Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 27, NWS Paducah, KY

December 6, 2021Calloway County, Graves County, Kentucky

NWS Paducah, KY issued this tornado warning at Dec 6, 2021, 3:28 AM CST for Calloway County, Graves County, Kentucky. It was in force for 32 min. 4 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 6, 2021, 3:28 AM CST (09:28 UTC)
Expired
Dec 6, 2021, 4:00 AM CST
In force
32 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Calloway County, KY, Graves County, KY

The radar

The Paducah radar (KPAH), 65 km from the middle of the area, began a volume at 09:27 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.

What was reported inside it

TimeReportWhereRemark
Dec 6, 3:30 AM CSTTSTM WND DMG3 S Sedalia, KYREPORT FROM MPING: TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF.
Dec 6, 3:39 AM CSTTSTM WND DMG1 Sse Lynn Grove, KYDAMAGE TO A BARN. TREES AND POWERLINES DOWNED. DAMAGE CONCENTRATED ALONG CHEROKEE TRAIL NEAR LYNN GROVE. TIME ESTIMATED FROM RADAR.
Dec 6, 3:41 AM CSTTSTM WND DMG2 E Harris Grove, KYTREE DOWNED ONTO A HOUSE ON CROSSLAND ROAD.
Dec 6, 3:50 AM CSTTSTM WND DMG4 Ene Murray, KYSIGNIFICANT TREE AND POWERLINE DAMAGE REPORTED ALONG AND NEAR HIGHWAY 280 TWO TO THREE MILES EAST OF MURRAY. POSSIBLE TORNADO.

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 5, 8:59 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.5 hours before the alert went out and 169 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 2021-12-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 666 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 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.193958Sfc1 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
666 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
484 m²/s²
Significant tornado parameter
1.1
Supercell composite
5.4

Open this sounding in Storm Lab

The text

As transmitted.

688 
WFUS53 KPAH 060928
TORPAH
KYC035-083-061000-
/O.NEW.KPAH.TO.W.0027.211206T0928Z-211206T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
328 AM CST Mon Dec 6 2021

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  Calloway County in western Kentucky...
  Southeastern Graves County in western Kentucky...

* Until 400 AM CST.
    
* At 327 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Sedalia, or 9 miles south of Mayfield, moving east
  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...
  Murray around 345 AM CST.

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 3650 8866 3653 8879 3670 8866 3662 8805
      3654 8803 3650 8805
TIME...MOT...LOC 0927Z 281DEG 48KT 3661 8864 

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

$$

DRS
2 follow-up statements
711 
WWUS53 KPAH 060941
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
341 AM CST Mon Dec 6 2021

KYC083-060950-
/O.CAN.KPAH.TO.W.0027.000000T0000Z-211206T1000Z/
Graves KY-
341 AM CST Mon Dec 6 2021

...THE TORNADO WARNING FOR SOUTHEASTERN GRAVES 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 400 AM CST for western
Kentucky.

LAT...LON 3650 8849 3668 8849 3662 8805 3654 8803
      3650 8805
TIME...MOT...LOC 0940Z 281DEG 48KT 3657 8842 

$$

KYC035-061000-
/O.CON.KPAH.TO.W.0027.000000T0000Z-211206T1000Z/
Calloway KY-
341 AM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CST FOR CALLOWAY
COUNTY...
    
At 340 AM CST, a severe thunderstorm capable of producing a tornado
was located near Murray, moving east 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...
  Murray around 345 AM CST.

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 3650 8849 3668 8849 3662 8805 3654 8803
      3650 8805
TIME...MOT...LOC 0940Z 281DEG 48KT 3657 8842 

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

$$

DRS
256 
WWUS53 KPAH 061003
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
403 AM CST Mon Dec 6 2021

KYC035-061013-
/O.EXP.KPAH.TO.W.0027.000000T0000Z-211206T1000Z/
Calloway KY-
403 AM CST Mon Dec 6 2021

...THE TORNADO WARNING FOR CALLOWAY COUNTY HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty 
winds and heavy rain are still possible with this line 
of thunderstorm.

LAT...LON 3650 8849 3668 8849 3662 8805 3654 8803
      3650 8805
TIME...MOT...LOC 1003Z 281DEG 48KT 3651 8806 

$$

DRS

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 5, 6:57 PM CSTSpecial Weather StatementPAHCarlisle33 min
Dec 5, 7:11 PM CSTSevere Thunderstorm WarningPAHBallard, Carlisle, Graves, Livingston, McCracken23 min
Dec 5, 7:38 PM CSTSpecial Weather StatementPAHMcCracken37 min
Dec 5, 8:09 PM CSTSevere Thunderstorm WarningPAHCalloway, Marshall, Trigg36 min
Dec 5, 8:26 PM CSTSpecial Weather StatementPAHMuhlenberg49 min
Dec 5, 8:31 PM CSTTornado WarningPAHCrittenden, Livingston, Lyon11 min
Dec 5, 8:40 PM CSTSevere Thunderstorm WarningPAHChristian, Hopkins, Muhlenberg50 min
Dec 6, 12:24 AM CSTSpecial Weather StatementPAHCrittenden, Daviess, Hopkins, McLean, Webster51 min
Dec 6, 12:40 AM CSTSevere Thunderstorm WarningPAHDaviess50 min
Dec 6, 2:45 AM CSTSpecial Weather StatementPAHCarlisle45 min
Dec 6, 3:24 AM CSTSpecial Weather StatementPAHCalloway, Graves, Trigg51 min
Dec 6, 4:12 AM CSTSpecial Weather StatementPAHChristian, Todd33 min
Dec 6, 4:41 AM CSTTornado Warning Tornado observedPAHTodd19 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.