Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 72, NWS Nashville, TN

May 6, 2021Montgomery County, Stewart County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 6, 2021, 4:04 PM CDT for Montgomery County, Stewart County, Tennessee. It was in force for 26 min. 1 report 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, 4:04 PM CDT (21:04 UTC)
Expired: May 6, 2021, 4:30 PM CDT
In force: 26 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Montgomery County, TN, Stewart County, TN

The radar

The Ft Campbell radar (KHPX), 46 km from the middle of the area, began a volume at 21:05 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, 4:29 PM CDT	TSTM WND DMG	2 N Clarksville, TN	FACEBOOK REPORT OF TREES DOWN AT SETTLEMENT DAYCARE.

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, 9.1 hours before the alert went out and 106 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.

513 
WUUS54 KOHX 062104
SVROHX
TNC125-161-062130-
/O.NEW.KOHX.SV.W.0072.210506T2104Z-210506T2130Z/

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

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Montgomery County in Middle Tennessee...
  Stewart County in Middle Tennessee...

* Until 430 PM CDT.

* At 403 PM CDT, a severe thunderstorm was located near Big Rock, or
  9 miles northeast of Dover, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Dover, Clarksville, Big Rock, Cumberland City, Land Between The
  Lakes, Indian Mound, Palmyra, Cunningham and Woodlawn.

This includes Interstate 24 between mile markers 1 and 8.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3666 8785 3663 8785 3664 8720 3633 8738
      3634 8759 3637 8761 3637 8772 3635 8773
      3637 8800 3667 8791
TIME...MOT...LOC 2103Z 273DEG 28KT 3656 8770 

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

10

1 follow-up statement

218 
WWUS54 KOHX 062121
SVSOHX

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

TNC125-161-062130-
/O.CON.KOHX.SV.W.0072.000000T0000Z-210506T2130Z/
Montgomery TN-Stewart TN-
421 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR MONTGOMERY AND EASTERN STEWART COUNTIES...

At 420 PM CDT, a severe thunderstorm was located 8 miles south of
Fort Campbell, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Dover, Clarksville, Big Rock, Cumberland City, Indian Mound, Palmyra,
Cunningham and Woodlawn.

This includes Interstate 24 between mile markers 1 and 8.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3664 8720 3633 8738 3634 8759 3637 8761
      3637 8772 3635 8773 3636 8786 3663 8775
TIME...MOT...LOC 2120Z 273DEG 28KT 3655 8753 

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, 4:18 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, 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.