Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 23, NWS Austin/San Antonio, TX

July 24, 20084 counties in Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jul 24, 2008, 9:52 AM CDT for 4 counties in Texas. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 24, 2008, 9:52 AM CDT (14:52 UTC)
Expired
Jul 24, 2008, 10:12 AM CDT
In force
20 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

Counties Gonzales County, TX, Guadalupe County, TX, Karnes County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 56 km from the middle of the area, began a volume at 14:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 24, 7:00 AM CDTTornado WatchSPC12 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 2.9 hours before the alert went out and 174 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, Corpus Christi, TX at 12:00Z on 2008-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 373 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, Corpus Christi, TX at 12:00Z on 2008-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
373 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 241452
TOREWX
TXC177-187-255-493-241515-
/O.NEW.KEWX.TO.W.0023.080724T1452Z-080724T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
952 AM CDT THU JUL 24 2008

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN GONZALES COUNTY...
  EXTREME SOUTH CENTRAL GUADALUPE COUNTY...
  NORTHEASTERN KARNES COUNTY...
  NORTHEASTERN WILSON COUNTY...

* UNTIL 1015 AM CDT.

* AT 948 AM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GILLETT...OR ABOUT
  8 MILES EAST OF KOSCIUSKO...MOVING NORTHWEST AT 38 MPH.

* THE TORNADO WILL BE NEAR...
  8 MILES SOUTHWEST OF NIXON BY 1000 AM CDT...
  PANDORA BY 1005 AM CDT...
  STOCKDALE BY 1010 AM CDT...
  8 MILES EAST OF SUTHERLAND SPRINGS BY 1015 AM CDT...

IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2928 9812 2941 9781 2910 9765 2899 9787
TIME...MOT...LOC 1452Z 150DEG 33KT 2913 9782

$$
2 follow-up statements
000 
WWUS54 KEWX 241504
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1004 AM CDT THU JUL 24 2008

TXC177-187-255-493-241515-
/O.CON.KEWX.TO.W.0023.000000T0000Z-080724T1515Z/
GUADALUPE TX-GONZALES TX-WILSON TX-KARNES TX-
1004 AM CDT THU JUL 24 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
NORTHEASTERN KARNES...NORTHEASTERN WILSON...SOUTHWESTERN GONZALES AND
EXTREME SOUTH CENTRAL GUADALUPE COUNTIES...

AT 1001 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED NEAR GILLETT...OR 7 MILES NORTHEAST OF
KOSCIUSKO...MOVING NORTHWEST AT 33 MPH.

THE TORNADO WILL BE NEAR...
  PANDORA BY 1010 AM CDT...
  STOCKDALE AND 9 MILES EAST OF SUTHERLAND SPRINGS BY 1015 AM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2928 9812 2941 9781 2910 9765 2899 9787
TIME...MOT...LOC 1504Z 150DEG 28KT 2920 9787

$$
000 
WWUS54 KEWX 241512
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1013 AM CDT THU JUL 24 2008

TXC177-187-255-493-241523-
/O.CAN.KEWX.TO.W.0023.000000T0000Z-080724T1515Z/
GUADALUPE TX-GONZALES TX-WILSON TX-KARNES TX-
1013 AM CDT THU JUL 24 2008

...THE TORNADO WARNING FOR NORTHEASTERN KARNES...NORTHEASTERN
WILSON...SOUTHWESTERN GONZALES AND EXTREME SOUTH CENTRAL GUADALUPE
COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2928 9812 2941 9781 2910 9765 2899 9787
TIME...MOT...LOC 1513Z 150DEG 33KT 2930 9793

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 3:55 AM CDTFlash Flood WatchEWXDimmit, Kinney, Maverick, Val Verde, Zavala27 hr
Jul 24, 7:41 AM CDTAreal Flood AdvisoryEWXAtascosa2 hr
Jul 24, 10:14 AM CDTTornado WarningEWXDeWitt, Gonzales, Guadalupe, Karnes, Wilson46 min
Jul 24, 11:23 AM CDTTornado WarningEWXLavaca37 min
Jul 24, 11:31 AM CDTTornado WarningEWXGonzales, Guadalupe44 min
Jul 24, 12:28 PM CDTAreal Flood AdvisoryEWXAtascosa, Bandera, Bexar, Blanco, Comal, Gillespie and 6 more3 hr
Jul 24, 12:41 PM CDTWind AdvisoryEWXDimmit, Frio, Maverick, Zavala5 hr
Jul 24, 12:43 PM CDTFlash Flood WarningEWXBexar, Comal3 hr
Jul 24, 12:46 PM CDTTornado WarningEWXBexar, Medina29 min
Jul 24, 1:04 PM CDTFlash Flood WarningEWXAtascosa3 hr
Jul 24, 1:09 PM CDTTornado WarningEWXBandera, Bexar, Kendall, Kerr, Medina36 min
Jul 24, 1:29 PM CDTTornado WarningEWXBexar21 min
Jul 24, 2:26 PM CDTAreal Flood AdvisoryEWXBastrop, Burnet, Fayette, Lee, Llano, Travis and 1 more4 hr
Jul 24, 3:27 PM CDTAreal Flood AdvisoryEWXBandera, Blanco, Gillespie, Hays, Kendall, Kerr and 2 more3 hr
Jul 24, 3:39 PM CDTFlash Flood WarningEWXBexar, Comal3 hr
Jul 24, 4:03 PM CDTAreal Flood AdvisoryEWXCaldwell, DeWitt, Gonzales, Guadalupe, Karnes, Lavaca and 1 more117 min
Jul 24, 5:38 PM CDTTornado WarningEWXBexar, Guadalupe, Wilson37 min
Jul 24, 6:01 PM CDTAreal Flood AdvisoryEWXCaldwell, Gonzales, Guadalupe119 min
Jul 24, 6:41 PM CDTAreal Flood AdvisoryEWXBlanco, Burnet, Gillespie, Hays, Kendall, Kerr and 1 more2 hr
Jul 24, 6:49 PM CDTAreal Flood AdvisoryEWXComal116 min

Nearby

Tornado Warnings in Texas, 2008Every tornado warning in 2008Tornadoes in 2008

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.