Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 56, NWS Memphis, TN

October 15, 2021Lauderdale County, Tipton County, Tennessee; Mississippi County, Arkansas

NWS Memphis, TN issued this tornado warning at Oct 15, 2021, 4:55 PM CDT for Lauderdale County, Tipton County, Tennessee; Mississippi County, Arkansas. It was in force for 23 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, 4:55 PM CDT (21:55 UTC)
Expired
Oct 15, 2021, 5:18 PM CDT
In force
23 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Mississippi County, AR, Lauderdale County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 48 km from the middle of the area, began a volume at 21:55 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, 9.9 hours before the alert went out and 104 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.

177 
WFUS54 KMEG 152155
TORMEG
ARC093-TNC097-167-152230-
/O.NEW.KMEG.TO.W.0056.211015T2155Z-211015T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
455 PM CDT Fri Oct 15 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Central Mississippi County in eastern Arkansas...
  North central Tipton County in western Tennessee...
  Lauderdale County in western Tennessee...

* Until 530 PM CDT.
    
* At 455 PM CDT, a severe thunderstorm producing a tornado was
  located over Keiser, moving east at 55 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.

* This dangerous storm will be near...
  Luxora, Fort Pillow State Park and Fulton around 505 PM CDT.
  Ashport around 510 PM CDT.
  Ft Pillow around 515 PM CDT.
  Ripley around 530 PM CDT.

Other locations impacted by this tornadic thunderstorm include Edith,
Eastview, Dryhill, Driver, O'Donnell Bend, Grider, Tomato, Rosa,
Carson Lake and Luckett.

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.

This cluster of thunderstorms is producing tornadoes and widespread
significant wind damage. Do not wait to see or hear the tornado. For
your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3591 8949 3571 8944 3569 8945 3568 8947
      3564 8947 3557 9012 3575 9017
TIME...MOT...LOC 2155Z 257DEG 49KT 3568 9006 

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

$$
2 follow-up statements
240 
WWUS54 KMEG 152209
SVSMEG

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

ARC093-TNC097-167-152230-
/O.CON.KMEG.TO.W.0056.000000T0000Z-211015T2230Z/
Mississippi AR-Tipton TN-Lauderdale TN-
509 PM CDT Fri Oct 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
MISSISSIPPI...NORTH CENTRAL TIPTON AND LAUDERDALE COUNTIES...
    
At 509 PM CDT, a severe thunderstorm producing a tornado was located
near Ashport, or near Luxora, moving east at 55 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.

This dangerous storm will be near...
  Ripley around 530 PM CDT.

Other locations impacted by this tornadic thunderstorm include Edith,
Dryhill, Driver, O'Donnell Bend, Grider, Tomato, Rosa, Luckett,
Flippin and Rotan.

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.

This cluster of thunderstorms is producing tornadoes and widespread
significant wind damage. Do not wait to see or hear the tornado. For
your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3591 8949 3571 8944 3569 8945 3568 8947
      3564 8947 3558 9005 3579 9001
TIME...MOT...LOC 2209Z 257DEG 49KT 3573 8982 

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

$$
767 
WWUS54 KMEG 152218
SVSMEG

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

ARC093-TNC097-167-152228-
/O.CAN.KMEG.TO.W.0056.000000T0000Z-211015T2230Z/
Mississippi AR-Tipton TN-Lauderdale TN-
518 PM CDT Fri Oct 15 2021

...THE TORNADO WARNING FOR CENTRAL MISSISSIPPI...NORTH CENTRAL TIPTON
AND LAUDERDALE COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
eastern Arkansas...and western Tennessee.

Remember, a Severe Thunderstorm Warning still remains in effect for
portions of Lauderdale and Tipton counties until 530 PM CDT. 

LAT...LON 3591 8949 3571 8944 3569 8945 3568 8947
      3564 8947 3558 9005 3579 9001
TIME...MOT...LOC 2217Z 257DEG 49KT 3576 8967 

$$

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, 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
Oct 15, 6:43 PM CDTSevere Thunderstorm WarningMEGCarroll, Chester, Gibson, Hardeman, Henderson, Madison47 min
Oct 15, 3:35 PM CDTSevere Thunderstorm WarningMEGCraighead, Poinsett18 min
Oct 15, 3:54 PM CDTSpecial Weather StatementMEGCraighead, Poinsett36 min
Oct 15, 4:25 PM CDTSpecial Weather StatementMEGMississippi35 min
Oct 15, 4:46 PM CDTSevere Thunderstorm WarningMEGCross, Lee, St. Francis44 min
Oct 15, 5:31 PM CDTSevere Thunderstorm WarningMEGCrittenden, Lee, St. Francis44 min
Oct 15, 5:56 PM CDTTornado WarningMEGCrittenden, Lee, St. Francis18 min

Nearby

Tornado Warnings in Tennessee, 2021Tornado Warnings in Arkansas, 2021Every tornado warning in 2021Tornadoes 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.