAR TO BE
LESS THAN WEDNESDAY WHAT IS DEFINITELY WORTH NOTING IS THE MODELS
BRING A 975 MB LOW OVER SF BAY DURING THE AFTERNOON. THIS TYPE OF
SETUP WILL LIKELY LEAD TO VERY STRONG WINDS ACROSS MUCH OF THE CWA
WITH HIGH WIND WARNINGS CERTAINLY NOT OUT OF THE QUESTION.

LOOK FOR MUCH LESS RAIN OVER THE WEEKEND WITH JUST A FEW SHOWERS AS A
WEAK RIDGE BUILDS ACROSS THE STATE. LOOK FOR ANOTHER STORM BY
NEXT MONDAY.
&&

.AVIATION...AS OF 11:13 AM MONDAY...LINE OF MOD-HVY SHOWERS IS
MOVING THROUGH THE SF AND MRY BAY AREAS THIS MORNING WITH A FEW
EMBEDDED THUNDERSTORMS. SOUTH/SOUTHEAST WINDS ARE VERY STRONG WITH
GUSTS 30-35 KNOTS OUT AHEAD OF AN APPROACHING COLD FRONT. THERE
HAVE BEEN MANY REPORTS OF VERY STRONG GUSTS AT THE SURFACE AND
TURBULENCE ALOFT IN THE AREA DUE TO THE STRONG NATURE OF THE THE AIR
MASS ASSOCIATED WITH THE FRONT. BEHIND THE BOUNDARY IS MODERATELY
UNSTABLE...SO CAN EXPECT SOME THUNDERSTORMS ALONG AND OUT AHEAD OF
THE FRONT AND POSSIBLY ALSO BEHIND THE FRONT LATER THIS AFTERNOON.
ONCE THE FRONT MOVES THROUGH THIS AFTERNOON WINDS WILL SHIFT TO THE
SOUTHWEST AND CONDITIONS WILL DRY OUT AS THE NEXT SYSTEM GETS PRIMED
TO MOVE IN TOMORROW MORNING. EXPECT GENERALLY VFR CIGS...OCCASIONALLY
TO MVFR AND MVFR VSBYS...OCCASIONALLY TO IFR AS PERIODS OF HEAVY RAIN
DEGRADE THE CONDITIONS. THE VISIBLE SAT IMAGE SHOWS A GOOD AREA OF
CLEARING ON THE BACK SIDE OF THE FRONT...BUT STORMS HAVE ANOTHER
CHANCE OF FIRING UP AGAIN LATER THIS AFTERNOON. THE SITUATION WILL BE
MONITORED FOR CONVECTIVE DEVELOPMENT.

VICINITY OF KSFO...PERIODS OF HEAVY RAIN AND STRONG WINDS CAN BE
EXPECTED THROUGH THE REMAINDER OF THE MORNING AND INTO THE EARLY
AFTERNOON. A BRIEF SQUALL LINE MOVED OVER KSFO TERMINAL AT
APPROXIMATELY 1824Z AND CAUSED A SOUTH WIND GUST UP TO 51 KNOTS.
CIGS WILL SCATTER OUT BRIEFLY...BUT EXPECT POTENTIALLY RAPID
DEVELOPMENT WITH THIS UNSTABLE AIR MASS.

KSFO BRIDGE APPROACH...SIMILAR AS KSFO.

MRY BAY AREA TERMINALS...MVFR/VFR CIGS AND IFR/MVFR VSBYS EXPECTED
THIS MORNING AND AFTERNOON AS A COLD FRONT MOVES THROUGH THE AREA.
VERY STRONG WINDS ASSOCIATED WITH THE FRONT AND INDIVIDUAL
THUNDERSTORMS HAVE ALSO BEEN SEEN AND WILL BE EXPERIENCED THIS
AFTERNOON. LOOK FOR POTENTIAL CONVECTIVE DEVELOPMENT THIS AFTERNOON
WITH THUNDERSTORMS POSSIBLE. WINDS WILL EVENTUALLY DIMINISH BY 07-
08Z TONIGHT...THEN INCREASE ONCE AGAIN ANOTHER SYSTEM PREPARES TO
MOVE IN.

