Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 83, NWS Memphis, TN

December 11, 2021Itawamba County, Prentiss County, Tishomingo County, Mississippi

NWS Memphis, TN issued this tornado warning at Dec 11, 2021, 4:25 AM CST for Itawamba County, Prentiss County, Tishomingo County, Mississippi. It was in force for 35 min. 2 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
Dec 11, 2021, 4:25 AM CST (10:25 UTC)
Expired
Dec 11, 2021, 5:00 AM CST
In force
35 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Itawamba County, MS, Prentiss County, MS, Tishomingo County, MS

The radar

The Columbus AFB radar (KGWX), 71 km from the middle of the area, began a volume at 10:30 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
Dec 11, 4:26 AM CSTTORNADO5 Ne Marietta, MS2 MOBILE HOMES DAMAGED AS WELL AS 1 WOOD STRUCTURE NEAR NEW SITE COMMUNITY.
Dec 11, 4:31 AM CSTTORNADO4 Nne Marietta, MSTORNADIC DEBRIS SIGNATURE NORTHEAST OF MARIETTA.

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
Dec 10, 10:44 PM CSTTornado WatchSPC6 hr
Dec 11, 3:41 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 10.4 hours before the alert went out and 147 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 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 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 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 398 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
1725 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
398 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
4.8
Supercell composite
16.2

Open this sounding in Storm Lab

The text

As transmitted.

036 
WFUS54 KMEG 111025
TORMEG
MSC057-117-141-111100-
/O.NEW.KMEG.TO.W.0083.211211T1025Z-211211T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
425 AM CST Sat Dec 11 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northwestern Itawamba County in northeastern Mississippi...
  Southern Tishomingo County in northeastern Mississippi...
  Southeastern Prentiss County in northeastern Mississippi...

* Until 500 AM CST.
    
* At 425 AM CST, a severe thunderstorm producing a tornado was
  located near Pratts Friendship, or 8 miles east of Baldwyn, moving
  northeast at 45 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...
  Burton around 440 AM CST.
  Tishomingo State Park and Tishomingo around 450 AM CST.

Other locations impacted by this tornadic thunderstorm include
Marietta, Mingo, Thrasher, Dennis, Moores Mill, Paden, Bloody
Springs, Hobo Station, Petertown and Neil.

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.

&&

LAT...LON 3451 8815 3440 8854 3451 8854 3451 8860
      3454 8862 3478 8811
TIME...MOT...LOC 1025Z 242DEG 38KT 3452 8850 

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

$$

SWB
3 follow-up statements
715 
WWUS54 KMEG 111034
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
434 AM CST Sat Dec 11 2021

MSC057-111042-
/O.CAN.KMEG.TO.W.0083.000000T0000Z-211211T1100Z/
Itawamba MS-
434 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR NORTHWESTERN ITAWAMBA COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 AM CST for northeastern
Mississippi.

LAT...LON 3451 8815 3446 8833 3447 8847 3459 8851
      3478 8811
TIME...MOT...LOC 1032Z 242DEG 38KT 3456 8841 

$$

MSC117-141-111100-
/O.CON.KMEG.TO.W.0083.000000T0000Z-211211T1100Z/
Tishomingo MS-Prentiss MS-
434 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR SOUTHERN
TISHOMINGO AND SOUTHEASTERN PRENTISS COUNTIES...
    
At 432 AM CST, a severe thunderstorm producing a tornado was located
near Burton, or 11 miles southeast of Booneville, moving northeast at
45 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...
  Burton around 440 AM CST.
  Tishomingo State Park and Tishomingo around 450 AM CST.

Other locations impacted by this tornadic thunderstorm include
Marietta, Mingo, Thrasher, Dennis, Moores Mill, Paden, Bloody
Springs, Hobo Station, Petertown and Neil.

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.

&&

LAT...LON 3451 8815 3446 8833 3447 8847 3459 8851
      3478 8811
TIME...MOT...LOC 1032Z 242DEG 38KT 3456 8841 

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

$$

SWB
479 
WWUS54 KMEG 111047
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
447 AM CST Sat Dec 11 2021

MSC117-111056-
/O.CAN.KMEG.TO.W.0083.000000T0000Z-211211T1100Z/
Prentiss MS-
447 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHEASTERN PRENTISS COUNTY IS
CANCELLED...
    
