Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 61, NWS Fort Worth, TX

April 26, 2011Freestone County, Navarro County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 26, 2011, 7:12 PM CDT for Freestone County, Navarro County, Texas. It was in force for 48 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, 7:12 PM CDT (00:12 UTC)
Expired
Apr 26, 2011, 8:00 PM CDT
In force
48 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Freestone County, TX, Navarro County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 124 km from the middle of the area, began a volume at 00:14 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, 0.2 hours before the alert went out and 139 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.

502 
WFUS54 KFWD 270012
TORFWD
TXC161-349-270100-
/O.NEW.KFWD.TO.W.0061.110427T0012Z-110427T0100Z/

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

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FREESTONE COUNTY IN NORTH CENTRAL TEXAS...
  EASTERN NAVARRO COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL 800 PM CDT

* AT 712 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  DEVELOPING TORNADO NEAR CORSICANA...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  NAVARRO...MILDRED AND POWELL AROUND 720 PM CDT...
  EUREKA...STREETMAN...GOODLOW AND KERENS AROUND 730 PM CDT...
  FAIRFIELD LAKE STATE PARK AROUND 755 PM CDT...

THIS WILL IMPACT I-45 BETWEEN MILE MARKERS 202 AND 238.

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.

IN ADDITION TO TORNADOES...LARGE HAIL AND DAMAGING WINDS ARE LIKELY
WITH THIS STORM.

&&

LAT...LON 3176 9597 3177 9625 3184 9643 3196 9658
      3214 9653 3225 9645 3226 9627 3221 9615
      3218 9617 3217 9615 3216 9611 3210 9611
      3209 9606 3196 9605 3193 9600 3188 9602
      3188 9596 3185 9599
TIME...MOT...LOC 0012Z 286DEG 28KT 3202 9644

$$


92
3 follow-up statements
341 
WWUS54 KFWD 270022
SVSFWD

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

TXC161-349-270100-
/O.CON.KFWD.TO.W.0061.000000T0000Z-110427T0100Z/
NAVARRO TX-FREESTONE TX-
722 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTHERN
FREESTONE AND EASTERN NAVARRO COUNTIES...

AT 722 PM CDT...STORM SPOTTERS AND DOPPLER RADAR OBSERVED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED NEAR MUSTANG...MOVING
EAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  MILDRED AND POWELL AROUND 730 PM CDT...
  STREETMAN AROUND 735 PM CDT...
  EUREKA AROUND 740 PM CDT...
  GOODLOW AND KERENS AROUND 745 PM CDT...

THIS WILL IMPACT I-45 BETWEEN MILE MARKERS 203 AND 236.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3185 9599 3176 9597 3177 9625 3184 9643
      3199 9649 3214 9651 3224 9642 3226 9627
      3221 9616 3218 9617 3216 9611 3210 9611
      3209 9606 3196 9605 3193 9600 3188 9602
      3188 9596
TIME...MOT...LOC 0022Z 279DEG 22KT 3205 9640

$$
396 
WWUS54 KFWD 270038
SVSFWD

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

TXC161-349-270100-
/O.CON.KFWD.TO.W.0061.000000T0000Z-110427T0100Z/
NAVARRO TX-FREESTONE TX-
738 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTHERN
FREESTONE AND EASTERN NAVARRO COUNTIES...

AT 739 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED 3 MILES EAST OF
EUREKA...MOVING EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  FAIRFIELD LAKE STATE PARK AROUND 800 PM CDT...

THIS WILL IMPACT I-45 BETWEEN MILE MARKERS 203 AND 232.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3185 9599 3176 9597 3177 9625 3199 9645
      3210 9647 3218 9641 3226 9627 3221 9616
      3218 9617 3216 9611 3210 9611 3209 9606
      3196 9605 3193 9600 3188 9602 3188 9596
TIME...MOT...LOC 0039Z 280DEG 29KT 3200 9621

$$
365 
WWUS54 KFWD 270050
SVSFWD

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

TXC161-349-270100-
/O.CON.KFWD.TO.W.0061.000000T0000Z-110427T0100Z/
NAVARRO TX-FREESTONE TX-
750 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTH
CENTRAL FREESTONE AND EAST CENTRAL NAVARRO COUNTIES...

AT 749 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED OVER EAST CENTRAL 
NAVARRO COUNTY 7 MILES EAST OF EUREKA...MOVING EAST AT 20 MPH.

THE TORNADO WILL AFFECT...
  RURAL NORTHERN FREESTONE COUNTY THROUGH 800 PM CDT
  RURAL EASTERN NAVARRO COUNTY THROUGH 800 PM CDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3190 9601 3188 9603 3188 9605 3193 9626
      3202 9624 3216 9611 3210 9611 3209 9606
      3203 9606 3196 9605 3193 9600
TIME...MOT...LOC 0049Z 272DEG 19KT 3200 9614

$$

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, 7:43 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, 9:07 PM CDTTornado WarningFWDFreestone, Leon53 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.