&&

.MARINE...AS OF 11:13 AM MONDAY...STRONG SOUTHERLY WINDS WILL
CONTINUE THROUGH THE DAY WITH GALE FORCE CONDITIONS LIKELY AND
OCCASIONAL STORM FORCE GUSTS ALONG THE COAST. HAVE INCLUDED SF BAY
WITH GALE FORCE CONDITIONS THROUGH THIS AFTERNOON. WINDS WILL
DECREASE SLIGHTLY TONIGHT...BUT RE-DEVELOP TOMORROW WITH MORE GALE
FORCE CONDITIONS EXPECTED. IN ADDITION TO THE STRONG WINDS...LARGE
SWELL ARE EXPECTED LATER IN THE WEEK IN EXCESS OF 20 TO 25 FEET.
LOCAL BEACHES COULD SEE SIGNIFICANT BEACH EROSION...RIP CURRENTS...
AND DANGEROUS CONDITIONS. A HIGH SURF ADVISORY HAS BEEN ISSUED FOR
THE NORTHERN AND CENTRAL CALIFORNIA COASTLINE. PLEASE SEE SFOCFWMTR
FOR MORE INFORMATION. ANY WAY YOU LOOK SLICE IT HAZARDOUS CONDITIONS
WILL EXIST OVER THE COASTAL WATERS AND AREA BEACHES FOR MUCH OF THE
WEEK.

TIDE INFORMATION FOR THE GOLDEN GATE...
TUESDAY MORNING 2:14 AM 5.2 FT
TUESDAY AFTERNOON 1:29 PM 4.9 FT

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .TNGT...SCA...ALL BAYS
            .HIGH SURF ADVISORY...ENTIRE COAST.

PUBLIC FORECAST: BELL
AVIATION/MARINE: BJT

NWS ON THE WEB AT WEATHER.GOV/SANFRANCISCO
Hazardous weather outlook, Jan 18, 2:50 PM PST, 0 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
250 PM PST MON JAN 18 2010

CAZ006-505-509-529-530-192300-
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
250 PM PST MON JAN 18 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL SECTIONS OF
SONOMA...SAN FRANCISCO AND MARIN COUNTIES AS WELL AS FOR SANTA
CRUZ AND MONTEREY COUNTIES.

.DAY ONE...MONDAY AFTERNOON AND MONDAY NIGHT

SHOWERS...ISOLATED THUNDERSTORMS...WIND AND LARGE SEAS EXPECTED
ALONG THE COAST THIS AFTERNOON AND TONIGHT. A HIGH SURF ADVISORY
IS IN EFFECT UNTIL 4 AM TUESDAY MORNING. LOCALIZED FLOODING WILL
BE POSSIBLE DURING PERIODS OF HEAVY RAIN.

*  HIGH SURF ADVISORY....SEE SFOCFWMTR WHUS46 KMTR FOR DETAILS *
*  HYDROLOGIC OUTLOOK....SEE SFOESFMTR FGUS76 KMTR FOR DETAILS *

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A SERIES OF POWERFUL WINTER STORMS WILL BRING PERIODS OF HEAVY
RAIN...STRONG WINDS...AND LARGE OCEAN WAVES TO THE REGION FROM
TUESDAY THROUGH THURSDAY. A WIND ADVISORY WILL GO INTO EFFECT AT
9 AM TUESDAY MORNING FOR WINDS OVER 35 MPH. PERIODS OF HEAVY RAIN
THIS WEEK MAY RESULT IN LOCAL FLOODING. VERY LARGE OCEAN SWELLS
ARE FORECAST TO IMPACT THE COAST THROUGH THURSDAY. A HIGH SURF
WARNING WILL GO INTO EFFECT AT 4 AM TUESDAY FOR SEAS IN EXCESS OF
20 FEET ALONG THE COAST.

