Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 154, NWS Jackson, MS

May 4, 20215 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 4, 2021, 3:09 PM CDT for 5 counties in Mississippi. It was in force for 81 min. 13 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
May 4, 2021, 3:09 PM CDT (20:09 UTC)
Expired
May 4, 2021, 4:30 PM CDT
In force
81 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.88 in
Wind
70.0 mph

Counties Jasper County, MS, Newton County, MS, Scott County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 57 km from the middle of the area, began a volume at 20:11 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
May 4, 3:15 PM CDTHAIL 0.251 Wsw Shady Grove, MSPEA SIZE HAIL FELL BUT THERE WAS NO ACCUMULATION.
May 4, 3:29 PM CDTTSTM WND DMGLorena, MSTIN OFF OF BUILDINGS AROUND MS HIGHWAY 35 AND MS HIGHWAY 902.
May 4, 3:30 PM CDTTSTM WND DMG3 Nne Lucern, MSNUMEROUS TREES DOWN ALONG HIGHWAY 492. POWER WAS OUT ACROSS NORTHERN NEWTON COUNTY. POWER WAS OUT IN UNION AND SURROUNDING AREAS.
May 4, 3:34 PM CDTTSTM WND DMGUnion, MSSOCIAL MEDIA PICTURE OF A SHED DESTROYED IN UNION.
May 4, 3:35 PM CDTTSTM WND DMG2 N Decatur, MSMULTIPLE TREES DOWN ALONG HIGHWAY 15. POWER WAS OUT IN DECATUR AND SURROUNDING AREAS.
May 4, 3:37 PM CDTTSTM WND DMG2 Ne Newton, MSCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 NE NEWTON. NUMEROUS TREES WERE DOWN. GLASS WAS BLOWN OUT OF A BUILDING. POWER WAS OUT IN NEWTON AND SURROUNDING AREAS. TIME ESTIMATED FROM RADAR.
May 4, 3:42 PM CDTTSTM WND DMGHickory, MSSOCIAL MEDIA PICTURE OF TREES AND POWER LINES DOWNED IN HICKORY.
May 4, 3:43 PM CDTTORNADO3 Sw Duffee, MSTHIS TORNADO BEGAN ALONG HOPEWELL ROAD THEN TRACKED NORTHEASTWARD ALONG E L JOHNSON ROAD AND ACROSS CHUNKY DUFFEE ROAD JUST SOUTH OF THE DUFFEE COMMUNITY. IT CROSSED INTO NORTHWESTERN LAUDERDALE COUNTY AND ENDED NEAR MS HIGHWAY 494. ALONG THE PATH, SEVERAL TRE
May 4, 3:45 PM CDTTSTM WND DMG5 N Chunky, MSTREES WERE DOWN ALONG CHUNKY-DUFFEE ROAD.
May 4, 3:48 PM CDTTSTM WND DMG3 Nne Bay Springs, MSA HOUSE WAS DAMAGED ON CR 1529.
May 4, 3:50 PM CDTTSTM WND DMG1 Ssw Bay Springs, MSTREE DOWNED ON BAY AVE.
May 4, 3:50 PM CDTTSTM WND DMGBay Springs, MSTREE DOWNED ON E 2ND AVE.
May 4, 3:56 PM CDTTSTM WND DMG3 Ese Antioch, MSTREES DOWNED ON CR 16.

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
May 4, 9:18 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.2 hours before the alert went out and 67 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 2021-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2428 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 2021-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 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
2428 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
2.8
Supercell composite
13.2

Open this sounding in Storm Lab

The text

As transmitted.

083 
WUUS54 KJAN 042009 RRA
SVRJAN
MSC061-101-123-127-129-042130-
/O.NEW.KJAN.SV.W.0154.210504T2009Z-210504T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
309 PM CDT Tue May 4 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Jasper County in east central Mississippi...
  Newton County in east central Mississippi...
  Eastern Simpson County in central Mississippi...
  Smith County in central Mississippi...
  Scott County in central Mississippi...

* Until 430 PM CDT.

