Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 57, NWS Nashville, TN

December 11, 20216 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Dec 11, 2021, 3:33 AM CST for 6 counties in Tennessee. It was in force for 42 min. 12 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 11, 2021, 3:33 AM CST (09:33 UTC)
Expired
Dec 11, 2021, 4:15 AM CST
In force
42 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Davidson County, TN, Macon County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 16 km from the middle of the area, began a volume at 09:36 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, 3:33 AM CSTTSTM WND DMG1 Sse Hendersonville, TNROOF BLOWN OFF OF HOME ON PRIVATE DRIVE. #TSPOTTER REPORT AND PHOTOS FROM TWITTER.
Dec 11, 3:33 AM CSTTORNADO5 S Lakewood, TNTHIS BRIEF EF0 TORNADO TOUCHED DOWN NEAR THE STONES RIVER AT I-40 IN HERMITAGE AND MOVED NORTHEAST, CAUSING MINOR ROOF AND SIDING DAMAGE TO NUMEROUS HOMES IN THE RIVERWOOD AND ADJACENT SUBDIVISIONS. MORE HOMES WERE DAMAGED ON SEVILLE DRIVE, SEVERAL TREES WERE
Dec 11, 3:34 AM CSTTSTM WND DMG2 Ese Hendersonville, TNSEVERAL LARGE TREES UPROOTED ON AT CUMBERLAND HILLS NEAR LAKE PARK DRIVE IN HENDERSONVILLE. TWITTER REPORT.
Dec 11, 3:34 AM CSTTSTM WND DMG3 S Green Hill, TNMINOR HOME DAMAGE, 24 INCH DIAMETER TREES SNAPPED AND UPROOTED AND DAMAGES TO FENCES ON THORNWOOD COURT.
Dec 11, 3:35 AM CSTTSTM WND DMG3 E Hendersonville, TNTREES DOWN ON JONES LANE IN EXTREME NORTH MOUNT JULIET.
Dec 11, 3:35 AM CSTTSTM WND DMGHendersonville, TNDUE TO HIGH WINDS, MULTIPLE STREETS WERE BLOCKED BY DOWNED TREES AND POWER LINES.
Dec 11, 3:38 AM CSTTSTM WND DMG2 Ene Mount Juliet, TNWELDS BROKEN ON 3 METAL SIGNS CEMENTED INTO CONCRETE AT MT. JULIET HIGH SCHOOL. STRUCTURAL ENGINEER ESTIMATED WINDS IN EXCESS OF 70+ MPH.
Dec 11, 3:38 AM CSTTSTM WND DMG2 Ene Mount Juliet, TNWELDS BROKEN ON 3 METAL SIGNS WHERE CEMENTED INTO CONCRETE AT MT. JULIET HIGH SCHOOL. STRUCTURAL ENGINEER ESTIMATED WINDS IN EXCESS OF 70+ MPH.
Dec 11, 3:40 AM CSTTSTM WND DMG1 Nw Gallatin, TNSTRAIGHT LINE WINDS DAMAGED SEVERAL HOMES AND BLEW DOWN NUMEROUS TREES ALONG LONG HOLLOW PIKE AND ADJACENT SIDE STREETS BETWEEN HIGHWAY 109 AND DOWNTOWN GALLATIN. WINDS WERE ESTIMATED UP TO 70 MPH.
Dec 11, 3:43 AM CSTTSTM WND DMG3 Wnw Lebanon, TNNUMEROUS TREES WERE BLOWN DOWN AND A FEW HOMES SUFFERED MINOR ROOF DAMAGE ON ORCHARD HILL LANE.
Dec 11, 3:54 AM CSTTSTM WND DMG7 Se Hartsville, TNTREE FELL ON CAR ON ROME ROAD IN RIDDLETON. REPORT VIA TWITTER.
Dec 11, 3:54 AM CSTTSTM WND DMG7 Se Hartsville, TNTREE FELL ON CAR ON ROME ROAD IN RIDDLETON. TWITTER.

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, 6:21 PM CSTTornado WatchSPC10 hr
Dec 10, 10:44 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.6 hours before the alert went out and 25 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.

379 
WFUS54 KOHX 110933
TOROHX
TNC037-111-159-165-169-189-111015-
/O.NEW.KOHX.TO.W.0057.211211T0933Z-211211T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
333 AM CST Sat Dec 11 2021

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Northwestern Smith County in Middle Tennessee...
  Northeastern Davidson County in Middle Tennessee...
  Southern Sumner County in Middle Tennessee...
  Northern Wilson County in Middle Tennessee...
  Southwestern Macon County in Middle Tennessee...
  Trousdale County in Middle Tennessee...

