Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 8, NWS Jackson, MS

March 17, 2021Copiah County, Lawrence County, Lincoln County, Mississippi

NWS Jackson, MS issued this tornado warning at Mar 17, 2021, 12:50 PM CDT for Copiah County, Lawrence County, Lincoln County, Mississippi. It was in force for 55 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
Mar 17, 2021, 12:50 PM CDT (17:50 UTC)
Expired
Mar 17, 2021, 1:45 PM CDT
In force
55 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

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

The radar

The Jackson/Brandon,MS radar (KDGX), 87 km from the middle of the area, began a volume at 17:53 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
Mar 17, 1:16 PM CDTTORNADO6 Wsw Sontag, MSTORNADO DAMAGED TREES FROM NOLA RD TO AUTREY TO SANDIFER TO COTTEN. A ROOF WAS OFF A STRUCTURE ON COTTEN. TDS WAS ALSO NOTED DURING THIS TIME.
Mar 17, 1:29 PM CDTTSTM WND DMG2 Nw Sontag, MSTIN BLOW OFF 2 SHEDS, A LARGE METAL CARPORT FLIPPED AND SEVERAL LARGE LIMBS DOWN.

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
Mar 17, 11:36 AM CDTTornado Watch PDSSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.8 hours before the alert went out and 88 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 12:00Z on 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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 12:00Z on 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
687 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

855 
WFUS54 KJAN 171750
TORJAN
MSC029-077-085-171845-
/O.NEW.KJAN.TO.W.0008.210317T1750Z-210317T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1250 PM CDT Wed Mar 17 2021

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Eastern Lincoln County in south central Mississippi...
  Northwestern Lawrence County in south central Mississippi...
  Southeastern Copiah County in central Mississippi...

* Until 145 PM CDT.
    
* At 1249 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Bogue Chitto, or 8 miles south of
  Brookhaven, moving northeast at 30 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Brookhaven around 110 PM CDT.
  Wesson around 120 PM CDT.
  Sontag and Wanilla around 135 PM CDT.
  Oma around 145 PM CDT.

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 3142 9047 3145 9059 3189 9025 3167 9009
TIME...MOT...LOC 1749Z 222DEG 26KT 3146 9049 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CME
4 follow-up statements
808 
WWUS54 KJAN 171801
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
101 PM CDT Wed Mar 17 2021

MSC029-077-085-171845-
/O.CON.KJAN.TO.W.0008.000000T0000Z-210317T1845Z/
Lincoln MS-Lawrence MS-Copiah MS-
101 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHEASTERN LINCOLN...NORTHWESTERN LAWRENCE AND SOUTHEASTERN COPIAH
COUNTIES...
    
At 101 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Brookhaven, moving northeast at 30 mph.

HAZARD...Tornado and quarter size hail.

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 130 PM CDT.
  Wanilla around 135 PM CDT.
  Oma around 145 PM CDT.

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 3149 9036 3151 9053 3189 9025 3167 9009
TIME...MOT...LOC 1801Z 222DEG 26KT 3153 9042 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CME
695 
WWUS54 KJAN 171819
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
119 PM CDT Wed Mar 17 2021

MSC029-077-085-171845-
/O.CON.KJAN.TO.W.0008.000000T0000Z-210317T1845Z/
Lincoln MS-Lawrence MS-Copiah MS-
119 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHEASTERN LINCOLN...NORTHWESTERN LAWRENCE AND SOUTHEASTERN COPIAH
COUNTIES...
        
At 119 PM CDT, a confirmed tornado was located near Sontag, or 9
miles east of Brookhaven, moving northeast at 30 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Sontag around 130 PM CDT.
  Oma around 140 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3158 9026 3162 9039 3186 9023 3167 9009
TIME...MOT...LOC 1819Z 227DEG 27KT 3162 9030 

TORNADO...OBSERVED
HAIL...1.00IN

$$

CME
506 
WWUS54 KJAN 171830
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
130 PM CDT Wed Mar 17 2021

MSC029-085-171840-
/O.CAN.KJAN.TO.W.0008.000000T0000Z-210317T1845Z/
Lincoln MS-Copiah MS-
130 PM CDT Wed Mar 17 2021

...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.

A Tornado Watch remains in effect until 700 PM CDT for central and
south central Mississippi.

