Alert archive / Texas / Tornado Warnings in 2006

Tornado Warning 37, NWS Austin/San Antonio, TX

October 18, 2006Burnet County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Oct 18, 2006, 6:12 PM CDT for Burnet County, Texas. It was in force for 33 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
Oct 18, 2006, 6:12 PM CDT (23:12 UTC)
Expired
Oct 18, 2006, 6:45 PM CDT
In force
33 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Burnet County, TX

The radar

The Ft Hood radar (KGRK), 81 km from the middle of the area, began a volume at 23:15 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
Oct 18, 6:27 PM CDTTSTM WND GST 62Burnet, TX
Oct 18, 6:30 PM CDTTSTM WND DMGBurnet, TXTREES DOWN, POWER LINES DOWN, SEVERAL ROOFS OFF, BARN BLOWN DOWN, ALL IN THE IMMEDIATE BURNET AREA.

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
Oct 18, 3:06 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.2 hours before the alert went out and 247 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 12:00Z on 2006-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 12:00Z on 2006-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1906 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
100 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 182312
TOREWX
TXC053-182345-
/O.NEW.KEWX.TO.W.0037.061018T2312Z-061018T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
612 PM CDT WED OCT 18 2006

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES...
  BURNET

* UNTIL 645 PM CDT

* AT 607 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
  DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6
  MILES SOUTHWEST OF BURNET...MOVING EAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BERTRAM

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR SOUTH CENTRAL TEXAS.

LAT...LON 3084 9836 3061 9836 3057 9810 3095 9797

$$
2 follow-up statements
000 
WWUS54 KEWX 182324
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
624 PM CDT WED OCT 18 2006

TXC053-182345-
/O.CON.KEWX.TO.W.0037.000000T0000Z-061018T2345Z/
BURNET TX-
624 PM CDT WED OCT 18 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR BURNET
COUNTY...

AT 621 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BURNET...MOVING
EAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  BERTRAM BY 645 PM CDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR SOUTH CENTRAL TEXAS.

LAT...LON 3084 9836 3061 9836 3057 9810 3095 9797

$$
000 
WWUS54 KEWX 182340
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
639 PM CDT WED OCT 18 2006

TXC053-182349-
/O.EXP.KEWX.TO.W.0037.000000T0000Z-061018T2345Z/
BURNET TX-
639 PM CDT WED OCT 18 2006

...THE TORNADO WARNING FOR BURNET COUNTY EXPIRES AT 645 PM CDT...

AT 638 PM CDT...NATIONAL WEATHER SERVICE DOPPLER METEOROLOGISTS 
CONTINUED TO INDICATE SIGNS OF A TORNADO 5 MILES SOUTHWEST OF 
BRIGGS. THIS TORNADO IS MOVING NORTHEAST AT 30 MPH AND WILL MOVE 
ACROSS THE BRIGGS AREA BY 645 PM. 

LAT...LON 3084 9836 3061 9836 3057 9810 3095 9797

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 4:58 PM CDTSevere Thunderstorm WarningEWXLlano62 min
Oct 18, 5:49 PM CDTSevere Thunderstorm WarningEWXBurnet56 min
Oct 18, 6:44 PM CDTSevere Thunderstorm WarningEWXBurnet31 min
Oct 18, 6:50 PM CDTSevere Thunderstorm WarningEWXWilliamson42 min

Nearby

Tornado Warnings in Texas, 2006Every tornado warning in 2006Tornadoes in 2006

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.