Alert archive / Texas / Mesoscale Discussions in 2026

Mesoscale Discussion 1113

June 12, 20264 states

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2026, 8:55 PM CDT for 4 states. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Jun 12, 2026, 8:55 PM CDT (01:55 UTC)
Expired: Jun 12, 2026, 10:30 PM CDT
In force: 95 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 323

Counties Meade County, KS, Morton County, KS, Seward County, KS, Stevens County, KS, Harding County, NM, Beaver County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 122 km from the middle of the area, began a volume at 01:56 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.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.9 hours before the alert went out and 123 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: 1556 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 2141 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

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
Jun 12, 10:52 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Meade, Seward	113 min
Jun 12, 11:12 PM CDT	Mesoscale Discussion	SPC	Decatur, Gove, Graham, Greeley, Lane, Logan and 7 more	2 hr
Jun 12, 11:42 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 17 more	2 hr
Jun 13, 1:06 AM CDT	Severe Thunderstorm Watch	SPC	Butler, Cowley, Harper, Kingman, Sedgwick, Sumner	4 hr
Jun 13, 8:03 AM CDT	Mesoscale Discussion	SPC	Brown, Doniphan	117 min
Jun 13, 1:49 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Clay, Cloud, Coffey and 23 more	116 min
Jun 13, 2:30 PM CDT	Tornado Watch	SPC	Anderson, Atchison, Brown, Chase, Clay, Cloud and 31 more	9 hr
Jun 13, 3:17 PM CDT	Mesoscale Discussion	SPC	Jewell, Smith	118 min
Jun 13, 3:41 PM CDT	Mesoscale Discussion	SPC	Barton, Clark, Comanche, Edwards, Ford, Gray and 10 more	2 hr
Jun 13, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	Jewell, Mitchell, Osborne, Rooks, Smith	5 hr
Jun 13, 5:22 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Barber, Barton, Butler, Chautauqua, Clark and 30 more	8 hr
Jun 13, 5:29 PM CDT	Mesoscale Discussion	SPC	Labette	2 hr
Jun 13, 5:58 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Chase, Clay, Cloud, Coffey and 28 more	92 min
Jun 13, 6:53 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellsworth and 15 more	2 hr
Jun 13, 6:07 PM CDT	Tornado Watch	SPC	Adair, Cherokee, Craig, Delaware, Grant, Kay and 10 more	4 hr

Nearby

Mesoscale Discussions in Texas, 2026 Mesoscale Discussions in Kansas, 2026 Mesoscale Discussions in Oklahoma, 2026 Every mesoscale discussion in 2026

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.