Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 103, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Dec 11, 2021, 2:16 AM CST for 4 counties in Kentucky. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 11, 2021, 2:16 AM CST (08:16 UTC)
- Expired
- Dec 11, 2021, 3:00 AM CST
- In force
- 44 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Tornado
- Possible
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Butler County, KY, Logan County, KY, Simpson County, KY, Warren County, KY
The radar
The Ft Campbell radar (KHPX), 59 km from the middle of the area, began a volume at 08:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 10, 6:21 PM CST | Tornado Watch | SPC | 10 hr |
| Dec 11, 1:27 AM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 8.3 hours before the alert went out and 94 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
- 182 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 391 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
679
WUUS53 KLMK 110816 RRA
SVRLMK
KYC031-141-213-227-110900-
/O.NEW.KLMK.SV.W.0103.211211T0816Z-211211T0900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
216 AM CST Sat Dec 11 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Logan County in south central Kentucky...
Northwestern Simpson County in south central Kentucky...
Southeastern Butler County in south central Kentucky...
Warren County in south central Kentucky...
* Until 300 AM CST.
* At 216 AM CST, a severe thunderstorm was located near Russellville,
moving east at 55 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Memphis Junction, Crestmoor, Mount Victor, Bowling Green and Plum
Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 500 AM CST for south central
Kentucky. A Tornado Watch also remains in effect until 800 AM CST for
south central Kentucky.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 500 AM CST for south central
Kentucky. A Tornado Watch also remains in effect until 800 AM CST for
south central Kentucky.
&&
LAT...LON 3694 8705 3718 8640 3714 8636 3691 8625
3672 8706
TIME...MOT...LOC 0816Z 248DEG 48KT 3689 8690
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
DM1 follow-up statement
393
WWUS53 KLMK 110850
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
250 AM CST Sat Dec 11 2021
KYC031-141-213-227-110900-
/O.EXP.KLMK.SV.W.0103.000000T0000Z-211211T0900Z/
Logan KY-Simpson KY-Butler KY-Warren KY-
250 AM CST Sat Dec 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR LOGAN...NORTHWESTERN
SIMPSON...SOUTHEASTERN BUTLER AND WARREN COUNTIES WILL EXPIRE AT 300
AM CST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
A Tornado Watch remains in effect until 500 AM CST for south central
Kentucky. A Tornado Watch also remains in effect until 800 AM CST for
south central Kentucky.
LAT...LON 3694 8705 3718 8640 3714 8636 3691 8625
3672 8706
TIME...MOT...LOC 0850Z 248DEG 48KT 3705 8639
$$
DMThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 7:20 PM CST | Special Weather Statement | LMK | Ohio | 55 min |
| Dec 10, 7:48 PM CST | Tornado Warning | LMK | Ohio | 57 min |
| Dec 10, 8:04 PM CST | Special Weather Statement | LMK | Breckinridge | 56 min |
| Dec 10, 8:24 PM CST | Severe Thunderstorm Warning | LMK | Breckinridge, Hancock | 36 min |
| Dec 10, 8:32 PM CST | Tornado Warning | LMK | Ohio | 30 min |
| Dec 10, 9:21 PM CST | Tornado Warning | LMK | Ohio | 39 min |
| Dec 10, 9:29 PM CST | Special Weather Statement | LMK | Breckinridge | 31 min |
| Dec 10, 9:37 PM CST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 17 min |
| Dec 10, 10:42 PM CST | Tornado Warning | LMK | Ohio | 63 min |
| Dec 10, 11:07 PM CST | Tornado Warning | LMK | Breckinridge, Grayson, Hancock | 53 min |
