Alert archive / California / Wind Advisories in 2007

Wind Advisory 1, NWS San Francisco Bay Area, CA

January 3, 20078 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Jan 3, 2007, 4:04 AM PST for 8 counties in California. It took effect at Jan 4, 2007, 12:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 3, 2007, 4:04 AM PST (12:04 UTC)
In effect from
Jan 4, 2007, 12:00 PM PST
Expired
Jan 3, 2007, 11:47 AM PST
In force
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, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 69 km from the middle of the area, began a volume at 12:07 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, 0.1 hours before the alert went out and 6 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 2007-01-03Temperature 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 2007-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
1098 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
88 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 031204
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
404 AM PST WED JAN 3 2007

...WIND ADVISORY IN EFFECT FROM 12 PM THURSDAY TO MIDNIGHT PST
THURSDAY NIGHT ALONG THE COAST FROM SONONA COUNTY SOUTHWARD
THROUGH MONTEREY COUNTY...

CAZ006-505-509-514-515-032015-
/O.NEW.KMTR.WI.Y.0001.070104T2000Z-070105T0800Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
404 AM PST WED JAN 3 2007

...WIND ADVISORY IN EFFECT FROM 12 PM THURSDAY TO MIDNIGHT PST
THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 12 PM THURSDAY TO MIDNIGHT PST
THURSDAY NIGHT. 

STRONG NORTHWEST WINDS WILL DEVELOP THURSDAY AFTERNOON AS A COLD
FRONT MOVES SOUTHEAST ACROSS CENTRAL CALIFORNIA. WINDS WILL
DECREASE THURSDAY NIGHT AS THE COLD FRONT CONTINUES TO MOVE INTO
SOUTHERN CALIFORNIA.

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.

$$

STROBIN
1 follow-up statement
000 
WWUS76 KMTR 031947
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1147 AM PST WED JAN 3 2007

...HIGH WIND WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING FOR THE COASTAL AREAS AND THE HIGHER ELEVATIONS
SURROUNDING THE BAY AREA...

.AN AREA OF SURFACE HIGH PRESSURE WILL BUILD INTO SOUTHERN OREGON
AND NORTHERN CALIFORNIA THURSDAY AFTERNOON AND THURSDAY NIGHT SETTING
UP A STRONG PRESSURE GRADIENT ACROSS CENTRAL CALIFORNIA. THIS
PATTERN WILL RESULT IN STRONG NORTH TO NORTHWEST WINDS DEVELOPING
ALONG THE COAST AND INTO THE HIGHER ELEVATIONS THURSDAY AFTERNOON.
THE STRONG WINDS WILL CONTINUE INTO THE MORNING HOURS ON
FRIDAY...ESPECIALLY IN THE NORTH AND EAST BAY HILLS.

CAZ006-505-509-514-515-040515-
/O.CAN.KMTR.WI.Y.0001.070104T2000Z-070105T0800Z/
/O.NEW.KMTR.HW.A.0001.070104T2000Z-070105T1600Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-
MONTEREY BAY...NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND
CARMEL VALLEY-BIG SUR COAST-
1147 AM PST WED JAN 3 2007

...WIND ADVISORY IS CANCELLED...
...HIGH WIND WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING FOR THE CALIFORNIA COAST FROM SONOMA COUNTY THROUGH
MONTEREY COUNTY. THE WIND ADVISORY HAS BEEN CANCELLED.

STRONG NORTHWEST WINDS 25 TO 40 MPH WITH A POTENTIAL FOR GUSTS TO
60 MPH WILL DEVELOP THURSDAY AFTERNOON AND EVENING ALONG THE
CENTRAL CALIFORNIA. THESE WINDS WILL CONTINUE INTO THURSDAY
NIGHT...THEN TAPER OFF IN MOST AREAS BY EARLY FRIDAY MORNING.

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.

$$

CAZ507-511-512-040515-
/O.NEW.KMTR.HW.A.0001.070104T2000Z-070105T1600Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
1147 AM PST WED JAN 3 2007

...HIGH WIND WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING FOR THE NORTH AND EAST BAY HILLS...DIABLO RANGE AND
THE SANTA CRUZ MOUNTAINS.

STRONG NORTH TO NORTHWEST WINDS OF 30 TO 45 MPH WITH A POTENTIAL FOR
GUSTS TO 70 MPH WILL DEVELOP THURSDAY AFTERNOON AND CONTINUE
THURSDAY NIGHT. THE WINDS WILL BECOME NORTHEASTERLY EARLY FRIDAY
MORNING AND REMAIN STRONG AND GUSTY UNTIL AFTER SUNRISE ON FRIDAY.

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.

$$

BRENCHLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 4:00 AM PSTHigh Surf AdvisoryMTRAlameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more65 hr
Jan 3, 11:47 AM PSTHigh Wind WatchMTRAlameda, Contra Costa, Marin, City and County of San Francisco, San Mateo, Santa Clara and 2 more16 hr

Nearby

Wind Advisories in California, 2007Every wind advisory in 2007

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.