Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 35, NWS Austin/San Antonio, TX

August 16, 2007Kendall County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Aug 16, 2007, 5:41 PM CDT for Kendall County, Texas. It was in force for 34 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
Aug 16, 2007, 5:41 PM CDT (22:41 UTC)
Expired
Aug 16, 2007, 6:15 PM CDT
In force
34 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Kendall County, TX

The radar

The Austin/San Antonio radar (KEWX), 65 km from the middle of the area, began a volume at 22:40 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
Aug 16, 5:53 PM CDTTORNADO9 Ne Boerne, TXKENDALL CO SHERIFF REPORTS TORNADO AT CAVE WITHOUT A NAME. UNKNOWN AMOUNT OF DAMAGE TO A BUILDING.

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

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.7 hours before the alert went out and 217 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 2007-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 883 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 2007-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
883 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 162240
TOREWX
TXC259-162315-
/O.NEW.KEWX.TO.W.0035.070816T2241Z-070816T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
541 PM CDT THU AUG 16 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  KENDALL COUNTY...

* UNTIL 615 PM CDT

* AT 535 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  KREUTZBERG...OR ABOUT 9 MILES NORTHEAST OF BOERNE...MOVING WEST AT
  25 MPH.

* THE TORNADO WILL BE NEAR...
  WALNUT GROVE BY 550 PM CDT...
  SISTERDALE BY 555 PM CDT...
  WELFARE AND NELSON CITY BY 600 PM CDT...
  WARING BY 605 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.

LAT...LON 2982 9858 2988 9850 3002 9883 2987 9886

$$
2 follow-up statements
000 
WWUS54 KEWX 162246
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
544 PM CDT THU AUG 16 2007

TXC259-162315-
/O.CON.KEWX.TO.W.0035.000000T0000Z-070816T2315Z/
KENDALL TX-
544 PM CDT THU AUG 16 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR KENDALL
COUNTY...

AT 540 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR KREUTZBERG...OR
ABOUT 7 MILES NORTHEAST OF BOERNE...MOVING WEST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  WALNUT GROVE AND SISTERDALE BY 550 PM CDT...
  WELFARE AND NELSON CITY BY 555 PM CDT...
  WARING BY 600 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 A NEARBY DITCH OR 
CULVERT YOUR HEAD WITH YOUR HANDS. IF TAKING SHELTER OUTDOORS...BE 
PREPARED FOR THE THREAT OF FLASH FLOODING.

LAT...LON 2982 9858 2988 9850 3002 9883 2987 9886

$$
000 
WWUS54 KEWX 162308
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
607 PM CDT THU AUG 16 2007

TXC259-162317-
/O.EXP.KEWX.TO.W.0035.000000T0000Z-070816T2315Z/
KENDALL TX-
607 PM CDT THU AUG 16 2007

...THE TORNADO WARNING FOR KENDALL COUNTY EXPIRES AT 615 PM CDT...

INDICATIONS OF ROTATION IN THE THUNDERSTORMS OVER KENDALL COUNTY 
HAVE GRADUALLY WEAKENED...SO THE TORNADO WARNING WILL BE ALLOWED TO 
EXPIRE. THERE REMAINS AN ISOLATED THREAT FOR ADDITIONAL TORNADO 
DEVELOPMENT THROUGH THIS EVENING.

LAT...LON 2982 9858 2988 9850 3002 9883 2987 9886

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 9:49 PM CDTWind AdvisoryEWXAtascosa, Bexar, DeWitt, Dimmit, Frio, Gonzales and 6 more10 hr
Aug 16, 5:32 AM CDTFlash Flood WarningEWXLavaca3 hr
Aug 16, 7:02 AM CDTFlash Flood WarningEWXBastrop, Lee3 hr
Aug 16, 8:24 AM CDTFlash Flood WarningEWXLavaca3 hr
Aug 16, 11:54 AM CDTFlash Flood WarningEWXBexar, Wilson4 hr
Aug 16, 12:25 PM CDTFlash Flood WarningEWXDeWitt, Karnes3 hr
Aug 16, 2:10 PM CDTFlash Flood WarningEWXMedina3 hr
Aug 16, 3:37 PM CDTFlash Flood WarningEWXBexar, Comal, Guadalupe4 hr
Aug 16, 3:56 PM CDTFlash Flood WarningEWXBandera, Medina4 hr
Aug 16, 4:20 PM CDTFlash Flood WarningEWXDeWitt, Gonzales, Lavaca3 hr
Aug 16, 4:20 PM CDTRiver Flood WarningEWXBexar4 days
Aug 16, 4:20 PM CDTRiver Flood WarningEWXBexar, Wilson4 days
Aug 16, 4:20 PM CDTRiver Flood WarningEWXKarnes6 days
Aug 16, 4:20 PM CDTRiver Flood WarningEWXKarnes3 days
Aug 16, 4:33 PM CDTFlash Flood WarningEWXGillespie, Kendall, Kerr6 hr
Aug 16, 4:39 PM CDTFlash Flood WarningEWXMedina6 hr
Aug 16, 5:11 PM CDTRiver Flood WarningEWXMedina17 hr
Aug 16, 5:48 PM CDTFlash Flood WarningEWXBlanco, Hays6 hr
Aug 16, 5:58 PM CDTFlash Flood WarningEWXReal, Uvalde6 hr
Aug 16, 6:06 PM CDTRiver Flood WarningEWXBexar4 hr
Aug 16, 6:58 PM CDTFlash Flood WarningEWXBexar, Comal, Guadalupe6 hr

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.