Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 31, NWS Nashville, TN

May 28, 2021Fentress County, Overton County, Putnam County, Tennessee

NWS Nashville, TN issued this tornado warning at May 28, 2021, 1:15 PM CDT for Fentress County, Overton County, Putnam County, Tennessee. It was in force for 30 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
May 28, 2021, 1:15 PM CDT (18:15 UTC)
Expired
May 28, 2021, 1:45 PM CDT
In force
30 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Fentress County, TN, Overton County, TN, Putnam County, TN

The radar

The Nashville radar (KOHX), 132 km from the middle of the area, began a volume at 18:18 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.3 hours before the alert went out and 135 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 12:00Z on 2021-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 204 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 12:00Z on 2021-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.193958Sfc1 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
204 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
749 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

994 
WFUS54 KOHX 281815
TOROHX
TNC049-133-141-281845-
/O.NEW.KOHX.TO.W.0031.210528T1815Z-210528T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
115 PM CDT Fri May 28 2021

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southern Overton County in Middle Tennessee...
  Northeastern Putnam County in Middle Tennessee...
  Southwestern Fentress County in Middle Tennessee...

* Until 145 PM CDT.
    
* At 115 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Monterey, or 9 miles east of Cookeville, moving
  east at 40 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...
  Monterey around 120 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Crawford, Rickman and Clarkrange.

This includes Interstate 40 between mile markers 293 and 303.
 
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.

&&

LAT...LON 3616 8499 3615 8500 3616 8501 3617 8503
      3615 8504 3615 8506 3614 8507 3613 8513
      3612 8514 3610 8539 3623 8545 3641 8506
      3616 8498
TIME...MOT...LOC 1815Z 248DEG 33KT 3619 8534 

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

$$

Whitehead
2 follow-up statements
510 
WWUS54 KOHX 281825
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
125 PM CDT Fri May 28 2021

TNC141-281835-
/O.CAN.KOHX.TO.W.0031.000000T0000Z-210528T1845Z/
Putnam TN-
125 PM CDT Fri May 28 2021

...THE TORNADO WARNING FOR NORTHEASTERN PUTNAM COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3624 8501 3617 8526 3619 8526 3618 8528
      3620 8532 3622 8533 3622 8536 3626 8535
      3641 8506
TIME...MOT...LOC 1825Z 248DEG 33KT 3622 8523 

$$

TNC049-133-281845-
/O.CON.KOHX.TO.W.0031.000000T0000Z-210528T1845Z/
Overton TN-Fentress TN-
125 PM CDT Fri May 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
SOUTHEASTERN OVERTON AND WEST CENTRAL FENTRESS COUNTIES...
    
At 125 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Monterey, or 12 miles southeast of Livingston,
moving east at 40 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
southeastern Overton and west central Fentress Counties, including
the following locations... Crawford.

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.

&&

LAT...LON 3624 8501 3617 8526 3619 8526 3618 8528
      3620 8532 3622 8533 3622 8536 3626 8535
      3641 8506
TIME...MOT...LOC 1825Z 248DEG 33KT 3622 8523 

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

$$

Whitehead
755 
WWUS54 KOHX 281836
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
136 PM CDT Fri May 28 2021

TNC049-133-281846-
/O.EXP.KOHX.TO.W.0031.000000T0000Z-210528T1845Z/
Overton TN-Fentress TN-
136 PM CDT Fri May 28 2021

...THE TORNADO WARNING FOR SOUTHEASTERN OVERTON AND WEST CENTRAL
FENTRESS COUNTIES WILL EXPIRE AT 145 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.

LAT...LON 3624 8501 3617 8526 3619 8526 3618 8528
      3620 8532 3622 8533 3622 8536 3626 8535
      3641 8506
TIME...MOT...LOC 1836Z 248DEG 33KT 3626 8512 

$$

Whitehead

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 9:49 PM CDTSpecial Weather StatementOHXHouston, Humphreys, Stewart41 min
May 27, 11:38 PM CDTSpecial Weather StatementOHXPerry, Wayne52 min
May 27, 11:50 PM CDTSevere Thunderstorm WarningOHXLewis, Perry, Wayne40 min
May 28, 12:26 AM CDTSpecial Weather StatementOHXLawrence, Lewis, Wayne49 min
May 28, 12:25 PM CDTSpecial Weather StatementOHXDeKalb50 min
May 28, 1:00 PM CDTSpecial Weather StatementOHXFentress, Overton, Putnam45 min

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.