Alert archive / Texas / Tornado Watches in 2015

Tornado Watch 119

April 26, 201533 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 26, 2015, 1:06 PM CDT for 33 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 26, 2015, 1:06 PM CDT (18:06 UTC)
Expired
Apr 26, 2015, 8:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 33 counties

Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Childress County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Cottle County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, King County, TX, Knox County, TX, McCulloch County, TX, Nolan County, TX, Palo Pinto County, TX, Runnels County, TX, San Saba County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
40%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

59 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 26, 1:21 PM CDTSevere Thunderstorm WarningSJTFisher, Jones39 min
Apr 26, 1:22 PM CDTSevere Thunderstorm WarningOUNFoard, Knox53 min
Apr 26, 1:29 PM CDTSevere Thunderstorm WarningLUBKing46 min
Apr 26, 1:41 PM CDTSevere Thunderstorm WarningSJTCallahan, Coleman, Runnels, Taylor49 min
Apr 26, 1:50 PM CDTTornado WarningSJTJones25 min
Apr 26, 1:57 PM CDTSevere Thunderstorm WarningSJTHaskell48 min
Apr 26, 1:58 PM CDTSevere Thunderstorm WarningOUNFoard, Hardeman29 min
Apr 26, 2:05 PM CDTSevere Thunderstorm WarningLUBCottle40 min
Apr 26, 2:09 PM CDTSevere Thunderstorm WarningSJTHaskell, Jones, Shackelford, Throckmorton66 min
Apr 26, 2:17 PM CDTTornado WarningSJTJones, Shackelford28 min
Apr 26, 2:32 PM CDTTornado WarningSJTBrown, Callahan, Coleman43 min
Apr 26, 2:37 PM CDTSevere Thunderstorm WarningSJTHaskell23 min
Apr 26, 2:40 PM CDTSevere Thunderstorm WarningLUBCottle, Motley65 min
Apr 26, 2:42 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland63 min
Apr 26, 2:43 PM CDTTornado WarningSJTJones, Shackelford47 min
Apr 26, 2:49 PM CDTTornado Warning Tornado observedSJTBrown, Coleman26 min
Apr 26, 3:02 PM CDTSevere Thunderstorm WarningLUBChildress19 min
Apr 26, 3:07 PM CDTTornado WarningSJTBrown23 min
Apr 26, 3:09 PM CDTSevere Thunderstorm WarningSJTHaskell, Jones51 min
Apr 26, 3:11 PM CDTSevere Thunderstorm WarningSJTHaskell, Shackelford, Throckmorton49 min
Apr 26, 3:17 PM CDTTornado WarningFWDComanche43 min
Apr 26, 3:21 PM CDTTornado Warning Tornado observedSJTBrown24 min
Apr 26, 3:34 PM CDTSevere Thunderstorm WarningSJTJones41 min
Apr 26, 3:37 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton53 min
Apr 26, 3:44 PM CDTSevere Thunderstorm WarningSJTHaskell, Throckmorton46 min
Apr 26, 3:45 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland, Erath60 min
Apr 26, 3:47 PM CDTFlash Flood WarningSJTFisher, Haskell, Jones, Shackelford, Throckmorton3 hr
Apr 26, 3:56 PM CDTTornado Warning Tornado observedConsiderable damage threatFWDComanche49 min
Apr 26, 3:57 PM CDTSevere Thunderstorm WarningSJTHaskell, Jones, Shackelford, Throckmorton48 min
Apr 26, 4:15 PM CDTTornado WarningFWDErath45 min
Apr 26, 4:44 PM CDTSevere Thunderstorm WarningFWDErath46 min
Apr 26, 4:47 PM CDTSevere Thunderstorm WarningSJTHaskell, Jones, Shackelford58 min
Apr 26, 4:52 PM CDTSevere Thunderstorm WarningSJTHaskell53 min
Apr 26, 4:54 PM CDTSevere Thunderstorm WarningSJTThrockmorton37 min
Apr 26, 4:54 PM CDTSevere Thunderstorm WarningSJTBrown, Callahan36 min
Apr 26, 5:03 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland57 min
Apr 26, 5:27 PM CDTSevere Thunderstorm WarningFWDBosque, Erath, Hood, Somervell63 min
Apr 26, 5:34 PM CDTSevere Thunderstorm WarningOUNKnox26 min
Apr 26, 5:38 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens27 min
Apr 26, 5:38 PM CDTSevere Thunderstorm WarningSJTHaskell, Jones, Shackelford, Throckmorton67 min
Apr 26, 5:49 PM CDTSevere Thunderstorm WarningSJTNolan, Taylor41 min
Apr 26, 5:58 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland, Erath62 min
Apr 26, 6:03 PM CDTSevere Thunderstorm WarningLUBDickens, King30 min
Apr 26, 6:08 PM CDTSevere Thunderstorm WarningLUBCottle, Hall, Motley24 min
Apr 26, 6:18 PM CDTTornado WarningFWDErath27 min
Apr 26, 6:18 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton57 min
Apr 26, 6:34 PM CDTSevere Thunderstorm WarningSJTJones, Taylor41 min
Apr 26, 6:37 PM CDTSevere Thunderstorm WarningFWDEastland38 min
Apr 26, 6:39 PM CDTTornado WarningFWDErath, Hood, Somervell36 min
Apr 26, 6:39 PM CDTSevere Thunderstorm WarningOUNHardeman51 min
Apr 26, 6:42 PM CDTSevere Thunderstorm WarningSJTBrown, Coleman28 min
Apr 26, 6:50 PM CDTSevere Thunderstorm WarningFWDErath, Hood, Somervell40 min
Apr 26, 6:55 PM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Stephens, Young65 min
Apr 26, 7:08 PM CDTTornado Warning Tornado observedFWDErath, Hood, Somervell37 min
Apr 26, 7:09 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Parker23 min
Apr 26, 7:16 PM CDTSevere Thunderstorm WarningFWDComanche, Erath44 min
Apr 26, 7:23 PM CDTSevere Thunderstorm WarningFWDEastland, Erath, Palo Pinto, Stephens37 min
Apr 26, 7:54 PM CDTSevere Thunderstorm WarningFWDErath, Hood, Somervell66 min
Apr 26, 7:57 PM CDTSevere Thunderstorm WarningFWDEastland, Erath, Palo Pinto, Stephens63 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 6.1 hours before the alert went out and 212 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 2015-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 12:00Z on 2015-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3257 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
128 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.