* Until 415 AM CST.
    
* At 333 AM CST, a severe thunderstorm capable of producing a tornado
  was located over Hermitage, or 9 miles east of Nashville, 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...
  Belinda City around 340 AM CST.
  Lebanon and Mount Juliet around 345 AM CST.
  Hartsville around 405 AM CST.

Other locations impacted by this tornadic thunderstorm include Green
Hill, Percy Priest Lake, Bledsoe Creek State Park, Dickerson Chapel
Recreation Area and Dixon Springs.

This includes the following highways...
 Interstate 40 between mile markers 215 and 236.
 Interstate 65 between mile markers 92 and 93.

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 3608 8668 3628 8675 3652 8617 3642 8602
      3628 8600
TIME...MOT...LOC 0933Z 241DEG 49KT 3617 8662 

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

$$

10
3 follow-up statements
982 
WWUS54 KOHX 110940
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
340 AM CST Sat Dec 11 2021

TNC037-111-159-165-169-189-111015-
/O.CON.KOHX.TO.W.0057.000000T0000Z-211211T1015Z/
Smith TN-Davidson TN-Sumner TN-Wilson TN-Macon TN-Trousdale TN-
340 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CST FOR
NORTHWESTERN SMITH...NORTHEASTERN DAVIDSON...SOUTHERN SUMNER...
NORTHERN WILSON...SOUTHWESTERN MACON AND TROUSDALE COUNTIES...
        
At 339 AM CST, a confirmed large and extremely dangerous tornado was
located over Mount Juliet, or 10 miles west of Lebanon, moving 
northeast at 55 mph. In addition, another confirmed tornado is east 
of Hendersonville moving toward Gallatin.

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...
  Lebanon around 345 AM CST.
  Hartsville around 405 AM CST.

Other locations impacted by this tornadic thunderstorm include Green
Hill, Percy Priest Lake, Bledsoe Creek State Park, Dickerson Chapel
Recreation Area and Dixon Springs.

This includes the following highways...
 Interstate 40 between mile markers 215 and 236.
 Interstate 65 between mile markers 92 and 93.

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 3608 8668 3628 8675 3652 8617 3642 8602
      3628 8600
TIME...MOT...LOC 0939Z 241DEG 49KT 3621 8652 

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

$$

10
589 
WWUS54 KOHX 110949
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
349 AM CST Sat Dec 11 2021

TNC037-110958-
/O.CAN.KOHX.TO.W.0057.000000T0000Z-211211T1015Z/
Davidson TN-
349 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR NORTHEASTERN DAVIDSON 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 500 AM CST for Middle
Tennessee. A Tornado Watch also remains in effect until 1100 AM CST
for Middle Tennessee.

LAT...LON 3615 8645 3640 8645 3652 8617 3642 8602
      3628 8600
TIME...MOT...LOC 0948Z 241DEG 49KT 3628 8637 

$$

TNC111-159-165-169-189-111015-
/O.CON.KOHX.TO.W.0057.000000T0000Z-211211T1015Z/
Smith TN-Sumner TN-Wilson TN-Macon TN-Trousdale TN-
349 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CST FOR
NORTHWESTERN SMITH...SOUTHEASTERN SUMNER...NORTHEASTERN WILSON...
SOUTHWESTERN MACON AND TROUSDALE COUNTIES...
    
At 348 AM CST, a severe thunderstorm capable of producing a tornado
was located near Lebanon, 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...
  Hartsville around 405 AM CST.

Other locations impacted by this tornadic thunderstorm include
Dickerson Chapel Recreation Area, Bledsoe Creek State Park and Dixon
Springs.

This includes Interstate 40 between mile markers 230 and 235.
 
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 3615 8645 3640 8645 3652 8617 3642 8602
      3628 8600
TIME...MOT...LOC 0948Z 241DEG 49KT 3628 8637 

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

$$

10
339 
WWUS54 KOHX 111010
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
410 AM CST Sat Dec 11 2021

TNC111-159-165-169-189-111019-
/O.EXP.KOHX.TO.W.0057.000000T0000Z-211211T1015Z/
Smith TN-Sumner TN-Wilson TN-Macon TN-Trousdale TN-
410 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR NORTHWESTERN SMITH...SOUTHEASTERN
SUMNER...NORTHEASTERN WILSON...SOUTHWESTERN MACON AND TROUSDALE
COUNTIES WILL EXPIRE AT 415 AM CST...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 500 AM CST for Middle
Tennessee. A Tornado Watch also remains in effect until 1100 AM CST
for Middle Tennessee.

