Alert archive / Oklahoma / Mesoscale Discussions in 2026

Mesoscale Discussion 1249

June 22, 20266 counties in Arkansas; 25 counties in Oklahoma; 11 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2026, 3:21 AM CDT for 6 counties in Arkansas; 25 counties in Oklahoma; 11 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
Jun 22, 2026, 3:21 AM CDT (08:21 UTC)
Expired
Jun 22, 2026, 5:15 AM CDT
In force
114 min
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 372
All 42 counties

Howard County, AR, Little River County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Bowie County, TX, Cooke County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Lamar County, TX, Morris County, TX, Red River County, TX, Titus County, TX

The radar

The Western Arkansas radar (KSRX), 131 km from the middle of the area, began a volume at 08:20 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 8.4 hours before the alert went out and 160 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, Norman, OK at 00:00Z on 2026-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2384 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, Norman, OK at 00:00Z on 2026-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
2384 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1277 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.7
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
Jun 21, 11:36 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Fulton and 5 more84 min
Jun 22, 3:50 AM CDTSevere Thunderstorm WatchSPCArkansas, Baxter, Benton, Boone, Bradley, Calhoun and 50 more7 hr
Jun 22, 6:03 AM CDTMesoscale DiscussionSPCClark, Columbia, Conway, Dallas, Franklin, Garland and 16 more117 min
Jun 22, 9:06 AM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 14 more84 min
Jun 21, 7:14 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Dewey, Ellis, Garfield, Grant, Harper and 5 more7 hr
Jun 21, 8:49 PM CDTMesoscale DiscussionSPCBeaver, Ellis, Harper, Texas, Woods, Woodward86 min
Jun 21, 9:15 PM CDTSevere Thunderstorm WatchSPCBeaver, Texas3 hr
Jun 21, 10:24 PM CDTSevere Thunderstorm WatchSPCAtoka, Beckham, Blaine, Bryan, Caddo, Canadian and 44 more8 hr
Jun 21, 10:36 PM CDTMesoscale DiscussionSPCAlfalfa, Beaver, Dewey, Ellis, Garfield, Grant and 7 more54 min
Jun 21, 10:38 PM CDTMesoscale DiscussionSPCAtoka, Beckham, Blaine, Caddo, Canadian, Carter and 40 more2 hr
Jun 21, 11:34 PM CDTMesoscale DiscussionSPCBlaine, Canadian, Dewey, Garfield, Kingfisher, Logan and 2 more116 min
Jun 22, 1:30 AM CDTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Garvin, Grady, Hughes and 9 more2 hr
Jun 22, 5:49 PM CDTMesoscale DiscussionSPCCrane, Ector, Martin, Midland, Upton56 min

Nearby

Mesoscale Discussions in Oklahoma, 2026Mesoscale Discussions in Texas, 2026Mesoscale Discussions in Arkansas, 2026Every mesoscale discussion in 2026

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.