Alert archive / Texas / Tornado Watches in 2015

Tornado Watch 234

May 28, 20154 counties in New Mexico; 64 counties in Texas

The Storm Prediction Center issued this tornado watch at May 28, 2015, 11:44 AM MDT for 4 counties in New Mexico; 64 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: May 28, 2015, 11:44 AM MDT (17:44 UTC)
Expired: May 28, 2015, 7:00 PM MDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 68 counties

Chaves County, NM, Eddy County, NM, Lea County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Baylor County, TX, Borden County, TX, Brewster County, TX, Callahan County, TX, Cochran County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crockett County, TX, Crosby County, TX, Culberson County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hardeman County, TX, Haskell County, TX, Hockley County, TX, Howard County, TX, Irion County, TX, Jeff Davis County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox 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, Nolan County, TX, Pecos County, TX, Presidio County, TX, Reagan County, TX, Reeves County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Terry County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX, Ward County, TX, Wilbarger County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 35 km from the middle of the area, began a volume at 17:47 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: 50%
One or more hailstones of 2 inches or more: 40%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 28, 12:17 PM MDT	Severe Thunderstorm Warning	LUB	Crosby, Hale, Hockley, Lubbock	43 min
May 28, 12:22 PM MDT	Severe Thunderstorm Warning	MAF	Jeff Davis, Pecos, Reeves	53 min
May 28, 12:30 PM MDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	45 min
May 28, 12:34 PM MDT	Severe Thunderstorm Warning	LUB	Crosby, Dickens	41 min
May 28, 12:38 PM MDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock, Terry	52 min
May 28, 12:40 PM MDT	Severe Thunderstorm Warning	LUB	Dickens	35 min
May 28, 12:41 PM MDT	Flash Flood Warning	LUB	Lubbock	3 hr
May 28, 12:47 PM MDT	Severe Thunderstorm Warning	LUB	Lubbock, Lynn	13 min
May 28, 12:49 PM MDT	Severe Thunderstorm Warning	OUN	Wilbarger	22 min
May 28, 1:03 PM MDT	Severe Thunderstorm Warning	LUB	Cottle, King	42 min
May 28, 1:04 PM MDT	Severe Thunderstorm Warning	LUB	Crosby, Garza, Lubbock, Lynn	41 min
May 28, 1:15 PM MDT	Severe Thunderstorm Warning	LUB	Crosby, Dickens, King	45 min
May 28, 1:27 PM MDT	Severe Thunderstorm Warning	MAF	Pecos, Reeves, Ward	63 min
May 28, 1:29 PM MDT	Severe Thunderstorm Warning	LUB	Cochran, Hale, Hockley, Lamb, Lubbock	46 min
May 28, 1:29 PM MDT	Severe Thunderstorm Warning	OUN	Foard	61 min
May 28, 1:35 PM MDT	Severe Thunderstorm Warning	LUB	Garza, Hockley, Lubbock, Lynn, Terry	40 min
May 28, 1:44 PM MDT	Severe Thunderstorm Warning	LUB	Crosby	16 min
May 28, 1:49 PM MDT	Severe Thunderstorm Warning	LUB	Dickens, King	41 min
May 28, 1:57 PM MDT	Severe Thunderstorm Warning	LUB	Dickens, Kent	33 min
May 28, 2:05 PM MDT	Severe Thunderstorm Warning	LUB	Garza, Lynn	40 min
May 28, 2:06 PM MDT	Tornado Warning	OUN	Foard, Hardeman	24 min
May 28, 2:20 PM MDT	Severe Thunderstorm Warning	LUB	Hale, Hockley, Lubbock	40 min
May 28, 2:24 PM MDT	Severe Thunderstorm Warning	MAF	Pecos, Reeves	66 min
May 28, 2:27 PM MDT	Severe Thunderstorm Warning	LUB	Kent	14 min
May 28, 2:28 PM MDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	47 min
May 28, 2:30 PM MDT	Severe Thunderstorm Warning	MAF	Borden, Dawson	45 min
May 28, 2:34 PM MDT	Severe Thunderstorm Warning	OUN	Foard, Knox	41 min
May 28, 2:40 PM MDT	Tornado Warning Tornado observed	MAF	Borden	35 min
May 28, 2:44 PM MDT	Severe Thunderstorm Warning	LUB	Garza, Lynn	46 min
May 28, 3:00 PM MDT	Tornado Warning Tornado observed	MAF	Borden	30 min
May 28, 3:12 PM MDT	Severe Thunderstorm Warning	OUN	Baylor, Foard, Hardeman, Knox, Wilbarger	63 min
May 28, 3:14 PM MDT	Severe Thunderstorm Warning	LUB	Cochran, Hockley, Terry, Yoakum	46 min
