Alert archive / California / High Wind Warnings in 2005

High Wind Warning 2, NWS San Francisco Bay Area, CA

December 18, 2005City and County of San Francisco, California

NWS San Francisco Bay Area, CA issued this high wind warning at Dec 18, 2005, 8:38 AM PST for City and County of San Francisco, California. It was in force for 12 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 18, 2005, 8:38 AM PST (16:38 UTC)
Expired
Dec 30, 2005, 7:18 PM PST
In force
12 days
Issued by
NWS San Francisco Bay Area, CA

County City and County of San Francisco, CA

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 4.6 hours before the alert went out and 22 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 2005-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2005-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 451 square meters per square second.19395878Sfc1 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
605 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
451 m²/s²
0-3 km storm-relative helicity
589 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 181638
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
838 AM PST SUN DEC 18 2005

...HIGH WIND WARNING FOR SAN FRANCISCO COUNTY UNTIL 11 AM PST 
THIS MORNING...
...WIND ADVISORY FOR THE SAN FRANCISCO AND MONTEREY BAY AREAS
UNTIL 3 PM THIS AFTERNOON...

.A VIGOROUS STORM SYSTEM IS MOVING THROUGH THE SAN FRANCISCO AND
MONTEREY BAY AREAS AND PRODUCING STRONG WINDS AND LOCALLY HEAVY
RAIN. STRONG WINDS WILL CONTINUE BRIEFLY AFTER THE STORM
PASSES...THEN WILL START TO DECREASE.

CAZ006-181900-
/O.NEW.KMTR.HW.W.0002.051218T1638Z-051218T1900Z/
/O.EXT.KMTR.WI.Y.0006.051218T1900Z-051218T2300Z/
SAN FRANCISCO-
838 AM PST SUN DEC 18 2005

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM PST THIS MORNING...
...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT UNTIL 11 AM PST THIS MORNING.
THE WIND ADVISORY IS NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON.

HIGH WINDS HAVE OCCURRED IN THE SAN FRANCISCO AREA OVER THE LAST
HOUR. OBSERVATIONS AT THE GOLDEN GATE HAVE SEEN 58 MPH GUSTS WITH
71 MPH GUSTS AT ANGEL ISLAND. THESE STRONG WINDS ARE EXPECTED TO
CONTINUE OVER THE NEXT FEW HOURS WITH THE WARNING EFFECTIVE UNTIL
11 AM. THE AREA THEN REMAINS UNDER A WIND ADVISORY UNTIL 3 PM.

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.

THE AREA REMAINS UNDER A WIND ADVISORY UNTIL 3 PM. 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. POWER OUTAGES MAY ALSO OCCUR. USE EXTRA CAUTION.


$$

CAZ505>515-181915-
/O.CON.KMTR.WI.Y.0006.000000T0000Z-051218T2300Z/
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-
838 AM PST SUN DEC 18 2005

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

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. POWER OUTAGES MAY ALSO
OCCUR. USE EXTRA CAUTION.

$$

ANDERSON
1 follow-up statement
000 
WWUS76 KMTR 181910
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1110 AM PST SUN DEC 18 2005

...WIND ADVISORY FOR THE SAN FRANCISCO AND MONTEREY BAY AREAS
UNTIL 3 PM THIS AFTERNOON...

.A VIGOROUS STORM SYSTEM IS MOVING THROUGH THE SAN FRANCISCO AND
MONTEREY BAY AREAS AND PRODUCING STRONG WINDS AND LOCALLY HEAVY
RAIN. STRONG WINDS WILL CONTINUE BRIEFLY AFTER THE STORM PASSES...
THEN WILL START TO DECREASE.

CAZ006-182300-
/O.EXP.KMTR.HW.W.0002.000000T0000Z-051218T1900Z/
/O.CON.KMTR.WI.Y.0006.000000T0000Z-051218T2300Z/
SAN FRANCISCO-
1110 AM PST SUN DEC 18 2005

...HIGH WIND WARNING HAS EXPIRED...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT. A WIND ADVISORY
REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

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.

$$

CAZ505>515-182300-
/O.CON.KMTR.WI.Y.0006.000000T0000Z-051218T2300Z/
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-
1110 AM PST SUN DEC 18 2005

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

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. POWER OUTAGES MAY ALSO
OCCUR. USE EXTRA CAUTION.

$$

ANDERSON

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 9:34 AM PSTSevere Thunderstorm WarningMTRNapa26 min
Dec 18, 9:56 AM PSTSpecial Marine WarningMTR34 min
Dec 18, 10:18 AM PSTSevere Thunderstorm WarningMTRMarin, City and County of San Francisco, San Mateo27 min

Nearby

High Wind Warnings in California, 2005Every high wind warning in 2005

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.