Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 155, NWS Nashville, TN

December 11, 202111 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Dec 11, 2021, 2:47 AM CST for 11 counties in Tennessee. It was in force for 58 min. 20 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, 2:47 AM CST (08:47 UTC)
Expired
Dec 11, 2021, 3:45 AM CST
In force
58 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Cheatham County, TN, Davidson County, TN, Dickson County, TN, Hickman County, TN, Lewis County, TN, Maury County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Sumner County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 52 km from the middle of the area, began a volume at 08:46 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, 2:56 AM CSTTORNADO1 E White Bluff, TN*** 1 INJ *** THE TORNADO TOUCHED DOWN NEAR HIGHWAY 70 BETWEEN WHITE BLUFF AND KINGSTON SPRINGS, AND CONTINUED EAST-NORTHEAST WHERE IT PRODUCED ROOF DAMAGE TO A FEW HOMES. WHILE STAYING NORTH OF HIGHWAY 70, THERE WAS DAMAGE TO HOMES ON SNEED ROAD WHERE ROOF SE
Dec 11, 3:00 AM CSTTSTM WND DMGKingston Springs, TNSIGNIFICANT STRUCTURE DAMAGE WAS REPORTED TO HOMES AND BUSINESSES. NUMEROUS TREES AND POWER LINES WERE BLOWN DOWN, BLOCKING ROADS THROUGHOUT KINGSTON SPRINGS.
Dec 11, 3:05 AM CSTTSTM WND DMG5 Nne Pegram, TNMULTIPLE TREES WERE BLOWN DOWN ON CARS ON INDIAN SPRINGS RD AND POND CREEK ROAD.
Dec 11, 3:12 AM CSTTORNADO8 Ne Pegram, TNTHIS EF0 TORNADO TOUCHED DOWN IN WESTERN DAVIDSON COUNTY NEAR CUB CREEK ROAD AND MOVED EASTWARD ACROSS BELLS BEND AND COCKRILL BEND JUST NORTH OF JOHN TUNE AIRPORT, CROSSING THE CUMBERLAND RIVER TWICE AND BLOWING DOWN NUMEROUS TREES. MOVING ACROSS THE CUMBERLA
Dec 11, 3:15 AM CSTTSTM WND DMG7 Nw Belle Meade, TNTREES AND POWER LINES WERE BLOWN DOWN AND STRUCTURE DAMAGE WAS REPORTED ALONG OLD HICKORY BLVD AND TIDWELL HOLLOW RD.
Dec 11, 3:18 AM CSTTSTM WND DMG1 E Brentwood, TNONE-HALF DOZEN TREES SNAPPED NEAR CONCORD ROAD AND WILSON PIKE.
Dec 11, 3:18 AM CSTTSTM WND DMG8 Wnw Nashville, TNTWITTER REPORT OF TREES DOWN IN BELLS BEND AREA. TIME ESTIMATED VIA RADAR.
Dec 11, 3:20 AM CSTTSTM WND DMG2 Ese Oak Hill, TNSEVERE STRAIGHT LINE WINDS CAUSED SPORADIC WIND DAMAGE THROUGHOUT A ROUGHLY 6 MILES WIDE SWATH ACROSS MUCH OF THE SOUTHEAST NASHVILLE AREAS OF BRENTWOOD, CRIEVE HALL, THE ELLINGTON AG CENTER, NIPPERS CORNER, ANTIOCH, NASHBORO VILLAGE, AND AROUND THE NASHVILLE
Dec 11, 3:20 AM CSTTSTM WND DMG3 Nnw Brentwood, TNNUMEROUS TREES AND POWER LINES WERE BLOWN DOWN.
Dec 11, 3:20 AM CSTTSTM WND DMG4 Nw Nashville, TNTREES, POWER LINES, AND SIGNS WERE BLOWN DOWN ALONG CLARKSVILLE PIKE.
Dec 11, 3:23 AM CSTTSTM WND DMG2 Se Oak Hill, TNSEVERAL POWER POLES SNAPPED IN CRIEVE HALL ALONG BRENTVIEW HILLS DRIVE NEAR STALLWORTH DRIVE. TWITTER REPORT.
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, 3:28 AM CSTTSTM WND GST 78Nashville Intl Airport, TNNASHVILLE INTL AIRPORT ASOS MEASURED A PEAK WIND GUST OF 78 MPH. THIS IS THE THIRD HIGHEST WIND GUST EVER MEASURED AT THE AIRPORT.
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 CSTTSTM WND GST 692 Nne Brentwood, TNMESONET STATION EW9547 BRENTWOOD.
Dec 11, 3:31 AM CSTTSTM WND GST 692 Nne Brentwood, TNMESONET STATION EW9547 BRENTWOOD.
Dec 11, 3:31 AM CSTNON-TSTM WND GST 692 Nne Brentwood, TNMESONET STATION EW9547 BRENTWOOD.
Dec 11, 3:31 AM CSTNON-TSTM WND GST 692 Nne Brentwood, TNMESONET STATION EW9547 BRENTWOOD.
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, 3:33 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

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, 8.8 hours before the alert went out and 46 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.

178 
WUUS54 KOHX 110847
SVROHX
TNC021-037-043-081-101-119-125-135-147-165-187-110945-
/O.NEW.KOHX.SV.W.0155.211211T0847Z-211211T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
247 AM CST Sat Dec 11 2021

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Davidson County in Middle Tennessee...
  Northern Lewis County in Middle Tennessee...
  Eastern Dickson County in Middle Tennessee...
  Eastern Montgomery County in Middle Tennessee...
  Northwestern Maury County in Middle Tennessee...
  Southwestern Sumner County in Middle Tennessee...
  Western Williamson County in Middle Tennessee...
  Cheatham County in Middle Tennessee...
  Southeastern Perry County in Middle Tennessee...
  Central Hickman County in Middle Tennessee...
  Robertson County in Middle Tennessee...

* Until 345 AM CST.

* At 247 AM CST, severe thunderstorms were located along a line
  extending from near Guthrie to 6 miles south of Burns to 9 miles
  west of Hohenwald, moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Franklin, Springfield, Ashland City, Hohenwald, Centerville,
  Nashville, Clarksville, Madison, Hendersonville, Brentwood,
  Goodlettsville, White House, Millersville, Greenbrier, Forest
  Hills, Mount Pleasant, Oak Hill, Coopertown, White Bluff and Belle
  Meade.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3612 8661 3554 8724 3548 8793 3598 8729
      3664 8733 3665 8671
TIME...MOT...LOC 0847Z 255DEG 52KT 3662 8721 3597 8731 3551 8772 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

13

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, 2:58 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, 3:33 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

Severe Thunderstorm Warnings in Tennessee, 2021Every severe thunderstorm warning 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.