Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 4, NWS Nashville, TN

March 25, 20216 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Mar 25, 2021, 8:13 PM CDT for 6 counties in Tennessee. It was in force for 32 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: Mar 25, 2021, 8:13 PM CDT (01:13 UTC)
Expired: Mar 25, 2021, 8:45 PM CDT
In force: 32 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Davidson County, TN, DeKalb County, TN, Rutherford County, TN, Smith County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 27 km from the middle of the area, began a volume at 01:16 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 25, 8:25 PM CDT	TORNADO	4 S Gladeville, TN	A BRIEF EF-0 TORNADO TOUCHED DOWN JUST NORTH OF THE NASHVILLE SUPERSPEEDWAY AND CONTINUED NORTHEAST BEFORE LIFTING JUST PRIOR TO REACHING HIGHWAY 231 AND THE CEDARS OF LEBANON STATE PARK. MOSTLY DOWNED TREES AND BROKEN LARGE BRANCHES WERE OBSERVED. SEVERAL OUT

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 25, 3:48 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.2 hours before the alert went out and 22 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: 290 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 615 m above ground
0-6 km bulk shear: 85 kt
0-1 km storm-relative helicity: 657 m²/s²
0-3 km storm-relative helicity: 631 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 7.4

Open this sounding in Storm Lab

The text

As transmitted.

976 
WFUS54 KOHX 260113
TOROHX
TNC037-041-149-159-187-189-260145-
/O.NEW.KOHX.TO.W.0004.210326T0113Z-210326T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
813 PM CDT Thu Mar 25 2021

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southern Smith County in Middle Tennessee...
  Southeastern Davidson County in Middle Tennessee...
  Northwestern De Kalb County in Middle Tennessee...
  Northwestern Rutherford County in Middle Tennessee...
  Northeastern Williamson County in Middle Tennessee...
  Central Wilson County in Middle Tennessee...

* Until 845 PM CDT.
    
* At 813 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near La Vergne, or 13 miles southeast of Nashville,
  moving east at 45 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Lebanon, Carthage, Smyrna, La Vergne, Mount Juliet, Nolensville,
  Watertown, Gordonsville, Rural Hill, Antioch, Walterhill, Hickman,
  South Carthage, Alexandria, Tuckers Crossroads, Cedars Of Lebanon
  State Park, Gladeville and Percy Priest Lake.

This includes the following highways...
 Interstate 40 between mile markers 233 and 264.
 Interstate 24 between mile markers 56 and 70.
 Interstate 840 between mile markers 59 and 76.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3590 8668 3607 8675 3634 8593 3608 8583
TIME...MOT...LOC 0113Z 248DEG 40KT 3603 8662 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Rose

2 follow-up statements

614 
WWUS54 KOHX 260124
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
824 PM CDT Thu Mar 25 2021

TNC037-187-260133-
/O.CAN.KOHX.TO.W.0004.000000T0000Z-210326T0145Z/
Davidson TN-Williamson TN-
824 PM CDT Thu Mar 25 2021

...THE TORNADO WARNING FOR SOUTHEASTERN DAVIDSON AND NORTHEASTERN
WILLIAMSON COUNTIES IS CANCELLED...
    
The tornadic 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 1100 PM CDT for Middle
Tennessee.

LAT...LON 3605 8596 3594 8649 3609 8652 3622 8601
TIME...MOT...LOC 0123Z 258DEG 45KT 3602 8641 

$$

TNC041-149-159-189-260145-
/O.CON.KOHX.TO.W.0004.000000T0000Z-210326T0145Z/
Smith TN-De Kalb TN-Rutherford TN-Wilson TN-
824 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHWESTERN SMITH...NORTHWESTERN DE KALB...NORTH CENTRAL RUTHERFORD
AND SOUTHERN WILSON COUNTIES...
    
At 823 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Walterhill, or 11 miles north of Murfreesboro,
moving east at 50 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Smyrna, La Vergne, Watertown, Walterhill, Alexandria, Cedars Of
Lebanon State Park and Gladeville.

