Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 156, NWS Jackson, MS

May 4, 2021Lauderdale County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 4, 2021, 3:36 PM CDT for Lauderdale County, Mississippi. It was in force for 54 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, 3:36 PM CDT (20:36 UTC)
Expired
May 4, 2021, 4:30 PM CDT
In force
54 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Lauderdale County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 129 km from the middle of the area, began a volume at 20:38 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, 3:50 PM CDTTSTM WND DMG2 Ese Collinsville, MSUSACE MEMBER REPORTS NUMEROUS PINE TREES SNAPPED. PHOTOS RELAYED TO NWS VIA EMAIL.
May 4, 3:57 PM CDTTSTM WND DMGMeridian, MSTREES AND POWER LINES DOWNED ACROSS THE COUNTY. SEVERAL HOMES WITH TREES ON THEM.
May 4, 3:58 PM CDTTSTM WND DMG2 E Meridian, MSREPORT FROM MPING: WIND DAMAGE SIMILAR TO TREES UPROOTED OR SNAPPED OR A ROOF BLOWN OFF. TIME CORRECTED TO RADAR.
May 4, 3:58 PM CDTTSTM WND DMG2 Ne Lost Gap, MSPART OF A ROOF BLOWN OFF AN APT COMPLEX. WIDESPREAD DOWNED TREES AND POWER LINES IN THE COUNTY. ROUGHLY 50 HOMES DAMAGED BY TREES ON THEM IN THE COUNTY.
May 4, 3:58 PM CDTTSTM WND DMG2 Nw Alamucha, MSSEVERAL TREES DOWN ALONG SAM HURT ROAD.
May 4, 3:59 PM CDTTSTM WND DMG1 Ene Bailey, MSSOCIAL MEDIA PICTURE OF A TREE ACROSS POWER LINES BLOCKING DOGWOOD LAKE RD.
May 4, 3:59 PM CDTTSTM WND GST 612 Se Lost Gap, MSLASTED 4 MINUTES UNTIL 4:03 PM.
May 4, 3:59 PM CDTTSTM WND GST 61Key Field, MSCORRECTS PREVIOUS TSTM WND GST REPORT FROM 2 SE LOST GAP. PEAK GUST MEASURED OUT OF THE WEST. LASTED 4 MINUTES UNTIL 4:03 PM.
May 4, 4:00 PM CDTTSTM WND GST 801 Wsw Marion, MSA CORRIDOR OF STRAIGHT LINE WIND GUSTS UP TO 80 MPH OCCURRED IN THE VICINITY OF LINDLEY RD AND NEWELL RD, RESULTING IN CONCENTRATED DAMAGE TO LARGE TREES IN A PORTION OF THIS AREA. SURVEY TEAMS ALSO ASSESSED STRAIGHT LINE WIND DAMAGE IN THE SUQUALENA, COLLINSV
May 4, 4:03 PM CDTTSTM WND DMG1 S Russell, MSTREES DOWNED IN THE WESTBOUND LANES OF I-20/59 NEAR MILE MARKER 159.
May 4, 4:04 PM CDTTSTM WND DMGRussell, MSNUMEROUS TREES AND LINES DOWN IN THE RUSSEL AREA.
May 4, 4:07 PM CDTTSTM WND GST 65Nas Meridian, MSPEAK GUST AT ASOS SITE KNMM. MEASURED OUT OF THE WEST-NORTHWEST. PEAK SUSTAINED WIND WAS 54 MPH AT THE SAME TIME.
May 4, 4:08 PM CDTTORNADO1 Sw Toomsuba, MSTHIS TORNADO BEGAN ALONG I-20/59 JUST WEST OF THE TOOMSUBA EXIT, DOWNING LARGE TREE BRANCHES AND UPROOTING OR SNAPPING A FEW TREES AS IT CROSSED THE INTERSTATE AND THEN WILL GARRETT ROAD. IT THEN CONTINUED ACROSS MELVIN SWAIN ROAD AND US 11/80, WHERE THE PERCE

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
May 4, 3:31 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.6 hours before the alert went out and 138 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.

222 
WUUS54 KJAN 042036
SVRJAN
MSC075-042130-
/O.NEW.KJAN.SV.W.0156.210504T2036Z-210504T2130Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Lauderdale County in east central Mississippi...

* Until 430 PM CDT.

* At 336 PM CDT, a severe thunderstorm was located near Decatur, or
  10 miles northeast of Newton, moving east at 70 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Suqualena and Meehan around 345 PM CDT.
  Meridian and Nellieburg around 350 PM CDT.
  Marion and Zero around 355 PM CDT.
  Toomsuba around 400 PM CDT.
  Kewanee and Alamucha around 405 PM CDT.

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 east central
Mississippi.

LAT...LON 3223 8843 3222 8891 3258 8891 3258 8839
TIME...MOT...LOC 2036Z 272DEG 62KT 3241 8902 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

CME
3 follow-up statements
655 
WWUS54 KJAN 042045
SVSJAN

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

MSC075-042130-
/O.CON.KJAN.SV.W.0156.000000T0000Z-210504T2130Z/
Lauderdale MS-
345 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR LAUDERDALE COUNTY...

At 345 PM CDT, a severe thunderstorm was located over Nellieburg, or
near Meridian, moving east at 70 mph.

This is a very dangerous storm.

HAZARD...80 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

This severe storm will be near...
  Meridian around 350 PM CDT.
  Marion and Zero around 355 PM CDT.
  Toomsuba around 400 PM CDT.
  Kewanee and Alamucha around 405 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.

&&

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

LAT...LON 3223 8843 3222 8891 3258 8891 3258 8839
TIME...MOT...LOC 2045Z 272DEG 62KT 3240 8882 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...80MPH
 
$$

CME
468 
WWUS54 KJAN 042108
SVSJAN

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

MSC075-042130-
/O.CON.KJAN.SV.W.0156.000000T0000Z-210504T2130Z/
Lauderdale MS-
408 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR LAUDERDALE COUNTY...

At 408 PM CDT, a severe thunderstorm was located over Toomsuba, or 8
miles west of Cuba, moving east at 65 mph.

This is a very dangerous storm.

HAZARD...80 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

This severe thunderstorm will remain over mainly rural areas of
Lauderdale County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.

&&

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

LAT...LON 3222 8883 3258 8870 3258 8839 3223 8843
TIME...MOT...LOC 2108Z 270DEG 54KT 3240 8851 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...80MPH
 
$$

CME
942 
WWUS54 KJAN 042122
SVSJAN

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

MSC075-042132-
/O.EXP.KJAN.SV.W.0156.000000T0000Z-210504T2130Z/
Lauderdale MS-
422 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR LAUDERDALE COUNTY WILL EXPIRE
AT 430 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 1000 PM CDT for east central
Mississippi.

LAT...LON 3222 8883 3258 8870 3258 8839 3223 8843
TIME...MOT...LOC 2122Z 272DEG 62KT 3239 8825 

$$

CME

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, 3:09 PM CDTSevere Thunderstorm WarningJANJasper, Newton, Scott, Simpson, Smith81 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, 3:38 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.