Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 46, NWS Nashville, TN

December 6, 2021Bedford County, Coffee County, Tennessee

NWS Nashville, TN issued this tornado warning at Dec 6, 2021, 7:40 AM CST for Bedford County, Coffee County, Tennessee. It was in force for 21 min. 3 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, 7:40 AM CST (13:40 UTC)
Expired
Dec 6, 2021, 8:01 AM CST
In force
21 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bedford County, TN, Coffee County, TN

The radar

The Northeast Alabama radar (KHTX), 52 km from the middle of the area, began a volume at 13:40 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, 7:40 AM CSTTORNADO6 Sw Normandy, TNTHIS TORNADO TOUCHED DOWN IN THE RAUS COMMUNITY NEAR SMITH CHAPEL ROAD AT ELIJAH PARKER ROAD IN FAR SOUTHERN BEDFORD COUNTY, WHERE IT CAUSED EF0 DAMAGE INCLUDING BLOWING DOWN A WALL AT THE RAUS COMMUNITY CENTER AND KNOCKING DOWN TREES ON POWELL HOLLOW ROAD. MO
Dec 6, 7:48 AM CSTTSTM WND DMG2 Ne Tullahoma, TNBRECKENRIDGE COMMUNITY TREES DOWN. TIME ESTIMATED VIA RADAR.
Dec 6, 7:53 AM CSTTSTM WND DMGTullahoma, TNREPORT OF TREES AND POWERLINES DOWN ON MARBURY ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 1.7 hours before the alert went out and 89 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 12:00Z on 2021-12-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 250 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 12:00Z on 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 509 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
250 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
509 m²/s²
0-3 km storm-relative helicity
600 m²/s²
Significant tornado parameter
1.0
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted.

887 
WFUS54 KOHX 061340
TOROHX
TNC003-031-061415-
/O.NEW.KOHX.TO.W.0046.211206T1340Z-211206T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
740 AM CST Mon Dec 6 2021

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southern Coffee County in Middle Tennessee...
  Southeastern Bedford County in Middle Tennessee...

* Until 815 AM CST.
    
* At 739 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Tullahoma, or 8 miles southeast of Shelbyville,
  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...
  Tullahoma around 745 AM CST.
  Manchester around 755 AM CST.

Other locations impacted by this tornadic thunderstorm include
Normandy, Raus, Hillsboro and Arnold AFB.

This includes Interstate 24 between mile markers 107 and 124.
 
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 3551 8643 3554 8593 3534 8592 3534 8603
      3536 8616 3535 8616 3533 8620 3535 8621
      3534 8626 3535 8624 3537 8628 3538 8625
      3539 8628 3541 8625 3541 8628 3538 8633
      3536 8633 3535 8641 3533 8641 3533 8643
TIME...MOT...LOC 1339Z 270DEG 48KT 3542 8632 

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

$$

10
3 follow-up statements
149 
WWUS54 KOHX 061347
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
747 AM CST Mon Dec 6 2021

TNC003-031-061415-
/O.CON.KOHX.TO.W.0046.000000T0000Z-211206T1415Z/
Coffee TN-Bedford TN-
747 AM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CST FOR SOUTHERN
COFFEE AND EAST CENTRAL BEDFORD COUNTIES...
    
At 747 AM CST, a severe thunderstorm capable of producing a tornado
was located near Tullahoma, or near Manchester, 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...
  Manchester around 755 AM CST.

Other locations impacted by this tornadic thunderstorm include
Hillsboro, Normandy and Arnold AFB.

This includes Interstate 24 between mile markers 109 and 124.
 
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 3548 8630 3554 8593 3534 8592 3534 8603
      3536 8616 3535 8616 3533 8620 3535 8621
      3534 8626 3535 8624 3537 8628 3538 8625
      3539 8628 3541 8625 3541 8628 3539 8632
TIME...MOT...LOC 1347Z 270DEG 48KT 3542 8619 

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

$$

10
645 
WWUS54 KOHX 061357
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
757 AM CST Mon Dec 6 2021

TNC003-061407-
/O.CAN.KOHX.TO.W.0046.000000T0000Z-211206T1415Z/
Bedford TN-
757 AM CST Mon Dec 6 2021

...THE TORNADO WARNING FOR EAST CENTRAL BEDFORD COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3554 8593 3534 8592 3534 8603 3536 8613
      3541 8611 3552 8606
TIME...MOT...LOC 1357Z 270DEG 48KT 3542 8602 

$$

TNC031-061415-
/O.CON.KOHX.TO.W.0046.000000T0000Z-211206T1415Z/
Coffee TN-
757 AM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CST FOR
SOUTHEASTERN COFFEE COUNTY...
    
