Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 72, NWS Fort Worth, TX

April 26, 2011Freestone County, Leon County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 26, 2011, 9:07 PM CDT for Freestone County, Leon County, Texas. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 26, 2011, 9:07 PM CDT (02:07 UTC)
Expired
Apr 26, 2011, 10:00 PM CDT
In force
53 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Freestone County, TX, Leon County, TX

The radar

The Ft Hood radar (KGRK), 174 km from the middle of the area, began a volume at 02:07 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 26, 1:44 PM CDTTornado Watch PDSSPC10 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.1 hours before the alert went out and 196 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1466 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897117136Sfc1 km3 km6 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
1466 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
1066 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

737 
WFUS54 KFWD 270207
TORFWD
TXC161-289-270300-
/O.NEW.KFWD.TO.W.0072.110427T0207Z-110427T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
907 PM CDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN FREESTONE COUNTY IN NORTH CENTRAL TEXAS...
  NORTHERN LEON COUNTY IN NORTHEAST TEXAS...

* UNTIL 1000 PM CDT

* AT 907 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  DEVELOPING TORNADO 4 MILES SOUTHEAST OF TEAGUE...MOVING EAST AT 45
  MPH.

* THE TORNADO WILL BE NEAR...
  FAIRFIELD AROUND 915 PM CDT...
  BUFFALO AROUND 920 PM CDT...
  OAKWOOD AROUND 935 PM CDT...

THIS WILL IMPACT I-45 BETWEEN MILE MARKERS 169 AND 202.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST
FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A
MATTRESS FOR PROTECTION.

&&

LAT...LON 3123 9573 3142 9624 3173 9644 3181 9597
      3180 9598 3175 9587 3169 9586 3169 9578
      3162 9579 3161 9576 3166 9574 3162 9571
      3157 9572 3154 9576 3151 9573 3139 9569
      3135 9566
TIME...MOT...LOC 0207Z 281DEG 40KT 3159 9621

$$


92
3 follow-up statements
010 
WWUS54 KFWD 270219
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
919 PM CDT TUE APR 26 2011

TXC161-289-270300-
/O.CON.KFWD.TO.W.0072.000000T0000Z-110427T0300Z/
FREESTONE TX-LEON TX-
919 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN
LEON AND SOUTHERN FREESTONE COUNTIES...

AT 919 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED 7 MILES NORTHWEST OF
BUFFALO...MOVING EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  BUFFALO AROUND 925 PM CDT...
  OAKWOOD AROUND 940 PM CDT...

THIS WILL IMPACT I-45 BETWEEN MILE MARKERS 169 AND 202.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR EASTERN TEXAS.

&&

LAT...LON 3123 9573 3142 9624 3173 9644 3181 9597
      3180 9598 3175 9587 3169 9586 3169 9578
      3162 9579 3161 9576 3166 9574 3162 9571
      3157 9572 3154 9576 3151 9573 3139 9569
      3135 9566
TIME...MOT...LOC 0219Z 292DEG 31KT 3152 9612

$$
554 
WWUS54 KFWD 270236
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
936 PM CDT TUE APR 26 2011

TXC161-289-270300-
/O.CON.KFWD.TO.W.0072.000000T0000Z-110427T0300Z/
FREESTONE TX-LEON TX-
936 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN
LEON AND SOUTHERN FREESTONE COUNTIES...

AT 935 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED 5 MILES NORTHEAST OF
BUFFALO...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  OAKWOOD AROUND 950 PM CDT...

THIS WILL IMPACT I-45 BETWEEN MILE MARKERS 169 AND 201.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. IF YOU ARE IN THE PATH 
OF THIS STORM...TAKE COVER IMMEDIATELY. 

DO NOT LEAVE SHELTER TO USE YOUR CAR TO OUTRUN A TORNADO. CARS ARE
EASILY TOSSED AND CRUSHED BY TORNADO WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR EASTERN TEXAS.

&&

LAT...LON 3123 9573 3142 9624 3171 9642 3181 9598
      3175 9587 3169 9586 3169 9579 3162 9579
      3161 9576 3166 9574 3162 9571 3157 9572
      3154 9576 3135 9566
TIME...MOT...LOC 0235Z 272DEG 27KT 3153 9597

$$
664 
WWUS54 KFWD 270301
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1001 PM CDT TUE APR 26 2011

TXC161-289-270311-
/O.EXP.KFWD.TO.W.0072.000000T0000Z-110427T0300Z/
FREESTONE TX-LEON TX-
1001 PM CDT TUE APR 26 2011

...THE TORNADO WARNING FOR SOUTHERN FREESTONE COUNTY EXPIRED AT 
1000 PM CDT...

