Alert archive / Texas / Mesoscale Discussions in 2024

Mesoscale Discussion 596

May 1, 20244 counties in Oklahoma; 14 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 1, 2024, 7:56 PM CDT for 4 counties in Oklahoma; 14 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: May 1, 2024, 7:56 PM CDT (00:56 UTC)
Expired: May 1, 2024, 9:30 PM CDT
In force: 94 min
Issued by: the Storm Prediction Center
Concerning: Tornado watch 171

Counties Beckham County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Briscoe County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Kent County, TX, King County, TX, Motley County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.9 hours before the alert went out and 151 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: 2469 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 374 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 31.9

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 1, 10:24 PM CDT	Mesoscale Discussion	SPC	Comanche, Cotton, Greer, Jackson, Kiowa, Tillman and 1 more	2 hr
May 1, 10:42 PM CDT	Severe Thunderstorm Watch	SPC	Caddo, Carter, Cleveland, Comanche, Cotton, Garvin and 12 more	5 hr
May 2, 1:42 PM CDT	Mesoscale Discussion	SPC	Canadian, Cleveland, Craig, Creek, Delaware, Garfield and 20 more	2 hr
May 2, 6:08 PM CDT	Mesoscale Discussion	SPC	Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 14 more	2 hr
May 1, 7:12 PM CDT	Mesoscale Discussion	SPC	Bastrop, Bell, Bexar, Blanco, Bosque, Brazos and 34 more	2 hr
May 1, 7:46 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Austin, Bastrop, Bell, Blanco, Brazos and 29 more	8 hr
May 1, 10:21 PM CDT	Mesoscale Discussion	SPC	Bastrop, Bell, Blanco, Brazos, Burleson, Burnet and 24 more	114 min
May 2, 12:58 AM CDT	Mesoscale Discussion	SPC	Austin, Bastrop, Bell, Blanco, Brazos, Burleson and 19 more	92 min
May 2, 5:54 AM CDT	Mesoscale Discussion	SPC	Chambers, Grimes, Hardin, Jasper, Jefferson, Liberty and 7 more	96 min
May 2, 2:07 PM CDT	Mesoscale Discussion	SPC	Baylor, Callahan, Cottle, Fisher, Foard, Haskell and 9 more	2 hr
May 2, 3:05 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Brown, Callahan, Coke, Coleman and 27 more	9 hr
May 2, 5:35 PM CDT	Mesoscale Discussion	SPC	Bandera, Baylor, Brown, Callahan, Coleman, Concho and 25 more	85 min

Nearby

Mesoscale Discussions in Texas, 2024 Mesoscale Discussions in Oklahoma, 2024 Every mesoscale discussion 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.