Alert archive / Oklahoma / Mesoscale Discussions in 2025

Mesoscale Discussion 2011

August 24, 20257 counties in Oklahoma; 6 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2025, 6:46 PM CDT for 7 counties in Oklahoma; 6 counties in Texas. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Aug 24, 2025, 6:46 PM CDT (23:46 UTC)
Expired: Aug 24, 2025, 8:15 PM CDT
In force: 89 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

Counties Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Roger Mills County, OK, Washita County, OK, Collingsworth County, TX, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Altus AFB radar (KFDR), 157 km from the middle of the area, began a volume at 23:48 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 603Aug 24, 7:20 PM CDT

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.8 hours before the alert went out and 251 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: 887 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 672 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

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
Aug 24, 3:57 PM CDT	Mesoscale Discussion	SPC	Beaver, Ellis, Texas	2 hr

Nearby

Mesoscale Discussions in Oklahoma, 2025 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.