Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 12, NWS Austin/San Antonio, TX

April 13, 2007Bandera County, Kerr County, Real County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 13, 2007, 6:49 PM CDT for Bandera County, Kerr County, Real County, Texas. It was in force for 26 min. 1 report 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 13, 2007, 6:49 PM CDT (23:49 UTC)
Expired
Apr 13, 2007, 7:15 PM CDT
In force
26 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bandera County, TX, Kerr County, TX, Real County, TX

The radar

The Laughlin AFB radar (KDFX), 97 km from the middle of the area, began a volume at 23:48 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 13, 7:00 PM CDTHAIL 1.516 Nnw Leakey, TX1 1/2 HAIL AT PRADE RANCH.

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 13, 6:27 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.8 hours before the alert went out and 127 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 2007-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1809 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 2007-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
1809 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
1.1
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 132349
TOREWX
TXC019-265-385-140015-
/O.NEW.KEWX.TO.W.0012.070413T2349Z-070414T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
649 PM CDT FRI APR 13 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  BANDERA COUNTY IN SOUTH CENTRAL TEXAS...
  KERR COUNTY IN SOUTH CENTRAL TEXAS...
  REAL COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 715 PM CDT

* AT 643 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 34
  MILES WEST OF KERR WILDLIFE MGMT AREA...OR ABOUT 9 MILES EAST OF
  ROCKSPRINGS...MOVING EAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL REAL COUNTY AT 700 PM CDT
  RURAL KERR COUNTY AT 710 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 200 AM CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 3009 9949 2987 9951 2992 9999 2992 10000
      3001 9999 3003 9997 3009 9997 3008 9977
      3010 9976 3010 9952

$$
1 follow-up statement
000 
WWUS54 KEWX 140002
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
702 PM CDT FRI APR 13 2007

TXC019-265-385-140015-
/O.CON.KEWX.TO.W.0012.000000T0000Z-070414T0015Z/
KERR TX-REAL TX-BANDERA TX-
702 PM CDT FRI APR 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
BANDERA...REAL AND KERR COUNTIES...

AT 653 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 26 MILES WEST OF KERR 
WILDLIFE MANAGEMENT AREA...OR ABOUT 17 MILES EAST OF 
ROCKSPRINGS...MOVING EAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  8 MILES WEST OF KERR WILDLIFE MANAGEMENT AREA BY 715 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 3009 9949 2987 9951 2992 9999 2992 10000
      3001 9999 3003 9997 3009 9997 3008 9977
      3010 9976 3010 9952

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 2:34 PM CDTRed Flag WarningEWXBandera, Dimmit, Edwards, Frio, Kinney, Maverick and 5 more28 hr
Apr 13, 6:05 PM CDTSevere Thunderstorm WarningEWXVal Verde55 min
Apr 13, 6:21 PM CDTSevere Thunderstorm WarningEWXEdwards54 min
Apr 13, 6:52 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano53 min
Apr 13, 6:58 PM CDTSevere Thunderstorm WarningEWXKinney32 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.