The tornadic 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 1100 AM CST for northeastern
Mississippi.

LAT...LON 3453 8815 3450 8833 3466 8833 3478 8811
TIME...MOT...LOC 1046Z 242DEG 38KT 3463 8824 

$$

MSC141-111100-
/O.CON.KMEG.TO.W.0083.000000T0000Z-211211T1100Z/
Tishomingo MS-
447 AM CST Sat Dec 11 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR SOUTHERN
TISHOMINGO COUNTY...
    
At 446 AM CST, a severe thunderstorm producing a tornado was located
over Tishomingo, or near Tishomingo State Park, moving northeast at
45 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 tornadic thunderstorm will remain over mainly rural areas of
southern Tishomingo County, including the following locations...
Mingo, Dennis, Paden, Bloody Springs, Petertown, Neil and Carter
Branch.

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.

&&

LAT...LON 3453 8815 3450 8833 3466 8833 3478 8811
TIME...MOT...LOC 1046Z 242DEG 38KT 3463 8824 

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

$$

SWB
099 
WWUS54 KMEG 111059
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
459 AM CST Sat Dec 11 2021

MSC141-111109-
/O.EXP.KMEG.TO.W.0083.000000T0000Z-211211T1100Z/
Tishomingo MS-
459 AM CST Sat Dec 11 2021

...THE TORNADO WARNING FOR SOUTHERN TISHOMINGO COUNTY WILL EXPIRE AT
500 AM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1100 AM CST for northeastern
Mississippi.

LAT...LON 3453 8815 3450 8833 3466 8833 3478 8811
TIME...MOT...LOC 1059Z 242DEG 38KT 3469 8811 

$$

SWB

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 10:46 PM CSTSevere Thunderstorm WarningMEGTunica44 min
Dec 10, 11:25 PM CSTSevere Thunderstorm WarningMEGDeSoto9 min
Dec 10, 11:48 PM CSTSevere Thunderstorm WarningMEGDeSoto, Marshall42 min
Dec 11, 12:46 AM CSTSevere Thunderstorm WarningMEGTunica44 min
Dec 11, 12:48 AM CSTSevere Thunderstorm WarningMEGDeSoto, Tunica42 min
Dec 11, 2:12 AM CSTAreal Flood AdvisoryMEGDeSoto, Tunica3 hr
Dec 11, 2:41 AM CSTSevere Thunderstorm WarningMEGBenton, Marshall49 min
Dec 11, 2:44 AM CSTAreal Flood AdvisoryMEGDeSoto2 hr
Dec 11, 2:51 AM CSTFlash Flood WarningMEGDeSoto2 hr
Dec 11, 2:55 AM CSTSevere Thunderstorm WarningMEGPanola, Tallahatchie, Yalobusha50 min
Dec 11, 3:03 AM CSTSevere Thunderstorm WarningMEGAlcorn, Benton, Tippah42 min
Dec 11, 3:19 AM CSTAreal Flood AdvisoryMEGBenton, Marshall, Tippah3 hr
Dec 11, 3:59 AM CSTSevere Thunderstorm WarningMEGLafayette, Lee, Pontotoc, Union31 min
Dec 11, 4:03 AM CSTFlash Flood WarningMEGCalhoun, Lafayette, Lee, Pontotoc, Prentiss, Tallahatchie and 3 more2 hr
Dec 11, 4:07 AM CSTSpecial Weather StatementMEGAlcorn23 min
Dec 11, 4:21 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo39 min
Dec 11, 4:55 AM CSTAreal Flood AdvisoryMEGAlcorn, Prentiss, Tippah, Tishomingo3 hr
Dec 11, 4:58 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo47 min
Dec 11, 5:12 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo33 min
Dec 11, 5:56 AM CSTSpecial Weather StatementMEGMonroe79 min

Nearby

Tornado Warnings in Mississippi, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.