| Dec 10, 11:51 PM CST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 39 min |
| Dec 11, 12:29 AM CST | Special Weather Statement | LMK | Spencer | 16 min |
| Dec 11, 12:30 AM CST | Special Weather Statement | LMK | Bullitt | 15 min |
| Dec 11, 12:33 AM CST | Special Weather Statement | LMK | Henry, Jefferson, Oldham, Shelby, Trimble | 27 min |
| Dec 11, 12:36 AM CST | Tornado Warning | LMK | Logan, Simpson | 39 min |
| Dec 11, 12:41 AM CST | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 34 min |
| Dec 11, 12:44 AM CST | Tornado Warning | LMK | Bullitt, Nelson, Shelby, Spencer | 46 min |
| Dec 11, 12:58 AM CST | Tornado Warning | LMK | Butler, Edmonson, Logan, Simpson, Warren | 47 min |
| Dec 11, 1:27 AM CST | Tornado Warning | LMK | Barren, Butler, Edmonson, Hart, Metcalfe, Warren | 48 min |
| Dec 11, 1:28 AM CST | Tornado Warning | LMK | Franklin, Scott | 20 min |
| Dec 11, 1:45 AM CST | Special Weather Statement | LMK | Bullitt, Hardin, Larue, Nelson, Spencer | 30 min |
| Dec 11, 1:55 AM CST | Tornado Warning | LMK | Barren, Green, Hart, Larue, Marion, Metcalfe and 1 more | 50 min |
| Dec 11, 2:08 AM CST | Areal Flood Advisory | LMK | Breckinridge, Bullitt, Hardin, Jefferson, Meade | 115 min |
| Dec 11, 2:16 AM CST | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more | 29 min |
| Dec 11, 2:22 AM CST | Tornado Warning | LMK | Boyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more | 38 min |
| Dec 11, 2:59 AM CST | Tornado Warning | LMK | Boyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more | 46 min |
| Dec 11, 3:00 AM CST | Flash Flood Warning | LMK | Barren, Butler, Edmonson, Green, Hart, Logan and 3 more | 6 hr |
| Dec 11, 3:10 AM CST | Areal Flood Advisory | LMK | Anderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more | 4 hr |
| Dec 11, 3:13 AM CST | Severe Thunderstorm Warning | LMK | Allen, Barren, Butler, Edmonson, Hart, Logan and 2 more | 32 min |
| Dec 11, 3:20 AM CST | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more | 25 min |
| Dec 11, 3:38 AM CST | Severe Thunderstorm Warning | LMK | Clark, Madison | 37 min |
| Dec 11, 3:43 AM CST | Areal Flood Advisory | LMK | Adair, Boyle, Casey, Garrard, Green, Lincoln and 3 more | 4 hr |
| Dec 11, 3:47 AM CST | Severe Thunderstorm Warning | LMK | Allen, Barren, Edmonson, Grayson, Green, Hardin and 7 more | 28 min |
| Dec 11, 3:56 AM CST | Flash Flood Warning | LMK | Breckinridge, Bullitt, Franklin, Grayson, Hancock, Hardin and 6 more | 3 hr |
| Dec 11, 4:01 AM CST | Tornado Warning | LMK | Garrard, Madison | 18 min |
| Dec 11, 4:18 AM CST | Severe Thunderstorm Warning | LMK | Adair, Allen, Barren, Casey, Cumberland, Green and 5 more | 42 min |
| Dec 11, 4:23 AM CST | Tornado Warning | LMK | Clark, Garrard, Lincoln, Madison | 37 min |
| Dec 11, 4:27 AM CST | Tornado Warning | LMK | Cumberland, Monroe | 33 min |
| Dec 11, 4:52 AM CST | Tornado Warning | LMK | Casey, Clinton, Cumberland, Russell | 23 min |
| Dec 11, 4:58 AM CST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Clark, Fayette, Garrard and 6 more | 32 min |
| Dec 11, 4:58 AM CST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Green, Lincoln, Marion and 2 more | 32 min |
| Dec 11, 5:28 AM CST | Severe Thunderstorm Warning | LMK | Clark, Garrard, Lincoln, Madison | 32 min |
| Dec 11, 7:42 AM CST | Areal Flood Warning | LMK | Garrard, Lincoln, Madison | 3 hr |
| Dec 11, 9:18 AM CST | Special Weather Statement | LMK | Anderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more | 27 min |
| Dec 11, 10:10 AM CST | Special Weather Statement | LMK | Anderson, Bourbon, Clark, Fayette, Harrison, Jessamine and 6 more | 65 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2021Every severe thunderstorm warning in 2021
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.