Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 8, NWS Nashville, TN

March 25, 2021Jackson County, Macon County, Smith County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 25, 2021, 9:01 PM CDT for Jackson County, Macon County, Smith County, Tennessee. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 25, 2021, 9:01 PM CDT (02:01 UTC)
Expired
Mar 25, 2021, 9:15 PM CDT
In force
14 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jackson County, TN, Macon County, TN, Smith County, TN

The radar

The Nashville radar (KOHX), 80 km from the middle of the area, began a volume at 02:04 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 25, 3:48 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.0 hours before the alert went out and 88 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 00:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 290 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 657 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
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.

314 
WFUS54 KOHX 260201
TOROHX
TNC087-111-159-260215-
/O.NEW.KOHX.TO.W.0008.210326T0201Z-210326T0215Z/

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

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Northeastern Smith County in Middle Tennessee...
  Jackson County in Middle Tennessee...
  Southeastern Macon County in Middle Tennessee...

* Until 915 PM CDT.
    
* At 901 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Carthage, moving northeast at 60 mph.

  HAZARD...Tornado.

  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.

* This dangerous storm will be near...
  Gainesboro around 915 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Pleasant Shade, Granville and Whitleyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3650 8570 3650 8566 3647 8558 3647 8557
      3640 8550 3635 8550 3622 8592 3638 8602
      3651 8576 3650 8575 3650 8572 3652 8574
      3652 8570
TIME...MOT...LOC 0201Z 243DEG 51KT 3634 8588 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Rose
2 follow-up statements
050 
WWUS54 KOHX 260208
SVSOHX

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

TNC111-159-260218-
/O.CAN.KOHX.TO.W.0008.000000T0000Z-210326T0215Z/
Smith TN-Macon TN-
908 PM CDT Thu Mar 25 2021

...THE TORNADO WARNING FOR NORTHEASTERN SMITH AND SOUTHEASTERN MACON
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 3650 8570 3649 8564 3647 8557 3640 8550
      3635 8550 3627 8579 3634 8583 3647 8582
      3650 8576 3650 8572 3652 8573 3652 8570
TIME...MOT...LOC 0208Z 243DEG 51KT 3639 8576 

$$

TNC087-260215-
/O.CON.KOHX.TO.W.0008.000000T0000Z-210326T0215Z/
Jackson TN-
908 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR JACKSON
COUNTY...
    
At 908 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Gainesboro, moving northeast at 60 mph.

HAZARD...Tornado.

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.

This tornadic thunderstorm will remain over mainly rural areas of
Jackson County, including the following locations... Whitleyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3650 8570 3649 8564 3647 8557 3640 8550
      3635 8550 3627 8579 3634 8583 3647 8582
      3650 8576 3650 8572 3652 8573 3652 8570
TIME...MOT...LOC 0208Z 243DEG 51KT 3639 8576 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Rose
899 
WWUS54 KOHX 260210
SVSOHX

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

TNC087-260220-
/O.EXP.KOHX.TO.W.0008.000000T0000Z-210326T0215Z/
Jackson TN-
910 PM CDT Thu Mar 25 2021

...THE TORNADO WARNING FOR JACKSON COUNTY WILL EXPIRE AT 915 PM
CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1100 PM CDT for Middle
Tennessee.

LAT...LON 3650 8570 3649 8564 3647 8557 3640 8550
      3635 8550 3627 8579 3634 8583 3647 8582
      3650 8576 3650 8572 3652 8573 3652 8570
TIME...MOT...LOC 0210Z 243DEG 51KT 3639 8576 

$$

Rose

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 7:04 PM CDTSevere Thunderstorm WarningOHXHickman, Lewis, Maury, Williamson26 min
Mar 25, 7:04 PM CDTTornado WarningOHXLewis, Perry, Wayne41 min
Mar 25, 7:12 PM CDTAreal Flood AdvisoryOHXLewis, Perry, Wayne2 hr
Mar 25, 7:27 PM CDTSevere Thunderstorm WarningOHXHickman, Lewis, Maury, Williamson9 min
Mar 25, 7:36 PM CDTTornado WarningOHXLawrence, Lewis, Maury, Wayne39 min
Mar 25, 7:39 PM CDTSpecial Weather StatementOHXTrousdale, Williamson36 min
Mar 25, 7:50 PM CDTSevere Thunderstorm WarningOHXLawrence, Wayne40 min
Mar 25, 7:52 PM CDTSevere Thunderstorm WarningOHXDavidson, Williamson38 min
Mar 25, 8:13 PM CDTTornado WarningOHXDavidson, DeKalb, Rutherford, Smith, Williamson, Wilson32 min
Mar 25, 8:35 PM CDTTornado WarningOHXBedford, Marshall, Maury, Rutherford, Williamson25 min
Mar 25, 8:41 PM CDTSevere Thunderstorm WarningOHXBedford, Giles, Marshall, Maury, Rutherford34 min
Mar 25, 8:41 PM CDTTornado WarningOHXSmith, Trousdale, Wilson34 min
Mar 25, 8:49 PM CDTTornado WarningOHXRutherford26 min
Mar 25, 9:09 PM CDTSevere Thunderstorm WarningOHXCannon, DeKalb, Rutherford, Smith, Wilson36 min
Mar 25, 9:40 PM CDTSevere Thunderstorm WarningOHXDeKalb, Putnam, White35 min
Mar 25, 9:53 PM CDTAreal Flood AdvisoryOHXDavidson3 hr
Mar 25, 9:54 PM CDTRiver Flood AdvisoryOHXDavidson3 hr
Mar 25, 9:57 PM CDTRiver Flood AdvisoryOHXDavidson3 hr
Mar 25, 10:22 PM CDTSpecial Weather StatementOHXFentress, Overton, Pickett, White38 min
Mar 25, 10:37 PM CDTSpecial Weather StatementOHXCumberland38 min
Mar 25, 10:37 PM CDTSpecial Weather StatementOHXGrundy, Van Buren23 min
Mar 26, 5:58 PM CDTFlash Flood WatchOHXBedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more42 hr

Nearby

Tornado Warnings in Tennessee, 2021Every tornado warning in 2021Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.