Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 106, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Dec 11, 2021, 4:38 AM EST for Clark County, Madison County, Kentucky. It was in force for 37 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Dec 11, 2021, 4:38 AM EST (09:38 UTC)
- Expired
- Dec 11, 2021, 5:15 AM EST
- In force
- 37 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clark County, KY, Madison County, KY
The radar
The Jackson,KY radar (KJKL), 73 km from the middle of the area, began a volume at 09:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 11, 4:40 AM EST | TSTM WND DMG | 1 Ne Trapp, KY | A COUPLE OF TREES HAD TO BE REMOVED BY THE COUNTY ROAD DEPARTMENT AROUND TRAPP. |
| Dec 11, 5:17 AM EST | TSTM WND DMG | 3 Ne Richmond, KY | TREES DOWN BLOCKING ROADWAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 11, 2:27 AM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.6 hours before the alert went out and 185 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 431 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
725
WUUS53 KLMK 110938
SVRLMK
KYC049-151-111015-
/O.NEW.KLMK.SV.W.0106.211211T0938Z-211211T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
438 AM EST Sat Dec 11 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Clark County in central Kentucky...
Eastern Madison County in central Kentucky...
* Until 515 AM EST.
* At 438 AM EST, severe thunderstorms were located along a line
extending from near Winchester to 6 miles north of Rockford, moving
northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Winchester around 445 AM EST.
Other locations in the path of these severe thunderstorms include
Harris Ferry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 AM EST for 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 for central
Kentucky.
&&
LAT...LON 3786 8401 3787 8403 3784 8400 3785 8406
3782 8407 3785 8408 3782 8412 3781 8408
3778 8411 3777 8408 3767 8409 3765 8413
3758 8410 3752 8430 3754 8430 3754 8434
3799 8426 3811 8408 3794 8397
TIME...MOT...LOC 0938Z 237DEG 21KT 3796 8420 3761 8427
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MCK1 follow-up statement
109
WWUS53 KLMK 111006
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
506 AM EST Sat Dec 11 2021
KYC049-151-111015-
/O.CON.KLMK.SV.W.0106.000000T0000Z-211211T1015Z/
Clark KY-Madison KY-
506 AM EST Sat Dec 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 AM EST
FOR CLARK AND EASTERN MADISON COUNTIES...
At 505 AM EST, severe thunderstorms were located along a line
extending from Wades Mill to Winston, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe thunderstorms will remain over mainly rural areas of
Clark and eastern Madison Counties, including the following
locations... Goffs Corner, Constant Station, Duluth, Bighill,
Lyndale, Redhouse, Jackson Ferry, Panola, Kingston and Mina.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 AM EST for central
Kentucky.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3786 8401 3787 8403 3784 8400 3785 8406
3782 8407 3785 8408 3782 8412 3781 8408
3778 8411 3777 8408 3767 8409 3765 8413
3758 8410 3752 8430 3754 8430 3754 8434
3799 8426 3811 8408 3794 8397
TIME...MOT...LOC 1005Z 237DEG 21KT 3804 8404 3769 8411
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MCKThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 8:20 PM EST | Special Weather Statement | LMK | Ohio | 55 min |
| Dec 10, 8:48 PM EST | Tornado Warning | LMK | Ohio | 57 min |
| Dec 10, 9:04 PM EST | Special Weather Statement | LMK | Breckinridge | 56 min |
| Dec 10, 9:24 PM EST | Severe Thunderstorm Warning | LMK | Breckinridge, Hancock | 36 min |
| Dec 10, 9:32 PM EST | Tornado Warning | LMK | Ohio | 30 min |
| Dec 10, 10:21 PM EST | Tornado Warning | LMK | Ohio | 39 min |
| Dec 10, 10:29 PM EST | Special Weather Statement | LMK | Breckinridge | 31 min |
