Alert archive / Texas / Mesoscale Discussions in 2025

Mesoscale Discussion 628

April 30, 202511 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 30, 2025, 7:19 PM CDT for 11 counties in Texas. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Apr 30, 2025, 7:19 PM CDT (00:19 UTC)
Expired: Apr 30, 2025, 8:45 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center
Concerning: Tornado watch 198

Counties Anderson County, TX, Bell County, TX, Cherokee County, TX, Falls County, TX, Freestone County, TX, Houston County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Milam County, TX, Robertson County, TX

The radar

The Ft Hood radar (KGRK), 117 km from the middle of the area, began a volume at 00:21 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 202Apr 30, 7:50 PM CDT

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.3 hours before the alert went out and 181 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 926 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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
Apr 30, 7:49 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Angelina, Bell, Brazos, Burleson, Cherokee and 15 more	4 hr
Apr 30, 11:10 PM CDT	Mesoscale Discussion	SPC	Angelina, Brazos, Burleson, Grimes, Houston, Lee and 7 more	95 min
May 1, 2:03 PM CDT	Mesoscale Discussion	SPC	Bandera, Bell, Burleson, Burnet, Coryell, Edwards and 10 more	117 min
May 1, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	Bastrop, Bell, Brazos, Burleson, Burnet, Coryell and 17 more	9 hr
May 1, 4:42 PM CDT	Severe Thunderstorm Watch	SPC	Bandera, Blanco, Crockett, Dimmit, Edwards, Frio and 15 more	7 hr
May 1, 5:29 PM CDT	Mesoscale Discussion	SPC	Armstrong, Carson, Dallam, Deaf Smith, Gray, Hansford and 8 more	2 hr
May 1, 5:48 PM CDT	Mesoscale Discussion	SPC	Bandera, Bell, Blanco, Brazos, Burleson, Burnet and 18 more	87 min
May 1, 6:01 PM CDT	Severe Thunderstorm Watch	SPC	Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 19 more	7 hr

Nearby

Mesoscale Discussions in Texas, 2025 Every mesoscale discussion in 2025

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.