Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 112, NWS Memphis, TN

May 4, 20214 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at May 4, 2021, 4:18 AM CDT for 4 counties in Tennessee. It was in force for 27 min. 6 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: May 4, 2021, 4:18 AM CDT (09:18 UTC)
Expired: May 4, 2021, 4:45 AM CDT
In force: 27 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Benton County, TN, Carroll County, TN, Henry County, TN, Weakley County, TN

The radar

The Ft Campbell radar (KHPX), 87 km from the middle of the area, began a volume at 09:17 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
May 4, 4:20 AM CDT	TSTM WND DMG	Paris, TN	TREES AND POWERLINES DOWN.
May 4, 4:30 AM CDT	TSTM WND DMG	1 Ne Big Sandy, TN	NUMEROUS TREES DOWN WITH HOUSES AND VEHICLES DAMAGED ALONG STOCKDALE CIRCLE.
May 4, 4:30 AM CDT	TSTM WND DMG	7 Nne Big Sandy, TN	MOBILE HOME OVERTURNED AT STOCKDALE CIRCLE AND LICK CREEK RD. NUMEROUS TREES DOWN AND POWER OUTAGES IN THE AREA.
May 4, 4:30 AM CDT	TSTM WND DMG	7 Nne Big Sandy, TN	MULTIPLE TREES DOWN AND POWER OUT AT STOCKDALE CIRCLE AND LICK CREEK RD.
May 4, 4:30 AM CDT	TSTM WND DMG	8 Ne Big Sandy, TN	NUMEROUS TREES DOWN WITH HOUSES AND VEHICLES DAMAGED ALONG STOCKDALE CIRCLE.
May 4, 4:40 AM CDT	TSTM WND DMG	6 Nne Huntingdon, TN	TREE DOWN ON DILLAHUNTY RD.

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
May 4, 1:41 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.3 hours before the alert went out and 133 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: 2263 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1050 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 7.6

Open this sounding in Storm Lab

The text

As transmitted.

727 
WUUS54 KMEG 040918
SVRMEG
TNC005-017-079-183-040945-
/O.NEW.KMEG.SV.W.0112.210504T0918Z-210504T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
418 AM CDT Tue May 4 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Weakley County in western Tennessee...
  Benton County in western Tennessee...
  Northern Carroll County in western Tennessee...
  Henry County in western Tennessee...

* Until 445 AM CDT.

* At 418 AM CDT, severe thunderstorms were located along a line
  extending from 7 miles south of Murray to near Huntingdon, moving
  east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Paris, McKenzie, Huntingdon, Camden, Paris Landing State Park,
  Bruceton, Gleason, Atwood, Cottage Grove, Routon, Vale,
  Springville, Trezevant, Hollow Rock, Puryear, Big Sandy, Henry,
  McLemoresville, Mansfield and Jones Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3613 8792 3603 8800 3600 8800 3599 8867
      3650 8850 3650 8806 3647 8805 3644 8806
      3643 8804 3637 8800 3635 8798 3627 8794
      3622 8795 3616 8792
TIME...MOT...LOC 0918Z 256DEG 47KT 3650 8831 3607 8846 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ

1 follow-up statement

565 
WWUS54 KMEG 040937
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
437 AM CDT Tue May 4 2021

TNC183-040946-
/O.CAN.KMEG.SV.W.0112.000000T0000Z-210504T0945Z/
Weakley TN-
437 AM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WEAKLEY COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
western Tennessee.

LAT...LON 3600 8800 3600 8853 3650 8830 3650 8806
      3647 8805 3644 8806 3643 8804 3637 8800
      3635 8798 3627 8794 3622 8795 3616 8792
      3613 8792 3603 8800
TIME...MOT...LOC 0936Z 295DEG 40KT 3655 8805 3603 8823 

$$

TNC005-017-079-040945-
/O.CON.KMEG.SV.W.0112.000000T0000Z-210504T0945Z/
Benton TN-Carroll TN-Henry TN-
437 AM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR BENTON...NORTHEASTERN CARROLL AND HENRY COUNTIES...

At 436 AM CDT, severe thunderstorms were located along a line
extending from 8 miles north of Paris Landing State Park to Bruceton,
moving southeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Paris, Huntingdon, Camden, Paris Landing State Park, Bruceton,
Routon, Vale, Springville, Hollow Rock, Puryear, Big Sandy, Henry,
Mansfield, Old Springville, Sunnyside, Whitlock, Porter Court,
Conyersville, Pine Hill and Ephesus.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3600 8800 3600 8853 3650 8830 3650 8806
      3647 8805 3644 8806 3643 8804 3637 8800
      3635 8798 3627 8794 3622 8795 3616 8792
      3613 8792 3603 8800
TIME...MOT...LOC 0936Z 295DEG 40KT 3655 8805 3603 8823 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 2:34 AM CDT	Severe Thunderstorm Warning	MEG	Tipton	41 min
May 4, 2:59 AM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lake, Lauderdale, Obion	46 min
May 4, 3:10 AM CDT	Special Weather Statement	MEG	Shelby, Tipton	35 min
May 4, 3:28 AM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Dyer, Gibson, Obion, Weakley	47 min
May 4, 3:46 AM CDT	Special Weather Statement	MEG	Crockett	44 min
May 4, 3:54 AM CDT	Special Weather Statement	MEG	Fayette, Haywood, Shelby, Tipton	51 min
May 4, 4:10 AM CDT	Special Weather Statement	MEG	Henry	35 min
May 4, 4:20 AM CDT	Special Weather Statement	MEG	Gibson	25 min
May 4, 4:43 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Carroll, Decatur, Henderson, Henry	47 min
May 4, 4:47 AM CDT	Areal Flood Advisory	MEG	Fayette, Shelby	73 min
May 4, 11:40 AM CDT	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	7 days
May 4, 3:00 PM CDT	Severe Thunderstorm Warning	MEG	Hardeman	19 min
May 4, 5:28 PM CDT	Special Weather Statement	MEG	Henry	32 min
May 4, 5:43 PM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
May 4, 6:29 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	46 min
May 4, 6:56 PM CDT	Special Weather Statement	MEG	Lake	34 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.