Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 3, NWS Jackson, MS

March 16, 2021Copiah County, Lawrence County, Simpson County, Mississippi

NWS Jackson, MS issued this tornado warning at Mar 16, 2021, 7:01 PM CDT for Copiah County, Lawrence County, Simpson County, Mississippi. It was in force for 31 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 16, 2021, 7:01 PM CDT (00:01 UTC)
Expired
Mar 16, 2021, 7:32 PM CDT
In force
31 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

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

The radar

The Jackson/Brandon,MS radar (KDGX), 61 km from the middle of the area, began a volume at 00:02 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 16, 7:03 PM CDTTORNADO4 Ne Beauregard, MSTHIS BRIEF EF1 TORNADO STARTED AT MARTINSVILLE ROAD AND TRACKED ENE FOR ALMOST A MILE. IT ALSO MOVED ALONG A PORTION OF RYAN RD. DAMAGE WAS MAINLY SNAPPED TREES, UPROOTED TREES AND MANY LIMBS BROKEN. SOME POWER LINES WERE DOWN AS WELL. MAX WINDS NEAR 100 MPH A
Mar 16, 7:23 PM CDTHAIL 25 Wsw Georgetown, MSTWO INCH HAIL FELL ALONG HIGHWAY 472 BEFORE ASHLEY ROAD TO THE EAST OF HAZLEHURST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.0 hours before the alert went out and 64 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 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 752 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 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
752 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1068 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

209 
WFUS54 KJAN 170001
TORJAN
MSC029-077-127-170100-
/O.NEW.KJAN.TO.W.0003.210317T0001Z-210317T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
701 PM CDT Tue Mar 16 2021

The National Weather Service in Jackson has issued a

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

* Until 800 PM CDT.
    
* At 701 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Martinsville, or 7 miles south of Hazlehurst,
  moving east at 30 mph.

  HAZARD...Tornado and half dollar 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...
  Rockport and Oma around 725 PM CDT.
  Union around 735 PM CDT.
  Shivers around 745 PM CDT.
  Pinola around 750 PM CDT.

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

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 3171 9044 3185 9046 3192 8994 3176 8993
      3176 8997 3171 8998 3171 9024 3172 9025
      3171 9026
TIME...MOT...LOC 0001Z 265DEG 25KT 3176 9036 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

TW
2 follow-up statements
825 
WWUS54 KJAN 170013
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
713 PM CDT Tue Mar 16 2021

MSC029-077-127-170100-
/O.CON.KJAN.TO.W.0003.000000T0000Z-210317T0100Z/
Simpson MS-Lawrence MS-Copiah MS-
713 PM CDT Tue Mar 16 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHWESTERN SIMPSON...NORTHERN LAWRENCE AND SOUTHEASTERN COPIAH
COUNTIES...
    
At 713 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Rockport, or 10 miles southeast of Hazlehurst,
moving east at 30 mph.

HAZARD...Tornado and half dollar 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...
  Rockport and Oma around 730 PM CDT.
  Union around 740 PM CDT.
  Shivers around 750 PM CDT.
  Pinola around 755 PM CDT.

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

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 3171 9033 3186 9035 3192 8994 3176 8993
      3176 8997 3171 8998 3171 9024 3172 9025
      3171 9026
TIME...MOT...LOC 0013Z 264DEG 25KT 3176 9027 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

TW
523 
WWUS54 KJAN 170032
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
732 PM CDT Tue Mar 16 2021

MSC029-077-127-170042-
/O.CAN.KJAN.TO.W.0003.000000T0000Z-210317T0100Z/
Simpson MS-Lawrence MS-Copiah MS-
732 PM CDT Tue Mar 16 2021

...THE TORNADO WARNING FOR SOUTHWESTERN SIMPSON...NORTHERN LAWRENCE
AND SOUTHEASTERN COPIAH 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.

LAT...LON 3171 9033 3186 9035 3192 8994 3176 8993
      3176 8997 3171 8998 3171 9024 3172 9025
      3171 9026
TIME...MOT...LOC 0031Z 265DEG 25KT 3177 9011 

$$

TW

The office that day

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

IssuedProductOfficeCountiesLasted
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, 12:50 PM CDTTornado WarningJANCopiah, Lawrence, Lincoln55 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.