Alert archive / Mississippi / Tornado Warnings in 2020

Tornado Warning 34, NWS Jackson, MS

April 12, 2020Jefferson Davis County, Lawrence County, Marion County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 12, 2020, 4:28 PM CDT for Jefferson Davis County, Lawrence County, Marion County, Mississippi. It was in force for 47 min. 3 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
Apr 12, 2020, 4:28 PM CDT (21:28 UTC)
Expired
Apr 12, 2020, 5:15 PM CDT
In force
47 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Emergency
Tornado emergency
Tornado
Radar indicated
Hail
0.75 in

Counties Jefferson Davis County, MS, Lawrence County, MS, Marion County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 91 km from the middle of the area, began a volume at 21:32 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
Apr 12, 4:45 PM CDTTORNADO1 Nnw Oak Vale, MSSEVERAL TREES DOWN AND DAMAGE TO SHED IN THE BACKYARD OF A HOME IN OAKVALE JUST OFF HIGHWAY 43.
Apr 12, 4:57 PM CDTTORNADO1 Sse Prentiss, MSTREES DOWN ON BUS.
Apr 12, 5:03 PM CDTTORNADO4 Ssw Lone Star, MSLOTS OF TREE DAMAGE ON GRANBY RD AND HOMES DAMAGED.

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
Apr 12, 1:24 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.5 hours before the alert went out and 96 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 2020-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 323 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 2020-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 379 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
323 J/kg
Mixed-layer CIN
-279 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
379 m²/s²
0-3 km storm-relative helicity
562 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

346 
WFUS54 KJAN 122128
TORJAN
MSC065-077-091-122215-
/O.NEW.KJAN.TO.W.0034.200412T2128Z-200412T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
428 PM CDT Sun Apr 12 2020

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northwestern Marion County in south central Mississippi...
  Southern Lawrence County in south central Mississippi...
  Jefferson Davis County in south central Mississippi...

* Until 515 PM CDT.
    
* At 428 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Jayess, or 14 miles northwest of Kokomo, moving
  northeast at 50 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...
  Tilton and Robinwood around 440 PM CDT.
  Oak Vale and Arm around 445 PM CDT.
  Progress and Society Hill around 450 PM CDT.
  Prentiss and Carson around 500 PM CDT.
  Clem around 510 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Bassfield.

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 3134 9004 3133 9008 3135 9011 3135 9024
      3141 9024 3177 8976 3161 8975 3161 8974
      3159 8971 3154 8962 3130 9004
TIME...MOT...LOC 2128Z 232DEG 45KT 3134 9018 

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

$$

GRG
4 follow-up statements
939 
WWUS54 KJAN 122140
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
440 PM CDT Sun Apr 12 2020

MSC091-122149-
/O.CAN.KJAN.TO.W.0034.000000T0000Z-200412T2215Z/
Marion MS-
440 PM CDT Sun Apr 12 2020

...THE TORNADO WARNING FOR NORTHWESTERN MARION 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 800 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3177 8976 3161 8975 3154 8962 3144 8980
      3144 8982 3142 8983 3142 8984 3139 8990
      3139 9011 3145 9019
TIME...MOT...LOC 2139Z 231DEG 45KT 3142 9006 

$$

MSC065-077-122215-
/O.CON.KJAN.TO.W.0034.000000T0000Z-200412T2215Z/
Lawrence MS-Jefferson Davis MS-
440 PM CDT Sun Apr 12 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTHERN
LAWRENCE AND JEFFERSON DAVIS COUNTIES...
        
