Alert archive / Texas / Mesoscale Discussions in 2026

Mesoscale Discussion 839

May 23, 2026Brazoria County, Calhoun County, Matagorda County, Texas

The Storm Prediction Center issued this mesoscale discussion at May 23, 2026, 1:33 PM CDT for Brazoria County, Calhoun County, Matagorda County, Texas. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: May 23, 2026, 1:33 PM CDT (18:33 UTC)
Expired: May 23, 2026, 3:30 PM CDT
In force: 117 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Brazoria County, TX, Calhoun County, TX, Matagorda County, TX

The radar

The Houston radar (KHGX), 126 km from the middle of the area, began a volume at 18:34 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 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 22, 7:30 PM CDT	Mesoscale Discussion	SPC	Coke, Concho, Edwards, Irion, Kimble, Menard and 5 more	90 min
May 22, 7:59 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Childress, Cottle, Fisher, Foard and 14 more	91 min
May 22, 11:56 PM CDT	Mesoscale Discussion	SPC	Bosque, Cooke, Coryell, Denton, Erath, Hamilton and 10 more	3 hr
May 23, 2:00 AM CDT	Mesoscale Discussion	SPC	Aransas, Bee, Calhoun, Colorado, DeWitt, Goliad and 5 more	2 hr
May 23, 9:20 AM CDT	Mesoscale Discussion	SPC	Jasper, Newton, Sabine, San Augustine	115 min
May 23, 3:02 PM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Coke, Crane, Crockett, Dawson and 15 more	118 min
May 23, 3:39 PM CDT	Mesoscale Discussion	SPC	Armstrong, Bailey, Briscoe, Carson, Castro, Collingsworth and 26 more	2 hr
May 23, 5:07 PM CDT	Severe Thunderstorm Watch	SPC	Armstrong, Bailey, Briscoe, Carson, Castro, Cochran and 27 more	6 hr
May 23, 6:16 PM CDT	Mesoscale Discussion	SPC	Carson, Dallam, Hartley, Hutchinson, Moore, Oldham and 2 more	89 min

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; radar from the NEXRAD Level II archive.