Alert archive / Kentucky / Mesoscale Discussions in 2017
Mesoscale Discussion 833
The Storm Prediction Center issued this mesoscale discussion at May 24, 2017, 2:50 PM CDT for 4 states. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- May 24, 2017, 2:50 PM CDT (19:50 UTC)
- Expired
- May 24, 2017, 3:45 PM CDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 85 counties
Adair County, KY, Anderson County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Harlan County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Taylor County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Cherokee County, NC, Graham County, NC, Swain County, NC, Anderson County, TN, Blount County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Monroe County, TN, Morgan County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Union County, TN, City of Norton, VA, Lee County, VA, Scott County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 111 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 219 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
- 13 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 805 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 101 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 24, 6:41 AM CDT | Mesoscale Discussion | SPC | Bell, Clay, Harlan, Jackson, Knox, Laurel and 7 more | 3 hr |
| May 24, 10:47 AM CDT | Mesoscale Discussion | SPC | Boone, Campbell, Kenton | 58 min |
| May 24, 11:47 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Casey, Clinton, Cumberland and 11 more | 58 min |
| May 24, 12:19 PM CDT | Tornado Watch | SPC | Adair, Anderson, Bath, Bell, Bourbon, Boyle and 51 more | 7 hr |
| May 24, 5:51 PM CDT | Mesoscale Discussion | SPC | Carter, Elliott, Floyd, Johnson, Knott, Lawrence and 6 more | 24 min |
| May 24, 9:04 AM CDT | Tornado Watch | SPC | Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 24 more | 11 hr |
| May 24, 2:02 PM CDT | Mesoscale Discussion | SPC | Alexander, Buncombe, Burke, Cabarrus, Caldwell, Catawba and 21 more | 88 min |
| May 24, 2:13 PM CDT | Mesoscale Discussion | SPC | Alamance, Alleghany, Bladen, Brunswick, Caswell, Chatham and 37 more | 2 hr |
| May 24, 2:46 PM CDT | Tornado Watch | SPC | Alamance, Alleghany, Anson, Ashe, Beaufort, Bladen and 52 more | 6 hr |
| May 24, 4:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Buncombe, Burke, Cabarrus, Caldwell, Catawba and 16 more | 65 min |
| May 24, 5:59 PM CDT | Mesoscale Discussion | SPC | Bertie, Camden, Chowan, Currituck, Edgecombe, Franklin and 15 more | 91 min |
Nearby
Mesoscale Discussions in Kentucky, 2017Mesoscale Discussions in Tennessee, 2017Mesoscale Discussions in Virginia, 2017Every mesoscale discussion in 2017
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.