Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 27, NWS Louisville, KY

December 11, 20217 counties in Kentucky

NWS Louisville, KY issued this tornado warning at Dec 11, 2021, 3:22 AM EST for 7 counties in Kentucky. It was in force for 38 min. 8 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, 3:22 AM EST (08:22 UTC)
Expired
Dec 11, 2021, 4:00 AM EST
In force
38 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Boyle County, KY, Casey County, KY, Larue County, KY, Lincoln County, KY, Marion County, KY, Mercer County, KY, Washington County, KY

The radar

The Louisville radar (KLVX), 96 km from the middle of the area, began a volume at 08:22 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

TimeReportWhereRemark
Dec 11, 3:41 AM ESTTORNADO3 Ne Bradfordsville, KYAN EF-1 TORNADO TOUCHED DOWN 3 MILES NORTHEAST OF BRADFORDSVILLE, KY, WITH 100MPH WINDS AND A PATH WIDTH OF 50 YARDS. THE TORNADO WAS ON THE GROUND FOR APPROXIMATELY 1.9 MILES BEFORE LIFTING 3 MILES SOUTHWEST OF GRAVEL SWITCH, KY. PLEASE SEE THE ASSOCIATED PNS
Dec 11, 4:01 AM ESTTORNADO1 Ese Junction City, KYAN EF-2 TORNADO OCCURRED 1 MILE ESE OF JUNCTION CITY, KY NEAR THE BOYLE COUNTY AIRPORT. THE TORNADO HAD A MAX PATH WIDTH OF 100 YARDS AND A LENGTH OF 0.63 MILES. THE MAX WIND SPEEDS 135 MPH, AND THE TORNADO LIFTED 4 MILES SOUTH OF DANVILLE, KY. PLEASE SEE ASSO
Dec 11, 4:02 AM ESTTSTM WND DMG4 S Danville, KYBOYLE COUNTY AIRPORT HAD 3 HANGERS TOTALLY DESTROYED WITH 25 AIRCRAFT DAMAGED. TIME ESTIMATED BASED ON RADAR.
Dec 11, 4:02 AM ESTTORNADO1 Wnw Danville, KYAN EF-1 TORNADO OCCURRED 1 MILE WNW OF DANVILLE, KY WITH 110 MPH WINDS AND A MAX PATH WIDTH OF 400 YARDS. THE TORNADO PATH WAS 3.63 MILES LONG BEFORE LIFTING 3 MILES NE OF DANVILLE, KY. PLEASE SEE ASSOCIATED PNS FOR MORE DETAILS REGARDING THIS TORNADO.
Dec 11, 4:04 AM ESTTORNADO4 Se Danville, KYADDITIONAL DAMAGE WAS RELAYED TO THE NWS AND THIS REPORT CORRECTS 2 PREVIOUS BOYLE COUNTY TORNADO TRACKS INTO ONE TRACK FROM DECEMBER 11TH. THE NWS STORM SURVEY DETERMINED THE TORNADO HAD PEAK WINDS OF 110 MPH WITH A MAX WIDTH OF 100 YARDS. THE TORNADO TRAVELE
Dec 11, 4:04 AM ESTTORNADO4 Se Danville, KYAN EF-1 TORNADO OCCURRED 4 MILES SE OF DANVILLE, KY. THE TORNADO HAD A MAX PATH WIDTH OF 50 YARDS WITH A PATH LENGTH OF 0.61 MILES. THE MAX WIND SPEEDS WERE 93 MPH, AND THE TORNADO LIFTED SHORTLY AFTER TOUCHDOWN ABOUT 4 MILES SE OF DANVILLE, KY. PLEASE SEE ASS
Dec 11, 4:09 AM ESTTORNADO5 E Danville, KYAN EF-1 TORNADO OCCURRED 5 MILES EAST OF DANVILLE, KY NEAR HEDGEVILLE, KY. THE TORNADO HAD A MAX PATH WIDTH OF 600 YARDS WITH A PATH LENGTH OF 1.93 MILES. THE MAX WIND SPEED WAS 110 MPH, AND THE TORNADO LIFTED 5 MILES WNW OF LANCASTER, KY. PLEASE SEE ASSOCIATE
Dec 11, 4:09 AM ESTTORNADO5 E Danville, KYAN EF-1 TORNADO OCCURRED 5 MILES EAST OF DANVILLE, KY NEAR HEDGEVILLE, KY. THE TORNADO HAD A MAX PATH WIDTH OF 600 YARDS WITH A PATH LENGTH OF 1.93 MILES. THE MAX WIND SPEED WAS 110 MPH, AND THE TORNADO LIFTED 5 MILES WNW OF LANCASTER, KY. PLEASE SEE ASSOCIATE

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.

