Alert archive / Mississippi / Tornado Warnings in 2020

Tornado Warning 59, NWS Jackson, MS

December 23, 20204 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Dec 23, 2020, 11:51 PM CST for 4 counties in Mississippi. It was in force for 39 min. 1 report 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 23, 2020, 11:51 PM CST (05:51 UTC)
Expired
Dec 24, 2020, 12:30 AM CST
In force
39 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Copiah County, MS, Lawrence County, MS, Lincoln County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 73 km from the middle of the area, began a volume at 05:54 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 23, 11:51 PM CSTTORNADO2 E New Sight, MSTHIS TORNADO BEGAN IN BETWEEN OLD HIGHWAY 51 AND HIGHWAY 51 NORTH OF BROOKHAVEN, WHERE IT SNAPPED A FEW TREES. THE TORNADO CONTINUED EAST-SOUTHEAST AND CROSSED OLD HIGHWAY 51, WHERE IT SNAPPED AND UPROOTED NUMEROUS TREES. THE TRACK CONTINUED AND CROSSED CLEAR

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 23, 8:40 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.9 hours before the alert went out and 75 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, Jackson, MS at 00:00Z on 2020-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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, Jackson, MS at 00:00Z on 2020-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 413 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
20 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
413 m²/s²
0-3 km storm-relative helicity
438 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

613 
WFUS54 KJAN 240551
TORJAN
MSC029-077-085-127-240630-
/O.NEW.KJAN.TO.W.0059.201224T0551Z-201224T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1151 PM CST Wed Dec 23 2020

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Simpson County in central Mississippi...
  Northeastern Lincoln County in south central Mississippi...
  Northern Lawrence County in south central Mississippi...
  Southeastern Copiah County in central Mississippi...

* Until 1230 AM CST.
    
* At 1150 PM CST, a severe thunderstorm capable of producing a
  tornado was located over Wesson, or near Brookhaven, moving east at
  40 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...
  Sontag around 1205 AM CST.
  Wanilla around 1210 AM CST.
  Oma and Rockport around 1215 AM CST.
  Shivers around 1225 AM CST.

Other locations impacted by this tornadic thunderstorm include
Beauregard and New Hebron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3154 9044 3178 9045 3184 8997 3162 8998
TIME...MOT...LOC 0550Z 256DEG 36KT 3167 9040 

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

$$

22
2 follow-up statements
352 
WWUS54 KJAN 240613
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1213 AM CST Thu Dec 24 2020

MSC029-085-240621-
/O.CAN.KJAN.TO.W.0059.000000T0000Z-201224T0630Z/
Lincoln MS-Copiah MS-
1213 AM CST Thu Dec 24 2020

...THE TORNADO WARNING FOR NORTHEASTERN LINCOLN AND SOUTHEASTERN
COPIAH COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3173 9020 3175 9016 3175 9012 3177 9013
      3178 9012 3177 9012 3179 9011 3184 8997
      3162 8998 3159 9017
TIME...MOT...LOC 0611Z 256DEG 36KT 3172 9015 

$$

MSC077-127-240630-
/O.CON.KJAN.TO.W.0059.000000T0000Z-201224T0630Z/
Simpson MS-Lawrence MS-
1213 AM CST Thu Dec 24 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CST FOR SOUTH
CENTRAL SIMPSON AND NORTHERN LAWRENCE COUNTIES...
    
At 1211 AM CST, a severe thunderstorm capable of producing a tornado
was located over Oma, or 15 miles southwest of Pinola, moving east at
40 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...
  Shivers around 1225 AM CST.

Other locations impacted by this tornadic thunderstorm include New
Hebron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3173 9020 3175 9016 3175 9012 3177 9013
      3178 9012 3177 9012 3179 9011 3184 8997
      3162 8998 3159 9017
TIME...MOT...LOC 0611Z 256DEG 36KT 3172 9015 

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

$$

22
244 
WWUS54 KJAN 240622
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1222 AM CST Thu Dec 24 2020

MSC077-127-240631-
/O.EXP.KJAN.TO.W.0059.000000T0000Z-201224T0630Z/
Simpson MS-Lawrence MS-
1222 AM CST Thu Dec 24 2020

...THE TORNADO WARNING FOR SOUTH CENTRAL SIMPSON AND NORTHERN
LAWRENCE COUNTIES WILL EXPIRE AT 1230 AM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3173 9020 3175 9016 3175 9012 3177 9013
      3178 9012 3177 9012 3179 9011 3184 8997
      3162 8998 3159 9017
TIME...MOT...LOC 0621Z 256DEG 36KT 3173 9009 

$$

22

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 9:03 PM CSTSpecial Weather StatementJANLeflore, Sunflower, Washington57 min
Dec 23, 9:30 PM CSTSpecial Weather StatementJANAdams45 min
Dec 23, 9:40 PM CSTSpecial Weather StatementJANWarren35 min
Dec 23, 9:59 PM CSTSpecial Weather StatementJANHinds31 min
Dec 23, 10:09 PM CSTSevere Thunderstorm WarningJANMadison, Yazoo56 min
Dec 23, 10:12 PM CSTTornado WarningJANMadison, Yazoo63 min
Dec 23, 10:37 PM CSTSevere Thunderstorm WarningJANAdams, Copiah, Franklin, Jefferson, Lincoln53 min
Dec 23, 11:07 PM CSTTornado WarningJANCopiah, Franklin, Jefferson, Lincoln53 min
Dec 24, 12:20 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence55 min
Dec 24, 12:53 AM CSTTornado WarningJANCovington, Jasper, Jones, Smith52 min
Dec 24, 9:12 AM CSTRiver Flood WarningJANHinds, Warren48 hr

Nearby

Tornado Warnings in Mississippi, 2020Every tornado warning in 2020Tornadoes in 2020

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.