226 
WWUS20 KWNS 261804
SEL9  
SPC WW 261804
TXZ000-270100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 119
NWS STORM PREDICTION CENTER NORMAN OK
105 PM CDT SUN APR 26 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHWEST AND WEST-CENTRAL TEXAS

* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 105 PM UNTIL
  800 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
    INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...THUNDERSTORMS FORMING ALONG THE DRYLINE ARE EXPECTED TO
BECOME SUPERCELLS AS THEY MOVE NORTHEAST ACROSS THE WATCH AREA. 
LARGE HAIL WILL BE THE PRIMARY HAZARD INITIALLY WITH AN INCREASING
RISK FOR A FEW TORNADOES AS THE AFTERNOON PROGRESSES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES WEST NORTHWEST OF
WICHITA FALLS TEXAS TO 20 MILES SOUTHWEST OF BROWNWOOD TEXAS. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22030.


...MEAD

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 10:55 AM CDTMesoscale DiscussionSPCArcher, Baylor, Bosque, Brown, Callahan, Clay and 30 more2 hr
Apr 26, 2:04 PM CDTMesoscale DiscussionSPCCollingsworth2 hr
Apr 26, 2:52 PM CDTSevere Thunderstorm WatchSPCCollingsworth, Donley, Wheeler5 hr
Apr 26, 2:54 PM CDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 27 more2 hr
Apr 26, 3:18 PM CDTMesoscale DiscussionSPCArmstrong, Carson, Dallam, Hartley, Moore, Potter117 min
Apr 26, 4:54 PM CDTTornado WatchSPCBell, Bosque, Comanche, Coryell, Dallas, Eastland and 17 more6 hr
Apr 26, 5:24 PM CDTMesoscale DiscussionSPCBrazoria, Chambers, Fort Bend, Galveston, Harris, Wharton96 min
Apr 26, 5:39 PM CDTTornado WatchSPCBrazoria, Fort Bend, Galveston, Harris, Jackson, Matagorda and 1 more2 hr
Apr 26, 5:51 PM CDTMesoscale DiscussionSPCBrown, Coleman, Comanche, Eastland, Erath, Hamilton84 min
Apr 26, 6:44 PM CDTMesoscale DiscussionSPCBrown, Coleman, Concho, Kimble, McCulloch, Mason and 2 more2 hr

Nearby

Tornado Watches in Texas, 2015Every tornado watch in 2015

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.