Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 37, NWS Houston/Galveston, TX

October 13, 2012Burleson County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Oct 13, 2012, 7:13 PM CDT for Burleson County, Texas. It was in force for 32 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
Oct 13, 2012, 7:13 PM CDT (00:13 UTC)
Expired
Oct 13, 2012, 7:45 PM CDT
In force
32 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon

County Burleson County, TX

The radar

The Ft Hood radar (KGRK), 58 km from the middle of the area, began a volume at 00:15 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 13, 7:37 PM CDTTORNADO4 W Caldwell, TXSPOTTER REPORTED RAIN WRAPPED TORNADO TO THE TX DPS.

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

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.2 hours before the alert went out and 262 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 2012-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1344 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 2012-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 324 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
1344 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
324 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
3.1
Supercell composite
17.2

Open this sounding in Storm Lab

The text

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

783 
WFUS54 KHGX 140013
TORHGX
TXC051-140045-
/O.NEW.KHGX.TO.W.0037.121014T0013Z-121014T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
713 PM CDT SAT OCT 13 2012

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY  HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BURLESON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 745 PM CDT

* AT 706 PM CDT...DOPPLER RADAR INDICATED A TORNADO 13 MILES 
  SOUTHWEST OF CALDWELL...MOVING NORTHEAST AT 15 MPH ALONG AND WEST 
  OF FM-696.

* LOCATIONS IMPACTED INCLUDE...
  CALDWELL.

THERE HAVE BEEN PUBLIC REPORTS OF A TORNADO ASSOCIATED WITH THIS 
STORM NEAR LEXINGTON IN LEE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3063 9683 3066 9677 3045 9659 3037 9677
      3039 9679 3043 9687 3046 9688 3046 9690
      3050 9690 3050 9691 3052 9690 3054 9692
TIME...MOT...LOC 0006Z 232DEG 14KT 3043 9690 

$$

40
2 follow-up statements
496 
WWUS54 KHGX 140032
SVSHGX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
732 PM CDT SAT OCT 13 2012

TXC051-140045-
/O.CON.KHGX.TO.W.0037.000000T0000Z-121014T0045Z/
BURLESON TX-
732 PM CDT SAT OCT 13 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
WESTERN BURLESON COUNTY...

AT 719 PM CDT...A TRAINED WEATHER SPOTTERS REPORTED A 
RAINWRAPPED TORNADO LOCATED 4 MILES WEST OF 7 MILES NORTHWESWT OF 
DIMEBOX...MOVING NORTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
CALDWELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3063 9683 3066 9677 3045 9659 3037 9677
      3039 9679 3043 9687 3046 9688 3046 9690
      3050 9690 3050 9691 3052 9690 3054 9692
TIME...MOT...LOC 0029Z 232DEG 14KT 3049 9682 

$$

40
302 
WWUS54 KHGX 140034
SVSHGX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
734 PM CDT SAT OCT 13 2012

TXC051-140045-
/O.CON.KHGX.TO.W.0037.000000T0000Z-121014T0045Z/
BURLESON TX-
734 PM CDT SAT OCT 13 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
WESTERN BURLESON COUNTY...

AT 729 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 7
MILES SOUTHWEST OF CALDWELL...MOVING NORTHEAST AT 15 MPH. SPOTTER 
REPORTS INDICATED THAT THE TORNADO IS LIKELY RAINWRAPPED.

LOCATIONS IMPACTED INCLUDE...
CALDWELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3063 9683 3066 9677 3045 9659 3037 9677
      3039 9679 3043 9687 3046 9688 3046 9690
      3050 9690 3050 9691 3052 9690 3054 9692
TIME...MOT...LOC 0029Z 232DEG 12KT 3048 9681 

$$

40

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 13, 7:43 PM CDTSevere Thunderstorm WarningHGXBrazos, Burleson47 min
Oct 13, 8:35 PM CDTSpecial Weather StatementHGXBrazos25 min
Oct 14, 4:12 AM CDTSmall Craft Advisory for WindsHGX5 hr
Oct 14, 7:29 AM CDTSpecial Weather StatementHGXMontgomery46 min
Oct 14, 8:32 AM CDTSpecial Weather StatementHGXWaller43 min
Oct 14, 9:18 AM CDTSpecial Weather StatementHGXMontgomery42 min
Oct 14, 10:06 AM CDTSpecial Weather StatementHGXHarris39 min

Nearby

Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes in 2012

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.