Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 45, NWS Jackson, MS

March 25, 2021Jefferson Davis County, Lawrence County, Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 25, 2021, 3:16 PM CDT for Jefferson Davis County, Lawrence County, Marion County, Mississippi. It was in force for 44 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 25, 2021, 3:16 PM CDT (20:16 UTC)
Expired
Mar 25, 2021, 4:00 PM CDT
In force
44 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

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

The radar

The Jackson/Brandon,MS radar (KDGX), 94 km from the middle of the area, began a volume at 20:17 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 25, 3:18 PM CDTHAIL 0.71 E Jayess, MS
Mar 25, 3:40 PM CDTHAIL 1Prentiss, MSNICKEL TO QUARTER SIZED HAIL FELL.

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 25, 11:26 AM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.3 hours before the alert went out and 100 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1775 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 352 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
1775 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
352 m²/s²
0-3 km storm-relative helicity
473 m²/s²
Significant tornado parameter
4.6
Supercell composite
21.9

Open this sounding in Storm Lab

The text

As transmitted.

855 
WUUS54 KJAN 252016
SVRJAN
MSC065-077-091-252100-
/O.NEW.KJAN.SV.W.0045.210325T2016Z-210325T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
316 PM CDT Thu Mar 25 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northern Marion County in south central Mississippi...
  Southern Lawrence County in south central Mississippi...
  Jefferson Davis County in south central Mississippi...

* Until 400 PM CDT.

* At 316 PM CDT, a severe thunderstorm was located near Jayess, or 14
  miles northwest of Kokomo, moving northeast at 60 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Topeka around 320 PM CDT.
  Tilton, Oak Vale and Robinwood around 330 PM CDT.
  Arm and Society Hill around 335 PM CDT.
  Progress around 340 PM CDT.
  Prentiss and Carson around 345 PM CDT.
  Clem around 350 PM CDT.

Other locations impacted by this severe thunderstorm include
Bassfield.

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 800 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3134 9004 3133 9008 3135 9011 3135 9024
      3141 9024 3177 8976 3162 8976 3153 8960
      3145 8959 3143 8965 3142 8965 3129 9004
TIME...MOT...LOC 2016Z 231DEG 52KT 3132 9020 

HAIL...1.25IN
WIND...60MPH
 
$$

GRG
3 follow-up statements
654 
WWUS54 KJAN 252027
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
327 PM CDT Thu Mar 25 2021

MSC065-077-091-252100-
/O.CON.KJAN.SV.W.0045.000000T0000Z-210325T2100Z/
Marion MS-Lawrence MS-Jefferson Davis MS-
327 PM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR NORTHERN MARION...SOUTHEASTERN LAWRENCE AND JEFFERSON DAVIS
COUNTIES...

At 327 PM CDT, a severe thunderstorm was located over Tilton, or 16
miles north of Kokomo, moving northeast at 60 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 storm will be near...
  Progress around 335 PM CDT.
  Prentiss and Carson around 345 PM CDT.
  Clem around 350 PM CDT.

Other locations impacted by this severe thunderstorm include
Bassfield.

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 800 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3138 9011 3145 9012 3177 8976 3162 8976
      3153 8960 3145 8959 3143 8965 3142 8965
      3136 9004
TIME...MOT...LOC 2027Z 231DEG 52KT 3143 9005 

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

GRG
075 
WWUS54 KJAN 252042 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
342 PM CDT Thu Mar 25 2021

MSC077-091-252052-
/O.CAN.KJAN.SV.W.0045.000000T0000Z-210325T2100Z/
Marion MS-Lawrence MS-
342 PM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MARION AND
SOUTHEASTERN LAWRENCE COUNTIES IS CANCELLED...
    
The severe 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 8989 3158 8994 3177 8976 3162 8976
      3161 8975 3160 8973
TIME...MOT...LOC 2042Z 231DEG 52KT 3157 8985 

$$

MSC065-252100-
/O.CON.KJAN.SV.W.0045.000000T0000Z-210325T2100Z/
Jefferson Davis MS-
342 PM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR CENTRAL JEFFERSON DAVIS COUNTY...

At 342 PM CDT, a severe thunderstorm was located over Prentiss, or 17
miles west of Collins, moving northeast at 60 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 storm will be near...
  Clem around 350 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 800 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3152 8989 3158 8994 3177 8976 3162 8976
      3161 8975 3160 8973
TIME...MOT...LOC 2042Z 231DEG 52KT 3157 8985 

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

GRG
523 
WWUS54 KJAN 252051 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
351 PM CDT Thu Mar 25 2021

