Alert archive / California / Wind Advisories in 2009

Wind Advisory 2, NWS San Diego, CA

January 26, 2009San Diego County, California

NWS San Diego, CA issued this wind advisory at Jan 26, 2009, 1:21 AM PST for San Diego County, California. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 26, 2009, 1:21 AM PST (09:21 UTC)
Expired
Jan 26, 2009, 1:00 PM PST
In force
12 hr
Issued by
NWS San Diego, CA

County San Diego County, CA

The radar

The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 09:24 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

San Diego, CA (KNKX), launched 00:00Z, 9.4 hours before the alert went out and 47 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, San Diego, CA at 00:00Z on 2009-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLEL10008507005003002001001 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, San Diego, CA at 00:00Z on 2009-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939587897117136Sfc1 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
3 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
-26 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 KSGX 260921
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
121 AM PST MON JAN 26 2009

...STRONG GUSTY WINDS IN THE SAN DIEGO COUNTY MOUNTAINS AND
DESERTS THROUGH MID MORNING...

.STRONG ONSHORE FLOW WILL BRING GUSTY WINDS TO THE SAN DIEGO
COUNTY MOUNTAINS AND DESERTS THROUGH MID MORNING.

CAZ058-062-261800-
/O.NEW.KSGX.WI.Y.0002.090126T0921Z-090126T1800Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
121 AM PST MON JAN 26 2009

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

AREAS OF WEST WINDS 2O TO 30 MPH WITH GUSTS TO 50 MPH. WINDS WILL
BE STRONGEST AND MOST WIDESPREAD NEAR THE RIDGETOPS AND ON THE
DESERT SLOPES. WINDS ARE EXPECTED TO SLOWLY DECREASE LATER THIS
MORNING.

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.

$$

MARTIN
1 follow-up statement
000 
WWUS76 KSGX 261720
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
920 AM PST MON JAN 26 2009

...STRONG GUSTY WINDS LIKELY OVER SAN DIEGO COUNTY MOUNTAINS AND
DESERTS THROUGH EARLY AFTERNOON...

.MOUNTAIN WAVES LIKELY TO CONTINUE TOUCHING DOWN OVER ANZA BORREGO
DESERT AND POINTS EASTWARD THROUGH MIDDAY. BY MID AFTERNOON...
SURFACE HEATING AND DIMINISHING WINDS AT RIDGETOP LEVEL WILL NO
LONER BE FAVORABLE FOR STRONG WIND GUSTS.

CAZ058-062-262100-
/O.EXT.KSGX.WI.Y.0002.000000T0000Z-090126T2100Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
920 AM PST MON JAN 26 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON.

WEST WINDS 25 TO 35 MPH WITH GUSTS OVER 50 MPH WILL CONTINUE
THROUGH MIDDAY. THE SUSTAINED WINDS WILL BE STRONGEST NEAR THE
RIDGE TOPS AND DOWN WEST TO EAST ALIGNED CANYONS THIS
MORNING. HOWEVER SUDDEN STRONG WINDS GUSTS OVER 50 MPH ARE ALSO 
POSSIBLE OVER THE DESERT FLOOR THROUGH EARLY AFTERNOON. STRONG
WIND GUSTS ARE EXPECTED TO END BY MID 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.

$$

MARTIN/BALFOUR

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 26, 8:42 AM PSTMarine Weather StatementSGX7 hr

Nearby

Wind Advisories in California, 2009Every wind advisory in 2009

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.