Alert archive / Oklahoma / Mesoscale Discussions in 2026

Mesoscale Discussion 435

April 14, 20264 counties in Kansas; 17 counties in Oklahoma; Wichita County, Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2026, 7:53 PM CDT for 4 counties in Kansas; 17 counties in Oklahoma; Wichita County, Texas. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
Apr 14, 2026, 7:53 PM CDT (00:53 UTC)
Expired
Apr 14, 2026, 9:30 PM CDT
In force
97 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 110
All 22 counties

Harper County, KS, Kingman County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Jefferson County, OK, Kingfisher County, OK, Logan County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Stephens County, OK, Tillman County, OK, Wichita County, TX

The radar

The Norman radar (KTLX), 62 km from the middle of the area, began a volume at 00:54 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 00:00Z, 0.9 hours before the alert went out and 60 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 2026-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1940 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 2026-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939587897Sfc1 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
1940 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
2.1
Supercell composite
14.9

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
Apr 14, 7:28 PM CDTMesoscale DiscussionSPCBrown, Cloud, Marshall, Nemaha, Republic, Washington2 hr
Apr 14, 9:56 PM CDTSevere Thunderstorm WatchSPCBrown, Cloud, Doniphan, Marshall, Nemaha, Republic and 1 more4 hr
Apr 14, 11:36 PM CDTMesoscale DiscussionSPCWashington84 min
Apr 15, 2:14 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Cherokee, Coffey and 18 more2 hr
Apr 15, 2:31 PM CDTTornado WatchSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 2 more8 hr
Apr 15, 3:40 PM CDTTornado WatchSPCJohnson, Linn, Miami, Wyandotte6 hr
Apr 15, 3:55 PM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Montgomery, Neosho65 min
Apr 15, 5:56 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Labette94 min
Apr 14, 9:16 PM CDTMesoscale DiscussionSPCCarter, Cherokee, Coal, Delaware, Garvin, Hughes and 12 more29 min
Apr 14, 9:20 PM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Cleveland, Craig, Creek, Delaware and 19 more5 hr
Apr 15, 1:37 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Cherokee, Cleveland, Coal and 26 more83 min
Apr 15, 2:38 PM CDTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Eastland, Edwards and 13 more3 hr
Apr 15, 4:41 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Callahan, Clay, Cooke, Denton and 17 more5 hr
Apr 15, 6:18 PM CDTMesoscale DiscussionSPCCallahan, Coleman, Concho, Cooke, Eastland, Jack and 8 more87 min

Nearby

Mesoscale Discussions in Oklahoma, 2026Mesoscale Discussions in Kansas, 2026Mesoscale Discussions in Texas, 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.