Alert archive / Kentucky / Mesoscale Discussions in 2023
Mesoscale Discussion 974
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2023, 1:56 PM CDT for 5 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2023, 1:56 PM CDT (18:56 UTC)
- Expired
- Jun 11, 2023, 4:30 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 95 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Perry County, IN, Spencer County, IN, Warrick County, IN, Adair County, KY, Allen County, KY, Barren County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Jefferson County, KY, Larue County, KY, Logan County, KY, Lyon County, KY, Marion County, KY, Marshall County, KY, McLean County, KY, Meade County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Webster County, KY, Dunklin County, MO, New Madrid County, MO, Pemiscot County, MO, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Lauderdale County, TN, Macon County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Shelby County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Trousdale County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN
The radar
The Paducah radar (KPAH), 74 km from the middle of the area, began a volume at 18:59 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
Nashville Metro, TN (KBNA), launched 12:00Z, 6.9 hours before the alert went out and 165 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
- 77 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1030 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Jun 11, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Baxter, Boone, Clay, Cleburne, Craighead and 28 more | 7 hr |
| Jun 11, 4:43 PM CDT | Mesoscale Discussion | SPC | Arkansas, Crittenden, Lee, Monroe, Phillips, St. Francis | 92 min |
| Jun 11, 5:17 PM CDT | Mesoscale Discussion | SPC | Desha | 58 min |
| Jun 11, 2:26 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Boyle, Bullitt and 37 more | 7 hr |
| Jun 11, 3:34 PM CDT | Severe Thunderstorm Watch | SPC | Bell, Breathitt, Clay, Estill, Harlan, Jackson and 19 more | 6 hr |
| Jun 11, 5:48 PM CDT | Mesoscale Discussion | SPC | McCreary | 57 min |
| Jun 11, 6:22 PM CDT | Mesoscale Discussion | SPC | Bradley, Franklin, Giles, Hamilton, Lincoln, Marion and 2 more | 23 min |
| Jun 11, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | Bradley, Franklin, Hamilton, Lincoln, Marion, Moore and 2 more | 7 hr |
Nearby
Mesoscale Discussions in Kentucky, 2023Mesoscale Discussions in Tennessee, 2023Mesoscale Discussions in Arkansas, 2023Every mesoscale discussion in 2023
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.