Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 77, NWS Nashville, TN

May 6, 202110 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 6, 2021, 5:09 PM CDT for 10 counties in Tennessee. It was in force for 36 min. 6 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, 5:09 PM CDT (22:09 UTC)
Expired: May 6, 2021, 5:45 PM CDT
In force: 36 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cheatham County, TN, Davidson County, TN, Dickson County, TN, Hickman County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 29 km from the middle of the area, began a volume at 22:11 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, 5:24 PM CDT	TSTM WND DMG	Ridgetop, TN	REPORT OF A TREE FELL ON A HOUSE ON OBRYAN STREET.
May 6, 5:30 PM CDT	TSTM WND DMG	Donelson, TN	TREES DOWN NEAR THE YMCA ALONG LEBANON RD
May 6, 5:35 PM CDT	TSTM WND DMG	Hermitage, TN	LARGE TREE BRANCH HAD FALLEN ON A PARKED TRUCK IN THE TULIP GROVE AREA ALONG BATON ROUGE DR
May 6, 5:42 PM CDT	TSTM WND DMG	Franklin, TN	REPORT OF A TREE DOWN NEAR COOL SPRINGS.
May 6, 5:44 PM CDT	TSTM WND DMG	Brentwood, TN	REPORT OF TREE DOWN ON GRANNY WHITE NEAR BRENTWOOD ACADEMY. #TSPOTTER
May 6, 5:48 PM CDT	TSTM WND DMG	1 Sw Donelson, TN	LARGE LIMBS DOWN NEAR ELM HILL AND MCCOVOCK PIKE. #TSPOTTER

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, 10.2 hours before the alert went out and 21 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.

133 
WUUS54 KOHX 062209
SVROHX
TNC021-037-043-081-149-159-165-169-187-189-062245-
/O.NEW.KOHX.SV.W.0077.210506T2209Z-210506T2245Z/

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

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Smith County in Middle Tennessee...
  Davidson County in Middle Tennessee...
  Southeastern Dickson County in Middle Tennessee...
  Rutherford County in Middle Tennessee...
  Southern Sumner County in Middle Tennessee...
  Williamson County in Middle Tennessee...
  Wilson County in Middle Tennessee...
  Cheatham County in Middle Tennessee...
  Southern Trousdale County in Middle Tennessee...
  Northeastern Hickman County in Middle Tennessee...

* Until 545 PM CDT.

* At 508 PM CDT, severe thunderstorms were located along a line
  extending from near Greenbrier to 10 miles south of Fairview,
  moving east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Murfreesboro, Franklin, Gallatin, Lebanon, Dickson, Ashland City,
  Centerville, Nashville, Hartsville, Madison, Hendersonville,
  Smyrna, Brentwood, La Vergne, Spring Hill, Mount Juliet,
  Goodlettsville, Millersville, Nolensville and Forest Hills.

This includes the following highways...
 Interstate 40 between mile markers 173 and 248.
 Interstate 65 between mile markers 53 and 103.
 Interstate 24 between mile markers 29 and 87.
 Interstate 840 between mile markers 1 and 76.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3638 8601 3570 8635 3571 8680 3576 8693
      3578 8693 3578 8700 3585 8721 3577 8723
      3580 8747 3615 8725 3639 8701 3637 8698
      3639 8689 3635 8682 3642 8675 3641 8669
      3642 8669
TIME...MOT...LOC 2208Z 274DEG 48KT 3644 8674 3583 8712 

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

10

1 follow-up statement

395 
WWUS54 KOHX 062234
SVSOHX

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

TNC021-043-081-062244-
/O.CAN.KOHX.SV.W.0077.000000T0000Z-210506T2245Z/
Dickson TN-Cheatham TN-Hickman TN-
534 PM CDT Thu May 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DICKSON...
CHEATHAM AND NORTHEASTERN 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 3638 8601 3570 8635 3571 8680 3576 8693
      3578 8693 3578 8700 3581 8708 3612 8689
      3636 8681 3639 8678 3641 8669 3642 8669
TIME...MOT...LOC 2234Z 274DEG 48KT 3642 8632 3581 8670 

$$

TNC037-149-159-165-169-187-189-062245-
/O.CON.KOHX.SV.W.0077.000000T0000Z-210506T2245Z/
Smith TN-Davidson TN-Rutherford TN-Sumner TN-Williamson TN-Wilson TN-
Trousdale TN-
534 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHWESTERN SMITH...DAVIDSON...RUTHERFORD...SOUTHERN SUMNER...
WILLIAMSON...WILSON AND SOUTHERN TROUSDALE COUNTIES...

At 534 PM CDT, severe thunderstorms were located along a line
extending from 7 miles east of Gallatin to 10 miles south of
Nolensville, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Murfreesboro, Franklin, Gallatin, Lebanon, Nashville, Hartsville,
Madison, Hendersonville, Smyrna, Brentwood, La Vergne, Spring Hill,
Mount Juliet, Goodlettsville, Millersville, Nolensville, Forest
Hills, Oak Hill, Belle Meade and Lakewood.

This includes the following highways...
 Interstate 40 between mile markers 203 and 248.
 Interstate 65 between mile markers 53 and 102.
 Interstate 24 between mile markers 38 and 87.
 Interstate 840 between mile markers 18 and 76.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3638 8601 3570 8635 3571 8680 3576 8693
      3578 8693 3578 8700 3581 8708 3612 8689
      3636 8681 3639 8678 3641 8669 3642 8669
TIME...MOT...LOC 2234Z 274DEG 48KT 3642 8632 3581 8670 

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, 5:29 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.