This includes the following highways...
 Interstate 40 between mile markers 247 and 255.
 Interstate 840 between mile markers 59 and 70.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3605 8596 3594 8649 3609 8652 3622 8601
TIME...MOT...LOC 0123Z 258DEG 45KT 3602 8641 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Rose

819 
WWUS54 KOHX 260129
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
829 PM CDT Thu Mar 25 2021

TNC149-260138-
/O.CAN.KOHX.TO.W.0004.000000T0000Z-210326T0145Z/
Rutherford TN-
829 PM CDT Thu Mar 25 2021

...THE TORNADO WARNING FOR NORTH CENTRAL RUTHERFORD COUNTY IS
CANCELLED...
    
The tornadic 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 1100 PM CDT for Middle
Tennessee.

LAT...LON 3614 8599 3605 8596 3598 8631 3602 8638
      3601 8638 3604 8639 3603 8640 3605 8644
      3607 8646 3610 8648 3622 8602
TIME...MOT...LOC 0128Z 249DEG 41KT 3606 8636 

$$

TNC041-159-189-260145-
/O.CON.KOHX.TO.W.0004.000000T0000Z-210326T0145Z/
Smith TN-De Kalb TN-Wilson TN-
829 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHWESTERN SMITH...NORTHWESTERN DE KALB AND SOUTHERN WILSON
COUNTIES...
    
At 828 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Walterhill, or 10 miles south of Lebanon, moving
east at 50 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Watertown, Alexandria, Cedars Of Lebanon State Park and Gladeville. 

This includes the following highways...
 Interstate 40 between mile markers 246 and 255.
 Interstate 840 between mile markers 66 and 70.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3614 8599 3605 8596 3598 8631 3602 8638
      3601 8638 3604 8639 3603 8640 3605 8644
      3607 8646 3610 8648 3622 8602
TIME...MOT...LOC 0128Z 249DEG 41KT 3606 8636 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Rose

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 7:04 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury, Williamson	26 min
Mar 25, 7:04 PM CDT	Tornado Warning	OHX	Lewis, Perry, Wayne	41 min
Mar 25, 7:12 PM CDT	Areal Flood Advisory	OHX	Lewis, Perry, Wayne	2 hr
Mar 25, 7:27 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury, Williamson	9 min
Mar 25, 7:36 PM CDT	Tornado Warning	OHX	Lawrence, Lewis, Maury, Wayne	39 min
Mar 25, 7:39 PM CDT	Special Weather Statement	OHX	Trousdale, Williamson	36 min
Mar 25, 7:50 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	40 min
Mar 25, 7:52 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	38 min
Mar 25, 8:35 PM CDT	Tornado Warning	OHX	Bedford, Marshall, Maury, Rutherford, Williamson	25 min
Mar 25, 8:41 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Giles, Marshall, Maury, Rutherford	34 min
Mar 25, 8:41 PM CDT	Tornado Warning	OHX	Smith, Trousdale, Wilson	34 min
Mar 25, 8:49 PM CDT	Tornado Warning	OHX	Rutherford	26 min
Mar 25, 9:01 PM CDT	Tornado Warning	OHX	Jackson, Macon, Smith	14 min
Mar 25, 9:09 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Smith, Wilson	36 min
Mar 25, 9:40 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Putnam, White	35 min
Mar 25, 9:53 PM CDT	Areal Flood Advisory	OHX	Davidson	3 hr
Mar 25, 9:54 PM CDT	River Flood Advisory	OHX	Davidson	3 hr
Mar 25, 9:57 PM CDT	River Flood Advisory	OHX	Davidson	3 hr
Mar 25, 10:22 PM CDT	Special Weather Statement	OHX	Fentress, Overton, Pickett, White	38 min
Mar 25, 10:37 PM CDT	Special Weather Statement	OHX	Cumberland	38 min
Mar 25, 10:37 PM CDT	Special Weather Statement	OHX	Grundy, Van Buren	23 min
Mar 26, 5:58 PM CDT	Flash Flood Watch	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	42 hr

Nearby

Tornado Warnings in Tennessee, 2021 Every tornado warning in 2021 Tornadoes 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.