Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 56, NWS Nashville, TN

December 11, 2021Davidson County, Sumner County, Wilson County, Tennessee

NWS Nashville, TN issued this tornado warning at Dec 11, 2021, 3:21 AM CST for Davidson County, Sumner County, Wilson County, Tennessee. It was in force for 39 min. 10 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, 3:21 AM CST (09:21 UTC)
Expired
Dec 11, 2021, 4:00 AM CST
In force
39 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Davidson County, TN, Sumner County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 8 km from the middle of the area, began a volume at 09:24 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, 3:25 AM CSTTSTM WND DMG5 W Lakewood, TNSEVERE STRAIGHT LINE WINDS CAUSED SIGNIFICANT DAMAGE IN MADISON ACROSS A ROUGHLY 1/2 MILE WIDE BY 2 MILE LONG SWATH FROM BRILEY PARKWAY AT GALLATIN PIKE NORTHEASTWARD TO NEELYS BEND ROAD. NUMEROUS TREES WERE SNAPPED AND UPROOTED, ESPECIALLY IN THE NATIONAL CEM
Dec 11, 3:30 AM CSTTSTM WND DMGNashville, TNTREES AND POWER LINES WERE BLOWN DOWN ACROSS NASHVILLE AREA. AROUND 80,000 CUSTOMERS LOST POWER.
Dec 11, 3:31 AM CSTTORNADO2 Nnw Lakewood, TNA TORNADO TOUCHED DOWN IN OLD HICKORY ON ORCHARD DRIVE UPROOTING SEVERAL LARGE TREES AND CAUSING ROOF DAMAGE TO MULTIPLE HOMES. IT MOVED ACROSS OLD HICKORY LAKE AND DOWNED POWER LINES AND TREES FROM WALTON FERRY TO SANDERS FERRY ROAD IN HENDERSONVILLE. THE HEA
Dec 11, 3:32 AM CSTTSTM WND DMG1 Sse Hendersonville, TNDOCKS DESTROYED AND PONTOON BOAT BLOWN OVER AT CHEROKEE ROAD NEAR PRIVATE DRIVE. TWITTER REPORT.
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, 3:34 AM CSTTSTM WND DMG2 Ese Hendersonville, TNSEVERAL LARGE TREES UPROOTED ON AT CUMBERLAND HILLS NEAR LAKE PARK DRIVE IN HENDERSONVILLE. TWITTER REPORT.
Dec 11, 3:35 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, 3:40 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, 3:42 AM CSTTORNADO4 Nne Gallatin, TNTHE TORNADO TOUCHED DOWN ON LINDSEY HOLLOW ROAD AND MOVED NORTHEAST TOWARD PHOSPHATE LANE WHERE A FEW TREES WERE SNAPPED OR UPROOTED, AN OUTBUILDING WAS DESTROYED, AND THE ROOF OF A HOME WAS DAMAGED. THE TORNADO CONTINUED NORTHEAST CAUSING TREE DAMAGE ALONG WR

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, 9.4 hours before the alert went out and 19 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.

294 
WFUS54 KOHX 110921
TOROHX
TNC037-165-189-111000-
/O.NEW.KOHX.TO.W.0056.211211T0921Z-211211T1000Z/

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

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Central Davidson County in Middle Tennessee...
  Southern Sumner County in Middle Tennessee...
  Northwestern Wilson County in Middle Tennessee...

* Until 400 AM CST.
    
* At 320 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Nashville, moving northeast at 50 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...
  Madison, Lakewood and Old Hickory around 330 AM CST.
  Goodlettsville around 335 AM CST.
  Hendersonville and Mount Juliet around 340 AM CST.
  Gallatin around 350 AM CST.

Other locations impacted by this tornadic thunderstorm include Green
Hill, Bledsoe Creek State Park, Cottontown, Whites Creek and Beaman
Park.

This includes the following highways...
 Interstate 40 between mile markers 204 and 209.
 Interstate 65 between mile markers 85 and 101.
 Interstate 24 between mile markers 37 and 49.

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 3614 8685 3626 8696 3651 8647 3644 8634
      3629 8627
TIME...MOT...LOC 0920Z 241DEG 45KT 3622 8683 

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

$$

10
2 follow-up statements
380 
WWUS54 KOHX 110947
SVSOHX

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

TNC037-110957-
/O.CAN.KOHX.TO.W.0056.000000T0000Z-211211T1000Z/
Davidson TN-
347 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR CENTRAL DAVIDSON COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning 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.

LAT...LON 3644 8634 3629 8627 3621 8658 3624 8659
      3625 8661 3625 8664 3629 8664 3630 8667
      3632 8668 3632 8670 3634 8672 3638 8673
      3651 8647
TIME...MOT...LOC 0947Z 227DEG 53KT 3631 8634 

$$

TNC165-189-111000-
/O.CON.KOHX.TO.W.0056.000000T0000Z-211211T1000Z/
Sumner TN-Wilson TN-
347 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CST FOR SOUTHERN
SUMNER AND NORTHWESTERN WILSON COUNTIES...
    
At 347 AM CST, a severe thunderstorm capable of producing a tornado
was located 7 miles north of Lebanon, moving northeast at 60 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
southern Sumner and northwestern Wilson Counties, including the
following locations... Green Hill, Bledsoe Creek State Park and
Cottontown.

This includes Interstate 65 between mile markers 98 and 101.
 
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 3644 8634 3629 8627 3621 8658 3624 8659
      3625 8661 3625 8664 3629 8664 3630 8667
      3632 8668 3632 8670 3634 8672 3638 8673
      3651 8647
TIME...MOT...LOC 0947Z 227DEG 53KT 3631 8634 

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

$$

10
587 
WWUS54 KOHX 110958
SVSOHX

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

TNC165-189-111008-
/O.EXP.KOHX.TO.W.0056.000000T0000Z-211211T1000Z/
Sumner TN-Wilson TN-
358 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHERN SUMNER AND NORTHWESTERN WILSON
COUNTIES WILL EXPIRE AT 400 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 Middle
Tennessee.

LAT...LON 3644 8634 3629 8627 3621 8658 3624 8659
      3625 8661 3625 8664 3629 8664 3630 8667
      3632 8668 3632 8670 3634 8672 3638 8673
      3651 8647
TIME...MOT...LOC 0958Z 241DEG 45KT 3638 8619 

$$

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, 3:29 AM CSTSevere Thunderstorm Warning Destructive damage threatOHXDavidson, Rutherford, Smith, Sumner, Trousdale, Williamson and 1 more46 min
Dec 11, 3:33 AM CSTTornado WarningOHXDavidson, Macon, Smith, Sumner, Trousdale, Wilson42 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.