Alert archive / Missouri / Mesoscale Discussions in 2022
Mesoscale Discussion 445
The Storm Prediction Center issued this mesoscale discussion at Apr 11, 2022, 12:43 PM CDT for 8 counties in Arkansas; 22 counties in Missouri; 7 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2022, 12:43 PM CDT (17:43 UTC)
- Expired
- Apr 11, 2022, 2:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 20%
All 37 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Madison County, AR, Marion County, AR, Washington County, AR, Barry County, MO, Carter County, MO, Christian County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Iron County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Reynolds County, MO, Ripley County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Ottawa County, OK, Wagoner County, OK
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 5.7 hours before the alert went out and 328 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1962 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -156 m²/s²
- 0-3 km storm-relative helicity
- -88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 10, 10:06 PM CDT | Severe Thunderstorm Watch | SPC | Benton | 6 hr |
| Apr 11, 1:28 AM CDT | Mesoscale Discussion | SPC | Benton | 92 min |
| Apr 11, 12:54 PM CDT | Mesoscale Discussion | SPC | Crittenden, Cross, Mississippi, Poinsett, St. Francis | 96 min |
| Apr 11, 2:34 PM CDT | Mesoscale Discussion | SPC | Clark, Conway, Dallas, Faulkner, Franklin, Garland and 23 more | 116 min |
| Apr 11, 3:31 PM CDT | Tornado Watch | SPC | Bradley, Calhoun, Clark, Cleburne, Cleveland, Columbia and 36 more | 7 hr |
| Apr 11, 5:37 PM CDT | Mesoscale Discussion | SPC | Conway, Faulkner, Logan, Pope | 113 min |
| Apr 11, 6:46 PM CDT | Mesoscale Discussion | SPC | Clark, Garland, Hempstead, Howard, Little River, Montgomery and 6 more | 89 min |
| Apr 10, 11:26 PM CDT | Mesoscale Discussion | SPC | Barton, Cedar, Dade, Greene, Jasper, Lawrence and 2 more | 2 hr |
| Apr 10, 8:16 PM CDT | Mesoscale Discussion | SPC | Blaine, Craig, Creek, Garfield, Kay, Kingfisher and 10 more | 2 hr |
| Apr 11, 4:46 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Johnston, Marshall, Pushmataha | 89 min |
| Apr 11, 5:18 PM CDT | Severe Thunderstorm Watch | SPC | Atoka, Bryan, Coal, Johnston, Marshall | 4 hr |
Nearby
Mesoscale Discussions in Missouri, 2022Mesoscale Discussions in Arkansas, 2022Mesoscale Discussions in Oklahoma, 2022Every mesoscale discussion in 2022
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.