Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 107, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Dec 11, 2021, 3:47 AM CST for 13 counties in Kentucky. It was in force for 28 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, 3:47 AM CST (09:47 UTC)
- Expired
- Dec 11, 2021, 4:15 AM CST
- In force
- 28 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Allen County, KY, Barren County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Larue County, KY, Marion County, KY, Metcalfe County, KY, Monroe County, KY, Taylor County, KY, Warren County, KY
The radar
The Louisville radar (KLVX), 86 km from the middle of the area, began a volume at 09:46 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, 9.8 hours before the alert went out and 138 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.
443
WUUS53 KLMK 110947
SVRLMK
KYC003-009-061-085-087-093-099-123-155-169-171-217-227-111015-
/O.NEW.KLMK.SV.W.0107.211211T0947Z-211211T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
447 AM EST Sat Dec 11 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Larue County in central Kentucky...
Southwestern Marion County in central Kentucky...
Hart County in central Kentucky...
Northwestern Taylor County in central Kentucky...
Southeastern Grayson County in central Kentucky...
South central Hardin County in central Kentucky...
Eastern Edmonson County in south central Kentucky...
Green County in central Kentucky...
Monroe County in south central Kentucky...
Allen County in south central Kentucky...
Southeastern Warren County in south central Kentucky...
Barren County in south central Kentucky...
Metcalfe County in south central Kentucky...
* Until 515 AM EST/415 AM CST/.
* At 447 AM EST/347 AM CST/, severe thunderstorms were located along
a line extending from 14 miles east of Leitchfield to 8 miles
northwest of Westmoreland, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* These severe thunderstorms will remain over mainly rural areas of
Larue, southwestern Marion, Hart, northwestern Taylor, southeastern
Grayson, south central Hardin, eastern Edmonson, Green, Monroe,
Allen, southeastern Warren, Barren and Metcalfe Counties, including
the following locations... Logsdon Valley, Node, Broad Ford,
Haywood, Austin, Settle, New Roe, Lone Star, Pascal and Oil City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 AM EST/800 AM CST/ for
south central and central Kentucky.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 900 AM EST/800 AM CST/ for
south central and central Kentucky.
&&
LAT...LON 3665 8641 3758 8607 3755 8560 3752 8557
3754 8555 3753 8536 3662 8569
TIME...MOT...LOC 0947Z 281DEG 43KT 3750 8604 3666 8635
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MCK1 follow-up statement
215
WWUS53 KLMK 111005
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
505 AM EST Sat Dec 11 2021
KYC061-085-227-111014-
/O.CAN.KLMK.SV.W.0107.000000T0000Z-211211T1015Z/
Grayson KY-Warren KY-Edmonson KY-
505 AM EST Sat Dec 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GRAYSON...
SOUTHEASTERN WARREN AND EASTERN EDMONSON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 AM EST/800 AM CST/ for
south central and central Kentucky.
LAT...LON 3665 8620 3757 8593 3755 8562 3752 8557
3754 8555 3753 8536 3711 8551 3711 8553
3662 8569
TIME...MOT...LOC 1004Z 281DEG 43KT 3746 8579 3662 8610
$$
KYC003-009-087-093-099-123-155-169-171-217-111015-
/O.CON.KLMK.SV.W.0107.000000T0000Z-211211T1015Z/
Green KY-Larue KY-Marion KY-Monroe KY-Hart KY-Taylor KY-Allen KY-
Hardin KY-Barren KY-Metcalfe KY-
505 AM EST Sat Dec 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 AM
EST/415 AM CST/ FOR GREEN...SOUTHERN LARUE...SOUTHWESTERN MARION...
MONROE...HART...NORTHWESTERN TAYLOR...EASTERN ALLEN...SOUTHERN
HARDIN...BARREN AND METCALFE COUNTIES...
At 504 AM EST/404 AM CST/, severe thunderstorms were located along a
line extending from 8 miles south of Hodgenville to 7 miles northwest
of Lafayette, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Glasgow, Hodgenville, Tompkinsville, Greensburg, Munfordville,
Edmonton, Monroe, Horse Cave, Cave City and Upton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 AM EST/800 AM CST/ for
south central and central Kentucky.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3665 8620 3757 8593 3755 8562 3752 8557
3754 8555 3753 8536 3711 8551 3711 8553
3662 8569
TIME...MOT...LOC 1004Z 281DEG 43KT 3746 8579 3662 8610
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MCKThe 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, 2:16 AM CST | Severe Thunderstorm Warning | LMK | Butler, Logan, Simpson, Warren | 44 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, 3:56 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.