Alert archive / Texas / Mesoscale Discussions in 2025

Mesoscale Discussion 656

May 2, 202561 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 2, 2025, 3:44 PM CDT for 61 counties in Texas. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
May 2, 2025, 3:44 PM CDT (20:44 UTC)
Expired
May 2, 2025, 5:15 PM CDT
In force
91 min
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 212...215
All 61 counties

Atascosa County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Colorado County, TX, Comal County, TX, Coryell County, TX, DeWitt County, TX, Edwards County, TX, Falls County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Harris County, TX, Hays County, TX, Houston County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, Mason County, TX, Maverick County, TX, McLennan County, TX, Medina County, TX, Milam County, TX, Montgomery County, TX, Polk County, TX, Real County, TX, Robertson County, TX, San Jacinto County, TX, San Saba County, TX, Sutton County, TX, Travis County, TX, Trinity County, TX, Uvalde County, TX, Val Verde County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 31 km from the middle of the area, began a volume at 20:46 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.7 hours before the alert went out and 243 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-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2025-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2406 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2025-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2406 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
333 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.5

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.

IssuedProductOfficeCountiesLasted
May 1, 9:14 PM CDTMesoscale DiscussionSPCHardeman91 min
May 1, 11:00 PM CDTSevere Thunderstorm WatchSPCClay, Cooke, Fannin, Grayson, Hardeman, Lamar and 3 more8 hr
May 2, 2:03 AM CDTMesoscale DiscussionSPCWichita117 min
May 2, 11:05 AM CDTMesoscale DiscussionSPCAnderson, Angelina, Atascosa, Austin, Bandera, Bastrop and 77 more115 min
May 2, 12:10 PM CDTSevere Thunderstorm WatchSPCAngelina, Cherokee, Hardin, Jasper, Nacogdoches, Newton and 6 more9 hr
May 2, 12:38 PM CDTSevere Thunderstorm WatchSPCAnderson, Austin, Bastrop, Bell, Bexar, Blanco and 54 more9 hr
May 2, 1:23 PM CDTMesoscale DiscussionSPCCrockett, Edwards, Kerr, Kimble, Kinney, Mason and 6 more2 hr
May 2, 1:47 PM CDTMesoscale DiscussionSPCAngelina, Jasper, Newton, Sabine, San Augustine, Tyler118 min
May 2, 2:05 PM CDTMesoscale DiscussionSPCAnderson, Austin, Bastrop, Bell, Bexar, Blanco and 46 more85 min
May 2, 3:10 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Crockett, Dimmit, Edwards, Frio and 10 more8 hr
May 2, 3:54 PM CDTMesoscale DiscussionSPCJasper, Newton, Sabine, San Augustine, Shelby, Tyler96 min
May 2, 5:35 PM CDTMesoscale DiscussionSPCAngelina, Austin, Bastrop, Brazoria, Brazos, Burleson and 36 more115 min

Nearby

Mesoscale Discussions in Texas, 2025Every 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.