Alert archive / Kentucky / Mesoscale Discussions in 2026
Mesoscale Discussion 792
The Storm Prediction Center issued this mesoscale discussion at May 19, 2026, 4:31 PM CDT for 4 states. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- May 19, 2026, 4:31 PM CDT (21:31 UTC)
- Expired
- May 19, 2026, 5:30 PM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 20%
All 80 counties
Crittenden County, AR, Mississippi County, AR, Clark County, IN, Crawford County, IN, Floyd County, IN, Harrison County, IN, Perry County, IN, Scott County, IN, Spencer County, IN, Allen County, KY, Anderson County, KY, Barren County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Carroll County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Franklin 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, Henry County, KY, Hickman County, KY, Hopkins County, KY, Jefferson County, KY, Larue County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marion County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Webster County, KY, Benton County, TN, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Robertson County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN
The radar
The Ft Campbell radar (KHPX), 30 km from the middle of the area, began a volume at 21:32 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
Nashville Metro, TN (KBNA), launched 12:00Z, 9.5 hours before the alert went out and 118 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
- 1086 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 199 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 |
|---|---|---|---|---|
| May 19, 9:54 AM CDT | Mesoscale Discussion | SPC | Cleburne, Conway, Crawford, Faulkner, Franklin, Garland and 22 more | 2 hr |
| May 19, 2:54 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Clark, Cleveland, Columbia and 11 more | 2 hr |
| May 19, 12:31 PM CDT | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clark, Clay, Crawford and 37 more | 119 min |
| May 19, 12:44 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, DeKalb, Noble, Steuben | 91 min |
| May 19, 1:01 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Blackford, DeKalb, Grant, Huntington and 6 more | 8 hr |
| May 19, 3:26 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Brown, Clay and 30 more | 64 min |
| May 19, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | Bartholomew, Brown, Daviess, Dearborn, Decatur, Delaware and 24 more | 5 hr |
| May 19, 5:11 PM CDT | Mesoscale Discussion | SPC | Adams, Bartholomew, Blackford, Brown, Dearborn, Decatur and 22 more | 64 min |
| May 19, 6:39 PM CDT | Mesoscale Discussion | SPC | Dearborn, Franklin, Jackson, Jefferson, Jennings, Lawrence and 5 more | 66 min |
Nearby
Mesoscale Discussions in Kentucky, 2026Mesoscale Discussions in Tennessee, 2026Mesoscale Discussions in Indiana, 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.