Alert archive / Texas / Mesoscale Discussions in 2026

Mesoscale Discussion 910

May 30, 202610 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 30, 2026, 5:31 PM CDT for 10 counties in Texas. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: May 30, 2026, 5:31 PM CDT (22:31 UTC)
Expired: May 30, 2026, 7:30 PM CDT
In force: 119 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Coke County, TX, Concho County, TX, Crockett County, TX, Irion County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 131 km from the middle of the area, began a volume at 22:33 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

Del Rio, TX (KDRT), launched 12:00Z, 10.5 hours before the alert went out and 145 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: 1724 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 29, 7:28 PM CDT	Mesoscale Discussion	SPC	Andrews, Armstrong, Borden, Briscoe, Carson, Castro and 44 more	62 min
May 29, 9:14 PM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Donley, Gray, Hall, Wheeler	61 min
May 30, 3:47 PM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Cottle, Dickens, Donley, Foard and 10 more	118 min
May 30, 5:47 PM CDT	Severe Thunderstorm Watch	SPC	Childress, Collingsworth, Cottle, Foard, Hardeman, Hemphill and 2 more	2 hr
May 30, 6:53 PM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Cottle, Foard, Hall, Hardeman and 2 more	2 hr

Nearby

Mesoscale Discussions in Texas, 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.