Alert archive / California / Wind Advisories in 2005

Wind Advisory 9, NWS San Francisco Bay Area, CA

December 28, 20055 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Dec 28, 2005, 11:36 AM PST for 5 counties in California. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 28, 2005, 11:36 AM PST (19:36 UTC)
Expired
Dec 28, 2005, 3:42 PM PST
In force
4 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Alameda County, CA, Contra Costa County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA

The radar

The San Francisco radar (KMUX), 34 km from the middle of the area, began a volume at 19:40 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

Vandenberg AFB, CA (KVBG), launched 12:00Z, 7.6 hours before the alert went out and 331 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, Vandenberg AFB, CA at 12:00Z on 2005-12-28Temperature 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, Vandenberg AFB, CA at 12:00Z on 2005-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.193958Sfc1 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
875 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
64 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 281936
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1136 AM PST WED DEC 28 2005

...STRONG WEST TO SOUTHWEST WINDS WILL PERSIST TILL 4 PM THIS
AFTERNOON...

.POST FRONTAL WINDS REMAIN STRONG ACROSS THE HILLS OF THE NORTH
AND EAST BAY AS WELL AS ACROSS THE DIABLO AND SANTA CRUZ MOUNTAIN
RANGES AT THIS HOUR. WINDS ARE EXPECTED TO DIMINISH LATE THIS
AFTERNOON.

CAZ507-510>512-290000-
/O.NEW.KMTR.WI.Y.0009.051228T1936Z-051229T0000Z/
NORTH BAY MOUNTAINS-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS-
1136 AM PST WED DEC 28 2005

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

WEST TO SOUTHWEST WINDS OF 20 TO 40 MPH WITH GUSTS AS HIGH AS 63
MPH ARE EXPECTED TO CONTINUE ACROSS THE HILLS OF THE NORTH AND
EAST BAY AS WELL AS THE DIABLO AND SANTA CRUZ MOUNTAIN RANGES.
WINDS ARE EXPECTED TO DECREASE AS THE FRONTAL SYSTEM MOVES FURTHER
EAST.

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.

$$
1 follow-up statement
000 
WWUS76 KMTR 282342
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
342 PM PST WED DEC 28 2005

...WINDS HAVE DECREASED THIS AFTERNOON THEREFORE THE WIND ADVISORY
HAS BEEN CANCELED...
...A HIGH WIND WATCH FOR THE NORTH AND EAST BAY HILLS AND VALLEYS
AS WELL AS SAN FRANCISCO AND THE SAN MATEO COUNTY COAST FROM
FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT...

.POST FRONTAL WINDS HAVE DECREASED THIS AFTERNOON. A VIGOROUS
STORM SYSTEM WILL BRING STRONG GUSTY WINDS TO THE NORTH AND EAST
BAY HILLS AND VALLEYS AS WELL AS SAN FRANCISCO AND THE SAN MATEO
COUNTY COAST.

CAZ507-510-511-290745-
/O.CAN.KMTR.WI.Y.0009.000000T0000Z-051229T0000Z/
/O.NEW.KMTR.HW.A.0002.051230T2000Z-051231T1200Z/
NORTH BAY MOUNTAINS-EAST BAY INTERIOR VALLEYS-
EAST BAY HILLS AND DIABLO RANGE-
342 PM PST WED DEC 28 2005

...WIND ADVISORY IS CANCELLED...
...HIGH WIND WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE HAS CANCELED THE WIND ADVISORY THIS AFTERNOON.

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT. 

STRONG WINDS WILL DEVELOP FRIDAY AFTERNOON AND NIGHT AHEAD OF A
VIGOROUS STORM SYSTEM MOVING INTO CALIFORNIA. 

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.

$$

CAZ512-290045-
/O.CAN.KMTR.WI.Y.0009.000000T0000Z-051229T0000Z/
SANTA CRUZ MOUNTAINS-
342 PM PST WED DEC 28 2005

...WIND ADVISORY IS CANCELLED...

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

$$

CAZ006-505-506-509-290745-
/O.NEW.KMTR.HW.A.0002.051230T2000Z-051231T1200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-SAN FRANCISCO PENINSULA COAST-
342 PM PST WED DEC 28 2005

...HIGH WIND WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT. 

STRONG WINDS WILL DEVELOP FRIDAY AFTERNOON AND NIGHT AHEAD OF A
VIGOROUS STORM SYSTEM MOVING INTO CALIFORNIA.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 3:42 PM PSTHigh Wind WatchMTRAlameda, Contra Costa, Marin, Napa, City and County of San Francisco, San Mateo and 3 more52 hr

Nearby

Wind Advisories in California, 2005Every wind advisory 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; radar from the NEXRAD Level II archive.