Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS Nashville, TN

May 6, 20217 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 6, 2021, 5:45 PM CDT for 7 counties in Tennessee. It was in force for 45 min. 2 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: May 6, 2021, 5:45 PM CDT (22:45 UTC)
Expired: May 6, 2021, 6:30 PM CDT
In force: 45 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bedford County, TN, Giles County, TN, Lawrence County, TN, Marshall County, TN, Maury County, TN, Rutherford County, TN, Williamson County, TN

The radar

The Northeast Alabama radar (KHTX), 72 km from the middle of the area, began a volume at 22:48 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
May 6, 5:51 PM CDT	TSTM WND DMG	Lynnville, TN	REPORTS OF TREES DOWN ACROSS COUNTY. PICTURE OF TREE DOWN IN LYNNVILLE.
May 6, 6:28 PM CDT	TSTM WND DMG	2 Sw Shelbyville, TN	A COUPLE TREES DOWN IN THE FLAT CREEK AREA.

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, 10.8 hours before the alert went out and 91 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1719 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: -90 m²/s²
0-3 km storm-relative helicity: -71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

126 
WUUS54 KOHX 062245
SVROHX
TNC003-055-099-117-119-149-187-062330-
/O.NEW.KOHX.SV.W.0080.210506T2245Z-210506T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
545 PM CDT Thu May 6 2021

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Marshall County in Middle Tennessee...
  Southwestern Rutherford County in Middle Tennessee...
  Southeastern Lawrence County in Middle Tennessee...
  Eastern Maury County in Middle Tennessee...
  Southeastern Williamson County in Middle Tennessee...
  Giles County in Middle Tennessee...
  Bedford County in Middle Tennessee...

* Until 630 PM CDT.

* At 545 PM CDT, severe thunderstorms were located along a line
  extending from near Thompson's Station to near 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...
  Columbia, Shelbyville, Lewisburg, Pulaski, Spring Hill, Thompson's
  Station, Chapel Hill, Ardmore, Cornersville, Eagleville, Elkton,
  Minor Hill, Bell Buckle, Lynnville, Culleoka, Fosterville, Rover,
  Belfast, Goodspring and Frankewing.

This includes the following highways...
 Interstate 65 between mile markers 1 and 57.
 Interstate 24 between mile markers 86 and 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 8739 3581 8690 3576 8627 3532 8642
      3533 8646 3536 8649 3535 8653 3537 8659
      3533 8660 3531 8668 3525 8675 3526 8683
      3499 8684
TIME...MOT...LOC 2245Z 284DEG 44KT 3579 8686 3500 8732 

HAIL...<.75IN
WIND...60MPH
 
$$

10

1 follow-up statement

075 
WWUS54 KOHX 062302
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
602 PM CDT Thu May 6 2021

TNC099-062311-
/O.CAN.KOHX.SV.W.0080.000000T0000Z-210506T2330Z/
Lawrence TN-
602 PM CDT Thu May 6 2021

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

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

LAT...LON 3500 8722 3576 8678 3576 8627 3532 8642
      3533 8646 3536 8649 3535 8653 3537 8659
      3533 8660 3531 8668 3525 8675 3526 8683
      3499 8684
TIME...MOT...LOC 2301Z 284DEG 44KT 3575 8664 3496 8710 

$$

TNC003-055-117-119-149-187-062330-
/O.CON.KOHX.SV.W.0080.000000T0000Z-210506T2330Z/
Marshall TN-Rutherford TN-Maury TN-Williamson TN-Giles TN-Bedford TN-
602 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR MARSHALL...SOUTHWESTERN RUTHERFORD...SOUTHEASTERN MAURY...
SOUTHEASTERN WILLIAMSON...GILES AND BEDFORD COUNTIES...

At 601 PM CDT, severe thunderstorms were located along a line
extending from 14 miles south of Nolensville to 13 miles northeast of
Rogersville, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Shelbyville, Lewisburg, Pulaski, Chapel Hill, Ardmore, Cornersville,
Eagleville, Elkton, Minor Hill, Bell Buckle, Lynnville, Christiana,
Fosterville, Rover, Belfast, Goodspring, Deason, Frankewing, Rockvale
and Prospect.

This includes the following highways...
 Interstate 65 between mile markers 1 and 39.
 Interstate 24 between mile markers 86 and 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 8722 3576 8678 3576 8627 3532 8642
      3533 8646 3536 8649 3535 8653 3537 8659
      3533 8660 3531 8668 3525 8675 3526 8683
      3499 8684
TIME...MOT...LOC 2301Z 284DEG 44KT 3575 8664 3496 8710 

HAIL...<.75IN
WIND...60MPH
 
$$

10

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 3:44 PM CDT	Special Weather Statement	OHX	Stewart	46 min
May 6, 4:04 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	26 min
May 6, 4:18 PM CDT	Special Weather Statement	OHX	Dickson, Houston, Humphreys	42 min
May 6, 4:27 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Montgomery, Robertson, Stewart	33 min
May 6, 4:35 PM CDT	Special Weather Statement	OHX	Hickman, Lewis, Perry, Wayne	40 min
May 6, 4:44 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Hickman, Houston, Humphreys, Montgomery and 3 more	31 min
May 6, 4:56 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Robertson, Sumner	34 min
May 6, 5:05 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Hickman, Lawrence, Lewis, Marshall, Maury and 2 more	40 min
May 6, 5:09 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Rutherford, Smith and 4 more	36 min
May 6, 5:29 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner, Trousdale	31 min
May 6, 5:42 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Smith, Sumner, Trousdale, Williamson and 1 more	33 min
May 6, 6:00 PM CDT	Special Weather Statement	OHX	Macon, Trousdale	45 min
May 6, 6:13 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, DeKalb, Jackson, Putnam, Rutherford and 4 more	47 min
May 6, 6:27 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Grundy, Rutherford, Warren	48 min
May 6, 6:58 PM CDT	Special Weather Statement	OHX	Cumberland, DeKalb, Fentress, Jackson, Overton, Putnam and 3 more	47 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.