Alert archive / Texas / Tornado Watches in 2015

Tornado Watch 293

June 12, 201551 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 12, 2015, 2:47 PM CDT for 51 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 12, 2015, 2:47 PM CDT (19:47 UTC)
Expired
Jun 12, 2015, 10:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 51 counties

Andrews County, TX, Armstrong County, TX, Bailey County, TX, Borden County, TX, Brewster County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crane County, TX, Crosby County, TX, Dawson County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Ector County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Howard County, TX, Kent County, TX, King County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Parmer County, TX, Pecos County, TX, Potter County, TX, Randall County, TX, Reagan County, TX, Reeves County, TX, Scurry County, TX, Stonewall County, TX, Swisher County, TX, Terrell County, TX, Terry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 67 km from the middle of the area, began a volume at 19:47 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 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
60%
One or more hailstones of 2 inches or more
60%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 12, 2:52 PM CDTSevere Thunderstorm WarningLUBBailey, Parmer38 min
Jun 12, 3:21 PM CDTSevere Thunderstorm WarningAMADeaf Smith54 min
Jun 12, 3:23 PM CDTTornado Warning Tornado observedAMADeaf Smith17 min
Jun 12, 3:25 PM CDTSevere Thunderstorm WarningLUBBailey, Lamb, Parmer50 min
Jun 12, 3:28 PM CDTSevere Thunderstorm WarningLUBCastro, Parmer47 min
Jun 12, 3:36 PM CDTSevere Thunderstorm WarningLUBCochran, Yoakum24 min
Jun 12, 3:49 PM CDTSevere Thunderstorm WarningLUBYoakum26 min
Jun 12, 3:50 PM CDTSevere Thunderstorm WarningMAFPecos55 min
Jun 12, 4:04 PM CDTSevere Thunderstorm WarningAMACollingsworth28 min
Jun 12, 4:12 PM CDTSevere Thunderstorm WarningLUBBailey, Castro, Lamb, Parmer48 min
Jun 12, 4:15 PM CDTSevere Thunderstorm WarningLUBYoakum30 min
Jun 12, 4:15 PM CDTSevere Thunderstorm WarningLUBCastro45 min
Jun 12, 4:24 PM CDTSevere Thunderstorm WarningMAFCrane, Upton51 min
Jun 12, 4:41 PM CDTSevere Thunderstorm WarningLUBCochran, Hockley, Terry, Yoakum34 min
Jun 12, 4:43 PM CDTSevere Thunderstorm WarningLUBChildress17 min
Jun 12, 4:43 PM CDTSevere Thunderstorm WarningLUBYoakum32 min
Jun 12, 4:43 PM CDTSevere Thunderstorm WarningMAFPecos18 min
Jun 12, 4:48 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Winkler42 min
Jun 12, 4:57 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran, Hockley, Lamb48 min
Jun 12, 4:59 PM CDTSevere Thunderstorm WarningLUBCastro, Swisher46 min
Jun 12, 4:59 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell44 min
Jun 12, 5:02 PM CDTSevere Thunderstorm WarningLUBChildress, Hall43 min
Jun 12, 5:14 PM CDTSevere Thunderstorm WarningMAFCrane, Ector, Midland, Upton46 min
Jun 12, 5:15 PM CDTSevere Thunderstorm WarningLUBTerry, Yoakum30 min
Jun 12, 5:16 PM CDTSevere Thunderstorm WarningLUBHockley, Terry29 min
Jun 12, 5:24 PM CDTSevere Thunderstorm WarningLUBCastro, Hale, Lamb, Swisher51 min
Jun 12, 5:29 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector46 min
Jun 12, 5:35 PM CDTSevere Thunderstorm WarningMAFGaines55 min
Jun 12, 5:44 PM CDTSevere Thunderstorm WarningLUBTerry, Yoakum31 min
Jun 12, 5:44 PM CDTTornado WarningMAFEctor25 min
Jun 12, 5:47 PM CDTSevere Thunderstorm WarningLUBHockley, Terry28 min
Jun 12, 5:47 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran28 min
Jun 12, 5:50 PM CDTSevere Thunderstorm WarningAMAArmstrong38 min
Jun 12, 5:50 PM CDTSevere Thunderstorm WarningMAFGaines55 min
Jun 12, 5:54 PM CDTSevere Thunderstorm WarningLUBHale, Swisher36 min
Jun 12, 5:56 PM CDTFlash Flood WarningMAFEctor, Midland4 hr
Jun 12, 6:00 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Martin, Midland45 min
Jun 12, 6:12 PM CDTSevere Thunderstorm WarningLUBCochran48 min
Jun 12, 6:15 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock30 min
Jun 12, 6:21 PM CDTSevere Thunderstorm WarningLUBYoakum39 min
Jun 12, 6:28 PM CDTSevere Thunderstorm WarningLUBCrosby, Floyd, Hale, Lubbock30 min
Jun 12, 6:32 PM CDTSevere Thunderstorm WarningMAFDawson, Gaines58 min
Jun 12, 6:40 PM CDTSevere Thunderstorm WarningLUBLynn, Terry35 min
Jun 12, 6:40 PM CDTSevere Thunderstorm WarningMAFEctor, Winkler50 min
Jun 12, 6:42 PM CDTSevere Thunderstorm WarningLUBBriscoe, Crosby, Floyd, Hale, Lubbock, Motley33 min
Jun 12, 6:45 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock30 min
Jun 12, 6:51 PM CDTSevere Thunderstorm WarningMAFMartin54 min
Jun 12, 6:55 PM CDTSevere Thunderstorm WarningLUBChildress50 min
Jun 12, 6:56 PM CDTSevere Thunderstorm WarningLUBHockley34 min
Jun 12, 7:12 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock, Lynn, Terry33 min
Jun 12, 7:13 PM CDTSevere Thunderstorm WarningLUBLynn, Terry32 min
Jun 12, 7:27 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock48 min
Jun 12, 7:27 PM CDTSevere Thunderstorm WarningMAFCrane, Ector45 min
Jun 12, 7:30 PM CDTTornado WarningMAFGaines30 min
Jun 12, 7:31 PM CDTSevere Thunderstorm WarningMAFGaines31 min
Jun 12, 7:33 PM CDTTornado WarningLUBLynn, Terry14 min
Jun 12, 7:44 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock, Lynn, Terry46 min
Jun 12, 8:03 PM CDTSevere Thunderstorm WarningLUBLubbock42 min
Jun 12, 8:11 PM CDTSevere Thunderstorm WarningLUBHockley, Terry49 min
Jun 12, 8:58 PM CDTSevere Thunderstorm WarningLUBLynn, Terry32 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