At 439 PM CDT, a confirmed large and extremely dangerous tornado was
located over Tilton, or 15 miles north of Kokomo, moving northeast at
50 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

The tornado will be near...
  Oak Vale and Arm around 445 PM CDT.
  Progress and Society Hill around 450 PM CDT.
  Prentiss and Carson around 500 PM CDT.
  Clem around 510 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Bassfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3177 8976 3161 8975 3154 8962 3144 8980
      3144 8982 3142 8983 3142 8984 3139 8990
      3139 9011 3145 9019
TIME...MOT...LOC 2139Z 231DEG 45KT 3142 9006 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

TW
896 
WWUS54 KJAN 122151
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
451 PM CDT Sun Apr 12 2020

MSC077-122200-
/O.CAN.KJAN.TO.W.0034.000000T0000Z-200412T2215Z/
Lawrence MS-
451 PM CDT Sun Apr 12 2020

...THE TORNADO WARNING FOR SOUTHERN LAWRENCE 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 800 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3152 8996 3152 8998 3161 8997 3177 8976
      3162 8976 3157 8968 3144 8989 3144 8996
TIME...MOT...LOC 2150Z 230DEG 45KT 3149 8994 

$$

MSC065-122215-
/O.CON.KJAN.TO.W.0034.000000T0000Z-200412T2215Z/
Jefferson Davis MS-
451 PM CDT Sun Apr 12 2020

...TORNADO EMERGENCY FOR LOCATIONS IN THE WARNED AREA...

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR WESTERN
JEFFERSON DAVIS COUNTY...
        
At 450 PM CDT, a confirmed large and destructive tornado was located
over Progress, or 17 miles north of Columbia, moving northeast at 50
mph.

TORNADO EMERGENCY for locations in the warned area. This is a 
PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Deadly tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

The tornado will be near...
  Prentiss and Carson around 500 PM CDT.
  Clem around 510 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3152 8996 3152 8998 3161 8997 3177 8976
      3162 8976 3157 8968 3144 8989 3144 8996
TIME...MOT...LOC 2150Z 230DEG 45KT 3149 8994 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN

$$

TW
313 
WWUS54 KJAN 122159
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
459 PM CDT Sun Apr 12 2020

MSC065-122215-
/O.CON.KJAN.TO.W.0034.000000T0000Z-200412T2215Z/
Jefferson Davis MS-
459 PM CDT Sun Apr 12 2020

...TORNADO EMERGENCY FOR LOCATIONS IN THE WARNED AREA...

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR CENTRAL
JEFFERSON DAVIS COUNTY...
        
At 459 PM CDT, a confirmed large and destructive tornado was located
over Carson, or 16 miles west of Collins, moving northeast at 55 mph.

TORNADO EMERGENCY for locations in the warned area. This is a 
PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Deadly tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

This tornadic thunderstorm will remain over mainly rural areas of
central Jefferson Davis County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3161 8997 3177 8976 3162 8976 3157 8968
      3149 8980
TIME...MOT...LOC 2159Z 238DEG 46KT 3155 8982 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN

$$

TW
712 
WWUS54 KJAN 122208 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
508 PM CDT Sun Apr 12 2020

MSC065-122218-
/O.EXP.KJAN.TO.W.0034.000000T0000Z-200412T2215Z/
Jefferson Davis MS-
508 PM CDT Sun Apr 12 2020

...THE TORNADO WARNING FOR CENTRAL JEFFERSON DAVIS COUNTY WILL EXPIRE
AT 515 PM CDT...
        
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 800 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3161 8997 3177 8976 3162 8976 3157 8968
      3149 8980
TIME...MOT...LOC 2208Z 232DEG 45KT 3162 8972 

