Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 19, NWS Louisville, KY

December 10, 2021Breckinridge County, Grayson County, Hancock County, Kentucky

NWS Louisville, KY issued this tornado warning at Dec 10, 2021, 11:07 PM CST for Breckinridge County, Grayson County, Hancock County, Kentucky. It was in force for 53 min. 4 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 10, 2021, 11:07 PM CST (05:07 UTC)
Expired: Dec 11, 2021, 12:00 AM CST
In force: 53 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 0.75 in

Counties Breckinridge County, KY, Grayson County, KY, Hancock County, KY

The radar

The Louisville radar (KLVX), 60 km from the middle of the area, began a volume at 05:06 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 10, 11:32 PM CST	TSTM WND DMG	Cloverport, KY	REPORT OF LARGE TREE DOWN IN CLOVERPORT ON 105.
Dec 10, 11:44 PM CST	TORNADO	2 Wsw Falls Of Rough, KY	AN EF-3 TORNADO OCCURRED 6 W CENTERTOWN, KY. THE TORNADO HAD A MAX PATH WIDTH OF 35.6 MILES AND A LENGTH OF 1200 YARDS. THE MAX WIND SPEEDS WERE 140 MPH, AND THE TORNADO LIFTED 4 MILE WEST OF MCDANIELS, KY. PLEASE SEE ASSOCIATED PNS FOR MORE DETAILS REGARDING
Dec 10, 11:44 PM CST	TORNADO	2 Wsw Falls Of Rough, KY	CORRECTS PREVIOUS TORNADO REPORT FROM 2 WSW FALLS OF ROUGH. AN EF-3 TORNADO OCCURRED 6 W CENTERTOWN, KY. THE TORNADO HAD A LENGTH OF 35.6 MILES AND A MAX PATH WIDTH OF 1200 YARDS. THE MAX WIND SPEEDS WERE 140 MPH, AND THE TORNADO LIFTED 4 MILE WEST OF MCDANIEL
Dec 10, 11:45 PM CST	TSTM WND DMG	1 W Hardinsburg, KY	REPORTS OF TREE DOWN ON 992.

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 10, 6:21 PM CST	Tornado Watch	SPC	10 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.1 hours before the alert went out and 173 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

860 
WFUS53 KLMK 110507
TORLMK
KYC027-085-091-110600-
/O.NEW.KLMK.TO.W.0019.211211T0507Z-211211T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
1107 PM CST Fri Dec 10 2021

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Southeastern Hancock County in central Kentucky...
  Northwestern Grayson County in central Kentucky...
  Breckinridge County in central Kentucky...

* Until midnight CST.
    
* At 1107 PM CST, a confirmed large and extremely dangerous tornado
  was located near Livermore, moving northeast at 60 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Hardinsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3798 8639 3788 8625 3780 8615 3766 8624
      3750 8665 3755 8667 3756 8666 3757 8663
      3754 8660 3755 8658 3762 8664 3766 8664
      3773 8681
TIME...MOT...LOC 0507Z 239DEG 55KT 3742 8712 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...<.75 IN

$$

DM

2 follow-up statements

271 
WWUS53 KLMK 110520
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1120 PM CST Fri Dec 10 2021

KYC027-085-091-110600-
/O.CON.KLMK.TO.W.0019.000000T0000Z-211211T0600Z/
Hancock KY-Grayson KY-Breckinridge KY-
1120 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR
SOUTHEASTERN HANCOCK...NORTHWESTERN GRAYSON AND BRECKINRIDGE
COUNTIES...
        
At 1119 PM CST, a confirmed large and extremely dangerous tornado was
located near Hartford, moving east at 60 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Hardinsburg, Irvington, Mcquady, Dyer, Constantine, Garfield, Se Ree,
Westview, Buras and Big Spring.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3790 8629 3788 8625 3780 8615 3766 8624
      3750 8665 3755 8667 3756 8666 3757 8663
      3754 8660 3755 8658 3762 8664 3766 8664
      3769 8671
TIME...MOT...LOC 0519Z 248DEG 50KT 3747 8694 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

DM

986 
WWUS53 KLMK 110531
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1131 PM CST Fri Dec 10 2021

KYC091-110540-
/O.CAN.KLMK.TO.W.0019.000000T0000Z-211211T0600Z/
Hancock KY-
1131 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN HANCOCK COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM CST for central
Kentucky.

LAT...LON 3756 8666 3755 8665 3757 8664 3757 8663
      3754 8660 3755 8658 3762 8664 3766 8664
      3766 8662 3768 8663 3785 8621 3780 8615
      3766 8624 3750 8665 3755 8667
TIME...MOT...LOC 0530Z 245DEG 50KT 3754 8678 

$$

KYC027-085-110600-
/O.CON.KLMK.TO.W.0019.000000T0000Z-211211T0600Z/
Grayson KY-Breckinridge KY-
1131 PM CST Fri Dec 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR
NORTHWESTERN GRAYSON AND SOUTHERN BRECKINRIDGE COUNTIES...
        
At 1130 PM CST, a confirmed large and extremely dangerous tornado was
located 9 miles northeast of Hartford, moving northeast at 60 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Hardinsburg, Mcquady, Dyer, Constantine, Garfield, Se Ree, Westview,
Buras, Big Spring and Kirk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3756 8666 3755 8665 3757 8664 3757 8663
      3754 8660 3755 8658 3762 8664 3766 8664
      3766 8662 3768 8663 3785 8621 3780 8615
      3766 8624 3750 8665 3755 8667
TIME...MOT...LOC 0530Z 245DEG 50KT 3754 8678 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

DM

The 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 Tornado observedConsiderable damage threat	LMK	Ohio	63 min
Dec 10, 11:51 PM CST	Tornado Warning Tornado observedConsiderable damage threat	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 Tornado observed	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 Tornado observed	LMK	Butler, Edmonson, Logan, Simpson, Warren	47 min
Dec 11, 1:27 AM CST	Tornado Warning Tornado observed	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 Considerable damage threat	LMK	Butler, Logan, Simpson, Warren	44 min
Dec 11, 2:22 AM CST	Tornado Warning Tornado observed	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

Tornado Warnings in Kentucky, 2021 Every tornado warning in 2021 Tornadoes 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.