LAT...LON 3615 8645 3640 8645 3652 8617 3642 8602
      3628 8600
TIME...MOT...LOC 1009Z 241DEG 49KT 3641 8607 

$$

10

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 11:29 PM CSTTornado Warning Tornado observedOHXStewart46 min
Dec 11, 12:03 AM CSTTornado Warning Tornado observedConsiderable damage threatOHXMontgomery, Stewart16 min
Dec 11, 12:19 AM CSTSevere Thunderstorm WarningOHXMontgomery, Stewart41 min
Dec 11, 1:28 AM CSTSevere Thunderstorm WarningOHXStewart21 min
Dec 11, 1:47 AM CSTSevere Thunderstorm Warning Considerable damage threatOHXDickson, Hickman, Houston, Humphreys, Lewis, Montgomery and 2 more73 min
Dec 11, 2:03 AM CSTTornado WarningOHXHouston, Humphreys, Stewart27 min
Dec 11, 2:07 AM CSTTornado WarningOHXDickson, Hickman, Humphreys, Perry38 min
Dec 11, 2:23 AM CSTTornado WarningOHXDickson, Houston, Montgomery, Stewart37 min
Dec 11, 2:38 AM CSTTornado WarningOHXDickson, Hickman, Humphreys37 min
Dec 11, 2:39 AM CSTTornado WarningOHXCheatham, Dickson, Montgomery14 min
Dec 11, 2:47 AM CSTSevere Thunderstorm WarningOHXCheatham, Davidson, Dickson, Hickman, Lewis, Maury and 5 more58 min
Dec 11, 2:58 AM CSTTornado WarningOHXCheatham, Davidson, Dickson, Williamson32 min
Dec 11, 2:59 AM CSTTornado WarningOHXDavidson, Williamson31 min
Dec 11, 3:19 AM CSTSevere Thunderstorm WarningOHXDavidson, Hickman, Lewis, Marshall, Maury, Robertson and 5 more41 min
Dec 11, 3:21 AM CSTTornado WarningOHXDavidson, Sumner, Wilson39 min
Dec 11, 3:29 AM CSTSevere Thunderstorm Warning Destructive damage threatOHXDavidson, Rutherford, Smith, Sumner, Trousdale, Williamson and 1 more46 min
Dec 11, 3:46 AM CSTTornado WarningOHXClay, Macon, Sumner, Trousdale44 min
Dec 11, 3:48 AM CSTSevere Thunderstorm WarningOHXLewis, Perry, Wayne42 min
Dec 11, 3:50 AM CSTSevere Thunderstorm Warning Considerable damage threatOHXClay, DeKalb, Jackson, Macon, Putnam, Smith and 3 more17 min
Dec 11, 3:56 AM CSTTornado WarningOHXLewis, Perry, Wayne13 min
Dec 11, 4:07 AM CSTTornado WarningOHXClay, Jackson, Macon, Overton, Smith, Trousdale38 min
Dec 11, 4:11 AM CSTSevere Thunderstorm Warning Considerable damage threatOHXClay, Fentress, Jackson, Macon, Overton, Pickett and 4 more34 min
Dec 11, 4:33 AM CSTTornado WarningOHXClay, Fentress, Overton, Pickett42 min
Dec 11, 5:01 AM CSTSevere Thunderstorm WarningOHXGiles, Lawrence, Lewis, Marshall, Maury29 min
Dec 11, 5:21 AM CSTSevere Thunderstorm WarningOHXOverton, Putnam27 min
Dec 11, 5:39 AM CSTSevere Thunderstorm WarningOHXGiles, Lawrence, Wayne36 min
Dec 11, 5:56 AM CSTSevere Thunderstorm WarningOHXGiles, Lawrence, Marshall, Maury34 min
Dec 11, 6:13 AM CSTTornado WarningOHXGiles15 min
Dec 11, 6:58 AM CSTSevere Thunderstorm WarningOHXBedford, Coffee, Grundy, Warren32 min
Dec 11, 7:22 AM CSTSevere Thunderstorm WarningOHXCoffee, Grundy38 min
Dec 11, 7:35 AM CSTTornado WarningOHXGrundy25 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.