Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 43, NWS Nashville, TN

March 27, 20215 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 27, 2021, 6:59 PM CDT for 5 counties in Tennessee. It was in force for 46 min. 4 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: Mar 27, 2021, 6:59 PM CDT (23:59 UTC)
Expired: Mar 27, 2021, 7:45 PM CDT
In force: 46 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

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

The radar

The Nashville radar (KOHX), 57 km from the middle of the area, began a volume at 00:05 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
Mar 27, 7:03 PM CDT	HAIL 2.25	3 Nw Eagleville, TN	IN COLLEGE GROVE
Mar 27, 7:04 PM CDT	HAIL 1.5	7 Nw Chapel Hill, TN
Mar 27, 7:05 PM CDT	HAIL 1.5	Eagleville, TN
Mar 27, 7:24 PM CDT	HAIL 1.25	6 Sse Murfreesboro, TN	1.25 HAIL ON BUZZARD BRANCH DRIVE IN CHRISTIANA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 27, 1:51 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 12.0 hours before the alert went out and 46 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: 710 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 347 m²/s²
0-3 km storm-relative helicity: 316 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

371 
WUUS54 KOHX 272359
SVROHX
TNC003-117-119-149-187-280045-
/O.NEW.KOHX.SV.W.0043.210327T2359Z-210328T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
659 PM CDT Sat Mar 27 2021

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Northeastern Marshall County in Middle Tennessee...
  Rutherford County in Middle Tennessee...
  Northeastern Maury County in Middle Tennessee...
  Southeastern Williamson County in Middle Tennessee...
  Northern Bedford County in Middle Tennessee...

* Until 745 PM CDT.

* At 659 PM CDT, a severe thunderstorm was located 10 miles east of
  Spring Hill, or 15 miles southeast of Franklin, moving east at 60
  mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Murfreesboro, Franklin, Columbia, Smyrna, Spring Hill, Nolensville,
  Thompson's Station, Walterhill, Chapel Hill, Eagleville, Bell
  Buckle, Lascassas, Christiana, I-65 East Of Columbia, Fosterville,
  Triune, Rover, Deason, Rockvale and Unionville.

This includes the following highways...
 Interstate 65 between mile markers 42 and 64.
 Interstate 24 between mile markers 68 and 96.
 Interstate 840 between mile markers 27 and 61.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for Middle
Tennessee.

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

&&

LAT...LON 3558 8692 3573 8693 3589 8690 3601 8636
      3599 8633 3583 8618 3580 8618 3579 8619
      3576 8618 3573 8621 3571 8621 3571 8622
      3569 8625 3564 8624 3559 8625
TIME...MOT...LOC 2359Z 259DEG 51KT 3572 8674 

HAIL...1.25IN
WIND...60MPH
 
$$

Schaper

2 follow-up statements

821 
WWUS54 KOHX 280005
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
705 PM CDT Sat Mar 27 2021

TNC003-117-119-149-187-280045-
/O.CON.KOHX.SV.W.0043.000000T0000Z-210328T0045Z/
Marshall TN-Rutherford TN-Maury TN-Williamson TN-Bedford TN-
705 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN MARSHALL...RUTHERFORD...NORTHEASTERN MAURY...
SOUTHEASTERN WILLIAMSON AND NORTHERN BEDFORD COUNTIES...

At 705 PM CDT, a severe thunderstorm was located 14 miles east of
Spring Hill, or 17 miles southeast of Franklin, moving east at 45
mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Murfreesboro, Franklin, Columbia, Smyrna, Spring Hill, Nolensville,
Thompson's Station, Walterhill, Chapel Hill, Eagleville, Bell Buckle,
Lascassas, Christiana, I-65 East Of Columbia, Fosterville, Triune,
Rover, Deason, Rockvale and Unionville.

This includes the following highways...
 Interstate 65 between mile markers 42 and 64.
 Interstate 24 between mile markers 68 and 96.
 Interstate 840 between mile markers 27 and 61.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for Middle
Tennessee.

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

&&

LAT...LON 3558 8692 3573 8693 3589 8690 3601 8636
      3599 8633 3583 8618 3580 8618 3579 8619
      3576 8618 3573 8621 3571 8621 3571 8622
      3569 8625 3564 8624 3559 8625
TIME...MOT...LOC 0005Z 257DEG 41KT 3572 8667 

HAIL...1.75IN
WIND...60MPH
 
$$

Schaper

298 
WWUS54 KOHX 280024
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
724 PM CDT Sat Mar 27 2021

TNC117-119-187-280032-
/O.CAN.KOHX.SV.W.0043.000000T0000Z-210328T0045Z/
Marshall TN-Maury TN-Williamson TN-
724 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MARSHALL...
NORTHEASTERN MAURY AND SOUTHEASTERN WILLIAMSON COUNTIES IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for Middle
Tennessee.

