Alert archive / Oklahoma / Mesoscale Discussions in 2026
Mesoscale Discussion 342
The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2026, 2:15 PM CDT for 11 counties in Kansas; 33 counties in Oklahoma; 13 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2026, 2:15 PM CDT (19:15 UTC)
- Expired
- Apr 3, 2026, 4:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 57 counties
Butler County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Custer County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Washington County, OK, Washita County, OK, Baylor County, TX, Childress County, TX, Cottle County, TX, Dickens County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Kent County, TX, King County, TX, Knox County, TX, Stonewall County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Norman radar (KTLX), 72 km from the middle of the area, began a volume at 19:16 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 12:00Z, 7.3 hours before the alert went out and 72 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.
- Mixed-layer CAPE
- 1045 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 591 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 7.1
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 1:26 PM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Chase, Coffey, Doniphan and 16 more | 2 hr |
| Apr 3, 2:20 PM CDT | Tornado Watch | SPC | Doniphan | 6 hr |
| Apr 3, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 28 more | 7 hr |
| Apr 3, 6:05 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 10 more | 115 min |
| Apr 3, 5:01 PM CDT | Mesoscale Discussion | SPC | Brewster, Crockett, Pecos, Terrell | 119 min |
Nearby
Mesoscale Discussions in Oklahoma, 2026Mesoscale Discussions in Texas, 2026Mesoscale Discussions in Kansas, 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.