| Dec 10, 10:37 PM EST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 17 min |
| Dec 10, 11:42 PM EST | Tornado Warning | LMK | Ohio | 63 min |
| Dec 11, 12:07 AM EST | Tornado Warning | LMK | Breckinridge, Grayson, Hancock | 53 min |
| Dec 11, 12:51 AM EST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 39 min |
| Dec 11, 1:29 AM EST | Special Weather Statement | LMK | Spencer | 16 min |
| Dec 11, 1:30 AM EST | Special Weather Statement | LMK | Bullitt | 15 min |
| Dec 11, 1:33 AM EST | Special Weather Statement | LMK | Henry, Jefferson, Oldham, Shelby, Trimble | 27 min |
| Dec 11, 1:36 AM EST | Tornado Warning | LMK | Logan, Simpson | 39 min |
| Dec 11, 1:41 AM EST | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 34 min |
| Dec 11, 1:44 AM EST | Tornado Warning | LMK | Bullitt, Nelson, Shelby, Spencer | 46 min |
| Dec 11, 1:58 AM EST | Tornado Warning | LMK | Butler, Edmonson, Logan, Simpson, Warren | 47 min |
| Dec 11, 2:27 AM EST | Tornado Warning | LMK | Barren, Butler, Edmonson, Hart, Metcalfe, Warren | 48 min |
| Dec 11, 2:28 AM EST | Tornado Warning | LMK | Franklin, Scott | 20 min |
| Dec 11, 2:45 AM EST | Special Weather Statement | LMK | Bullitt, Hardin, Larue, Nelson, Spencer | 30 min |
| Dec 11, 2:55 AM EST | Tornado Warning | LMK | Barren, Green, Hart, Larue, Marion, Metcalfe and 1 more | 50 min |
| Dec 11, 3:08 AM EST | Areal Flood Advisory | LMK | Breckinridge, Bullitt, Hardin, Jefferson, Meade | 115 min |
| Dec 11, 3:16 AM EST | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more | 29 min |
| Dec 11, 3:16 AM EST | Severe Thunderstorm Warning | LMK | Butler, Logan, Simpson, Warren | 44 min |
| Dec 11, 3:22 AM EST | Tornado Warning | LMK | Boyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more | 38 min |
| Dec 11, 3:59 AM EST | Tornado Warning | LMK | Boyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more | 46 min |
| Dec 11, 4:00 AM EST | Flash Flood Warning | LMK | Barren, Butler, Edmonson, Green, Hart, Logan and 3 more | 6 hr |
| Dec 11, 4:10 AM EST | Areal Flood Advisory | LMK | Anderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more | 4 hr |
| Dec 11, 4:13 AM EST | Severe Thunderstorm Warning | LMK | Allen, Barren, Butler, Edmonson, Hart, Logan and 2 more | 32 min |
| Dec 11, 4:20 AM EST | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more | 25 min |
| Dec 11, 4:43 AM EST | Areal Flood Advisory | LMK | Adair, Boyle, Casey, Garrard, Green, Lincoln and 3 more | 4 hr |
| Dec 11, 4:47 AM EST | Severe Thunderstorm Warning | LMK | Allen, Barren, Edmonson, Grayson, Green, Hardin and 7 more | 28 min |
| Dec 11, 4:56 AM EST | Flash Flood Warning | LMK | Breckinridge, Bullitt, Franklin, Grayson, Hancock, Hardin and 6 more | 3 hr |
| Dec 11, 5:01 AM EST | Tornado Warning | LMK | Garrard, Madison | 18 min |
| Dec 11, 5:18 AM EST | Severe Thunderstorm Warning | LMK | Adair, Allen, Barren, Casey, Cumberland, Green and 5 more | 42 min |
| Dec 11, 5:23 AM EST | Tornado Warning | LMK | Clark, Garrard, Lincoln, Madison | 37 min |
| Dec 11, 5:27 AM EST | Tornado Warning | LMK | Cumberland, Monroe | 33 min |
| Dec 11, 5:52 AM EST | Tornado Warning | LMK | Casey, Clinton, Cumberland, Russell | 23 min |
| Dec 11, 5:58 AM EST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Clark, Fayette, Garrard and 6 more | 32 min |
| Dec 11, 5:58 AM EST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Green, Lincoln, Marion and 2 more | 32 min |
| Dec 11, 6:28 AM EST | Severe Thunderstorm Warning | LMK | Clark, Garrard, Lincoln, Madison | 32 min |
| Dec 11, 8:42 AM EST | Areal Flood Warning | LMK | Garrard, Lincoln, Madison | 3 hr |
| Dec 11, 10:18 AM EST | Special Weather Statement | LMK | Anderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more | 27 min |
| Dec 11, 11:10 AM EST | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.