Alert archive / Kentucky / Mesoscale Discussions in 2013
Mesoscale Discussion 1944
The Storm Prediction Center issued this mesoscale discussion at Oct 5, 2013, 8:01 PM EDT for 33 counties in Kentucky; 6 counties in Tennessee. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Oct 5, 2013, 8:01 PM EDT (00:01 UTC)
- Expired
- Oct 5, 2013, 10:00 PM EDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 39 counties
Anderson County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Calloway County, KY, Casey County, KY, Christian County, KY, Edmonson County, KY, Franklin County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Jefferson County, KY, Larue County, KY, Logan County, KY, Lyon County, KY, Marion County, KY, Marshall County, KY, Mercer County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Owen County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Gibson County, TN, Henry County, TN, Montgomery County, TN, Obion County, TN, Stewart County, TN, Weakley County, TN
The radar
The Ft Campbell radar (KHPX), 82 km from the middle of the area, began a volume at 00:03 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 00:00Z, 0.0 hours before the alert went out and 105 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
- 930 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1467 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 9:42 PM EDT | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 5 hr |
| Oct 5, 11:53 PM EDT | Mesoscale Discussion | SPC | Caldwell, Christian, Crittenden, Graves, Henderson, Hopkins and 6 more | 97 min |
| Oct 6, 12:49 AM EDT | Mesoscale Discussion | SPC | Breckinridge, Bullitt, Jefferson, Meade, Oldham, Shelby and 1 more | 56 min |
| Oct 6, 2:32 AM EDT | Mesoscale Discussion | SPC | Boone, Breckinridge, Bullitt, Butler, Carroll, Christian and 14 more | 58 min |
| Oct 6, 1:27 PM EDT | Mesoscale Discussion | SPC | Adair, Bath, Boyd, Breathitt, Carter, Casey and 30 more | 3 hr |
| Oct 6, 3:04 PM EDT | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Grant, Harrison, Kenton and 4 more | 116 min |
Nearby
Mesoscale Discussions in Kentucky, 2013Mesoscale Discussions in Tennessee, 2013Every mesoscale discussion in 2013
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.