Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Nashville, TN

January 25, 20216 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 25, 2021, 6:18 PM CST for 6 counties in Tennessee. It was in force for 42 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: Jan 25, 2021, 6:18 PM CST (00:18 UTC)
Expired: Jan 25, 2021, 7:00 PM CST
In force: 42 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cannon County, TN, Davidson County, TN, Maury County, TN, Rutherford County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 41 km from the middle of the area, began a volume at 00:20 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
Jan 25, 6:35 PM CST	HAIL 1	5 Wnw Murfreesboro, TN	AT I-24 AND I-840

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
Jan 25, 5:52 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.3 hours before the alert went out and 30 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: 548 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 654 m²/s²
0-3 km storm-relative helicity: 735 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

836 
WUUS54 KOHX 260018
SVROHX
TNC015-037-119-149-187-189-260100-
/O.NEW.KOHX.SV.W.0002.210126T0018Z-210126T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
618 PM CST Mon Jan 25 2021

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Davidson County in Middle Tennessee...
  Rutherford County in Middle Tennessee...
  Northeastern Maury County in Middle Tennessee...
  Williamson County in Middle Tennessee...
  Southern Wilson County in Middle Tennessee...
  Northwestern Cannon County in Middle Tennessee...

* Until 700 PM CST.

* At 617 PM CST, a severe thunderstorm was located over Thompson's
  Station, or 9 miles southwest of Franklin, moving east at 75 mph.

  HAZARD...60 mph wind gusts and quarter 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, Lebanon, Woodbury, Smyrna,
  Brentwood, La Vergne, Spring Hill, Nolensville, Thompson's Station,
  Watertown, Walterhill, Rural Hill, Eagleville, Auburntown, Triune,
  Cedars Of Lebanon State Park, Rockvale and Leipers Fork.

This includes the following highways...
 Interstate 40 between mile markers 243 and 248.
 Interstate 65 between mile markers 50 and 72.
 Interstate 24 between mile markers 59 and 84.
 Interstate 840 between mile markers 16 and 73.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for Middle
Tennessee.

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

&&

LAT...LON 3583 8597 3567 8698 3591 8711 3622 8613
TIME...MOT...LOC 0017Z 249DEG 66KT 3581 8692 

HAIL...1.00IN
WIND...60MPH
 
$$

Shamburger

3 follow-up statements

610 
WWUS54 KOHX 260032
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
632 PM CST Mon Jan 25 2021

TNC119-260041-
/O.CAN.KOHX.SV.W.0002.000000T0000Z-210126T0100Z/
Maury TN-
632 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MAURY COUNTY 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 100 AM CST for Middle
Tennessee.

LAT...LON 3583 8597 3576 8680 3597 8691 3622 8613
TIME...MOT...LOC 0031Z 249DEG 66KT 3591 8661 

$$

TNC015-037-149-187-189-260100-
/O.CON.KOHX.SV.W.0002.000000T0000Z-210126T0100Z/
Davidson TN-Rutherford TN-Williamson TN-Wilson TN-Cannon TN-
632 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR SOUTHEASTERN DAVIDSON...RUTHERFORD...EASTERN WILLIAMSON...
SOUTHERN WILSON AND NORTHWESTERN CANNON COUNTIES...

At 631 PM CST, a severe thunderstorm was located near Nolensville, or
12 miles west of Murfreesboro, moving east at 75 mph.

HAZARD...60 mph wind gusts and quarter 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, Lebanon, Woodbury, Smyrna, Brentwood, La
Vergne, Nolensville, Watertown, Walterhill, Rural Hill, Auburntown,
Lascassas, Tuckers Crossroads, Triune, Cedars Of Lebanon State Park,
Milton, Gladeville and Readyville.

This includes the following highways...
 Interstate 40 between mile markers 243 and 248.
 Interstate 65 between mile markers 60 and 72.
 Interstate 24 between mile markers 60 and 82.
 Interstate 840 between mile markers 32 and 72.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for Middle
Tennessee.