*  WIND ADVISORY.....SEE SFONPWMTR WWUS76 KMTR FOR DETAILS *
*  HIGH SURF WARNING....SEE SFOCFWMTR WHUS46 KMTR FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

CAZ506-508-510-512-513-516>518-528-192300-
NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE-
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-
250 PM PST MON JAN 18 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SAN FRANCISCO BAY AREA AND
MONTEREY BAY AREA...EXCEPT THE NORTH AND EAST BAY HILLS AS WELL
AS THE NORTHERN AND CENTRAL COAST.

.DAY ONE...MONDAY AFTERNOON AND MONDAY NIGHT

SHOWERS...ISOLATED THUNDERSTORMS AND GUSTY WINDS ARE EXPECTED
ACROSS THE REGION THIS AFTERNOON AND TONIGHT. LOCALIZED FLOODING
WILL BE POSSIBLE DURING PERIODS OF HEAVY RAIN.

*  HYDROLOGIC OUTLOOK....SEE SFOESFMTR FGUS76 KMTR FOR DETAILS *

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A SERIES OF POWERFUL WINTER STORMS WILL BRING PERIODS OF HEAVY
RAIN AND STRONG WINDS TO THE REGION FROM TUESDAY THROUGH THURSDAY.
PERIODS OF HEAVY RAIN THIS WEEK MANY RESULT IN LOCAL FLOODING.
ADDITIONAL WIND ADVISORIES MAY BE NEEDED LATER THIS WEEK AS THE
STORMS MOVE ONSHORE. DOWNED TREE LIMBS AND POWER OUTAGES WILL BE
POSSIBLE THROUGH THURSDAY.

.SPOTTER INFORMATION STATEMENT...

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

CAZ507-511-192300-
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
250 PM PST MON JAN 18 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE HILLS OF THE NORTH AND
EAST BAY.

.DAY ONE...MONDAY AFTERNOON AND MONDAY NIGHT

SHOWERS...ISOLATED THUNDERSTORMS AND GUSTY WINDS ARE EXPECTED
OVER THE NORTH AND EAST BAY HILL THIS AFTERNOON AND TONIGHT.
LOCALIZED FLOODING WILL BE POSSIBLE DURING PERIODS OF HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A SERIES OF POWERFUL WINTER STORMS WILL BRING PERIODS OF HEAVY
RAIN AND STRONG WINDS TO THE REGION FROM TUESDAY THROUGH THURSDAY.
A WIND ADVISORY WILL GO INTO EFFECT AT 9 AM TUESDAY MORNING FOR
WINDS OVER 35 MPH. PERIODS OF HEAVY RAIN THIS WEEK MAY RESULT IN
LOCAL FLOODING.

*  WIND ADVISORY.....SEE SFONPWMTR WWUS76 KMTR FOR DETAILS *
*  HYDROLOGIC OUTLOOK....SEE SFOESFMTR FGUS76 KMTR FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

CW

In the hours before

Special weather statement, Jan 18, 10:24 AM PST, 4 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1024 AM PST MON JAN 18 2010

CAZ508>513-529-530-181915-
EAST BAY HILLS AND THE DIABLO RANGE CA-EAST BAY INTERIOR VALLEYS
CA-NORTHERN MONTEREY BAY CA-SAN FRANCISCO BAY SHORELINE CA-SAN
FRANCISCO PENINSULA COAST CA-SANTA CLARA VALLEY INCLUDING SAN JOSE
CA-SANTA CRUZ MOUNTAINS CA-SOUTHERN MONTEREY BAY AND BIG SUR COAST
CA-
1024 AM PST MON JAN 18 2010

...SIGNIFICANT WEATHER ADVISORY FOR MONTEREY...SANTA CRUZ...SAN
MATEO...SANTA CLARA AND ALAMEDA COUNTIES UNTIL 1115 AM PST...

