Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 37, NWS Paducah, KY

December 10, 2021McLean County, Muhlenberg County, Kentucky

NWS Paducah, KY issued this tornado warning at Dec 10, 2021, 9:25 PM CST for McLean County, Muhlenberg County, Kentucky. It was in force for 20 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, 9:25 PM CST (03:25 UTC)
Expired
Dec 10, 2021, 9:45 PM CST
In force
20 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties McLean County, KY, Muhlenberg County, KY

The radar

The Ft Campbell radar (KHPX), 72 km from the middle of the area, began a volume at 03:27 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, 3:07 PM CSTTornado WatchSPC11 hr
Dec 10, 6:21 PM CSTTornado WatchSPC10 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.4 hours before the alert went out and 145 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.

102 
WFUS53 KPAH 110325
TORPAH
KYC149-177-110345-
/O.NEW.KPAH.TO.W.0037.211211T0325Z-211211T0345Z/

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

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  North central Muhlenberg County in south central Kentucky...
  Southeastern McLean County in northwestern Kentucky...

* Until 945 PM CST.
    
* At 924 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Bremen, 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 tornadic thunderstorm will remain over mainly rural areas of
  north central Muhlenberg and southeastern McLean Counties,
  including the following locations... South Carrollton, Bremen,
  Kirtley, Smallhous and Island.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3734 8710 3736 8708 3738 8710 3734 8714
      3733 8713 3731 8718 3736 8723 3747 8712
      3746 8710 3738 8709 3737 8708 3737 8705
      3736 8703 3735 8705
TIME...MOT...LOC 0324Z 236DEG 47KT 3738 8715 

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

$$

SP
1 follow-up statement
554 
WWUS53 KPAH 110336
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
936 PM CST Fri Dec 10 2021

KYC149-177-110346-
/O.EXP.KPAH.TO.W.0037.000000T0000Z-211211T0345Z/
Muhlenberg KY-McLean KY-
936 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR NORTH CENTRAL MUHLENBERG AND SOUTHEASTERN
MCLEAN COUNTIES WILL EXPIRE AT 945 PM 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 1100 PM CST for northwestern
Kentucky. A Tornado Watch also remains in effect until 200 AM CST for
south central Kentucky.

LAT...LON 3734 8710 3736 8708 3738 8710 3734 8714
      3733 8713 3731 8718 3736 8723 3747 8712
      3746 8710 3738 8709 3737 8708 3737 8705
      3736 8703 3735 8705
TIME...MOT...LOC 0336Z 236DEG 47KT 3746 8699 

$$

SP

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, 9:26 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, 12:03 AM CSTTornado Warning Tornado observedConsiderable damage threatPAHChristian, Trigg42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.