MSC065-252101-
/O.EXP.KJAN.SV.W.0045.000000T0000Z-210325T2100Z/
Jefferson Davis MS-
351 PM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JEFFERSON DAVIS COUNTY
WILL EXPIRE AT 400 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 3152 8989 3158 8994 3177 8976 3162 8976
      3161 8975 3160 8973
TIME...MOT...LOC 2051Z 231DEG 52KT 3163 8976 

$$

GRG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 12:47 AM CDTSpecial Weather StatementJANSmith43 min
Mar 25, 1:02 AM CDTSevere Thunderstorm WarningJANJasper, Smith39 min
Mar 25, 1:43 AM CDTSpecial Weather StatementJANClarke32 min
Mar 25, 2:06 AM CDTSpecial Weather StatementJANLauderdale24 min
Mar 25, 2:39 AM CDTSpecial Weather StatementJANChoctaw36 min
Mar 25, 3:02 AM CDTSpecial Weather StatementJANClay43 min
Mar 25, 3:07 AM CDTSpecial Weather StatementJANSimpson, Smith38 min
Mar 25, 3:43 AM CDTSpecial Weather StatementJANScott32 min
Mar 25, 3:48 AM CDTSevere Thunderstorm WarningJANNewton, Scott27 min
Mar 25, 4:14 AM CDTSpecial Weather StatementJANChoctaw31 min
Mar 25, 4:24 AM CDTSevere Thunderstorm WarningJANChoctaw, Oktibbeha, Webster36 min
Mar 25, 4:37 AM CDTSevere Thunderstorm WarningJANNeshoba, Winston38 min
Mar 25, 4:41 AM CDTSevere Thunderstorm WarningJANClay34 min
Mar 25, 5:15 AM CDTSevere Thunderstorm WarningJANNoxubee, Winston30 min
Mar 25, 5:28 AM CDTSpecial Weather StatementJANNeshoba47 min
Mar 25, 6:35 AM CDTSpecial Weather StatementJANNoxubee25 min
Mar 25, 7:04 AM CDTRiver Flood WarningJANLawrence63 hr
Mar 25, 8:54 AM CDTSpecial Weather StatementJANAttala36 min
Mar 25, 9:01 AM CDTRiver Flood WarningJANNeshoba7 days
Mar 25, 9:03 AM CDTRiver Flood WarningJANMadison, Yazoo13 days
Mar 25, 9:04 AM CDTRiver Flood WarningJANClarke4 days
Mar 25, 9:04 AM CDTSpecial Weather StatementJANLowndes26 min
Mar 25, 9:11 AM CDTSpecial Weather StatementJANWinston49 min
Mar 25, 9:18 AM CDTSpecial Weather StatementJANNoxubee42 min
Mar 25, 9:32 AM CDTTornado WarningJANNoxubee28 min
Mar 25, 11:46 AM CDTRiver Flood WarningJANBolivar, Washington12 days
Mar 25, 11:48 AM CDTRiver Flood WarningJANIssaquena, Washington13 days
Mar 25, 12:38 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba, Scott52 min
Mar 25, 1:02 PM CDTSpecial Weather StatementJANWinston28 min
Mar 25, 1:03 PM CDTTornado WarningJANCovington, Jefferson Davis, Simpson, Smith57 min
Mar 25, 1:17 PM CDTSevere Thunderstorm WarningJANNoxubee, Winston30 min
Mar 25, 1:21 PM CDTSevere Thunderstorm WarningJANChoctaw, Winston24 min
Mar 25, 1:24 PM CDTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence, Scott, Simpson, Smith94 min
Mar 25, 1:28 PM CDTTornado WarningJANNoxubee17 min
Mar 25, 1:46 PM CDTSevere Thunderstorm WarningJANLowndes27 min
Mar 25, 1:54 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton81 min
Mar 25, 2:05 PM CDTSpecial Weather StatementJANSmith25 min
Mar 25, 2:29 PM CDTTornado WarningJANKemper, Lauderdale, Newton61 min
Mar 25, 2:31 PM CDTSpecial Weather StatementJANKemper29 min
Mar 25, 3:06 PM CDTTornado WarningJANKemper24 min
Mar 25, 3:09 PM CDTSevere Thunderstorm WarningJANClarke, Lauderdale36 min
Mar 25, 3:18 PM CDTTornado WarningJANLauderdale27 min
Mar 25, 3:40 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Rankin, Simpson, Smith65 min
Mar 25, 3:47 PM CDTSevere Thunderstorm WarningJANCovington, Smith15 min
Mar 25, 4:23 PM CDTSpecial Weather StatementJANNewton37 min
Mar 25, 4:32 PM CDTSpecial Weather StatementJANMarion28 min
Mar 25, 5:03 PM CDTRiver Flood WarningJANLeake3 days
Mar 25, 5:03 PM CDTSpecial Weather StatementJANJones57 min
Mar 25, 5:15 PM CDTSevere Thunderstorm WarningJANCovington, Jones45 min
Mar 25, 5:57 PM CDTSpecial Weather StatementJANClarke63 min
Mar 25, 6:38 PM CDTSevere Thunderstorm WarningJANClarke13 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.