Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 36, NWS Memphis, TN

March 27, 20214 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 27, 2021, 7:35 PM CDT for 4 counties in Tennessee. It was in force for 40 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 27, 2021, 7:35 PM CDT (00:35 UTC)
Expired
Mar 27, 2021, 8:15 PM CDT
In force
40 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Crockett County, TN, Gibson County, TN, Haywood County, TN, Madison County, TN

The radar

The Memphis radar (KNQA), 82 km from the middle of the area, began a volume at 00:38 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 27, 1:51 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 123 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 00:00Z on 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 894 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 00:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897117Sfc1 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
894 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.7
Supercell composite
8.7

Open this sounding in Storm Lab

The text

As transmitted.

737 
WUUS54 KMEG 280035
SVRMEG
TNC033-053-075-113-280115-
/O.NEW.KMEG.SV.W.0036.210328T0035Z-210328T0115Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Crockett County in western Tennessee...
  Southeastern Gibson County in western Tennessee...
  Eastern Haywood County in western Tennessee...
  Central Madison County in western Tennessee...

* Until 815 PM CDT.

* At 735 PM CDT, a severe thunderstorm was located near Brownsville,
  moving northeast at 45 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, Brownsville, Humboldt, Fairview, Alamo, Bells, Three Way,
  Holly Grove, Adair, Carroll, Medina, Gadsden, Gibson, Quincy,
  Gibson Wells, Allens, Huntersville, Westover, Jones and Gilmore.

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 3546 8922 3556 8934 3591 8906 3587 8874
      3564 8869
TIME...MOT...LOC 0035Z 231DEG 40KT 3554 8920 

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

MJ
3 follow-up statements
862 
WWUS54 KMEG 280053
SVSMEG

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

TNC033-053-075-113-280115-
/O.CON.KMEG.SV.W.0036.000000T0000Z-210328T0115Z/
Crockett TN-Gibson TN-Haywood TN-Madison TN-
753 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN CROCKETT...SOUTHEASTERN GIBSON...EAST CENTRAL
HAYWOOD AND CENTRAL MADISON COUNTIES...

At 753 PM CDT, a severe thunderstorm was located over Adair, or 8
miles west of Jackson, moving northeast 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, Humboldt, Fairview, Bells, Three Way, Holly Grove, Adair,
Carroll, Medina, Gadsden, Gibson, Huntersville, Westover, Gilmore,
Mason Grove, Sitka, Leighton, Coxville, Fruitvale and Youngs
Crossing.

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 3549 8914 3558 8919 3590 8898 3587 8874
      3564 8869
TIME...MOT...LOC 0053Z 229DEG 44KT 3568 8898 

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

MJ
778 
WWUS54 KMEG 280107
SVSMEG

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

TNC033-075-280116-
/O.CAN.KMEG.SV.W.0036.000000T0000Z-210328T0115Z/
Crockett TN-Haywood TN-
807 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CROCKETT AND EAST
CENTRAL HAYWOOD COUNTIES 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 3586 8885 3587 8874 3564 8869 3553 8903
TIME...MOT...LOC 0106Z 250DEG 33KT 3568 8883 

$$

TNC053-113-280115-
/O.CON.KMEG.SV.W.0036.000000T0000Z-210328T0115Z/
Gibson TN-Madison TN-
807 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN GIBSON AND NORTHERN MADISON COUNTIES...

At 806 PM CDT, a severe thunderstorm was located over Jackson, moving
east at 40 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, Humboldt, Fairview, Three Way, Carroll, Medina, Youngs
Crossing, West, Huntersville, Westover, Windy City, Gilmore, Sitka,
Goat City and Oakfield.

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 3586 8885 3587 8874 3564 8869 3553 8903
TIME...MOT...LOC 0106Z 250DEG 33KT 3568 8883 

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

MJ
502 
WWUS54 KMEG 280113
SVSMEG

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

TNC053-113-280123-
/O.EXP.KMEG.SV.W.0036.000000T0000Z-210328T0115Z/
Gibson TN-Madison TN-
813 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GIBSON AND
NORTHERN MADISON COUNTIES WILL EXPIRE AT 815 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

