Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 17, NWS Louisville, KY

December 10, 2021Breckinridge County, Hardin County, Meade County, Kentucky; Harrison County, Indiana

NWS Louisville, KY issued this tornado warning at Dec 10, 2021, 9:37 PM CST for Breckinridge County, Hardin County, Meade County, Kentucky; Harrison County, Indiana. It was in force for 17 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 10, 2021, 9:37 PM CST (03:37 UTC)
Expired
Dec 10, 2021, 9:54 PM CST
In force
17 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Harrison County, IN, Breckinridge County, KY, Hardin County, KY, Meade County, KY

The radar

The Louisville radar (KLVX), 7 km from the middle of the area, began a volume at 03:39 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 10, 6:21 PM CSTTornado WatchSPC10 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.6 hours before the alert went out and 207 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.

216 
WFUS53 KLMK 110337
TORLMK
INC061-KYC027-093-163-110415-
/O.NEW.KLMK.TO.W.0017.211211T0337Z-211211T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
1037 PM EST Fri Dec 10 2021

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Southeastern Harrison County in south central Indiana...
  Southeastern Meade County in central Kentucky...
  North central Hardin County in central Kentucky...
  East central Breckinridge County in central Kentucky...

* Until 1115 PM EST/1015 PM CST/.
    
* At 1037 PM EST/937 PM CST/, a severe thunderstorm capable of
  producing a tornado was located 10 miles east of Hardinsburg,
  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...
  Brandenburg around 1050 PM EST.

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 3785 8638 3807 8602 3801 8594 3801 8595
      3798 8590 3794 8590 3795 8586 3794 8585
      3793 8585 3792 8583 3778 8628
TIME...MOT...LOC 0337Z 239DEG 48KT 3782 8628 

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

$$

DM
1 follow-up statement
465 
WWUS53 KLMK 110354
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1054 PM EST Fri Dec 10 2021

INC061-KYC027-093-163-110404-
/O.CAN.KLMK.TO.W.0017.000000T0000Z-211211T0415Z/
Harrison IN-Meade KY-Hardin KY-Breckinridge KY-
1054 PM EST Fri Dec 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN HARRISON...SOUTHEASTERN
MEADE...NORTH CENTRAL HARDIN AND EAST CENTRAL BRECKINRIDGE COUNTIES
IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 300 AM EST/200 AM CST/ for
south central Indiana...and central Kentucky.

LAT...LON 3785 8638 3807 8602 3801 8594 3801 8595
      3798 8590 3794 8590 3795 8586 3794 8585
      3793 8585 3792 8583 3778 8628
TIME...MOT...LOC 0353Z 239DEG 48KT 3794 8602 

