Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 52, NWS Paducah, KY

December 11, 2021Christian County, Trigg County, Kentucky

NWS Paducah, KY issued this tornado warning at Dec 11, 2021, 12:03 AM CST for Christian County, Trigg County, Kentucky. It was in force for 42 min. 1 report 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, 12:03 AM CST (06:03 UTC)
Expired
Dec 11, 2021, 12:45 AM CST
In force
42 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
0.75 in

Counties Christian County, KY, Trigg County, KY

The radar

The Ft Campbell radar (KHPX), 32 km from the middle of the area, began a volume at 06:02 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, 12:15 AM CSTTORNADO1 Wsw Lafayette, KYPOSSIBLE TORNADO JUST SOUTHWEST OF LAFAYETTE.

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, 3:07 PM CSTTornado WatchSPC11 hr
Dec 10, 6:21 PM CSTTornado WatchSPC10 hr
Dec 10, 11:03 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 6.1 hours before the alert went out and 113 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.

448 
WFUS53 KPAH 110603
TORPAH
KYC047-221-110645-
/O.NEW.KPAH.TO.W.0052.211211T0603Z-211211T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
Issued by National Weather Service Springfield MO
1203 AM CST Sat Dec 11 2021

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  Southern Christian County in south central Kentucky...
  Southeastern Trigg County in western Kentucky...

* Until 1245 AM CST.
    
* At 1202 AM CST, a confirmed large and extremely dangerous tornado
  was located near Big Rock, or 7 miles north of Dover, 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.

* The tornado will be near...
  Fort Campbell around 1220 AM CST.
  Oak Grove around 1225 AM CST.
  Pembroke around 1230 AM CST.

Other locations impacted by this tornadic thunderstorm include
Lafayette and Herndon.

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 3667 8785 3675 8767 3685 8730 3664 8734
      3664 8785
TIME...MOT...LOC 0602Z 246DEG 54KT 3659 8783 

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

$$

Perez
3 follow-up statements
364 
WWUS53 KPAH 110616
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
Issued by National Weather Service Springfield MO
1216 AM CST Sat Dec 11 2021

KYC221-110625-
/O.CAN.KPAH.TO.W.0052.000000T0000Z-211211T0645Z/
Trigg KY-
1216 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHEASTERN TRIGG 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 western
Kentucky. A Tornado Watch also remains in effect until 500 AM CST for
south central and western Kentucky.

LAT...LON 3674 8768 3675 8767 3685 8730 3664 8734
      3664 8770
TIME...MOT...LOC 0615Z 244DEG 54KT 3667 8760 

$$

KYC047-110645-
/O.CON.KPAH.TO.W.0052.000000T0000Z-211211T0645Z/
Christian KY-
1216 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CST FOR SOUTHERN
CHRISTIAN COUNTY...
        
At 1215 AM CST, a confirmed large and extremely dangerous tornado was
located near Fort Campbell, moving northeast at 55 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.

The tornado will be near...
  Fort Campbell around 1220 AM CST.
  Oak Grove around 1225 AM CST.
  Pembroke around 1230 AM CST.

Other locations impacted by this tornadic thunderstorm include
Lafayette and Herndon.

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 3674 8768 3675 8767 3685 8730 3664 8734
      3664 8770
TIME...MOT...LOC 0615Z 244DEG 54KT 3667 8760 

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

$$

Perez
016 
WWUS53 KPAH 110630
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
Issued by National Weather Service Springfield MO
1230 AM CST Sat Dec 11 2021

KYC047-110645-
/O.CON.KPAH.TO.W.0052.000000T0000Z-211211T0645Z/
Christian KY-
1230 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CST FOR
SOUTHEASTERN CHRISTIAN COUNTY...
        
At 1230 AM CST, a confirmed large and extremely dangerous tornado was
located over Pembroke, or 8 miles northeast of Oak Grove, 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.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Christian County.

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 3680 8746 3685 8730 3670 8733 3670 8746
TIME...MOT...LOC 0630Z 246DEG 54KT 3676 8733 

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

$$

Perez
679 
WWUS53 KPAH 110636
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
Issued by National Weather Service Springfield MO
1236 AM CST Sat Dec 11 2021

KYC047-110646-
/O.EXP.KPAH.TO.W.0052.000000T0000Z-211211T0645Z/
Christian KY-
1236 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHEASTERN CHRISTIAN COUNTY WILL EXPIRE
AT 1245 AM CST...
        
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 500 AM CST for south central
Kentucky.

LAT...LON 3680 8746 3685 8730 3670 8733 3670 8746
TIME...MOT...LOC 0636Z 246DEG 54KT 3680 8723 

$$

Perez

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 7:12 PM CSTTornado WarningPAHHopkins, McLean, Muhlenberg48 min
Dec 10, 8:19 PM CSTTornado WarningPAHChristian, Hopkins, Muhlenberg41 min
Dec 10, 8:26 PM CSTTornado WarningPAHCaldwell, Christian, Hopkins, Trigg34 min
Dec 10, 8:29 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHFulton, Hickman61 min
Dec 10, 8:48 PM CSTTornado WarningPAHChristian, Hopkins, Muhlenberg42 min
Dec 10, 9:05 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHGraves, Marshall40 min
Dec 10, 9:21 PM CSTSevere Thunderstorm WarningPAHBallard39 min
Dec 10, 9:25 PM CSTTornado WarningPAHMcLean, Muhlenberg20 min
Dec 10, 9:26 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatPAHGraves9 min
Dec 10, 9:40 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHGraves, Livingston, Lyon, Marshall50 min
Dec 10, 9:45 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatPAHMarshall15 min
Dec 10, 9:49 PM CSTSevere Thunderstorm WarningPAHBallard, Carlisle, McCracken41 min
Dec 10, 10:09 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHCaldwell, Christian, Hopkins, Lyon51 min
Dec 10, 10:17 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatPAHCaldwell13 min
Dec 10, 10:30 PM CSTTornado WarningPAHCrittenden, Livingston45 min
Dec 10, 10:31 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatPAHCaldwell, Hopkins29 min
Dec 10, 10:36 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHHopkins, McLean, Muhlenberg39 min
Dec 10, 10:44 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatPAHHopkins, Muhlenberg31 min
Dec 10, 10:58 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatPAHMcLean, Muhlenberg17 min
Dec 10, 11:11 PM CSTSevere Thunderstorm WarningPAHCrittenden, Hopkins, Union, Webster36 min
Dec 10, 11:17 PM CSTTornado WarningPAHWebster28 min
Dec 10, 11:37 PM CSTTornado WarningPAHDaviess, Henderson, McLean, Webster34 min
Dec 10, 11:40 PM CSTTornado Warning Tornado observedConsiderable damage threatPAHCalloway15 min
Dec 11, 12:29 AM CSTTornado Warning Tornado observedConsiderable damage threatPAHTodd21 min
Dec 11, 1:46 AM CSTFlash Flood WarningPAHCalloway, Christian, Todd, Trigg8 hr
Dec 11, 1:49 AM CSTSevere Thunderstorm WarningPAHChristian, Todd26 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.