LAT...LON 3560 8665 3569 8664 3573 8670 3575 8670
      3577 8666 3579 8666 3579 8661 3581 8662
      3582 8661 3583 8663 3585 8660 3591 8663
      3595 8662 3601 8636 3583 8618 3577 8618
      3571 8621 3569 8625 3559 8625 3558 8666
TIME...MOT...LOC 0022Z 260DEG 40KT 3576 8644 

$$

TNC003-149-280045-
/O.CON.KOHX.SV.W.0043.000000T0000Z-210328T0045Z/
Rutherford TN-Bedford TN-
724 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR RUTHERFORD AND NORTHERN BEDFORD COUNTIES...

At 722 PM CDT, a severe thunderstorm was located 7 miles south of
Murfreesboro, moving east at 45 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Trained weather spotters.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Murfreesboro, Smyrna, Nolensville, Walterhill, Eagleville, Bell
Buckle, Lascassas, Christiana, Fosterville, Rover, Deason, Rockvale
and Unionville.

This includes the following highways...
 Interstate 24 between mile markers 68 and 95.
 Interstate 840 between mile markers 46 and 61.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for Middle
Tennessee.

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

&&

LAT...LON 3560 8665 3569 8664 3573 8670 3575 8670
      3577 8666 3579 8666 3579 8661 3581 8662
      3582 8661 3583 8663 3585 8660 3591 8663
      3595 8662 3601 8636 3583 8618 3577 8618
      3571 8621 3569 8625 3559 8625 3558 8666
TIME...MOT...LOC 0022Z 260DEG 40KT 3576 8644 