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

LAT...LON 3586 8885 3587 8874 3564 8869 3553 8903
TIME...MOT...LOC 0113Z 231DEG 40KT 3573 8876 

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 7:02 PM CDTTornado WarningMEGDyer, Lauderdale43 min
Mar 27, 7:03 PM CDTTornado WarningMEGLauderdale, Tipton42 min
Mar 27, 7:22 PM CDTSpecial Weather StatementMEGHaywood23 min
Mar 27, 7:41 PM CDTSpecial Weather StatementMEGChester34 min
Mar 27, 7:44 PM CDTSpecial Weather StatementMEGDyer31 min
Mar 27, 7:52 PM CDTSpecial Weather StatementMEGLauderdale23 min
Mar 27, 7:54 PM CDTSpecial Weather StatementMEGShelby21 min
Mar 27, 8:04 PM CDTSevere Thunderstorm WarningMEGChester, Decatur, Henderson41 min
Mar 27, 8:07 PM CDTTornado WarningMEGShelby, Tipton38 min
Mar 27, 8:18 PM CDTSevere Thunderstorm WarningMEGHenderson, Madison42 min
Mar 27, 8:20 PM CDTSpecial Weather StatementMEGDyer25 min
Mar 27, 8:23 PM CDTFlash Flood WarningMEGChester, Henderson, Madison6 hr
Mar 27, 8:26 PM CDTSevere Thunderstorm WarningMEGShelby11 min
Mar 27, 8:37 PM CDTTornado WarningMEGDecatur23 min
Mar 27, 8:39 PM CDTSevere Thunderstorm WarningMEGLauderdale, Tipton34 min
Mar 27, 8:43 PM CDTAreal Flood AdvisoryMEGDecatur19 min
Mar 27, 8:43 PM CDTSevere Thunderstorm WarningMEGChester, Henderson, Madison47 min
Mar 27, 9:02 PM CDTFlash Flood WarningMEGDecatur7 hr
Mar 27, 9:09 PM CDTAreal Flood AdvisoryMEGShelby3 hr
Mar 27, 9:20 PM CDTSevere Thunderstorm WarningMEGCrockett, Haywood, Madison40 min
Mar 27, 9:29 PM CDTSevere Thunderstorm WarningMEGBenton, Decatur, Henderson31 min
Mar 27, 9:32 PM CDTSevere Thunderstorm WarningMEGFayette, Hardeman, Haywood, Madison, Shelby, Tipton43 min
Mar 27, 9:37 PM CDTAreal Flood AdvisoryMEGCarroll, Gibson, Henry, Weakley3 hr
Mar 27, 9:53 PM CDTSevere Thunderstorm WarningMEGFayette, Shelby, Tipton52 min
Mar 27, 9:58 PM CDTSevere Thunderstorm WarningMEGCarroll, Chester, Crockett, Fayette, Gibson, Hardeman and 3 more47 min
Mar 27, 10:03 PM CDTFlash Flood WarningMEGBenton, Carroll, Decatur, Henderson4 hr
Mar 27, 10:17 PM CDTFlash Flood WarningMEGFayette, Shelby3 hr
Mar 27, 10:28 PM CDTRiver Flood WarningMEGDecatur, Perry11 days
Mar 27, 10:35 PM CDTFlash Flood WarningMEGHaywood, Madison, Tipton3 hr
Mar 27, 10:39 PM CDTSevere Thunderstorm WarningMEGFayette, Hardeman, Haywood, Lauderdale, Shelby, Tipton36 min
Mar 27, 10:42 PM CDTTornado WarningMEGChester, Decatur, Hardeman, Henderson, Madison29 min
Mar 27, 10:49 PM CDTFlash Flood WarningMEGShelby3 hr
Mar 27, 11:09 PM CDTSevere Thunderstorm WarningMEGChester, Fayette, Hardeman, Haywood, McNairy, Madison51 min
Mar 27, 11:11 PM CDTFlash Flood WarningMEGFayette, Hardeman3 hr
Mar 27, 11:25 PM CDTTornado WarningMEGChester, Hardeman, McNairy14 min
Mar 27, 11:54 PM CDTSevere Thunderstorm WarningMEGChester, Decatur, Hardin, Henderson, McNairy51 min
Mar 27, 11:58 PM CDTTornado WarningMEGMcNairy17 min
Mar 28, 12:12 AM CDTTornado WarningMEGHardin33 min
Mar 28, 2:30 PM CDTRiver Flood WarningMEGBenton, Henry, Houston, Humphreys, Stewart10 days

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.