IssuedProductOfficeLasted
Dec 10, 7:21 PM ESTTornado WatchSPC10 hr
Dec 11, 2:27 AM ESTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.4 hours before the alert went out and 218 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 391 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

041 
WFUS53 KLMK 110822
TORLMK
KYC021-045-123-137-155-167-229-110900-
/O.NEW.KLMK.TO.W.0027.211211T0822Z-211211T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
322 AM EST Sat Dec 11 2021

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Northwestern Lincoln County in central Kentucky...
  Mercer County in central Kentucky...
  Southeastern Larue County in central Kentucky...
  Marion County in central Kentucky...
  Southeastern Washington County in central Kentucky...
  Boyle County in central Kentucky...
  North central Casey County in central Kentucky...

* Until 400 AM EST.
    
* At 322 AM EST, a tornado producing storm was located near
  Campbellsville, moving northeast at 60 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic storm will be near...
  Lebanon around 330 AM EST.

Other locations in the path of this tornadic thunderstorm include
Danville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3742 8509 3746 8517 3742 8527 3747 8535
      3747 8549 3748 8550 3746 8553 3749 8554
      3789 8483 3774 8469 3774 8470 3772 8470
      3773 8473 3770 8474 3769 8468 3766 8471
      3764 8469 3765 8466 3761 8465 3757 8459
TIME...MOT...LOC 0822Z 243DEG 62KT 3742 8538 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

DM
2 follow-up statements
454 
WWUS53 KLMK 110835
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
335 AM EST Sat Dec 11 2021

KYC123-110844-
/O.CAN.KLMK.TO.W.0027.000000T0000Z-211211T0900Z/
Larue KY-
335 AM EST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHEASTERN LARUE 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 900 AM EST for central
Kentucky.

LAT...LON 3743 8524 3760 8535 3789 8483 3774 8469
      3774 8470 3772 8470 3773 8473 3770 8474
      3769 8468 3766 8471 3764 8469 3765 8466
      3761 8465 3757 8459 3745 8499 3742 8510
      3746 8517
TIME...MOT...LOC 0834Z 240DEG 55KT 3751 8519 

$$

KYC021-045-137-155-167-229-110900-
/O.CON.KLMK.TO.W.0027.000000T0000Z-211211T0900Z/
Lincoln KY-Mercer KY-Marion KY-Washington KY-Boyle KY-Casey KY-
335 AM EST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM EST FOR
NORTHWESTERN LINCOLN...MERCER...SOUTHEASTERN MARION...SOUTHEASTERN
WASHINGTON...BOYLE AND NORTH CENTRAL CASEY COUNTIES...
        
At 334 AM EST, a confirmed tornado was located near Lebanon, moving
northeast at 60 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Danville around 400 AM EST.

Other locations impacted by this tornadic thunderstorm include
Peytons Store, Brumfield, Mackville, Caldwell Manor, Parksville,
Faulconer, Dixville, Jenkinsville, Calvary and Stuart Powell Field
Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3743 8524 3760 8535 3789 8483 3774 8469
      3774 8470 3772 8470 3773 8473 3770 8474
      3769 8468 3766 8471 3764 8469 3765 8466
      3761 8465 3757 8459 3745 8499 3742 8510
      3746 8517
TIME...MOT...LOC 0834Z 240DEG 55KT 3751 8519 

TORNADO...OBSERVED
HAIL...<.75IN

$$

DM
724 
WWUS53 KLMK 110848
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
348 AM EST Sat Dec 11 2021

KYC021-045-137-155-167-229-110900-
/O.CON.KLMK.TO.W.0027.000000T0000Z-211211T0900Z/
Lincoln KY-Mercer KY-Marion KY-Washington KY-Boyle KY-Casey KY-
348 AM EST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM EST FOR
NORTHWESTERN LINCOLN...SOUTHERN MERCER...EAST CENTRAL MARION...
SOUTHEASTERN WASHINGTON...BOYLE AND NORTH CENTRAL CASEY COUNTIES...
    
At 348 AM EST, a severe thunderstorm capable of producing a tornado
was located 12 miles east of Lebanon, moving northeast at 55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Danville around 405 AM EST.

Other locations impacted by this tornadic thunderstorm include
Peytons Store, Brumfield, Alum Springs, Caldwell Manor, Parksville,
Burgin, Forkland, Faulconer, Riverview Estates and Dixville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3744 8504 3764 8516 3788 8482 3774 8469
      3774 8470 3772 8470 3773 8473 3770 8474
      3769 8468 3766 8471 3764 8469 3765 8466
      3761 8465 3757 8459 3745 8499
TIME...MOT...LOC 0848Z 245DEG 46KT 3756 8503 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DM