HAIL...1.25IN
WIND...60MPH
 
$$

Schaper

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 8:18 PM CDT	River Flood Advisory	OHX	Perry	26 hr
Mar 27, 4:23 AM CDT	Special Weather Statement	OHX	Hickman, Lewis, Perry	37 min
Mar 27, 4:56 AM CDT	Special Weather Statement	OHX	Dickson, Hickman, Houston, Humphreys	49 min
Mar 27, 4:59 AM CDT	Special Weather Statement	OHX	Lewis	46 min
Mar 27, 5:12 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Perry	37 min
Mar 27, 5:29 AM CDT	Special Weather Statement	OHX	Cheatham, Davidson	31 min
Mar 27, 5:48 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Maury, Williamson	27 min
Mar 27, 5:52 AM CDT	Special Weather Statement	OHX	DeKalb	38 min
Mar 27, 6:13 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	32 min
Mar 27, 6:17 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Hickman, Humphreys, Williamson	29 min
Mar 27, 6:18 AM CDT	Special Weather Statement	OHX	Macon, Robertson, Sumner, Trousdale	27 min
Mar 27, 6:22 AM CDT	Special Weather Statement	OHX	Jackson	38 min
Mar 27, 6:23 AM CDT	Special Weather Statement	OHX	Cumberland, White	52 min
Mar 27, 6:38 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Sumner, Williamson, Wilson	52 min
Mar 27, 6:42 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Maury, Sumner and 1 more	48 min
Mar 27, 6:53 AM CDT	Special Weather Statement	OHX	Cumberland, Putnam, White	52 min
Mar 27, 7:19 AM CDT	Severe Thunderstorm Warning	OHX	Jackson, Macon, Smith, Trousdale, Wilson	41 min
Mar 27, 7:21 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson, Wilson	39 min
Mar 27, 7:36 AM CDT	Areal Flood Advisory	OHX	Cheatham, Dickson, Hickman, Humphreys, Perry, Williamson	3 hr
Mar 27, 7:42 AM CDT	Special Weather Statement	OHX	Smith, Williamson, Wilson	48 min
Mar 27, 7:57 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Overton, Putnam, Smith	33 min
Mar 27, 8:02 AM CDT	Severe Thunderstorm Warning	OHX	Maury, Rutherford, Williamson	43 min
Mar 27, 8:10 AM CDT	Areal Flood Advisory	OHX	Hickman, Lewis, Maury, Perry, Wayne, Williamson	3 hr
Mar 27, 8:26 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett	34 min
Mar 27, 8:29 AM CDT	Areal Flood Advisory	OHX	Cannon, Clay, Davidson, DeKalb, Jackson, Macon and 9 more	3 hr
Mar 27, 8:39 AM CDT	Special Weather Statement	OHX	Fentress, Overton, Putnam	51 min
Mar 27, 8:41 AM CDT	Severe Thunderstorm Warning	OHX	Fentress, Overton, Putnam	34 min
Mar 27, 8:59 AM CDT	Severe Thunderstorm Warning	OHX	Fentress, Pickett	16 min
Mar 27, 10:33 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Lewis, Maury	42 min
Mar 27, 11:08 AM CDT	Special Weather Statement	OHX	Bedford, Maury	52 min
Mar 27, 11:19 AM CDT	Areal Flood Advisory	OHX	Bedford, Giles, Hickman, Lawrence, Lewis, Marshall and 5 more	3 hr
Mar 27, 11:42 AM CDT	River Flood Advisory	OHX	Hickman	10 hr
Mar 27, 11:42 AM CDT	River Flood Advisory	OHX	Humphreys	4 days
Mar 27, 11:42 AM CDT	River Flood Advisory	OHX	Maury	15 hr
Mar 27, 11:51 AM CDT	Special Weather Statement	OHX	Bedford	39 min
Mar 27, 12:14 PM CDT	Flash Flood Warning	OHX	Bedford, Marshall, Maury, Rutherford, Williamson	3 hr
Mar 27, 12:41 PM CDT	River Flood Advisory	OHX	Hickman	12 hr
Mar 27, 12:42 PM CDT	River Flood Advisory	OHX	Sumner, Trousdale, Wilson	23 hr
Mar 27, 12:53 PM CDT	Special Weather Statement	OHX	Bedford, Marshall	52 min
Mar 27, 1:15 PM CDT	Flash Flood Warning	OHX	Bedford, Giles, Marshall, Maury, Rutherford	3 hr
Mar 27, 1:32 PM CDT	Special Weather Statement	OHX	Coffee	43 min
Mar 27, 2:04 PM CDT	Areal Flood Advisory	OHX	Giles, Lawrence, Wayne	3 hr
Mar 27, 2:37 PM CDT	River Flood Warning	OHX	Cheatham	52 hr
Mar 27, 2:37 PM CDT	River Flood Warning	OHX	Davidson, Williamson	47 hr
Mar 27, 2:37 PM CDT	River Flood Warning	OHX	Williamson	48 hr
Mar 27, 3:30 PM CDT	River Flood Advisory	OHX	Stewart	31 hr
Mar 27, 3:30 PM CDT	River Flood Advisory	OHX	Montgomery	31 hr
Mar 27, 3:30 PM CDT	River Flood Advisory	OHX	Davidson	12 hr
Mar 27, 4:14 PM CDT	Special Weather Statement	OHX	Cumberland	46 min
Mar 27, 4:45 PM CDT	River Flood Advisory	OHX	Bedford	11 hr
Mar 27, 4:54 PM CDT	Tornado Warning	OHX	Hickman, Perry	36 min
Mar 27, 5:17 PM CDT	Tornado Warning	OHX	Hickman, Perry	28 min
Mar 27, 5:33 PM CDT	Tornado Warning	OHX	Hickman, Lewis, Perry	27 min
Mar 27, 5:39 PM CDT	Areal Flood Advisory	OHX	Hickman, Lewis, Perry	3 hr
Mar 27, 5:39 PM CDT	Tornado Warning	OHX	Hickman, Perry	36 min
Mar 27, 5:52 PM CDT	Special Weather Statement	OHX	Clay, Fentress, Overton, Pickett	38 min
Mar 27, 6:00 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury	45 min
Mar 27, 6:04 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress	11 min
Mar 27, 6:09 PM CDT	Flash Flood Warning	OHX	Hickman, Lewis, Maury, Perry	3 hr
Mar 27, 6:18 PM CDT	Severe Thunderstorm Warning	OHX	Maury, Williamson	42 min
Mar 27, 6:28 PM CDT	Special Weather Statement	OHX	Fentress	17 min
Mar 27, 6:38 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury, Rutherford, Williamson	22 min
Mar 27, 6:44 PM CDT	Flash Flood Warning	OHX	Maury, Williamson	3 hr

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.