Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 82, NWS Nashville, TN

May 6, 20216 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 6, 2021, 6:27 PM CDT for 6 counties in Tennessee. It was in force for 48 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, 6:27 PM CDT (23:27 UTC)
Expired
May 6, 2021, 7:15 PM CDT
In force
48 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bedford County, TN, Cannon County, TN, Coffee County, TN, Grundy County, TN, Rutherford County, TN, Warren County, TN

The radar

The Northeast Alabama radar (KHTX), 51 km from the middle of the area, began a volume at 23:27 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

TimeReportWhereRemark
May 6, 6:28 PM CDTTSTM WND DMG2 Sw Shelbyville, TNA COUPLE TREES DOWN IN THE FLAT CREEK AREA.
May 6, 6:54 PM CDTTSTM WND DMGTullahoma, TNREPORT OF LARGE TREES DOWN ON DAVIS STREET.

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, 11.5 hours before the alert went out and 92 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -90 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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.

696 
WUUS54 KOHX 062327
SVROHX
TNC003-015-031-061-149-177-070015-
/O.NEW.KOHX.SV.W.0082.210506T2327Z-210507T0015Z/

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

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Rutherford County in Middle Tennessee...
  Southern Warren County in Middle Tennessee...
  Coffee County in Middle Tennessee...
  Bedford County in Middle Tennessee...
  Western Grundy County in Middle Tennessee...
  Southwestern Cannon County in Middle Tennessee...

* Until 715 PM CDT.

* At 626 PM CDT, severe thunderstorms were located along a line
  extending from 10 miles southeast of Murfreesboro to near
  Fayetteville, 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, McMinnville, Manchester, Tullahoma, Monteagle,
  Altamont, Morrison, Wartrace, Bell Buckle, Normandy, Viola,
  Christiana, Beechgrove, Raus, Fosterville, Summitville, Deason,
  Hillsboro, Pelham and Arnold AFB.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3529 8592 3534 8603 3536 8616 3534 8620
      3534 8626 3535 8624 3537 8628 3538 8625
      3539 8628 3540 8626 3541 8625 3541 8626
      3535 8641 3532 8642 3536 8649 3537 8656
      3573 8643 3569 8565 3523 8580 3522 8587
TIME...MOT...LOC 2326Z 267DEG 43KT 3576 8626 3522 8656 

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

10
2 follow-up statements
433 
WWUS54 KOHX 062348
SVSOHX

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

TNC149-062358-
/O.CAN.KOHX.SV.W.0082.000000T0000Z-210507T0015Z/
Rutherford TN-
648 PM CDT Thu May 6 2021

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

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

LAT...LON 3529 8592 3534 8603 3536 8616 3534 8620
      3534 8626 3535 8625 3535 8624 3537 8628
      3537 8626 3538 8625 3539 8628 3541 8625
      3543 8632 3570 8623 3571 8621 3572 8621
      3569 8565 3523 8580 3524 8584 3522 8587
TIME...MOT...LOC 2348Z 267DEG 43KT 3577 8596 3523 8627 

$$

TNC003-015-031-061-177-070015-
/O.CON.KOHX.SV.W.0082.000000T0000Z-210507T0015Z/
Warren TN-Coffee TN-Bedford TN-Grundy TN-Cannon TN-
648 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHERN WARREN...COFFEE...EAST CENTRAL BEDFORD...WESTERN GRUNDY
AND SOUTHWESTERN CANNON COUNTIES...

At 648 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Woodbury to near Tims Ford Lake,
moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
McMinnville, Manchester, Tullahoma, Monteagle, Altamont, Morrison,
Normandy, Viola, Beechgrove, Summitville, Hillsboro, Pelham and
Arnold AFB.

