Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 192, NWS Memphis, TN

October 15, 20216 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Oct 15, 2021, 6:43 PM CDT for 6 counties in Tennessee. It was in force for 47 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
Oct 15, 2021, 6:43 PM CDT (23:43 UTC)
Expired
Oct 15, 2021, 7:30 PM CDT
In force
47 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Memphis radar (KNQA), 96 km from the middle of the area, began a volume at 23:44 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
Oct 15, 12:28 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.7 hours before the alert went out and 126 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 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 567 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 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
567 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

529 
WUUS54 KMEG 152343
SVRMEG
TNC017-023-053-069-077-113-160030-
/O.NEW.KMEG.SV.W.0192.211015T2343Z-211016T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
643 PM CDT Fri Oct 15 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northwestern Henderson County in western Tennessee...
  Southeastern Gibson County in western Tennessee...
  Northern Hardeman County in western Tennessee...
  Southwestern Carroll County in western Tennessee...
  Madison County in western Tennessee...
  Northwestern Chester County in western Tennessee...

* Until 730 PM CDT.

* At 643 PM CDT, severe thunderstorms were located along a line
  extending from near Fairview to Mercer, moving east at 30 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, Chickasaw State Forest, Chickasaw
  State Park, Fairview, Three Way, Blue Goose, Mifflin, Bargerton,
  Bemis, Parkers Crossroads, Cloverport, Mercer, Carroll, Medina,
  Toone, Finger, Medon and Hickory Flat.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3538 8859 3535 8865 3537 8918 3543 8913
      3543 8908 3551 8907 3584 8883 3583 8835
TIME...MOT...LOC 2343Z 271DEG 26KT 3572 8883 3548 8906 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
2 follow-up statements
927 
WWUS54 KMEG 160004
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
704 PM CDT Fri Oct 15 2021

TNC053-069-160014-
/O.CAN.KMEG.SV.W.0192.000000T0000Z-211016T0030Z/
Gibson TN-Hardeman TN-
704 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GIBSON AND
NORTHERN HARDEMAN COUNTIES 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 PM CDT for
western Tennessee.

LAT...LON 3539 8858 3539 8865 3542 8884 3543 8884
      3543 8894 3584 8864 3583 8835
TIME...MOT...LOC 0004Z 271DEG 26KT 3572 8866 3548 8889 

$$

TNC017-023-077-113-160030-
/O.CON.KMEG.SV.W.0192.000000T0000Z-211016T0030Z/
Henderson TN-Carroll TN-Madison TN-Chester TN-
704 PM CDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN HENDERSON...SOUTHWESTERN CARROLL...EASTERN MADISON
AND CENTRAL CHESTER COUNTIES...

At 704 PM CDT, severe thunderstorms were located along a line
extending from near Blue Goose to 6 miles northwest of Chickasaw
State Park, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Jackson, Lexington, Henderson, Blue Goose, Parkers Crossroads,
Mifflin, Bargerton, Medon, Hickory Flat, Pinson, Cedar Grove, Beech
Bluff, Madison Hall, Union Cross, Juno, Maple Grove, East Union,
Parker's Cross Roads, Malesus and Claybrook.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3539 8858 3539 8865 3542 8884 3543 8884
      3543 8894 3584 8864 3583 8835
TIME...MOT...LOC 0004Z 271DEG 26KT 3572 8866 3548 8889 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
749 
WWUS54 KMEG 160017
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
717 PM CDT Fri Oct 15 2021

TNC017-160027-
/O.CAN.KMEG.SV.W.0192.000000T0000Z-211016T0030Z/
Carroll TN-
717 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CARROLL 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 PM CDT for
western Tennessee.

LAT...LON 3550 8852 3550 8874 3579 8861 3579 8860
      3581 8859 3582 8857 3582 8836
TIME...MOT...LOC 0017Z 271DEG 26KT 3572 8855 3548 8878 

$$

TNC023-077-113-160030-
/O.CON.KMEG.SV.W.0192.000000T0000Z-211016T0030Z/
Henderson TN-Madison TN-Chester TN-
717 PM CDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN HENDERSON...SOUTHEASTERN MADISON AND NORTH CENTRAL
CHESTER COUNTIES...

At 717 PM CDT, severe thunderstorms were located along a line
extending from near Blue Goose to near Chickasaw State Park, moving
east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Lexington, Parkers Crossroads, Mifflin, Blue Goose, Bargerton,
Parker's Cross Roads, Claybrook, Cedar Grove, Mount Gilead, Beech
Bluff, Huron, Russell Crossroads, Union Cross, Juno, Sand Ridge, Five
Points and White Fern.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3550 8852 3550 8874 3579 8861 3579 8860
      3581 8859 3582 8857 3582 8836
TIME...MOT...LOC 0017Z 271DEG 26KT 3572 8855 3548 8878 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 3:06 AM CDTAreal Flood AdvisoryMEGShelby3 hr
Oct 15, 3:23 PM CDTSpecial Weather StatementMEGWeakley37 min
Oct 15, 4:33 PM CDTSpecial Weather StatementMEGHenry27 min
Oct 15, 4:42 PM CDTSevere Thunderstorm WarningMEGLauderdale, Tipton48 min
Oct 15, 4:55 PM CDTTornado WarningMEGLauderdale, Tipton23 min
Oct 15, 5:39 PM CDTSpecial Weather StatementMEGBenton36 min
Oct 15, 5:43 PM CDTSpecial Weather StatementMEGTipton47 min
Oct 15, 5:56 PM CDTSevere Thunderstorm WarningMEGCrockett, Gibson, Haywood, Madison49 min
Oct 15, 6:28 PM CDTSevere Thunderstorm WarningMEGChester, Hardeman, Haywood, Madison17 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.