Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 76, NWS Nashville, TN

May 6, 20218 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 6, 2021, 5:05 PM CDT for 8 counties in Tennessee. It was in force for 40 min. 8 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, 5:05 PM CDT (22:05 UTC)
Expired: May 6, 2021, 5:45 PM CDT
In force: 40 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Giles County, TN, Hickman County, TN, Lawrence County, TN, Lewis County, TN, Marshall County, TN, Maury County, TN, Wayne County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 102 km from the middle of the area, began a volume at 22:04 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, 5:18 PM CDT	TSTM WND DMG	Hohenwald, TN	REPORTS OF TREES DOWN ON WOODMERE DRIVE AND MULTIPLE REPORTS OF STRONG WINDS ACROSS THE AREA.
May 6, 5:36 PM CDT	TSTM WND DMG	Ethridge, TN	TREE DOWN ON HOUSE WITH PEOPLE TRAPPED HIGHWAY 43.
May 6, 5:42 PM CDT	TSTM WND DMG	3 Sw Columbia, TN	LARGE TREE SNAPPED.
May 6, 5:42 PM CDT	TSTM WND DMG	3 W Lawrenceburg, TN	EM REPORTED TREES DOWN ALONG GRANDDADDY RD NEAR TN-242. POWER POLES SNAPPED AT ETHRIDGE.
May 6, 5:42 PM CDT	TSTM WND DMG	Columbia, TN	REPORT OF TREE BLOCKING ROAD 3900 BLOCK OF HIGHWAY 431 AND SKELLEY ROAD.
May 6, 5:42 PM CDT	TSTM WND DMG	Mount Pleasant, TN	REPORT OF TREES DOWN AND POWER OUTAGES COUNTY WIDE. APPROXIMATELY 2700 PEOPLE WITHOUT POWER.
May 6, 5:42 PM CDT	TSTM WND DMG	Mount Pleasant, TN	REPORT OF TREES DOWN ON ZION ROAD. #TSPOTTER
May 6, 5:51 PM CDT	TSTM WND DMG	Lynnville, TN	REPORTS OF TREES DOWN ACROSS COUNTY. PICTURE OF TREE DOWN IN LYNNVILLE.

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, 10.1 hours before the alert went out and 90 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.

514 
WUUS54 KOHX 062205
SVROHX
TNC055-081-099-101-117-119-181-187-062245-
/O.NEW.KOHX.SV.W.0076.210506T2205Z-210506T2245Z/

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

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Lewis County in Middle Tennessee...
  Southeastern Wayne County in Middle Tennessee...
  Marshall County in Middle Tennessee...
  Lawrence County in Middle Tennessee...
  Maury County in Middle Tennessee...
  Southern Williamson County in Middle Tennessee...
  Giles County in Middle Tennessee...
  Eastern Hickman County in Middle Tennessee...

* Until 545 PM CDT.

* At 505 PM CDT, severe thunderstorms were located along a line
  extending from 10 miles northeast of Centerville to near Hohenwald
  to 8 miles southwest of Collinwood, moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Columbia, Lewisburg, Lawrenceburg, Pulaski, Hohenwald, Centerville,
  Waynesboro, Spring Hill, Mount Pleasant, Thompson's Station,
  Loretto, Collinwood, Summertown, Chapel Hill, Cornersville, St.
  Joseph, Minor Hill, Ethridge, Lynnville and Gordonsburg.

This includes the following highways...
 Interstate 65 between mile markers 19 and 61.
 Interstate 840 between mile markers 9 and 38.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3503 8797 3558 8762 3595 8734 3583 8666
      3575 8670 3570 8668 3546 8671 3500 8710
TIME...MOT...LOC 2205Z 278DEG 54KT 3589 8730 3557 8753 3509 8785 

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

10

1 follow-up statement

626 
WWUS54 KOHX 062232
SVSOHX

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

TNC081-101-181-062241-
/O.CAN.KOHX.SV.W.0076.000000T0000Z-210506T2245Z/
Lewis TN-Wayne TN-Hickman TN-
532 PM CDT Thu May 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR LEWIS...SOUTHEASTERN WAYNE AND
EASTERN HICKMAN COUNTIES IS CANCELLED...

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

LAT...LON 3502 8761 3504 8761 3504 8758 3511 8759
      3546 8735 3545 8730 3546 8728 3550 8727
      3554 8729 3559 8726 3592 8718 3583 8666
      3575 8670 3570 8668 3546 8671 3500 8710
TIME...MOT...LOC 2231Z 278DEG 54KT 3584 8685 3552 8708 3504 8740 

$$

TNC055-099-117-119-187-062245-
/O.CON.KOHX.SV.W.0076.000000T0000Z-210506T2245Z/
Marshall TN-Lawrence TN-Maury TN-Williamson TN-Giles TN-
532 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR MARSHALL...LAWRENCE...MAURY...SOUTHERN WILLIAMSON AND GILES
COUNTIES...

At 531 PM CDT, severe thunderstorms were located along a line
extending from near Thompson's Station to 6 miles east of Mount
Pleasant to near Loretto, moving east at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Columbia, Lewisburg, Lawrenceburg, Pulaski, Spring Hill, Mount
Pleasant, Thompson's Station, Loretto, Summertown, Chapel Hill,
Cornersville, St. Joseph, Minor Hill, Ethridge, Lynnville,
Henryville, Culleoka, Goodspring, Leoma and Williamsport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3502 8761 3504 8761 3504 8758 3511 8759
      3546 8735 3545 8730 3546 8728 3550 8727
      3554 8729 3559 8726 3592 8718 3583 8666
      3575 8670 3570 8668 3546 8671 3500 8710
TIME...MOT...LOC 2231Z 278DEG 54KT 3584 8685 3552 8708 3504 8740 

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, 5:09 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, 5:45 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Giles, Lawrence, Marshall, Maury, Rutherford and 1 more	45 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.