* At 309 PM CDT, severe thunderstorms were located along a line
  extending from near Ludlow to 6 miles southwest of Pelahatchie to
  Harrisville, moving east at 60 mph.

  HAZARD...70 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Severe thunderstorms will be near...
  Harperville and Hillsboro around 320 PM CDT.
  Steele and Pulaski around 325 PM CDT.
  Homewood and Burns around 330 PM CDT.
  Prospect, Conehatta and Pineville around 335 PM CDT.
  Lawrence, Decatur, Raleigh, Roberts and Stratton around 345 PM 
  CDT.
  Little Rock and Center Ridge around 350 PM CDT.
  Duffee and Garlandville around 355 PM CDT.
  Stringer, Bay Springs and Rose Hill around 400 PM CDT.

Other locations impacted by these severe thunderstorms include
Sylvarena, Mize, Sebastopol, Louin, Chunky, Lake, Montrose and
Hickory.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 400 PM CDT for central and
east central Mississippi.

LAT...LON 3178 8976 3194 8969 3258 8955 3258 8892
      3183 8891
TIME...MOT...LOC 2009Z 271DEG 51KT 3253 8968 3223 8985 3198 9011 

HAIL...0.88IN
WIND...70MPH
 
$$

TW
4 follow-up statements
514 
WWUS54 KJAN 042042
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
342 PM CDT Tue May 4 2021

MSC061-101-123-127-129-042130-
/O.CON.KJAN.SV.W.0154.000000T0000Z-210504T2130Z/
Jasper MS-Newton MS-Simpson MS-Smith MS-Scott MS-
342 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR JASPER...NEWTON...SOUTHEASTERN SIMPSON...SMITH AND SOUTHEASTERN
SCOTT COUNTIES...

At 342 PM CDT, severe thunderstorms were located along a line
extending from near Duffee to 6 miles southwest of Garlandville to 6
miles northeast of Mount Olive, moving east at 75 mph.

HAZARD...70 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe storms will be near...
  Duffee, Garlandville and Little Rock around 345 PM CDT.
  Rose Hill and Paulding around 350 PM CDT.
  Orange around 355 PM CDT.
  Stringer around 400 PM CDT.
  Moss around 405 PM CDT.

Other locations impacted by these severe thunderstorms include
Sylvarena, Mize, Louin, Chunky, Lake, Montrose and Hickory.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Mississippi.

LAT...LON 3195 8969 3258 8926 3258 8892 3183 8891
      3178 8976 3194 8969
TIME...MOT...LOC 2042Z 278DEG 65KT 3244 8901 3214 8918 3185 8961 

HAIL...0.88IN
WIND...70MPH
 
$$

TW
507 
WWUS54 KJAN 042057
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
357 PM CDT Tue May 4 2021

MSC123-127-042107-
/O.CAN.KJAN.SV.W.0154.000000T0000Z-210504T2130Z/
Simpson MS-Scott MS-
357 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SIMPSON AND
SOUTHEASTERN SCOTT COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Mississippi.

LAT...LON 3183 8891 3179 8965 3186 8965 3234 8905
      3258 8892
TIME...MOT...LOC 2057Z 271DEG 51KT 3244 8878 3214 8895 3185 8938 

$$

MSC061-101-129-042130-
/O.CON.KJAN.SV.W.0154.000000T0000Z-210504T2130Z/
Jasper MS-Newton MS-Smith MS-
357 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR JASPER...EASTERN NEWTON AND SOUTHEASTERN SMITH COUNTIES...

At 357 PM CDT, severe thunderstorms were located along a line
extending from near Suqualena to near Rose Hill to near Taylorsville,
moving east at 60 mph.

HAZARD...70 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe storms will be near...
  Orange around 400 PM CDT.
  Moss and Vernon around 410 PM CDT.
  Heidelberg around 420 PM CDT.
  Stafford Springs around 425 PM CDT.

Other locations impacted by these severe thunderstorms include
Sylvarena, Chunky, Mize, Montrose, Louin and Hickory.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Mississippi.

