Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 30, NWS Louisville, KY

December 11, 20214 counties in Kentucky

NWS Louisville, KY issued this tornado warning at Dec 11, 2021, 5:23 AM EST for 4 counties in Kentucky. It was in force for 37 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, 5:23 AM EST (10:23 UTC)
Expired
Dec 11, 2021, 6:00 AM EST
In force
37 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Clark County, KY, Garrard County, KY, Lincoln County, KY, Madison County, KY

The radar

The Jackson,KY radar (KJKL), 77 km from the middle of the area, began a volume at 10:25 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.

IssuedProductOfficeLasted
Dec 11, 2:27 AM ESTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.4 hours before the alert went out and 193 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, Cncnati-Daytn, OH at 00:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 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
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

Open this sounding in Storm Lab

The text

As transmitted.

372 
WFUS53 KLMK 111023
TORLMK
KYC049-079-137-151-111100-
/O.NEW.KLMK.TO.W.0030.211211T1023Z-211211T1100Z/

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

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Northeastern Lincoln County in central Kentucky...
  Southeastern Garrard County in central Kentucky...
  Southeastern Clark County in central Kentucky...
  Madison County in central Kentucky...

* Until 600 AM EST.
    
* At 523 AM EST, a severe thunderstorm capable of producing a tornado
  was located near Lancaster, moving northeast at 70 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.

* Locations impacted include...
  Harris Ferry.

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 3786 8401 3787 8403 3784 8400 3785 8406
      3782 8407 3785 8408 3782 8412 3781 8408
      3778 8411 3777 8408 3767 8409 3765 8413
      3759 8411 3752 8430 3754 8435 3750 8436
      3748 8445 3743 8456 3759 8467 3794 8397
TIME...MOT...LOC 1023Z 241DEG 61KT 3755 8453 

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

$$

MCK
3 follow-up statements
480 
WWUS53 KLMK 111038
SVSLMK

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

KYC079-137-111048-
/O.CAN.KLMK.TO.W.0030.000000T0000Z-211211T1100Z/
Lincoln KY-Garrard KY-
538 AM EST Sat Dec 11 2021

...THE TORNADO WARNING FOR NORTHEASTERN LINCOLN AND SOUTHEASTERN
GARRARD COUNTIES 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 3786 8401 3787 8403 3784 8400 3785 8406
      3782 8407 3785 8408 3782 8412 3781 8408
      3778 8411 3777 8408 3767 8409 3765 8413
      3759 8411 3752 8430 3772 8440 3794 8397
TIME...MOT...LOC 1038Z 241DEG 61KT 3767 8425 

$$

KYC049-151-111100-
/O.CON.KLMK.TO.W.0030.000000T0000Z-211211T1100Z/
Clark KY-Madison KY-
538 AM EST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM EST FOR
SOUTHEASTERN CLARK AND EASTERN MADISON COUNTIES...
    
At 538 AM EST, a severe thunderstorm capable of producing a tornado
was located near Richmond, moving northeast at 70 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.

Locations impacted include...
Richmond, Harris Ferry, Berea, Caleast, Duluth, Peytontown, Bighill,
Panola, Kingston and Mina.

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 3786 8401 3787 8403 3784 8400 3785 8406
      3782 8407 3785 8408 3782 8412 3781 8408
      3778 8411 3777 8408 3767 8409 3765 8413
      3759 8411 3752 8430 3772 8440 3794 8397
TIME...MOT...LOC 1038Z 241DEG 61KT 3767 8425 

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

$$

MCK
490 
WWUS53 KLMK 111045
SVSLMK

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

KYC049-151-111100-
/O.CON.KLMK.TO.W.0030.000000T0000Z-211211T1100Z/
Clark KY-Madison KY-
545 AM EST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM EST FOR
SOUTHEASTERN CLARK AND SOUTHEASTERN MADISON COUNTIES...
    
At 545 AM EST, a severe thunderstorm capable of producing a tornado
was located near Blackburn, 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.

Locations impacted include...
Richmond, Harris Ferry, Moberly, Panola, Mina, Speedwell, Bybee,
College Hill, Log Lick and Combs.

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 3787 8403 3784 8400 3785 8406 3782 8407
      3785 8408 3782 8412 3781 8408 3778 8411
      3777 8408 3767 8409 3765 8413 3759 8411
      3759 8420 3774 8427 3790 8401 3786 8401
TIME...MOT...LOC 1045Z 231DEG 46KT 3768 8420 

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

$$

MCK
566 
WWUS53 KLMK 111054
SVSLMK

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

KYC049-151-111104-
/O.EXP.KLMK.TO.W.0030.000000T0000Z-211211T1100Z/
Clark KY-Madison KY-
554 AM EST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHEASTERN CLARK AND SOUTHEASTERN
MADISON COUNTIES WILL EXPIRE AT 600 AM EST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 AM EST for central
Kentucky.

LAT...LON 3787 8403 3784 8400 3785 8406 3782 8407
      3785 8408 3782 8412 3781 8408 3778 8411
      3777 8408 3767 8409 3765 8413 3759 8411
      3759 8420 3774 8427 3790 8401 3786 8401
TIME...MOT...LOC 1054Z 241DEG 61KT 3775 8404 

$$

MCK

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, 3:22 AM ESTTornado Warning Tornado observedLMKBoyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more38 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, 5:27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.