Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 18, NWS Austin/San Antonio, TX

April 24, 2007Maverick County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 24, 2007, 6:51 PM CDT for Maverick County, Texas. It was in force for 54 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 24, 2007, 6:51 PM CDT (23:51 UTC)
Expired
Apr 24, 2007, 7:45 PM CDT
In force
54 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 74 km from the middle of the area, began a volume at 23:51 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.

What was reported inside it

TimeReportWhereRemark
Apr 24, 6:54 PM CDTHAIL 1.75Eagle Pass, TX
Apr 24, 7:01 PM CDTTORNADO3 Se Eagle Pass, TXMAVERICK CO DISPATCH REPORTED A TORNADO IN LOMA LINDA. MULTIPLE INJURIES WITH DAMAGE TO HOMES. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 24, 3:58 PM CDTTornado Watch PDSSPC7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.9 hours before the alert went out and 94 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 12:00Z on 2007-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2517 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 12:00Z on 2007-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
2517 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
2.9
Supercell composite
10.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 242351
TOREWX
TXC323-250045-
/O.NEW.KEWX.TO.W.0018.070424T2351Z-070425T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
651 PM CDT TUE APR 24 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  MAVERICK COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...EL INDIO...EAGLE PASS...

* UNTIL 745 PM CDT

* AT 647 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  EAGLE PASS...MOVING SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  EL INDIO BY 725 PM 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 1100 PM CDT TUESDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2876 10056 2860 10060 2833 10012 2864 10012

$$
2 follow-up statements
000 
WWUS54 KEWX 250000
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
658 PM CDT TUE APR 24 2007

TXC323-250045-
/O.CON.KEWX.TO.W.0018.000000T0000Z-070425T0045Z/
MAVERICK TX-
658 PM CDT TUE APR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR MAVERICK
COUNTY...

AT 655 PM CDT...A TORNADO WAS REPORTED.  THIS TORNADO WAS LOCATED 5 
MILES SOUTH OF EAGLE PASS...MOVING EAST TO SOUTHEAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  6 MILES NORTH OF EL INDIO BY 720 PM CDT...

THIS IS A DANGEROUS AND LIFE THREATENING SITUATION. THIS STORM IS 
CAPABLE OF PRODUCING A STRONG TORNADO. IF YOU ARE IN THE PATH OF 
THIS TORNADO...TAKE COVER IMMEDIATELY VERY LARGE HAIL OF BASEBALL 
SIZE OR LARGER AND WIND GUSTS OVER 70 MPH IS ALSO POSSIBLE WITH THIS 
STORM. 

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 1100 PM CDT TUESDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2876 10056 2860 10060 2833 10012 2864 10012

$$
000 
WWUS54 KEWX 250020
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
716 PM CDT TUE APR 24 2007

TXC323-250045-
/O.CON.KEWX.TO.W.0018.000000T0000Z-070425T0045Z/
MAVERICK TX-
716 PM CDT TUE APR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR MAVERICK
COUNTY...

AT 712 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
INDICATE STRONG SIGNS OF A TORNADO. THIS TORNADO WAS LOCATED 7 MILES 
NORTH OF EL INDIO...MOVING EAST AT 25 MPH.

THE TORNADO TRACK WILL RUN NEARLY PARALLEL TO HIGHWAY 377 OVER 
EASTERN MAVERICK COUNTY...REMAINING ABOUT FIVE MILES SOUTH OF THE 
HIGHWAY AS IT APPROACHES THE DIMMIT COUNTY BORDER BY 745 PM.

THIS IS A DANGEROUS AND LIFE THREATENING THUNDERSTORM. THIS STORM IS 
CAPABLE OF PRODUCING A STRONG TORNADO AS WELL AS BASEBALL SIZED HAIL 
AND WIND GUSTS OVER 70 MPH. IF YOU ARE IN THE PATH OF THIS 
STORM...TAKE COVER IMMEDIATELY

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT TUESDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2876 10056 2860 10060 2833 10012 2864 10012

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:45 PM CDTSevere Thunderstorm WarningEWXVal Verde60 min
Apr 23, 8:01 PM CDTTornado WarningEWXVal Verde29 min
Apr 23, 8:28 PM CDTTornado WarningEWXVal Verde32 min
Apr 23, 8:41 PM CDTFlash Flood WarningEWXVal Verde2 hr
Apr 23, 8:49 PM CDTTornado WarningEWXKinney37 min
Apr 24, 4:32 AM CDTFlash Flood WatchEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 22 more26 hr
Apr 24, 4:26 PM CDTSevere Thunderstorm WarningEWXVal Verde64 min
Apr 24, 6:18 PM CDTSevere Thunderstorm WarningEWXMaverick57 min

Nearby

Tornado Warnings in Texas, 2007Every tornado warning in 2007Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.