This includes Interstate 24 between mile markers 96 and 134.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3529 8592 3534 8603 3536 8616 3534 8620
      3534 8626 3535 8625 3535 8624 3537 8628
      3537 8626 3538 8625 3539 8628 3541 8625
      3543 8632 3570 8623 3571 8621 3572 8621
      3569 8565 3523 8580 3524 8584 3522 8587
TIME...MOT...LOC 2348Z 267DEG 43KT 3577 8596 3523 8627 

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

10
843 
WWUS54 KOHX 070001
SVSOHX

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

TNC003-070011-
/O.CAN.KOHX.SV.W.0082.000000T0000Z-210507T0015Z/
Bedford TN-
701 PM CDT Thu May 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BEDFORD COUNTY IS
CANCELLED...

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

LAT...LON 3529 8592 3534 8603 3536 8616 3543 8616
      3551 8615 3571 8610 3569 8565 3523 8580
      3524 8584 3522 8587
TIME...MOT...LOC 0001Z 267DEG 43KT 3578 8578 3524 8609 

$$

TNC015-031-061-177-070015-
/O.CON.KOHX.SV.W.0082.000000T0000Z-210507T0015Z/
Warren TN-Coffee TN-Grundy TN-Cannon TN-
701 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHERN WARREN...COFFEE...WESTERN GRUNDY AND SOUTH CENTRAL
CANNON COUNTIES...

At 701 PM CDT, severe thunderstorms were located along a line
extending from 6 miles north of McMinnville to Decherd, moving east
at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
McMinnville, Manchester, Monteagle, Altamont, Morrison, Viola,
Hillsboro, Pelham, Summitville and Arnold AFB.

This includes Interstate 24 between mile markers 107 and 134.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3529 8592 3534 8603 3536 8616 3543 8616
      3551 8615 3571 8610 3569 8565 3523 8580
      3524 8584 3522 8587
TIME...MOT...LOC 0001Z 267DEG 43KT 3578 8578 3524 8609 

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

10

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 3:44 PM CDTSpecial Weather StatementOHXStewart46 min
May 6, 4:04 PM CDTSevere Thunderstorm WarningOHXMontgomery, Stewart26 min
May 6, 4:18 PM CDTSpecial Weather StatementOHXDickson, Houston, Humphreys42 min
May 6, 4:27 PM CDTSevere Thunderstorm WarningOHXCheatham, Dickson, Houston, Montgomery, Robertson, Stewart33 min
May 6, 4:35 PM CDTSpecial Weather StatementOHXHickman, Lewis, Perry, Wayne40 min
May 6, 4:44 PM CDTSevere Thunderstorm WarningOHXCheatham, Dickson, Hickman, Houston, Humphreys, Montgomery and 3 more31 min
May 6, 4:56 PM CDTSevere Thunderstorm WarningOHXCheatham, Robertson, Sumner34 min
May 6, 5:05 PM CDTSevere Thunderstorm WarningOHXGiles, Hickman, Lawrence, Lewis, Marshall, Maury and 2 more40 min
May 6, 5:09 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Dickson, Hickman, Rutherford, Smith and 4 more36 min
May 6, 5:29 PM CDTSevere Thunderstorm WarningOHXMacon, Sumner, Trousdale31 min
May 6, 5:42 PM CDTSevere Thunderstorm WarningOHXDavidson, Rutherford, Smith, Sumner, Trousdale, Williamson and 1 more33 min
May 6, 5:45 PM CDTSevere Thunderstorm WarningOHXBedford, Giles, Lawrence, Marshall, Maury, Rutherford and 1 more45 min
May 6, 6:00 PM CDTSpecial Weather StatementOHXMacon, Trousdale45 min
May 6, 6:13 PM CDTSevere Thunderstorm WarningOHXCannon, Coffee, DeKalb, Jackson, Putnam, Rutherford and 4 more47 min
May 6, 6:58 PM CDTSpecial Weather StatementOHXCumberland, DeKalb, Fentress, Jackson, Overton, Putnam and 3 more47 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2021Every 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.