Alert archive / Texas / Mesoscale Discussions in 2025

Mesoscale Discussion 933

May 22, 202511 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 22, 2025, 4:38 PM CDT for 11 counties in Texas. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued: May 22, 2025, 4:38 PM CDT (21:38 UTC)
Expired: May 22, 2025, 6:15 PM CDT
In force: 97 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 312

Counties Bosque County, TX, Comanche County, TX, Erath County, TX, Hamilton County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Palo Pinto County, TX, Parker County, TX, Somervell County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 83 km from the middle of the area, began a volume at 21:42 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

Norman, OK (KOUN), launched 12:00Z, 9.6 hours before the alert went out and 314 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: 12 J/kg
Mixed-layer CIN: -556 J/kg
Mixed-layer LCL: 1705 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

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 22, 9:37 AM CDT	Mesoscale Discussion	SPC	Cooke, Denton, Fannin, Grayson, Montague	2 hr
May 22, 10:55 AM CDT	Severe Thunderstorm Watch	SPC	Collin, Cooke, Delta, Denton, Fannin, Grayson and 6 more	5 hr
May 22, 12:26 PM CDT	Mesoscale Discussion	SPC	Collin, Cooke, Denton, Grayson, Montague	2 hr
May 22, 1:44 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Haskell, Knox, Wichita, Wilbarger	2 hr
May 22, 2:24 PM CDT	Mesoscale Discussion	SPC	Crosby, Dickens, Floyd, Foard, Garza, Kent and 2 more	2 hr
May 22, 3:04 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Borden, Brown, Callahan, Childress and 49 more	10 hr
May 22, 5:00 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Clay, Cottle, Dickens, Fisher and 18 more	2 hr
May 22, 5:51 PM CDT	Mesoscale Discussion	SPC	Bastrop, Blanco, Burnet, Caldwell, Comal, Gillespie and 7 more	114 min

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.