$$

DM

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 7:20 PM CSTSpecial Weather StatementLMKOhio55 min
Dec 10, 7:48 PM CSTTornado WarningLMKOhio57 min
Dec 10, 8:04 PM CSTSpecial Weather StatementLMKBreckinridge56 min
Dec 10, 8:24 PM CSTSevere Thunderstorm WarningLMKBreckinridge, Hancock36 min
Dec 10, 8:32 PM CSTTornado WarningLMKOhio30 min
Dec 10, 9:21 PM CSTTornado WarningLMKOhio39 min
Dec 10, 9:29 PM CSTSpecial Weather StatementLMKBreckinridge31 min
Dec 10, 10:42 PM CSTTornado Warning Tornado observedConsiderable damage threatLMKOhio63 min
Dec 10, 11:07 PM CSTTornado Warning Tornado observedConsiderable damage threatLMKBreckinridge, Grayson, Hancock53 min
Dec 10, 11:51 PM CSTTornado Warning Tornado observedConsiderable damage threatLMKBreckinridge, Hardin, Meade39 min
Dec 11, 12:29 AM CSTSpecial Weather StatementLMKSpencer16 min
Dec 11, 12:30 AM CSTSpecial Weather StatementLMKBullitt15 min
Dec 11, 12:33 AM CSTSpecial Weather StatementLMKHenry, Jefferson, Oldham, Shelby, Trimble27 min
Dec 11, 12:36 AM CSTTornado Warning Tornado observedLMKLogan, Simpson39 min
Dec 11, 12:41 AM CSTSevere Thunderstorm WarningLMKBullitt, Nelson, Spencer34 min
Dec 11, 12:44 AM CSTTornado WarningLMKBullitt, Nelson, Shelby, Spencer46 min
Dec 11, 12:58 AM CSTTornado Warning Tornado observedLMKButler, Edmonson, Logan, Simpson, Warren47 min
Dec 11, 1:27 AM CSTTornado Warning Tornado observedLMKBarren, Butler, Edmonson, Hart, Metcalfe, Warren48 min
Dec 11, 1:28 AM CSTTornado WarningLMKFranklin, Scott20 min
Dec 11, 1:45 AM CSTSpecial Weather StatementLMKBullitt, Hardin, Larue, Nelson, Spencer30 min
Dec 11, 1:55 AM CSTTornado WarningLMKBarren, Green, Hart, Larue, Marion, Metcalfe and 1 more50 min
Dec 11, 2:08 AM CSTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Hardin, Jefferson, Meade115 min
Dec 11, 2:16 AM CSTSevere Thunderstorm WarningLMKAnderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more29 min
Dec 11, 2:16 AM CSTSevere Thunderstorm Warning Considerable damage threatLMKButler, Logan, Simpson, Warren44 min
Dec 11, 2:22 AM CSTTornado Warning Tornado observedLMKBoyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more38 min
Dec 11, 2:59 AM CSTTornado WarningLMKBoyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more46 min
Dec 11, 3:00 AM CSTFlash Flood WarningLMKBarren, Butler, Edmonson, Green, Hart, Logan and 3 more6 hr
Dec 11, 3:10 AM CSTAreal Flood AdvisoryLMKAnderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more4 hr
Dec 11, 3:13 AM CSTSevere Thunderstorm WarningLMKAllen, Barren, Butler, Edmonson, Hart, Logan and 2 more32 min
Dec 11, 3:20 AM CSTSevere Thunderstorm WarningLMKBourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more25 min
Dec 11, 3:38 AM CSTSevere Thunderstorm WarningLMKClark, Madison37 min
Dec 11, 3:43 AM CSTAreal Flood AdvisoryLMKAdair, Boyle, Casey, Garrard, Green, Lincoln and 3 more4 hr
Dec 11, 3:47 AM CSTSevere Thunderstorm WarningLMKAllen, Barren, Edmonson, Grayson, Green, Hardin and 7 more28 min
Dec 11, 3:56 AM CSTFlash Flood WarningLMKBreckinridge, Bullitt, Franklin, Grayson, Hancock, Hardin and 6 more3 hr
Dec 11, 4:01 AM CSTTornado WarningLMKGarrard, Madison18 min
Dec 11, 4:18 AM CSTSevere Thunderstorm WarningLMKAdair, Allen, Barren, Casey, Cumberland, Green and 5 more42 min
Dec 11, 4:23 AM CSTTornado WarningLMKClark, Garrard, Lincoln, Madison37 min
Dec 11, 4:27 AM CSTTornado WarningLMKCumberland, Monroe33 min
Dec 11, 4:52 AM CSTTornado WarningLMKCasey, Clinton, Cumberland, Russell23 min
Dec 11, 4:58 AM CSTSevere Thunderstorm WarningLMKAdair, Boyle, Casey, Clark, Fayette, Garrard and 6 more32 min
Dec 11, 4:58 AM CSTSevere Thunderstorm WarningLMKAdair, Boyle, Casey, Green, Lincoln, Marion and 2 more32 min
Dec 11, 5:28 AM CSTSevere Thunderstorm WarningLMKClark, Garrard, Lincoln, Madison32 min
Dec 11, 7:42 AM CSTAreal Flood WarningLMKGarrard, Lincoln, Madison3 hr
Dec 11, 9:18 AM CSTSpecial Weather StatementLMKAnderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more27 min
Dec 11, 10:10 AM CSTSpecial Weather StatementLMKAnderson, Bourbon, Clark, Fayette, Harrison, Jessamine and 6 more65 min
Dec 11, 1:01 AM CSTSpecial Weather StatementLMKCrawford14 min

Nearby

Tornado Warnings in Kentucky, 2021Tornado Warnings in Indiana, 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.