Alert archive / Texas / Tornado Warnings in 2009

Tornado Warning 16, NWS Austin/San Antonio, TX

June 11, 2009Burnet County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jun 11, 2009, 7:25 PM CDT for Burnet County, Texas. It was in force for 35 min. 5 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
Jun 11, 2009, 7:25 PM CDT (00:25 UTC)
Expired
Jun 11, 2009, 8:00 PM CDT
In force
35 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

County Burnet County, TX

The radar

The Ft Hood radar (KGRK), 70 km from the middle of the area, began a volume at 00:27 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
Jun 11, 7:28 PM CDTTSTM WND GST 66Burnet, TXKBMQ GUST 58KTS
Jun 11, 7:40 PM CDTHAIL 1Burnet, TXAT SO IN BURNET
Jun 11, 7:45 PM CDTNON-TSTM WND DMG12 N Burnet, TXNUMEROUS TREES BLOWN DOWN AND SOME TRANSFORMERS ON FIRE
Jun 11, 7:53 PM CDTTSTM WND GST 60Burnet, TXKBMQ ASOS
Jun 11, 7:56 PM CDTTSTM WND GST 64Burnet, TXKBMQ ASOS

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
Jun 11, 2:32 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.4 hours before the alert went out and 233 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, Fort Worth, TX at 00:00Z on 2009-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2849 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, Fort Worth, TX at 00:00Z on 2009-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
2849 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1048 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.9
Supercell composite
8.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 120025
TOREWX
TXC053-120115-
/O.NEW.KEWX.TO.W.0016.090612T0025Z-090612T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
725 PM CDT THU JUN 11 2009

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BURNET COUNTY...

* UNTIL 815 PM CDT.

* AT 723 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKE VICTOR...OR
  ABOUT 10 MILES NORTHEAST OF BURNET...MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE SHADY GROVE...JOPPA...OATMEAL
  AND BERTRAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1000 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 3087 9794 3063 9814 3086 9830 3101 9819
TIME...MOT...LOC 0025Z 300DEG 27KT 3089 9815

$$
2 follow-up statements
000 
WWUS54 KEWX 120030
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
730 PM CDT THU JUN 11 2009

TXC053-120115-
/O.CON.KEWX.TO.W.0016.000000T0000Z-090612T0115Z/
BURNET TX-
730 PM CDT THU JUN 11 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
BURNET COUNTY...

AT 727 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED NEAR LAKE VICTOR...OR 8 MILES NORTHEAST OF
BURNET...MOVING SOUTHEAST AT 35 MPH.

THE TOWN OF BERTRAM MAY BE IMPACTED BY A TORNADO BY 805 PM. VERY 
STRONG WINDS AND BASEBALL SIZE HAIL CAN ALSO BE EXPECTED WITH THIS 
STORM. 

SOME LOCATIONS IN THE WARNING AREA INCLUDE SHADY GROVE...JOPPA...
BERTRAM AND OATMEAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 3087 9794 3063 9814 3086 9830 3101 9819
TIME...MOT...LOC 0029Z 315DEG 29KT 3084 9813

$$
000 
WWUS54 KEWX 120100
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
800 PM CDT THU JUN 11 2009

TXC053-120109-
/O.CAN.KEWX.TO.W.0016.000000T0000Z-090612T0115Z/
BURNET TX-
800 PM CDT THU JUN 11 2009

...THE TORNADO WARNING FOR CENTRAL BURNET COUNTY IS CANCELLED...

THE TORNADO HAS SINCE MOVED INTO WILLIAMSON COUNTY. HOWEVER...SEVERE 
WEATHER...WITH LARGE HAIL AND DAMAGING WINDS REMAINS LIKELY OVER 
CENTRAL AND EASTERN BURNET COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 3087 9794 3063 9814 3086 9830 3101 9819
TIME...MOT...LOC 0059Z 315DEG 29KT 3067 9793

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:39 PM CDTSevere Thunderstorm WarningEWXBurnet, Travis, Williamson66 min
Jun 11, 7:43 PM CDTTornado WarningEWXBurnet, Travis, Williamson47 min
Jun 11, 7:51 PM CDTSevere Thunderstorm WarningEWXLlano39 min
Jun 11, 8:08 PM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Hays, Travis, Williamson67 min
Jun 11, 8:09 PM CDTFlash Flood WarningEWXBurnet, Llano, Williamson111 min
Jun 11, 8:27 PM CDTTornado WarningEWXTravis, Williamson33 min
Jun 11, 9:03 PM CDTFlash Flood WarningEWXTravis, Williamson3 hr
Jun 11, 9:08 PM CDTSevere Thunderstorm WarningEWXBastrop, Lee, Travis, Williamson67 min
Jun 11, 9:36 PM CDTSevere Thunderstorm WarningEWXCaldwell, Comal, Guadalupe, Hays, Travis54 min
Jun 11, 9:58 PM CDTSevere Thunderstorm WarningEWXLlano51 min
Jun 11, 11:03 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano42 min

Nearby

Tornado Warnings in Texas, 2009Every tornado warning in 2009Tornadoes in 2009

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.