May 28, 3:17 PM MDT	Flash Flood Warning	MAF	Ector	3 hr
May 28, 3:23 PM MDT	Severe Thunderstorm Warning	LUB	Stonewall	30 min
May 28, 3:27 PM MDT	Severe Thunderstorm Warning	MAF	Borden, Scurry	48 min
May 28, 3:33 PM MDT	Severe Thunderstorm Warning	SJT	Haskell	42 min
May 28, 3:36 PM MDT	Flash Flood Warning	MAF	Borden, Scurry	3 hr
May 28, 3:48 PM MDT	Severe Thunderstorm Warning	MAF	Borden, Dawson	42 min
May 28, 3:52 PM MDT	Severe Thunderstorm Warning	SJT	Haskell, Jones, Shackelford, Throckmorton	38 min
May 28, 4:00 PM MDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Wichita, Wilbarger	45 min
May 28, 4:03 PM MDT	Severe Thunderstorm Warning	LUB	Cochran, Hockley, Lamb, Terry, Yoakum	42 min
May 28, 4:05 PM MDT	Severe Thunderstorm Warning	MAF	Crane, Pecos, Upton	55 min
May 28, 4:27 PM MDT	Severe Thunderstorm Warning	SJT	Haskell, Jones, Shackelford, Throckmorton	48 min
May 28, 4:33 PM MDT	Severe Thunderstorm Warning	MAF	Pecos	57 min
May 28, 4:33 PM MDT	Severe Thunderstorm Warning	MAF	Borden, Dawson	20 min
May 28, 4:38 PM MDT	Severe Thunderstorm Warning	LUB	Cochran, Hockley, Yoakum	37 min
May 28, 4:40 PM MDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Wichita, Wilbarger	50 min
May 28, 4:42 PM MDT	Flash Flood Warning	MAF	Crane, Pecos, Upton	3 hr
May 28, 4:50 PM MDT	Severe Thunderstorm Warning	LUB	Cochran, Hockley, Terry, Yoakum	40 min
May 28, 4:58 PM MDT	Severe Thunderstorm Warning	OUN	Wilbarger	47 min
May 28, 5:02 PM MDT	Severe Thunderstorm Warning	ABQ	Chaves	29 min
May 28, 5:27 PM MDT	Flash Flood Warning	SJT	Throckmorton	2 hr
May 28, 5:28 PM MDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos	62 min
May 28, 5:29 PM MDT	Flash Flood Warning	MAF	Howard, Mitchell	3 hr
May 28, 5:31 PM MDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock, Lynn, Terry	29 min
May 28, 5:33 PM MDT	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	42 min
May 28, 5:41 PM MDT	Severe Thunderstorm Warning	SJT	Crockett	64 min
May 28, 5:44 PM MDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Sterling, Taylor	46 min
May 28, 5:54 PM MDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman, Runnels, Shackelford, Taylor	51 min
May 28, 5:56 PM MDT	Severe Thunderstorm Warning	ABQ	Curry, Roosevelt	49 min
May 28, 6:09 PM MDT	Flash Flood Warning	SJT	Callahan, Nolan, Taylor	3 hr
May 28, 6:19 PM MDT	Severe Thunderstorm Warning	SJT	Irion, Schleicher, Sterling, Tom Green	41 min
May 28, 6:41 PM MDT	Flash Flood Warning	SJT	Coke, Irion, Runnels, Tom Green	3 hr
May 28, 6:43 PM MDT	Severe Thunderstorm Warning	LUB	Bailey	32 min
May 28, 6:45 PM MDT	Severe Thunderstorm Warning	ABQ	Roosevelt	15 min
May 28, 6:52 PM MDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coke, Coleman, Concho, Runnels and 2 more	38 min
May 28, 6:58 PM MDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Schleicher, Tom Green	47 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, 5.7 hours before the alert went out and 34 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2845 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 10:45 AM MDT	Mesoscale Discussion	SPC	Eddy, Lea	90 min
May 28, 1:18 PM MDT	Severe Thunderstorm Watch	SPC	Colfax, Union	7 hr
May 28, 2:42 PM MDT	Mesoscale Discussion	SPC	Chaves, Eddy, Lea	63 min
May 28, 1:50 AM MDT	Mesoscale Discussion	SPC	Archer, Clay, Cooke, Foard, Grayson, Montague and 2 more	2 hr
May 28, 1:04 PM MDT	Mesoscale Discussion	SPC	Atascosa, Austin, Bastrop, Bee, Bell, Bexar and 30 more	56 min
May 28, 1:56 PM MDT	Mesoscale Discussion	SPC	Archer, Bosque, Brown, Callahan, Clay, Coleman and 25 more	94 min
May 28, 2:26 PM MDT	Severe Thunderstorm Watch	SPC	Archer, Bell, Bosque, Brown, Clay, Coleman and 44 more	8 hr
May 28, 4:33 PM MDT	Mesoscale Discussion	SPC	Dallam, Hansford, Lipscomb, Ochiltree, Sherman	87 min
May 28, 5:57 PM MDT	Mesoscale Discussion	SPC	Bandera, Bexar, Blanco, Coke, Comal, Concho and 28 more	2 hr

Nearby

Tornado Watches in Texas, 2015 Tornado Watches in New Mexico, 2015 Every 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.