...A NEW TORNADO WARNING HAS BEEN ISSUED FOR LEON COUNTY...

AT 1001 PM CDT THE SEVERE THUNDERSTORM THAT PROMPTED THE TORNADO 
WARNING FOR SOUTHERN FREESTONE HAS EXITED THE WARNED AREA AND THE 
WARNING EXPIRED FOR FREESTONE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING
FOR EASTERN TEXAS. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 500
AM CDT WEDNESDAY MORNING FOR EASTERN TEXAS.

LAT...LON 3123 9573 3142 9624 3171 9642 3181 9598
      3175 9587 3169 9586 3169 9579 3162 9579
      3161 9576 3166 9574 3162 9571 3157 9572
      3154 9576 3135 9566
TIME...MOT...LOC 0236Z 272DEG 27KT 3153 9596

$$

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 7:08 PM CDTSevere Thunderstorm WarningFWDHill, McLennan, Navarro67 min
Apr 26, 7:11 PM CDTTornado WarningFWDFalls, Limestone49 min
Apr 26, 7:12 PM CDTTornado WarningFWDFreestone, Navarro48 min
Apr 26, 7:43 PM CDTTornado WarningFWDFreestone, Hill, Limestone, Navarro47 min
Apr 26, 7:46 PM CDTTornado WarningFWDHill, Limestone, McLennan44 min
Apr 26, 7:49 PM CDTTornado WarningFWDFreestone, Leon, Limestone41 min
Apr 26, 7:51 PM CDTSevere Thunderstorm WarningFWDLamar54 min
Apr 26, 7:51 PM CDTTornado WarningFWDAnderson, Freestone, Henderson, Navarro39 min
Apr 26, 8:06 PM CDTTornado WarningFWDFreestone, Limestone39 min
Apr 26, 8:12 PM CDTSevere Thunderstorm WarningFWDBosque, Hill, Limestone, McLennan63 min
Apr 26, 8:17 PM CDTTornado WarningFWDMcLennan43 min
Apr 26, 8:27 PM CDTSevere Thunderstorm WarningFWDDallas, Ellis36 min
Apr 26, 8:29 PM CDTTornado WarningFWDFreestone, Limestone46 min
Apr 26, 8:35 PM CDTTornado WarningFWDMcLennan25 min
Apr 26, 8:42 PM CDTTornado WarningFWDAnderson48 min
Apr 26, 8:57 PM CDTTornado WarningFWDMcLennan48 min
Apr 26, 9:10 PM CDTTornado WarningFWDLimestone50 min
Apr 26, 9:20 PM CDTTornado WarningFWDFalls40 min
Apr 26, 9:28 PM CDTSevere Thunderstorm WarningFWDHunt, Kaufman35 min
Apr 26, 9:43 PM CDTSevere Thunderstorm WarningFWDMcLennan21 min
Apr 26, 9:48 PM CDTTornado WarningFWDLeon42 min
Apr 26, 9:51 PM CDTSevere Thunderstorm WarningFWDAnderson54 min
Apr 26, 9:54 PM CDTSevere Thunderstorm WarningFWDHopkins, Rains37 min
Apr 26, 9:56 PM CDTTornado WarningFWDLeon, Limestone, Robertson49 min
Apr 26, 9:59 PM CDTSevere Thunderstorm WarningFWDFalls38 min
Apr 26, 10:03 PM CDTSpecial Weather StatementFWDFreestone27 min
Apr 26, 10:17 PM CDTSevere Thunderstorm WarningFWDDelta, Hopkins27 min
Apr 26, 10:27 PM CDTSevere Thunderstorm WarningFWDLeon48 min
Apr 26, 10:41 PM CDTSevere Thunderstorm WarningFWDLimestone34 min
Apr 26, 10:41 PM CDTTornado WarningFWDLeon, Robertson49 min
Apr 26, 10:49 PM CDTSpecial Weather StatementFWDFalls26 min
Apr 26, 11:11 PM CDTSevere Thunderstorm WarningFWDLeon, Limestone, Robertson41 min
Apr 26, 11:20 PM CDTSevere Thunderstorm WarningFWDLeon55 min
Apr 26, 11:38 PM CDTTornado WarningFWDLeon33 min
Apr 27, 4:20 AM CDTFire Weather WatchFWDBell, Bosque, Comanche, Cooke, Coryell, Denton and 20 more35 hr

Nearby

Tornado Warnings in Texas, 2011Every tornado warning in 2011Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.