Alert archive / Oklahoma / Mesoscale Discussions in 2025

Mesoscale Discussion 992

May 26, 202515 counties in Oklahoma; 7 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 26, 2025, 2:45 PM CDT for 15 counties in Oklahoma; 7 counties in Texas. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued
May 26, 2025, 2:45 PM CDT (19:45 UTC)
Expired
May 26, 2025, 4:15 PM CDT
In force
90 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
40%
All 22 counties

Beckham County, OK, Blaine County, OK, Canadian County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woodward County, OK, Childress County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hall County, TX, Hemphill County, TX, Wheeler County, TX

The radar

The Altus AFB radar (KFDR), 136 km from the middle of the area, began a volume at 19:48 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.8 hours before the alert went out and 161 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, Amarillo Airport, TX at 12:00Z on 2025-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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, Amarillo Airport, TX at 12:00Z on 2025-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
89 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
961 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
111 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.

IssuedProductOfficeCountiesLasted
May 25, 7:41 PM CDTSevere Thunderstorm WatchSPCBeckham, Caddo, Canadian, Cleveland, Comanche, Cotton and 14 more5 hr
May 25, 8:32 PM CDTMesoscale DiscussionSPCCimarron, Texas118 min
May 25, 9:25 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Coal, Jefferson, Johnston and 4 more2 hr
May 25, 10:01 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 11 more7 hr
May 25, 7:05 PM CDTMesoscale DiscussionSPCBorden, Fisher, Haskell, Howard, Jones, Kent and 8 more55 min
May 26, 12:42 AM CDTMesoscale DiscussionSPCCollin, Cooke, Dallas, Denton, Ellis, Fannin and 10 more93 min
May 26, 2:42 AM CDTMesoscale DiscussionSPCAnderson, Bosque, Cherokee, Collin, Dallas, Denton and 22 more93 min
May 26, 1:40 PM CDTMesoscale DiscussionSPCBosque, Comanche, Dallas, Eastland, Ellis, Erath and 13 more65 min
May 26, 2:03 PM CDTMesoscale DiscussionSPCBandera, Bexar, Blanco, Coke, Comal, Concho and 28 more87 min
May 26, 2:34 PM CDTTornado WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 36 more10 hr
May 26, 3:37 PM CDTMesoscale DiscussionSPCBailey, Castro, Cochran, Crosby, Deaf Smith, Hale and 8 more113 min
May 26, 4:00 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Burnet, Coke and 29 more60 min
May 26, 5:10 PM CDTSevere Thunderstorm WatchSPCArmstrong, Bailey, Briscoe, Carson, Castro, Childress and 27 more7 hr
May 26, 5:32 PM CDTMesoscale DiscussionSPCBandera, Blanco, Burnet, Comal, Edwards, Gillespie and 8 more118 min

Nearby

Mesoscale Discussions in Oklahoma, 2025Mesoscale 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.