$$

TW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:22 AM CDTSevere Thunderstorm WarningJANBolivar38 min
Apr 12, 8:51 AM CDTSpecial Weather StatementJANYazoo39 min
Apr 12, 9:46 AM CDTSpecial Weather StatementJANHolmes, Humphreys44 min
Apr 12, 9:50 AM CDTSpecial Weather StatementJANAttala40 min
Apr 12, 10:46 AM CDTSpecial Weather StatementJANNoxubee29 min
Apr 12, 10:50 AM CDTSevere Thunderstorm WarningJANLowndes, Noxubee29 min
Apr 12, 12:16 PM CDTTornado Warning Tornado observedJANIssaquena, Sharkey59 min
Apr 12, 12:21 PM CDTSevere Thunderstorm WarningJANIssaquena, Warren54 min
Apr 12, 12:26 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Washington37 min
Apr 12, 12:35 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Leake, Madison, Yazoo40 min
Apr 12, 1:05 PM CDTTornado WarningJANHumphreys, Yazoo55 min
Apr 12, 1:06 PM CDTSevere Thunderstorm WarningJANLeake, Madison, Neshoba, Scott, Winston39 min
Apr 12, 1:39 PM CDTSpecial Weather StatementJANWinston51 min
Apr 12, 1:40 PM CDTTornado WarningJANAttala, Holmes65 min
Apr 12, 1:48 PM CDTSpecial Weather StatementJANWinston42 min
Apr 12, 2:27 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Winston48 min
Apr 12, 2:51 PM CDTTornado Warning Tornado observedJANChoctaw, Noxubee, Oktibbeha, Winston54 min
Apr 12, 2:54 PM CDTSevere Thunderstorm WarningJANLeake, Madison54 min
Apr 12, 2:56 PM CDTSpecial Weather StatementJANHinds34 min
Apr 12, 2:58 PM CDTTornado WarningJANWinston26 min
Apr 12, 3:04 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin41 min
Apr 12, 3:14 PM CDTTornado WarningJANNoxubee45 min
Apr 12, 3:17 PM CDTSevere Thunderstorm WarningJANClay, Lowndes, Oktibbeha43 min
Apr 12, 3:27 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Yazoo20 min
Apr 12, 3:29 PM CDTTornado WarningJANLowndes31 min
Apr 12, 3:39 PM CDTTornado Warning EmergencyJANCovington, Jefferson Davis, Lamar, Lawrence, Marion66 min
Apr 12, 3:45 PM CDTFlash Flood WarningJANAttala, Choctaw, Leake, Neshoba, Noxubee, Winston4 hr
Apr 12, 4:10 PM CDTSevere Thunderstorm WarningJANNoxubee35 min
Apr 12, 4:25 PM CDTSevere Thunderstorm WarningJANRankin, Scott, Simpson, Smith50 min
Apr 12, 4:28 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatJANJasper, Jones62 min
Apr 12, 4:49 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren41 min
Apr 12, 5:01 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatJANCovington, Jasper, Jones, Smith59 min
Apr 12, 5:04 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba, Winston29 min
Apr 12, 5:06 PM CDTTornado WarningJANLowndes, Noxubee, Oktibbeha, Winston38 min
Apr 12, 5:06 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatJANClarke, Jasper31 min
Apr 12, 5:19 PM CDTSevere Thunderstorm WarningJANHumphreys, Issaquena, Sharkey, Sunflower, Washington41 min
Apr 12, 5:21 PM CDTSevere Thunderstorm WarningJANHinds, Humphreys, Issaquena, Sharkey, Warren, Yazoo39 min
Apr 12, 5:40 PM CDTFlash Flood Warning Considerable damage threatJANChoctaw, Clay, Lowndes, Oktibbeha, Webster, Winston4 hr
Apr 12, 5:44 PM CDTTornado WarningJANClarke, Jasper35 min
Apr 12, 5:45 PM CDTTornado Warning Tornado observedJANKemper, Lauderdale31 min
Apr 12, 5:56 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Madison, Yazoo44 min
Apr 12, 5:58 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes, Humphreys, Leflore47 min
Apr 12, 6:00 PM CDTSevere Thunderstorm WarningJANSmith17 min
Apr 12, 6:17 PM CDTSevere Thunderstorm WarningJANSimpson, Smith43 min
Apr 12, 6:21 PM CDTFlash Flood WarningJANLauderdale114 min
Apr 12, 6:39 PM CDTSevere Thunderstorm WarningJANAttala, Carroll, Choctaw, Grenada, Montgomery, Webster51 min
Apr 12, 6:55 PM CDTSevere Thunderstorm WarningJANKemper, Lauderdale65 min

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.