Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 17, NWS Austin/San Antonio, TX

April 23, 2007Kinney County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 23, 2007, 8:49 PM CDT for Kinney County, Texas. It was in force for 37 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
Apr 23, 2007, 8:49 PM CDT (01:49 UTC)
Expired
Apr 23, 2007, 9:26 PM CDT
In force
37 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Kinney County, TX

The radar

The Laughlin AFB radar (KDFX), 37 km from the middle of the area, began a volume at 01:52 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
Apr 23, 7:48 PM CDTTornado WatchSPC105 min

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.8 hours before the alert went out and 19 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 2007-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1923 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 2007-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897Sfc1 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
1923 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
1353 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 240149
TOREWX
TXC271-240245-
/O.NEW.KEWX.TO.W.0017.070424T0149Z-070424T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
849 PM CDT MON APR 23 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  KINNEY COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...SPOFFORD...BRACKETTVILLE...

* UNTIL 945 PM CDT

* AT 848 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 18
  MILES WEST OF BRACKETTVILLE...OR ABOUT 12 MILES EAST OF DEL RIO...
  MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  BRACKETTVILLE AND 7 MILES SOUTH OF ALAMO VILLAGE BY 930 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 MONDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2926 10074 2933 10074 2934 10071 2937 10070
      2955 10069 2958 10067 2954 10023 2913 10036
      2921 10071 2924 10076 2925 10076

$$
3 follow-up statements
000 
WWUS54 KEWX 240156
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
852 PM CDT MON APR 23 2007

TXC271-240245-
/O.CON.KEWX.TO.W.0017.000000T0000Z-070424T0245Z/
KINNEY TX-
852 PM CDT MON APR 23 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR KINNEY
COUNTY...

AT 848 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 19 MILES WEST OF 
BRACKETTVILLE...OR ABOUT 11 MILES EAST OF DEL RIO...MOVING EAST AT 
25 MPH.

LAW ENFORCEMENT REPORTED A TORNADO TOUCHDOWN SOUTHEAST OF DEL RIO AT 
834 PM CDT. THIS STORM WILL CONTINUE TO TRACK EAST AND COULD 
THREATEN THE BRACKETTVILLE AREA TOWARD 10 PM. HAIL UP TO GOLFBALL 
SIZE IS STILL POSSIBLE WITH THIS STORM.

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

LAT...LON 2926 10074 2933 10074 2934 10071 2937 10070
      2955 10069 2958 10067 2954 10023 2913 10036
      2921 10071 2924 10076 2925 10076

$$
000 
WWUS54 KEWX 240205
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
905 PM CDT MON APR 23 2007

TXC271-240245-
/O.CON.KEWX.TO.W.0017.000000T0000Z-070424T0245Z/
KINNEY TX-
905 PM CDT MON APR 23 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR KINNEY
COUNTY...

AT 856 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 17 MILES WEST OF
BRACKETTVILLE...OR ABOUT 12 MILES EAST OF DEL RIO...MOVING EAST AT 25
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALAMO 
VILLAGE. THE STORM IS EXPECTED TO THREATEN TRAVELLERS ALONG US 
HIGHWAY 90.

A VEHICLE IS EASILY ROLLED AND CRUSHED BY A TORNADO. DO NOT TRY TO
OUTRUN ONE. IF NO STRONG BUILDING IS CLOSE...LEAVE YOUR VEHICLE AND
TAKE SHELTER IN A DITCH OR LOW SPOT. COVER YOUR HEAD.

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

LAT...LON 2926 10074 2933 10074 2934 10071 2937 10070
      2955 10069 2958 10067 2954 10023 2913 10036
      2921 10071 2924 10076 2925 10076

$$
000 
WWUS54 KEWX 240226
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
926 PM CDT MON APR 23 2007

TXC271-240236-
/O.CAN.KEWX.TO.W.0017.000000T0000Z-070424T0245Z/
KINNEY TX-
926 PM CDT MON APR 23 2007

...THE TORNADO WARNING FOR KINNEY COUNTY IS CANCELLED...

THE STORM WHICH PRODUCED A TORNADO NEAR DEL RIO HAS SINCE WEAKENED 
TO BELOW SEVERE LEVELS. NO OTHER STRONG THUNDERSTORMS ARE EXPECTED 
THROUGH THE NEXT SEVERAL HOURS.

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

LAT...LON 2926 10074 2933 10074 2934 10071 2937 10070
      2955 10069 2958 10067 2954 10023 2913 10036
      2921 10071 2924 10076 2925 10076

$$

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 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
Apr 24, 6:51 PM CDTTornado WarningEWXMaverick54 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.