Alert archive / Texas / Wind Advisories in 2007

Wind Advisory 4, NWS Austin/San Antonio, TX

October 22, 200733 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Oct 22, 2007, 3:36 AM CDT for 33 counties in Texas. It took effect at Oct 22, 2007, 4:00 AM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Oct 22, 2007, 3:36 AM CDT (08:36 UTC)
In effect from
Oct 22, 2007, 4:00 AM CDT
Expired
Oct 22, 2007, 6:00 PM CDT
In force
14 hr
Issued by
NWS Austin/San Antonio, TX
All 33 counties

Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 57 km from the middle of the area, began a volume at 08:39 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

Del Rio, TX (KDRT), launched 00:00Z, 8.6 hours before the alert went out and 218 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, Del Rio, TX at 00:00Z on 2007-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1365 joules per kilogram.LCLLFCEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2007-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1365 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS74 KEWX 220836
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
336 AM CDT MON OCT 22 2007

...SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 40 MPH ARE
EXPECTED THROUGH THIS EVENING ACROSS SOUTH CENTRAL TEXAS...

.AN UPPER LEVEL LOW HAS BROUGHT A COLD FRONT TO SOUTH CENTRAL
TEXAS. AS THIS FRONT MAKES ITS WAY TO THE TEXAS COAST THROUGH THIS
AFTERNOON...STRONG NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS NEAR
40 MPH WILL FILTER INTO THE REGION. WINDS WILL DECREASE BELOW
ADVISORY CRITERIA SHORTLY AFTER SUNSET.

TXZ171>173-183>194-202>209-217>225-228-221645-
/O.NEW.KEWX.WI.Y.0004.071022T0900Z-071022T2300Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...
CUERO...HALLETTSVILLE...CARRIZO SPRINGS
336 AM CDT MON OCT 22 2007

...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON.

AN UPPER LEVEL LOW HAS BROUGHT A COLD FRONT TO SOUTH CENTRAL
TEXAS. AS THIS FRONT MAKES ITS WAY TO THE TEXAS COAST THROUGH THIS
AFTERNOON...STRONG NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS NEAR
40 MPH WILL FILTER INTO THE REGION. NORTHERLY WINDS ARE EXPECTED TO
REACH THE SAN ANTONIO AND AUSTIN METRO AREAS BEFORE THE MORNING
COMMUTE...AND WILL CONTINUE TO INCREASE THROUGH LATE MORNING AND
INTO THE AFTERNOON. WINDS WILL DECREASE BELOW ADVISORY CRITERIA SHORTLY
AFTER SUNSET.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 22, 3:20 AM CDTFire Weather WatchEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more15 hr
Oct 22, 3:20 AM CDTRed Flag WarningEWXEdwards, Kinney, Maverick, Val Verde15 hr
Oct 22, 6:39 PM CDTRed Flag WarningEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more24 hr

Nearby

Wind Advisories in Texas, 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.