LAT...LON 3183 8891 3179 8965 3186 8965 3234 8905
      3258 8892
TIME...MOT...LOC 2057Z 271DEG 51KT 3244 8878 3214 8895 3185 8938 

HAIL...0.88IN
WIND...70MPH
 
$$

TW
702 
WWUS54 KJAN 042107
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
407 PM CDT Tue May 4 2021

MSC101-042116-
/O.CAN.KJAN.SV.W.0154.000000T0000Z-210504T2130Z/
Newton MS-
407 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NEWTON COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Mississippi.

LAT...LON 3183 8891 3179 8965 3217 8891
TIME...MOT...LOC 2106Z 277DEG 51KT 3233 8861 3203 8883 3177 8928 

$$

MSC061-129-042130-
/O.CON.KJAN.SV.W.0154.000000T0000Z-210504T2130Z/
Jasper MS-Smith MS-
407 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHERN JASPER AND SOUTHEASTERN SMITH COUNTIES...

At 406 PM CDT, severe thunderstorms were located along a line
extending from near Zero to near Barnett to 6 miles southwest of
Moss, moving east at 60 mph.

HAZARD...70 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe thunderstorms will remain over mainly rural areas of
southern Jasper and southeastern Smith Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Mississippi.

LAT...LON 3183 8891 3179 8965 3217 8891
TIME...MOT...LOC 2106Z 277DEG 51KT 3233 8861 3203 8883 3177 8928 

HAIL...0.88IN
WIND...70MPH
 
$$

TW
426 
WWUS54 KJAN 042123 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
423 PM CDT Tue May 4 2021

MSC061-129-042133-
/O.EXP.KJAN.SV.W.0154.000000T0000Z-210504T2130Z/
Jasper MS-Smith MS-
423 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN JASPER AND
SOUTHEASTERN SMITH COUNTIES WILL EXPIRE AT 430 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Mississippi.

