Alert archive / Texas / Mesoscale Discussions in 2026

Mesoscale Discussion 652

May 6, 20266 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 6, 2026, 8:19 AM CDT for 6 counties in Texas. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued: May 6, 2026, 8:19 AM CDT (13:19 UTC)
Expired: May 6, 2026, 9:15 AM CDT
In force: 56 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

Counties Blanco County, TX, Burnet County, TX, Gillespie County, TX, Kimble County, TX, Llano County, TX, Mason County, TX

The radar

The Austin/San Antonio radar (KEWX), 124 km from the middle of the area, began a volume at 13:21 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 185May 6, 8:30 AM CDT

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 1.3 hours before the alert went out and 245 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: 2721 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 513 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 12.9

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 6, 12:54 AM CDT	Mesoscale Discussion	SPC	Bowie, Lamar, Red River	2 hr
May 6, 5:18 AM CDT	Mesoscale Discussion	SPC	Bandera, Blanco, Burnet, Concho, Crockett, Edwards and 14 more	2 hr
May 6, 8:32 AM CDT	Severe Thunderstorm Watch	SPC	Bandera, Bastrop, Bell, Blanco, Burnet, Caldwell and 17 more	2 hr
May 6, 2:14 PM CDT	Tornado Watch	SPC	Jasper, Newton, Sabine	9 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.