At 757 AM CST, a severe thunderstorm capable of producing a tornado
was located near Manchester, 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Coffee County, including the following locations...
Hillsboro and Arnold AFB.

This includes Interstate 24 between mile markers 112 and 124.
 
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 3554 8593 3534 8592 3534 8603 3536 8613
      3541 8611 3552 8606
TIME...MOT...LOC 1357Z 270DEG 48KT 3542 8602 

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

$$

10
838 
WWUS54 KOHX 061401
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
801 AM CST Mon Dec 6 2021

TNC031-061410-
/O.CAN.KOHX.TO.W.0046.000000T0000Z-211206T1415Z/
Coffee TN-
801 AM CST Mon Dec 6 2021

...THE TORNADO WARNING FOR SOUTHEASTERN COFFEE COUNTY IS CANCELLED...
    
The tornado threat has diminished. However, damaging winds remain 
likely and a Severe Thunderstorm Warning remains in effect for the 
area.

Remember, a Severe Thunderstorm Warning still remains in effect for
eastern Coffee County.

LAT...LON 3554 8593 3534 8592 3534 8603 3536 8613
      3541 8611 3552 8606
TIME...MOT...LOC 1359Z 270DEG 48KT 3542 8596 

$$

10

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 5, 6:25 PM CSTSpecial Weather StatementOHXHickman35 min
Dec 6, 12:53 AM CSTSpecial Weather StatementOHXStewart52 min
Dec 6, 3:54 AM CSTSevere Thunderstorm WarningOHXHouston, Montgomery, Stewart51 min
Dec 6, 4:14 AM CSTTornado WarningOHXStewart16 min
Dec 6, 4:39 AM CSTSevere Thunderstorm WarningOHXCheatham, Dickson, Houston, Montgomery, Robertson41 min
Dec 6, 4:51 AM CSTTornado WarningOHXMontgomery, Robertson12 min
Dec 6, 5:09 AM CSTSevere Thunderstorm WarningOHXCheatham, Davidson, Dickson, Robertson, Sumner, Wilson36 min
Dec 6, 5:16 AM CSTSpecial Weather StatementOHXDickson, Hickman, Perry59 min
Dec 6, 5:46 AM CSTSpecial Weather StatementOHXMacon, Smith, Sumner, Trousdale, Wilson44 min
Dec 6, 6:02 AM CSTSevere Thunderstorm WarningOHXClay, Jackson, Macon, Smith, Trousdale, Wilson43 min
Dec 6, 6:03 AM CSTTornado WarningOHXMacon, Smith, Trousdale27 min
Dec 6, 6:32 AM CSTSevere Thunderstorm WarningOHXGiles, Lawrence, Wayne58 min
Dec 6, 6:38 AM CSTSevere Thunderstorm WarningOHXClay, Fentress, Jackson, Overton, Pickett, Putnam and 1 more37 min
Dec 6, 6:40 AM CSTTornado WarningOHXGiles, Lawrence35 min
Dec 6, 6:56 AM CSTTornado WarningOHXClay, Overton, Pickett19 min
Dec 6, 7:11 AM CSTSevere Thunderstorm WarningOHXCumberland, Fentress, Overton, Pickett, Putnam49 min
Dec 6, 7:15 AM CSTTornado WarningOHXFentress, Pickett30 min
Dec 6, 7:21 AM CSTSevere Thunderstorm WarningOHXBedford, Coffee, Giles, Marshall39 min
Dec 6, 7:59 AM CSTSevere Thunderstorm WarningOHXCoffee, Grundy, Warren31 min

Nearby

Tornado Warnings in Tennessee, 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.