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 10, 8:20 PM ESTSpecial Weather StatementLMKOhio55 min
Dec 10, 8:48 PM ESTTornado WarningLMKOhio57 min
Dec 10, 9:04 PM ESTSpecial Weather StatementLMKBreckinridge56 min
Dec 10, 9:24 PM ESTSevere Thunderstorm WarningLMKBreckinridge, Hancock36 min
Dec 10, 9:32 PM ESTTornado WarningLMKOhio30 min
Dec 10, 10:21 PM ESTTornado WarningLMKOhio39 min
Dec 10, 10:29 PM ESTSpecial Weather StatementLMKBreckinridge31 min
Dec 10, 10:37 PM ESTTornado WarningLMKBreckinridge, Hardin, Meade17 min
Dec 10, 11:42 PM ESTTornado Warning Tornado observedConsiderable damage threatLMKOhio63 min
Dec 11, 12:07 AM ESTTornado Warning Tornado observedConsiderable damage threatLMKBreckinridge, Grayson, Hancock53 min
Dec 11, 12:51 AM ESTTornado Warning Tornado observedConsiderable damage threatLMKBreckinridge, Hardin, Meade39 min
Dec 11, 1:29 AM ESTSpecial Weather StatementLMKSpencer16 min
Dec 11, 1:30 AM ESTSpecial Weather StatementLMKBullitt15 min
Dec 11, 1:33 AM ESTSpecial Weather StatementLMKHenry, Jefferson, Oldham, Shelby, Trimble27 min
Dec 11, 1:36 AM ESTTornado Warning Tornado observedLMKLogan, Simpson39 min
Dec 11, 1:41 AM ESTSevere Thunderstorm WarningLMKBullitt, Nelson, Spencer34 min
Dec 11, 1:44 AM ESTTornado WarningLMKBullitt, Nelson, Shelby, Spencer46 min
Dec 11, 1:58 AM ESTTornado Warning Tornado observedLMKButler, Edmonson, Logan, Simpson, Warren47 min
Dec 11, 2:27 AM ESTTornado Warning Tornado observedLMKBarren, Butler, Edmonson, Hart, Metcalfe, Warren48 min
Dec 11, 2:28 AM ESTTornado WarningLMKFranklin, Scott20 min
Dec 11, 2:45 AM ESTSpecial Weather StatementLMKBullitt, Hardin, Larue, Nelson, Spencer30 min
Dec 11, 2:55 AM ESTTornado WarningLMKBarren, Green, Hart, Larue, Marion, Metcalfe and 1 more50 min
Dec 11, 3:08 AM ESTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Hardin, Jefferson, Meade115 min
Dec 11, 3:16 AM ESTSevere Thunderstorm WarningLMKAnderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more29 min
Dec 11, 3:16 AM ESTSevere Thunderstorm Warning Considerable damage threatLMKButler, Logan, Simpson, Warren44 min
Dec 11, 3:59 AM ESTTornado WarningLMKBoyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more46 min
Dec 11, 4:00 AM ESTFlash Flood WarningLMKBarren, Butler, Edmonson, Green, Hart, Logan and 3 more6 hr
Dec 11, 4:10 AM ESTAreal Flood AdvisoryLMKAnderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more4 hr
Dec 11, 4:13 AM ESTSevere Thunderstorm WarningLMKAllen, Barren, Butler, Edmonson, Hart, Logan and 2 more32 min
Dec 11, 4:20 AM ESTSevere Thunderstorm WarningLMKBourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more25 min
Dec 11, 4:38 AM ESTSevere Thunderstorm WarningLMKClark, Madison37 min
Dec 11, 4:43 AM ESTAreal Flood AdvisoryLMKAdair, Boyle, Casey, Garrard, Green, Lincoln and 3 more4 hr
Dec 11, 4:47 AM ESTSevere Thunderstorm WarningLMKAllen, Barren, Edmonson, Grayson, Green, Hardin and 7 more28 min
Dec 11, 4:56 AM ESTFlash Flood WarningLMKBreckinridge, Bullitt, Franklin, Grayson, Hancock, Hardin and 6 more3 hr
Dec 11, 5:01 AM ESTTornado WarningLMKGarrard, Madison18 min
Dec 11, 5:18 AM ESTSevere Thunderstorm WarningLMKAdair, Allen, Barren, Casey, Cumberland, Green and 5 more42 min
Dec 11, 5:23 AM ESTTornado WarningLMKClark, Garrard, Lincoln, Madison37 min
Dec 11, 5:27 AM ESTTornado WarningLMKCumberland, Monroe33 min
Dec 11, 5:52 AM ESTTornado WarningLMKCasey, Clinton, Cumberland, Russell23 min
Dec 11, 5:58 AM ESTSevere Thunderstorm WarningLMKAdair, Boyle, Casey, Clark, Fayette, Garrard and 6 more32 min
Dec 11, 5:58 AM ESTSevere Thunderstorm WarningLMKAdair, Boyle, Casey, Green, Lincoln, Marion and 2 more32 min
Dec 11, 6:28 AM ESTSevere Thunderstorm WarningLMKClark, Garrard, Lincoln, Madison32 min
Dec 11, 8:42 AM ESTAreal Flood WarningLMKGarrard, Lincoln, Madison3 hr
Dec 11, 10:18 AM ESTSpecial Weather StatementLMKAnderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more27 min
Dec 11, 11:10 AM ESTSpecial Weather StatementLMKAnderson, Bourbon, Clark, Fayette, Harrison, Jessamine and 6 more65 min

Nearby

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