Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 147, NWS Nashville, TN

December 6, 2021Giles County, Lawrence County, Wayne County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Dec 6, 2021, 6:32 AM CST for Giles County, Lawrence County, Wayne County, Tennessee. It was in force for 58 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, 6:32 AM CST (12:32 UTC)
Expired: Dec 6, 2021, 7:30 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 Giles County, TN, Lawrence County, TN, Wayne County, TN

The radar

The Northeast Alabama radar (KHTX), 106 km from the middle of the area, began a volume at 12:34 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

Time	Report	Where	Remark
Dec 6, 6:34 AM CST	TORNADO	12 W Lawrenceburg, TN	A BRIEF EF0 TORNADO TOUCHED DOWN ALONG KEY WEST ROAD, BLOWING DOWN SEVERAL TREES. IT MOVED EAST TO POND FIELD ROAD, UPROOTING A FEW LARGE TREES. THE TORNADO LIFTED JUST A FEW HUNDRED YARDS TO THE EAST IN AN OPEN FIELD. PATH LENGTH 500 YARDS AND PATH WIDTH 25 Y
Dec 6, 6:38 AM CST	TSTM WND DMG	12 W Lawrenceburg, TN	TREES DOWN ON BOTH SIDE OF KEY WEST ROAD NEAR POND FIELD ROAD. NUMEROUS OTHER TREES DOWN IN THE WESTPOINT AREA.
Dec 6, 6:48 AM CST	TSTM WND DMG	Lawrenceburg, TN	EMERGENCY MANAGER REPORTED 155 HOUSES WITHOUT POWER DUE TO LIMBS DOWN ON POWER LINES. LOCATIONS AROUND LAWRENCEBURG. TIME ESTIMATED VIA RADAR.
Dec 6, 6:48 AM CST	TSTM WND DMG	Lawrenceburg, TN	TREES ACROSS ROAD ON LOVERS LANE. TIME ESTIMATED VIA RADAR.

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, 0.5 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

689 
WUUS54 KOHX 061232
SVROHX
TNC055-099-181-061330-
/O.NEW.KOHX.SV.W.0147.211206T1232Z-211206T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
632 AM CST Mon Dec 6 2021

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Wayne County in Middle Tennessee...
  Lawrence County in Middle Tennessee...
  Giles County in Middle Tennessee...

* Until 730 AM CST.

* At 632 AM CST, severe thunderstorms were located along a line 
  extending from near Summertown to Collinwood, moving east at 50 
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lawrenceburg, Pulaski, Loretto, Summertown, Ardmore, St. Joseph,
  Elkton, Minor Hill, Ethridge, Lynnville, Henryville, Cypress Inn,
  Goodspring, Leoma, Westpoint, Frankewing, Iron City and Prospect.

This includes Interstate 65 between mile markers 1 and 22.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3501 8783 3541 8751 3542 8745 3546 8745
      3546 8733 3543 8723 3544 8716 3546 8713
      3543 8703 3541 8699 3542 8698 3542 8694
      3541 8692 3535 8692 3534 8690 3532 8691
      3530 8686 3532 8685 3529 8683 3499 8684
TIME...MOT...LOC 1232Z 272DEG 44KT 3544 8738 3505 8771 

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

$$

Shamburger

1 follow-up statement

659 
WWUS54 KOHX 061303
SVSOHX

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

TNC181-061312-
/O.CAN.KOHX.SV.W.0147.000000T0000Z-211206T1330Z/
Wayne TN-
703 AM CST Mon Dec 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAYNE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3501 8758 3525 8726 3544 8716 3546 8713
      3543 8703 3541 8699 3542 8698 3542 8694
      3541 8692 3535 8692 3534 8690 3532 8691
      3530 8686 3532 8685 3529 8683 3499 8684
TIME...MOT...LOC 1302Z 272DEG 44KT 3543 8695 3504 8728 

$$

TNC055-099-061330-
/O.CON.KOHX.SV.W.0147.000000T0000Z-211206T1330Z/
Lawrence TN-Giles TN-
703 AM CST Mon Dec 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CST
FOR SOUTHEASTERN LAWRENCE AND GILES COUNTIES...

At 702 AM CST, severe thunderstorms were located along a line
extending from 9 miles west of Lewisburg to 7 miles northeast of
Lexington, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Pulaski, Loretto, Ardmore, St. Joseph, Elkton, Minor Hill, Lynnville,
Goodspring, Leoma, Frankewing and Prospect.

This includes Interstate 65 between mile markers 1 and 22.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3501 8758 3525 8726 3544 8716 3546 8713
      3543 8703 3541 8699 3542 8698 3542 8694
      3541 8692 3535 8692 3534 8690 3532 8691
      3530 8686 3532 8685 3529 8683 3499 8684
TIME...MOT...LOC 1302Z 272DEG 44KT 3543 8695 3504 8728 

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

$$

Schaper

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 5, 6:25 PM CST	Special Weather Statement	OHX	Hickman	35 min
Dec 6, 12:53 AM CST	Special Weather Statement	OHX	Stewart	52 min
Dec 6, 3:54 AM CST	Severe Thunderstorm Warning	OHX	Houston, Montgomery, Stewart	51 min
Dec 6, 4:14 AM CST	Tornado Warning	OHX	Stewart	16 min
Dec 6, 4:39 AM CST	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Montgomery, Robertson	41 min
Dec 6, 4:51 AM CST	Tornado Warning	OHX	Montgomery, Robertson	12 min
Dec 6, 5:09 AM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Robertson, Sumner, Wilson	36 min
Dec 6, 5:16 AM CST	Special Weather Statement	OHX	Dickson, Hickman, Perry	59 min
Dec 6, 5:46 AM CST	Special Weather Statement	OHX	Macon, Smith, Sumner, Trousdale, Wilson	44 min
Dec 6, 6:02 AM CST	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Smith, Trousdale, Wilson	43 min
Dec 6, 6:03 AM CST	Tornado Warning	OHX	Macon, Smith, Trousdale	27 min
Dec 6, 6:38 AM CST	Severe Thunderstorm Warning	OHX	Clay, Fentress, Jackson, Overton, Pickett, Putnam and 1 more	37 min
Dec 6, 6:40 AM CST	Tornado Warning	OHX	Giles, Lawrence	35 min
Dec 6, 6:56 AM CST	Tornado Warning	OHX	Clay, Overton, Pickett	19 min
Dec 6, 7:11 AM CST	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Pickett, Putnam	49 min
Dec 6, 7:15 AM CST	Tornado Warning	OHX	Fentress, Pickett	30 min
Dec 6, 7:21 AM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee, Giles, Marshall	39 min
Dec 6, 7:40 AM CST	Tornado Warning	OHX	Bedford, Coffee	21 min
Dec 6, 7:59 AM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	31 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2021 Every 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.