Midland Regional, TX (KMAF), launched 12:00Z, 7.8 hours before the alert went out and 131 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, Midland Regional, TX at 12:00Z on 2015-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 654 joules per kilogram.LCLLFCEL10008507005003002001001 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, Midland Regional, TX at 12:00Z on 2015-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 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
654 J/kg
Mixed-layer CIN
-367 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
147 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.

302 
WWUS20 KWNS 121945
SEL3  
SPC WW 121945
NMZ000-TXZ000-130300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 293
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT FRI JUN 12 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  FAR EASTERN NEW MEXICO
  WEST TEXAS

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
  1000 PM CDT.

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

SUMMARY...SCATTERED THUNDERSTORMS AND A FEW SUPERCELLS CAPABLE OF
VERY LARGE HAIL AND TORNADOES EXPECTED TO FORM OVER THE TEXAS SOUTH
PLAINS AND ADJACENT FAR EASTERN NEW MEXICO LATER THIS
AFTERNOON...WITH MORE ISOLATED ACTIVITY EXTENDING SOUTH TO THE DAVIS
MOUNTAINS. THE STORMS SHOULD MERGE INTO ONE OR TWO SLOWLY-MOVING
CLUSTERS THAT PERSIST WELL INTO THE EVENING.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH NORTHEAST OF
PLAINVIEW TEXAS TO 45 MILES SOUTH OF FORT STOCKTON TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 290...WW 291...WW 292...

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
600. MEAN STORM MOTION VECTOR 30015.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:10 PM CDTMesoscale DiscussionSPCDallam, Hansford, Hartley, Sherman95 min
Jun 11, 9:48 PM CDTMesoscale DiscussionSPCDallam, Hansford, Hartley, Ochiltree, Sherman87 min
Jun 11, 11:10 PM CDTMesoscale DiscussionSPCDallam, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb and 4 more65 min
Jun 12, 1:44 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Cochran, Crane, Dawson and 17 more2 hr
Jun 12, 3:30 PM CDTMesoscale DiscussionSPCChildress, Cottle, Foard, Hardeman, Wilbarger2 hr
Jun 12, 3:55 PM CDTSevere Thunderstorm WatchSPCFoard, Hardeman, Wilbarger6 hr
Jun 12, 5:39 PM CDTMesoscale DiscussionSPCAndrews, Armstrong, Borden, Briscoe, Castro, Cochran and 30 more96 min
Jun 12, 6:23 PM CDTMesoscale DiscussionSPCFoard, Hardeman, Wichita, Wilbarger97 min

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; radar from the NEXRAD Level II archive.