LAT...LON 3183 8891 3179 8965 3217 8891
TIME...MOT...LOC 2123Z 271DEG 51KT 3233 8835 3203 8857 3177 8902 

$$

TW

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 3:50 AM CDTFlash Flood WatchJANClarke, Copiah, Covington, Forrest, Franklin, Hinds and 13 more18 hr
May 4, 7:28 AM CDTSpecial Weather StatementJANClay32 min
May 4, 7:58 AM CDTSevere Thunderstorm WarningJANCopiah, Hinds, Rankin, Simpson62 min
May 4, 8:19 AM CDTTornado WarningJANCopiah, Rankin, Simpson56 min
May 4, 9:06 AM CDTTornado WarningJANRankin, Simpson54 min
May 4, 9:29 AM CDTSpecial Weather StatementJANClay46 min
May 4, 9:48 AM CDTSpecial Weather StatementJANGrenada27 min
May 4, 9:49 AM CDTSpecial Weather StatementJANScott26 min
May 4, 9:55 AM CDTSpecial Weather StatementJANChoctaw35 min
May 4, 10:02 AM CDTSevere Thunderstorm WarningJANChoctaw, Oktibbeha43 min
May 4, 10:11 AM CDTSpecial Weather StatementJANLowndes34 min
May 4, 10:15 AM CDTFlash Flood WarningJANClay, Webster2 hr
May 4, 10:59 AM CDTSpecial Weather StatementJANClay31 min
May 4, 11:25 AM CDTSpecial Weather StatementJANLowndes20 min
May 4, 12:01 PM CDTSpecial Weather StatementJANMadison44 min
May 4, 12:07 PM CDTSevere Thunderstorm WarningJANMadison, Rankin38 min
May 4, 12:18 PM CDTSevere Thunderstorm WarningJANBolivar, Washington72 min
May 4, 12:30 PM CDTSevere Thunderstorm WarningJANIssaquena, Washington75 min
May 4, 12:40 PM CDTSevere Thunderstorm WarningJANLeake, Madison50 min
May 4, 12:42 PM CDTSpecial Weather StatementJANCopiah48 min
May 4, 12:43 PM CDTSpecial Weather StatementJANMadison47 min
May 4, 12:46 PM CDTSevere Thunderstorm WarningJANMadison, Yazoo44 min
May 4, 12:47 PM CDTSevere Thunderstorm WarningJANCopiah43 min
May 4, 12:57 PM CDTSevere Thunderstorm WarningJANIssaquena76 min
May 4, 1:10 PM CDTSevere Thunderstorm WarningJANLeake50 min
May 4, 1:16 PM CDTSpecial Weather StatementJANGrenada29 min
May 4, 1:19 PM CDTSevere Thunderstorm WarningJANLeflore, Sunflower59 min
May 4, 1:19 PM CDTSevere Thunderstorm WarningJANRankin, Scott, Smith41 min
May 4, 1:22 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo71 min
May 4, 1:28 PM CDTSpecial Weather StatementJANAttala47 min
May 4, 1:31 PM CDTSevere Thunderstorm WarningJANRankin, Simpson44 min
May 4, 1:37 PM CDTSpecial Weather StatementJANCarroll, Montgomery23 min
May 4, 1:37 PM CDTSevere Thunderstorm WarningJANHinds, Issaquena, Warren, Yazoo53 min
May 4, 1:44 PM CDTSevere Thunderstorm WarningJANCarroll, Grenada, Montgomery75 min
May 4, 1:52 PM CDTTornado WarningJANRankin, Scott, Smith23 min
May 4, 1:57 PM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Copiah, Franklin, Hinds, Jefferson and 1 more78 min
May 4, 2:00 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba45 min
May 4, 2:09 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Leake, Madison, Rankin, Scott and 1 more66 min
May 4, 2:12 PM CDTSevere Thunderstorm WarningJANCopiah, Hinds, Madison, Rankin, Scott, Simpson and 1 more93 min
May 4, 2:12 PM CDTSevere Thunderstorm WarningJANAttala, Carroll, Choctaw, Holmes, Montgomery63 min
May 4, 2:18 PM CDTSpecial Weather StatementJANClay27 min
May 4, 2:22 PM CDTTornado WarningJANAttala, Holmes, Madison, Yazoo20 min
May 4, 2:29 PM CDTSpecial Weather StatementJANWinston46 min
May 4, 2:29 PM CDTSevere Thunderstorm WarningJANWebster61 min
May 4, 2:30 PM CDTSevere Thunderstorm WarningJANWebster60 min
May 4, 2:33 PM CDTSevere Thunderstorm WarningJANWinston42 min
May 4, 2:35 PM CDTTornado Warning Tornado observedJANHinds, Madison, Rankin25 min
May 4, 2:40 PM CDTSevere Thunderstorm WarningJANCopiah, Franklin, Jefferson Davis, Lawrence, Lincoln, Simpson80 min
May 4, 2:44 PM CDTSevere Thunderstorm WarningJANNewton, Scott, Smith46 min
May 4, 2:53 PM CDTTornado Warning Tornado observedJANRankin, Scott, Smith18 min
May 4, 3:02 PM CDTSevere Thunderstorm WarningJANNoxubee28 min
May 4, 3:03 PM CDTSevere Thunderstorm WarningJANChoctaw, Oktibbeha, Winston57 min
May 4, 3:08 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba52 min
May 4, 3:09 PM CDTSevere Thunderstorm WarningJANJasper, Smith51 min
May 4, 3:18 PM CDTSevere Thunderstorm WarningJANKemper, Noxubee42 min
May 4, 3:20 PM CDTTornado Warning Tornado observedJANLeake, Neshoba, Newton, Scott40 min
May 4, 3:32 PM CDTTornado WarningJANClarke, Jasper29 min
May 4, 3:36 PM CDTSevere Thunderstorm WarningJANLauderdale54 min
May 4, 3:38 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Jones, Lamar, Lawrence, Lincoln and 1 more82 min
May 4, 3:49 PM CDTSevere Thunderstorm WarningJANLowndes, Noxubee29 min
May 4, 3:50 PM CDTSevere Thunderstorm WarningJANClarke55 min
May 4, 3:51 PM CDTAreal Flood WarningJANWashington6 hr
May 4, 3:58 PM CDTSevere Thunderstorm WarningJANKemper32 min
May 4, 4:26 PM CDTSevere Thunderstorm WarningJANForrest, Jones, Lamar, Marion94 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning 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.