Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Memphis, TN

March 27, 20214 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 27, 2021, 4:05 PM CDT for 4 counties in Tennessee. It was in force for 40 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
Mar 27, 2021, 4:05 PM CDT (21:05 UTC)
Expired
Mar 27, 2021, 4:45 PM CDT
In force
40 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Chester County, TN, Hardeman County, TN, Henderson County, TN, Madison County, TN

The radar

The Memphis radar (KNQA), 111 km from the middle of the area, began a volume at 21:08 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

TimeReportWhereRemark
Mar 27, 4:30 PM CDTTSTM WND DMG3 W Jacks Creek, TNSEVERAL LARGE TREES DOWN BETWEEN JACKS CREEK AND HENDERSON.
Mar 27, 4:35 PM CDTTSTM WND DMG2 Sw Lexington, TNHOUSE PARTIALLY DESTROYED AND SEVERAL TREES DOWN HWY 22 SOUTHWEST OF LEXINGTON NEAR COMMUNITY OF MIDDLEFORK. POSSIBLE TORNADO.
Mar 27, 4:35 PM CDTTSTM WND DMGSw Lexington, TNHOUSE PARTIALLY DESTROYED AND SEVERAL TREES DOWN HWY 22 SOUTHWEST OF LEXINGTON. POSSIBLE TORNADO.
Mar 27, 4:35 PM CDTTORNADOLexington, TN5 STRUCTURES WITH MAJOR DAMAGE AND 3 WITH MINOR DAMAGES. NUMEROUS TREES AND POWER LINES DOWN.
Mar 27, 4:43 PM CDTHAIL 1.753 S Lexington, TNGOLF BALL SIZED HAIL IN THE PINE LAKE AREA.
Mar 27, 4:50 PM CDTTSTM WND DMGJacks Creek, TNSEVERAL TREES DOWN AND POWER LINES DOWN ON HIGHWAY 22A AND MIDDLEFORK ROAD.

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.

IssuedProductOfficeLasted
Mar 27, 1:51 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.1 hours before the alert went out and 141 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, Little Rock, AR at 12:00Z on 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 265 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, Little Rock, AR at 12:00Z on 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897Sfc1 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
265 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

826 
WUUS54 KMEG 272105
SVRMEG
TNC023-069-077-113-272145-
/O.NEW.KMEG.SV.W.0033.210327T2105Z-210327T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
405 PM CDT Sat Mar 27 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Henderson County in western Tennessee...
  North central Hardeman County in western Tennessee...
  Southern Madison County in western Tennessee...
  Central Chester County in western Tennessee...

* Until 445 PM CDT.

* At 405 PM CDT, a severe thunderstorm was located near Mercer, or 7
  miles northwest of Chickasaw State Forest, moving northeast at 55
  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...
  Jackson, Lexington, Henderson, Natchez Trace State Forest,
  Chickasaw State Park, Sardis, Bemis, Reagan, Blue Goose, Jacks
  Creek, Parkers Crossroads, Mifflin, Bargerton, Wildersville, Scotts
  Hill, Medon, Pinson, Cedar Grove, Beech Bluff and Madison Hall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for western
Tennessee.

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

&&

LAT...LON 3537 8898 3547 8903 3567 8876 3582 8846
      3574 8826 3546 8825
TIME...MOT...LOC 2105Z 246DEG 47KT 3546 8892 

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

KRM
1 follow-up statement
920 
WWUS54 KMEG 272119
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
419 PM CDT Sat Mar 27 2021

TNC069-272128-
/O.CAN.KMEG.SV.W.0033.000000T0000Z-210327T2145Z/
Hardeman TN-
419 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HARDEMAN 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 900 PM CDT for western
Tennessee.

LAT...LON 3542 8883 3555 8892 3567 8876 3582 8846
      3574 8826 3546 8825
TIME...MOT...LOC 2118Z 250DEG 41KT 3550 8875 

$$

TNC023-077-113-272145-
/O.CON.KMEG.SV.W.0033.000000T0000Z-210327T2145Z/
Henderson TN-Madison TN-Chester TN-
419 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR HENDERSON...SOUTHEASTERN MADISON AND NORTHERN CHESTER COUNTIES...

At 418 PM CDT, a severe thunderstorm was located near Henderson,
moving east at 50 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...
Jackson, Lexington, Henderson, Natchez Trace State Forest, Sardis,
Bemis, Reagan, Blue Goose, Jacks Creek, Parkers Crossroads, Mifflin,
Bargerton, Wildersville, Scotts Hill, Medon, Pinson, Cedar Grove,
Beech Bluff, Madison Hall and Rock Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for western
Tennessee.

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

&&

LAT...LON 3542 8883 3555 8892 3567 8876 3582 8846
      3574 8826 3546 8825
TIME...MOT...LOC 2118Z 250DEG 41KT 3550 8875 

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

KRM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 2:44 AM CDTFlash Flood WatchMEGBenton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more24 hr
Mar 27, 4:59 AM CDTSpecial Weather StatementMEGTipton31 min
Mar 27, 5:06 AM CDTSpecial Weather StatementMEGCarroll, Madison24 min
Mar 27, 5:13 AM CDTFlash Flood WarningMEGShelby3 hr
Mar 27, 5:14 AM CDTFlash Flood WarningMEGMadison3 hr
Mar 27, 5:20 AM CDTSpecial Weather StatementMEGShelby40 min
Mar 27, 5:34 AM CDTSevere Thunderstorm WarningMEGShelby41 min
Mar 27, 5:37 AM CDTSpecial Weather StatementMEGBenton, Carroll53 min
Mar 27, 5:56 AM CDTSpecial Weather StatementMEGFayette49 min
Mar 27, 7:00 AM CDTSpecial Weather StatementMEGChester, Henderson, McNairy30 min
Mar 27, 7:16 AM CDTSpecial Weather StatementMEGDecatur, Hardin, Henderson29 min
Mar 27, 9:01 AM CDTAreal Flood AdvisoryMEGFayette, Haywood, Shelby, Tipton3 hr
Mar 27, 9:33 AM CDTFlash Flood WarningMEGChester, Decatur, Hardeman, Hardin, Henderson, McNairy5 hr
Mar 27, 11:29 AM CDTRiver Flood WarningMEGFayette, Shelby44 hr
Mar 27, 11:29 AM CDTRiver Flood WarningMEGMadison4 days
Mar 27, 11:29 AM CDTRiver Flood WarningMEGCrockett, Dyer, Lauderdale14 days
Mar 27, 11:29 AM CDTRiver Flood WarningMEGShelby23 hr
Mar 27, 3:45 PM CDTSpecial Weather StatementMEGTipton30 min
Mar 27, 3:50 PM CDTSpecial Weather StatementMEGMadison25 min
Mar 27, 4:15 PM CDTSpecial Weather StatementMEGLauderdale30 min
Mar 27, 4:35 PM CDTTornado WarningMEGChester, Decatur, Henderson40 min
Mar 27, 5:05 PM CDTAreal Flood AdvisoryMEGChester, Henderson, Madison3 hr
Mar 27, 5:08 PM CDTTornado WarningMEGDecatur, Henderson22 min
Mar 27, 5:42 PM CDTTornado WarningMEGLauderdale48 min
Mar 27, 6:23 PM CDTTornado Warning Tornado observedMEGLauderdale52 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2021Every 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.