LAT...LON 3172 9024 3172 9023 3173 9019 3175 9016
      3175 9015 3171 9012 3170 9011 3163 9024
TIME...MOT...LOC 1830Z 222DEG 26KT 3168 9023 

$$

MSC077-171845-
/O.CON.KJAN.TO.W.0008.000000T0000Z-210317T1845Z/
Lawrence MS-
130 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
NORTHWESTERN LAWRENCE COUNTY...
    
At 130 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Sontag, or 14 miles northeast of Brookhaven, moving
northeast at 30 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...
  Oma around 140 PM CDT.

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 3172 9024 3172 9023 3173 9019 3175 9016
      3175 9015 3171 9012 3170 9011 3163 9024
TIME...MOT...LOC 1830Z 222DEG 26KT 3168 9023 

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

$$

CME
249 
WWUS54 KJAN 171836
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
136 PM CDT Wed Mar 17 2021

MSC077-171846-
/O.EXP.KJAN.TO.W.0008.000000T0000Z-210317T1845Z/
Lawrence MS-
136 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR NORTHWESTERN LAWRENCE COUNTY WILL EXPIRE
AT 145 PM CDT...
                
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.

A Tornado Watch remains in effect until 700 PM CDT for central and
south central Mississippi.

LAT...LON 3172 9024 3172 9023 3173 9019 3175 9016
      3175 9015 3171 9012 3170 9011 3163 9024
TIME...MOT...LOC 1836Z 222DEG 26KT 3170 9021 

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 7:01 PM CDTTornado WarningJANCopiah, Lawrence, Simpson31 min
Mar 16, 7:02 PM CDTSevere Thunderstorm WarningJANAttala36 min
Mar 16, 7:32 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Simpson58 min
Mar 16, 7:33 PM CDTSpecial Weather StatementJANChoctaw27 min
Mar 16, 8:29 PM CDTSpecial Weather StatementJANSimpson46 min
Mar 16, 8:49 PM CDTSpecial Weather StatementJANKemper, Newton56 min
Mar 16, 9:50 PM CDTSpecial Weather StatementJANLauderdale25 min
Mar 17, 6:05 AM CDTTornado WarningJANBolivar40 min
Mar 17, 6:44 AM CDTTornado WarningJANBolivar19 min
Mar 17, 11:37 AM CDTSpecial Weather StatementJANJones38 min
Mar 17, 12:07 PM CDTTornado Warning Tornado observedJANClarke53 min
Mar 17, 12:22 PM CDTTornado WarningJANClarke, Lauderdale54 min
Mar 17, 1:00 PM CDTSevere Thunderstorm WarningJANKemper, Lauderdale, Noxubee45 min
Mar 17, 1:28 PM CDTTornado WarningJANJones15 min
Mar 17, 1:45 PM CDTTornado WarningJANJones21 min
Mar 17, 3:33 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence42 min
Mar 17, 4:10 PM CDTTornado WarningJANAdams, Franklin50 min
Mar 17, 4:34 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Hinds, Jefferson, Warren56 min
Mar 17, 4:45 PM CDTSevere Thunderstorm WarningJANBolivar, Washington60 min
Mar 17, 4:52 PM CDTTornado WarningJANCopiah, Jefferson, Lincoln37 min
Mar 17, 4:56 PM CDTTornado WarningJANBolivar, Washington29 min
Mar 17, 5:15 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Yazoo64 min
Mar 17, 5:20 PM CDTTornado WarningJANJasper, Smith55 min
Mar 17, 5:45 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Marion34 min
Mar 17, 5:55 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Holmes, Leake, Montgomery, Neshoba and 2 more65 min
Mar 17, 6:05 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba, Newton, Scott55 min
Mar 17, 6:12 PM CDTSevere Thunderstorm WarningJANCovington, Simpson, Smith48 min
Mar 17, 6:13 PM CDTSevere Thunderstorm WarningJANForrest, Lamar47 min
Mar 17, 6:28 PM CDTSevere Thunderstorm WarningJANJasper, Jones48 min
Mar 17, 6:42 PM CDTSevere Thunderstorm WarningJANChoctaw, Clay, Kemper, Lowndes, Neshoba, Noxubee and 3 more76 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.