AT 1020 AM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM BOULDER CREEK TO
FELTON TO 8 MILES SOUTH OF TWIN LAKES TO 7 MILES NORTHWEST OF DEL
MONTE FOREST...AND MOVING NORTHEAST AT 40 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THESE STORMS INCLUDE...SARATOGA...CUPERTINO...LOS
GATOS...LOS ALTOS...PALO ALTO...CAMPBELL...MOUNTAIN VIEW...
SUNNYVALE...SANTA CLARA...CORRALITOS...SAN JOSE...NEWARK...
MILPITAS...WATSONVILLE...FREMONT...MORGAN HILL...GILROY...
PLEASANTON...TWIN LAKES AND OPAL CLIFFS.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR
LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR
ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL
WEATHER SERVICE.

LAT...LON 3747 12210 3746 12204 3750 12207 3773 12187
      3746 12162 3730 12156 3697 12156 3678 12178
      3682 12178 3695 12188 3696 12191 3694 12206
      3698 12214 3724 12230
TIME...MOT...LOC 1824Z 219DEG 35KT 3718 12213 3704 12205
          3687 12199 3666 12203

CW
Local storm report, Jan 18, 11:24 AM PST, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1124 AM PST MON JAN 18 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1016 AM     NON-TSTM WND GST 1 SSW HALF MOON BAY     37.46N 122.44W
01/18/2010  M50.00 MPH       PZZ545             CA   TRAINED SPOTTER

1030 AM     HAIL             1 NW SAN FRANCISCO      37.78N 122.43W
01/18/2010  M0.25 INCH       SAN FRANCISCO      CA   TRAINED SPOTTER

1037 AM     NON-TSTM WND GST SSW MONTEREY            36.60N 121.88W
01/18/2010  M46.00 MPH       MONTEREY           CA   TRAINED SPOTTER

&&

ANDERSON
Special weather statement, Jan 18, 11:35 AM PST, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1135 AM PST MON JAN 18 2010

CAZ516>518-182015-
MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL MONUMENT CA-SANTA LUCIA MOUNTAINS AND LOS PADRES
NATIONAL FOREST CA-SOUTHERN SALINAS VALLEY/ARROYO SECO AND LAKE SAN
ANTONIO CA-
1135 AM PST MON JAN 18 2010

...SIGNIFICANT WEATHER ADVISORY FOR MONTEREY COUNTY UNTIL 1215 PM
PST...

AT 1133 AM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 19 MILES SOUTHEAST
OF COLMAN CANYON TO 27 MILES SOUTHEAST OF COLMAN CANYON TO 31 MILES
SOUTHEAST OF GORDA...AND MOVING EAST AT 25 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 55 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THESE STORMS INCLUDE...BRADLEY AND PARKFIELD.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR
LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR
ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL
WEATHER SERVICE.

LAT...LON 3599 12117 3623 12063 3619 12061 3615 12065
      3611 12062 3611 12058 3603 12051 3598 12042
      3597 12035 3592 12031 3591 12026 3588 12022
      3584 12023 3582 12019 3579 12019 3579 12112
TIME...MOT...LOC 1935Z 257DEG 23KT 3590 12103 3579 12097
          3569 12100

CW

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 6:39 PM PSTHigh Surf AdvisoryMTRMarin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma33 hr
Jan 17, 8:05 PM PSTHigh Wind WarningMTRMonterey, San Mateo, Santa Cruz19 hr
Jan 18, 2:46 AM PSTHigh Surf WarningMTRMarin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma3 days
Jan 18, 3:00 AM PSTGale WarningMTR32 hr
Jan 18, 9:40 AM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, City and County of San Francisco and 4 more3 hr
Jan 18, 9:54 AM PSTSpecial Marine WarningMTR21 min
Jan 18, 10:06 AM PSTSpecial Marine WarningMTR24 min
Jan 18, 10:24 AM PSTSpecial Marine WarningMTR30 min
Jan 18, 10:24 AM PSTSpecial Weather StatementMTRAlameda, Santa Clara, Santa Cruz51 min
Jan 18, 11:02 AM PSTSevere Thunderstorm WarningMTRSanta Clara, Santa Cruz43 min
Jan 18, 11:35 AM PSTSpecial Weather StatementMTR40 min
Jan 18, 2:31 PM PSTGale WarningMTR25 hr

Nearby

Wind Advisories in California, 2010Every wind advisory in 2010

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.