Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 41, NWS Memphis, TN

April 28, 2021Henry County, Tennessee

NWS Memphis, TN issued this tornado warning at Apr 28, 2021, 6:54 PM CDT for Henry County, Tennessee. It was in force for 51 min. 4 reports 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: Apr 28, 2021, 6:54 PM CDT (23:54 UTC)
Expired: Apr 28, 2021, 7:45 PM CDT
In force: 51 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Henry County, TN

The radar

The Ft Campbell radar (KHPX), 81 km from the middle of the area, began a volume at 23:56 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
Apr 28, 6:55 PM CDT	TSTM WND DMG	5 S Buchanan, TN	TWO OUTBUILDINGS DESTROYED. TREES AND POWER LINES DOWN OVER ROAD 1 MILE NORTH ON BUCHANAN ROAD OFF HIGHWAY 79 NORTH.
Apr 28, 7:00 PM CDT	TSTM WND DMG	5 Ssw Buchanan, TN	TREES DOWN AND ROOF DAMAGE TO ONE HOME ALONG SHADY GROVE ROAD.
Apr 28, 7:05 PM CDT	TSTM WND DMG	5 Sse Buchanan, TN	BUILDING COLLAPSED NEAR HIGHWAY 79 AND SULPHUR WELLS ACADEMY ROAD.
Apr 28, 7:05 PM CDT	TORNADO	4 Sse Buchanan, TN	VIDEO EVIDENCE OF A TORNADO NEAR HIGHWAY 79 AND SULPHUR WELLS ACADEMY ROAD.

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, 11.9 hours before the alert went out and 139 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: 180 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

074 
WFUS54 KMEG 282354
TORMEG
TNC079-290045-
/O.NEW.KMEG.TO.W.0041.210428T2354Z-210429T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
654 PM CDT Wed Apr 28 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northeastern Henry County in western Tennessee...

* Until 745 PM CDT.
    
* At 654 PM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located 7 miles northeast of Paris, moving
  east at 25 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.

* Locations impacted include...
  Paris Landing State Park, Pine Hill, Buchanan and Big Sandy Unit
  Tennessee National Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3636 8809 3634 8810 3633 8833 3642 8834
      3650 8810 3650 8805 3649 8806 3647 8805
      3645 8806 3644 8806 3643 8804 3636 8799
TIME...MOT...LOC 2354Z 257DEG 21KT 3638 8824 

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

$$

MJ

2 follow-up statements

589 
WWUS54 KMEG 290014
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
714 PM CDT Wed Apr 28 2021

TNC079-290045-
/O.CON.KMEG.TO.W.0041.000000T0000Z-210429T0045Z/
Henry TN-
714 PM CDT Wed Apr 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN HENRY COUNTY...
    
At 713 PM CDT, doppler radar indicated a severe thunderstorm 
producing a tornado was located 5 miles west of Paris Landing State 
Park, moving east at 20 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...
Paris Landing State Park, Buchanan and Big Sandy Unit Tennessee
National Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3634 8817 3643 8822 3649 8806 3647 8805
      3645 8806 3644 8806 3643 8804 3636 8799
      3636 8809 3634 8810
TIME...MOT...LOC 0013Z 260DEG 18KT 3639 8813 

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

$$

MJ

162 
WWUS54 KMEG 290035
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
735 PM CDT Wed Apr 28 2021

TNC079-290045-
/O.EXP.KMEG.TO.W.0041.000000T0000Z-210429T0045Z/
Henry TN-
735 PM CDT Wed Apr 28 2021

...THE TORNADO WARNING FOR NORTHEASTERN HENRY COUNTY WILL EXPIRE AT
745 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3634 8817 3643 8822 3649 8806 3647 8805
      3645 8806 3644 8806 3643 8804 3636 8799
      3636 8809 3634 8810
TIME...MOT...LOC 0035Z 257DEG 21KT 3642 8799 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 4:38 PM CDT	Special Weather Statement	MEG	Obion	37 min
Apr 28, 5:06 PM CDT	Severe Thunderstorm Warning	MEG	Obion, Weakley	54 min
Apr 28, 5:39 PM CDT	Special Weather Statement	MEG	Weakley	51 min
Apr 28, 5:48 PM CDT	Severe Thunderstorm Warning	MEG	Henry, Weakley	42 min
Apr 28, 6:11 PM CDT	Tornado Warning	MEG	Henry, Weakley	49 min

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.