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

&&

LAT...LON 3583 8597 3576 8680 3597 8691 3622 8613
TIME...MOT...LOC 0031Z 249DEG 66KT 3591 8661 

HAIL...1.00IN
WIND...60MPH
 
$$

Shamburger

073 
WWUS54 KOHX 260041
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
641 PM CST Mon Jan 25 2021

TNC037-187-260051-
/O.CAN.KOHX.SV.W.0002.000000T0000Z-210126T0100Z/
Davidson TN-Williamson TN-
641 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DAVIDSON AND
EASTERN 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 100 AM CST for Middle
Tennessee.

LAT...LON 3583 8597 3582 8651 3603 8657 3622 8613
TIME...MOT...LOC 0041Z 252DEG 66KT 3594 8638 

$$

TNC015-149-189-260100-
/O.CON.KOHX.SV.W.0002.000000T0000Z-210126T0100Z/
Rutherford TN-Wilson TN-Cannon TN-
641 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR CENTRAL RUTHERFORD...SOUTHERN WILSON AND NORTHWESTERN CANNON
COUNTIES...

At 641 PM CST, a severe thunderstorm was located over Walterhill, or
just north of Murfreesboro, moving east at 75 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Murfreesboro, Woodbury, Smyrna, La Vergne, Watertown, Walterhill,
Auburntown, Cedars Of Lebanon State Park, Lascassas, Tuckers
Crossroads, Milton and Readyville.

This includes the following highways...
 Interstate 40 between mile markers 244 and 248.
 Interstate 24 between mile markers 69 and 80.
 Interstate 840 between mile markers 50 and 68.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for Middle
Tennessee.

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

&&

LAT...LON 3583 8597 3582 8651 3603 8657 3622 8613
TIME...MOT...LOC 0041Z 252DEG 66KT 3594 8638 

HAIL...1.00IN
WIND...60MPH
 
$$

Shamburger

446 
WWUS54 KOHX 260050
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
650 PM CST Mon Jan 25 2021

TNC015-149-189-260100-
/O.EXP.KOHX.SV.W.0002.000000T0000Z-210126T0100Z/
Rutherford TN-Wilson TN-Cannon TN-
650 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RUTHERFORD...SOUTHERN
WILSON AND NORTHWESTERN CANNON COUNTIES WILL EXPIRE AT 700 PM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 100 AM CST for Middle
Tennessee.

LAT...LON 3583 8597 3582 8651 3603 8657 3622 8613
TIME...MOT...LOC 0050Z 249DEG 66KT 3599 8623 

$$

Shamburger

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 6:14 PM CST	Special Weather Statement	OHX	Hickman, Perry	46 min
Jan 25, 6:59 PM CST	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Maury, Williamson	31 min
Jan 25, 7:21 PM CST	Special Weather Statement	OHX	Williamson	39 min
Jan 25, 7:51 PM CST	Areal Flood Advisory	OHX	Davidson, Dickson, Hickman, Williamson	5 hr
Jan 25, 8:18 PM CST	Special Weather Statement	OHX	Smith, Wilson	27 min
Jan 25, 8:39 PM CST	Special Weather Statement	OHX	Wilson	36 min
Jan 25, 9:10 PM CST	Areal Flood Advisory	OHX	Maury, Rutherford, Williamson, Wilson	2 hr
Jan 25, 9:21 PM CST	Special Weather Statement	OHX	Cannon, Rutherford	24 min
Jan 25, 9:28 PM CST	Special Weather Statement	OHX	Putnam	32 min
Jan 25, 9:36 PM CST	Special Weather Statement	OHX	Bedford	24 min
Jan 25, 9:55 PM CST	Special Weather Statement	OHX	Bedford, Coffee	35 min
Jan 26, 8:08 AM CST	River Flood Advisory	OHX	Montgomery, Robertson	6 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.