Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Nashville, TN

January 25, 20214 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 25, 2021, 5:46 PM CST for 4 counties in Tennessee. It was in force for 44 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, 5:46 PM CST (23:46 UTC)
Expired: Jan 25, 2021, 6:30 PM CST
In force: 44 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hickman County, TN, Lewis County, TN, Maury County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 65 km from the middle of the area, began a volume at 23:47 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, 5:50 PM CST	TSTM WND DMG	4 N Hohenwald, TN	RECEIVED A REPORT OF SEVERAL LIMBS DOWN IN ROADWAY IN KIMMINS AREA, BUT NOT ENOUGH TO CLOSE ROADS.

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, 11.8 hours before the alert went out and 55 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: 438 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 384 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

936 
WUUS54 KOHX 252346
SVROHX
TNC081-101-119-187-260030-
/O.NEW.KOHX.SV.W.0001.210125T2346Z-210126T0030Z/

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

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Lewis County in Middle Tennessee...
  Northwestern Maury County in Middle Tennessee...
  Central Williamson County in Middle Tennessee...
  Southern Hickman County in Middle Tennessee...

* Until 630 PM CST.

* At 546 PM CST, a severe thunderstorm was located near Kimmins, or 
  9 miles north of Hohenwald, moving northeast at 70 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...
  Franklin, Hohenwald, Centerville, Spring Hill, Thompson's Station,
  Santa Fe, Kimmins, Williamsport, Primm Springs, Leipers Fork and
  Natchez Trace At Highway 96.

This includes the following highways...
 Interstate 65 between mile markers 57 and 67.
 Interstate 840 between mile markers 8 and 33.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3599 8704 3599 8703 3601 8699 3605 8690
      3583 8674 3554 8762 3573 8771
TIME...MOT...LOC 2346Z 243DEG 59KT 3568 8757 

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

Shamburger

3 follow-up statements

055 
WWUS54 KOHX 260002
SVSOHX

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

TNC101-260012-
/O.CAN.KOHX.SV.W.0001.000000T0000Z-210126T0030Z/
Lewis TN-
602 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LEWIS 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 3599 8703 3601 8699 3605 8690 3583 8674
      3564 8732 3582 8742
TIME...MOT...LOC 0002Z 249DEG 59KT 3576 8728 

$$

TNC081-119-187-260030-
/O.CON.KOHX.SV.W.0001.000000T0000Z-210126T0030Z/
Maury TN-Williamson TN-Hickman TN-
602 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR NORTHWESTERN MAURY...CENTRAL WILLIAMSON AND SOUTHEASTERN HICKMAN
COUNTIES...

At 602 PM CST, a severe thunderstorm was located near Duck River, 
or 10 miles east of Centerville, moving east at 70 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...
Franklin, Spring Hill, Thompson's Station, Santa Fe, Williamsport,
Primm Springs, Leipers Fork and Natchez Trace At Highway 96.

This includes the following highways...
 Interstate 65 between mile markers 57 and 67.
 Interstate 840 between mile markers 9 and 33.

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.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3599 8703 3601 8699 3605 8690 3583 8674
      3564 8732 3582 8742
TIME...MOT...LOC 0002Z 249DEG 59KT 3576 8728 

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

Shamburger

887 
WWUS54 KOHX 260012
SVSOHX

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

TNC081-260022-
/O.CAN.KOHX.SV.W.0001.000000T0000Z-210126T0030Z/
Hickman TN-
612 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HICKMAN 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 3605 8690 3583 8674 3570 8715 3576 8721
      3590 8720
TIME...MOT...LOC 0012Z 249DEG 64KT 3578 8705 

$$

TNC119-187-260030-
/O.CON.KOHX.SV.W.0001.000000T0000Z-210126T0030Z/
Maury TN-Williamson TN-
612 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR NORTH CENTRAL MAURY AND CENTRAL WILLIAMSON COUNTIES...

At 612 PM CST, a severe thunderstorm was located near Theta, or 11 
miles north of Columbia, 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...
Franklin, Spring Hill, Thompson's Station, Santa Fe, Leipers Fork and
Natchez Trace At Highway 96.

This includes the following highways...
 Interstate 65 between mile markers 57 and 67.
 Interstate 840 between mile markers 10 and 33.

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.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3605 8690 3583 8674 3570 8715 3576 8721
      3590 8720
TIME...MOT...LOC 0012Z 249DEG 64KT 3578 8705 

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

Shamburger

899 
WWUS54 KOHX 260020
SVSOHX

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

TNC119-187-260030-
/O.EXP.KOHX.SV.W.0001.000000T0000Z-210126T0030Z/
Maury TN-Williamson TN-
620 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MAURY AND
CENTRAL WILLIAMSON COUNTIES WILL EXPIRE AT 630 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

Remember, a Severe Thunderstorm Warning still remains in effect for
Williamson County until 700 PM CST.

LAT...LON 3605 8690 3583 8674 3570 8715 3576 8721
      3590 8720
TIME...MOT...LOC 0020Z 243DEG 59KT 3582 8695 

$$

Shamburger

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 12:32 PM CST	Special Weather Statement	OHX	Robertson	28 min
Jan 25, 12:59 PM CST	Special Weather Statement	OHX	Sumner	31 min
Jan 25, 1:20 PM CST	Special Weather Statement	OHX	Davidson, Macon, Sumner, Trousdale	40 min
Jan 25, 1:56 PM CST	Special Weather Statement	OHX	Clay, Jackson, Macon, Pickett, Trousdale	49 min
Jan 25, 2:40 PM CST	Special Weather Statement	OHX	Fentress, Overton, Pickett	50 min
Jan 25, 5:04 PM CST	Special Weather Statement	OHX	Davidson	26 min
Jan 25, 5:28 PM CST	Special Weather Statement	OHX	Hickman, Lewis, Perry	32 min
Jan 25, 5:54 PM CST	Special Weather Statement	OHX	Dickson, Humphreys	36 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.