Alert archive / Texas / Mesoscale Discussions in 2025

Mesoscale Discussion 2174

October 24, 20257 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 24, 2025, 9:33 PM CDT for 7 counties in Texas. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Oct 24, 2025, 9:33 PM CDT (02:33 UTC)
Expired: Oct 24, 2025, 11:30 PM CDT
In force: 117 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 629

Counties Dallas County, TX, Ellis County, TX, Hill County, TX, Johnson County, TX, Navarro County, TX, Rockwall County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 28 km from the middle of the area, began a volume at 02:32 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

Fort Worth, TX (KFWD), launched 00:00Z, 2.6 hours before the alert went out and 45 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: 1915 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 10.3

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
Oct 24, 7:11 PM CDT	Mesoscale Discussion	SPC	Comanche, Erath, Hood, Johnson, Palo Pinto, Parker and 2 more	94 min
Oct 24, 8:16 PM CDT	Severe Thunderstorm Watch	SPC	Bandera, Bastrop, Bell, Bexar, Blanco, Brazos and 32 more	9 hr
Oct 24, 10:52 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Caldwell, Comal, Frio and 9 more	113 min
Oct 25, 12:56 AM CDT	Mesoscale Discussion	SPC	Austin, Brazoria, Chambers, Colorado, DeWitt, Fayette and 19 more	94 min
Oct 25, 1:37 AM CDT	Severe Thunderstorm Watch	SPC	Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 13 more	6 hr
Oct 25, 3:16 AM CDT	Mesoscale Discussion	SPC	Chambers, Harris, Jefferson, Liberty, Montgomery	119 min
Oct 25, 5:47 AM CDT	Mesoscale Discussion	SPC	Jefferson, Orange	88 min
Oct 25, 2:53 PM CDT	Mesoscale Discussion	SPC	Bell, Bosque, Burnet, Comanche, Coryell, Ellis and 15 more	97 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.