Alert archive / Texas / Tornado Watches in 2024

Tornado Watch 171

May 1, 20248 counties in Oklahoma; 31 counties in Texas

The Storm Prediction Center issued this tornado watch at May 1, 2024, 3:24 PM CDT for 8 counties in Oklahoma; 31 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 1, 2024, 3:24 PM CDT (20:24 UTC)
Expired: May 1, 2024, 11:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 4 in
Strongest gust expected: 65 kt

All 39 counties

Beaver County, OK, Beckham County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Roger Mills County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hemphill County, TX, Hutchinson County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Ochiltree County, TX, Roberts County, TX, Stonewall County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 20:25 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: 60%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 80%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 1, 3:58 PM CDT	Tornado Warning Tornado observed	AMA	Armstrong, Donley	32 min
May 1, 4:01 PM CDT	Severe Thunderstorm Warning	AMA	Donley, Gray, Hemphill, Roberts, Wheeler	35 min
May 1, 4:08 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	67 min
May 1, 4:26 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	64 min
May 1, 4:27 PM CDT	Tornado Warning	AMA	Donley	33 min
May 1, 4:34 PM CDT	Tornado Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	26 min
May 1, 4:48 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	57 min
May 1, 4:55 PM CDT	Tornado Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	50 min
May 1, 5:16 PM CDT	Tornado Warning	AMA	Collingsworth, Donley	29 min
May 1, 5:17 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Floyd	38 min
May 1, 5:26 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	64 min
May 1, 5:30 PM CDT	Tornado Warning	LUB	Briscoe, Hall	30 min
May 1, 5:35 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Floyd, Hall, Motley	55 min
May 1, 5:38 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	23 min
May 1, 5:40 PM CDT	Tornado Warning Tornado observed	AMA	Ochiltree, Roberts	50 min
May 1, 5:43 PM CDT	Severe Thunderstorm Warning	LUB	Garza, Lynn, Terry	32 min
May 1, 5:59 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Floyd	46 min
May 1, 6:09 PM CDT	Severe Thunderstorm Warning	LUB	Lubbock, Lynn	36 min
May 1, 6:15 PM CDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock, Lynn, Terry	45 min
May 1, 6:16 PM CDT	Flash Flood Warning	LUB	Briscoe, Hall	4 hr
May 1, 6:19 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	56 min
May 1, 6:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Armstrong, Donley	52 min
May 1, 6:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Lipscomb, Ochiltree, Roberts	48 min
May 1, 6:28 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LUB	Briscoe, Hall	62 min
May 1, 6:38 PM CDT	Tornado Warning	AMA	Hansford, Ochiltree	37 min
May 1, 6:46 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Floyd, Hale, Lubbock	44 min
May 1, 6:50 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	55 min
May 1, 6:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LUB	Floyd, Hale, Hockley, Lamb, Lubbock	36 min
May 1, 7:02 PM CDT	Flash Flood Warning	LUB	Crosby, Floyd	2 hr
May 1, 7:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Lipscomb, Ochiltree	64 min
May 1, 7:13 PM CDT	Tornado Warning	AMA	Hansford, Ochiltree	47 min
May 1, 7:22 PM CDT	Severe Thunderstorm Warning	LUB	Garza, Lynn	38 min
May 1, 7:26 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Childress, Hall	79 min
May 1, 7:29 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Dickens, Floyd, Hale, Motley	46 min
May 1, 7:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Lipscomb, Ochiltree	67 min
May 1, 7:58 PM CDT	Tornado Warning Tornado observed	LUB	Briscoe, Hall	32 min
May 1, 8:22 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall, Swisher	41 min
May 1, 8:30 PM CDT	Tornado Warning Tornado observed	LUB	Hall	30 min
May 1, 8:35 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	15 min
May 1, 8:37 PM CDT	Tornado Warning	LUB	Hall, Motley	23 min
May 1, 8:45 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Childress, Cottle, Hall, Motley	60 min
May 1, 8:58 PM CDT	Tornado Warning	LUB	Briscoe, Hall, Motley	22 min
May 1, 8:59 PM CDT	Severe Thunderstorm Warning	LUB	Kent, Stonewall	46 min
May 1, 9:18 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	42 min
May 1, 9:24 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	25 min
May 1, 9:28 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Collingsworth, Donley, Gray, Wheeler	47 min
May 1, 9:28 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall	43 min
May 1, 9:56 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	49 min
May 1, 10:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Foard, Knox	39 min
May 1, 10:34 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson, Kiowa, Tillman	56 min
May 1, 10:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Foard, Hardeman, Wilbarger	67 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.4 hours before the alert went out and 80 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3092 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 30, 8:45 PM CDT	Severe Thunderstorm Watch	SPC	Craig, Creek, Mayes, Nowata, Osage, Pawnee and 4 more	3 hr
Apr 30, 9:45 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Garfield, Grant, Kay, Noble, Nowata and 3 more	60 min
Apr 30, 10:27 PM CDT	Tornado Watch	SPC	Cotton, Jefferson, Stephens, Tillman	93 min
Apr 30, 11:40 PM CDT	Mesoscale Discussion	SPC	Cherokee, Delaware, Garfield, Mayes, Noble, Pawnee and 3 more	2 hr
Apr 30, 11:56 PM CDT	Severe Thunderstorm Watch	SPC	Alfalfa, Atoka, Bryan, Canadian, Carter, Cleveland and 29 more	5 hr
May 1, 1:02 AM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Bryan, Caddo, Canadian, Carter and 26 more	88 min
May 1, 2:57 PM CDT	Mesoscale Discussion	SPC	Beaver, Ellis, Harmon, Harper, Texas	2 hr
May 1, 6:07 PM CDT	Mesoscale Discussion	SPC	Harmon	83 min
May 1, 1:10 PM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Brewster, Coke, Crane, Crockett and 15 more	65 min
May 1, 1:27 PM CDT	Severe Thunderstorm Watch	SPC	Andrews, Borden, Brewster, Coke, Crane, Crockett and 20 more	8 hr
May 1, 3:33 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 29 more	87 min
May 1, 3:57 PM CDT	Mesoscale Discussion	SPC	Borden, Brewster, Crane, Crockett, Dawson, Ector and 11 more	93 min
May 1, 6:58 PM CDT	Mesoscale Discussion	SPC	Borden, Dawson, Glasscock, Howard, Martin, Midland and 3 more	62 min

Nearby

Tornado Watches in Texas, 2024 Tornado Watches in Oklahoma, 2024 Every tornado watch in 2024

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.