Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 118, NWS Jackson, MS

April 24, 20215 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 24, 2021, 2:58 AM CDT for 5 counties in Mississippi. It was in force for 51 min. 4 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 24, 2021, 2:58 AM CDT (07:58 UTC)
Expired
Apr 24, 2021, 3:49 AM CDT
In force
51 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hinds County, MS, Madison County, MS, Rankin County, MS, Scott County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 32 km from the middle of the area, began a volume at 07:58 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 24, 3:04 AM CDTTSTM WND DMG1 Sse Brandon, MSLARGE TREE DOWN BETWEEN LOUIS WILSON AND SUNSET DRIVE.
Apr 24, 3:08 AM CDTTSTM WND DMG2 E Brandon, MSLAW ENFORCEMENT REPORTS TREE DOWN PARTIALLY BLOCKING US 80. TIME ESTIMATED BY RADAR.
Apr 24, 3:09 AM CDTTSTM WND DMG3 N Brandon, MSLAW ENFORCEMENT REPORTS TREES DOWN ON POWER LINES. TIME ESTIMATED BY RADAR.
Apr 24, 3:30 AM CDTTSTM WND DMG3 Ssw Morton, MSLARGE TREE DOWN ALONG I-20 NEAR MORTON HWY 13 EXIT.

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 23, 8:30 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 8.0 hours before the alert went out and 41 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 2021-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

852 
WUUS54 KJAN 240758
SVRJAN
MSC049-089-121-123-129-240900-
/O.NEW.KJAN.SV.W.0118.210424T0758Z-210424T0900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
258 AM CDT Sat Apr 24 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Rankin County in central Mississippi...
  Northern Smith County in central Mississippi...
  Scott County in central Mississippi...
  Southeastern Hinds County in central Mississippi...
  South central Madison County in central Mississippi...

* Until 400 AM CDT.

* At 258 AM CDT, severe thunderstorms were located along a line
  extending from Ridgeland to near Whites, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Star, Fannin and Monterey around 310 AM CDT.
  Goshen Springs around 315 AM CDT.
  Pisgah around 320 AM CDT.
  Pelahatchie, Johns, Leesburg and Cato around 325 AM CDT.
  Morton, Branch and Forkville around 330 AM CDT.
  White Oak around 335 AM CDT.
  Forest, Harperville, Burns and Hillsboro around 345 AM CDT.
  Steele around 350 AM CDT.

Other locations impacted by these severe thunderstorms include
Polkville, Puckett and Lake.

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 AM CDT for central
Mississippi.

LAT...LON 3204 8940 3209 9027 3248 9018 3252 8932
      3231 8932
TIME...MOT...LOC 0758Z 270DEG 44KT 3241 9015 3211 9022 

HAIL...<.75IN
WIND...60MPH
 
$$

DL
4 follow-up statements
512 
WWUS54 KJAN 240808
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
308 AM CDT Sat Apr 24 2021

MSC049-089-240818-
/O.CAN.KJAN.SV.W.0118.000000T0000Z-210424T0900Z/
Hinds MS-Madison MS-
308 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HINDS AND SOUTH
CENTRAL MADISON 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 400 AM CDT for central
Mississippi.

LAT...LON 3204 8940 3210 9017 3244 9005 3249 9000
      3252 8932 3230 8932
TIME...MOT...LOC 0808Z 270DEG 44KT 3241 9003 3211 9010 

$$

MSC121-123-129-240900-
/O.CON.KJAN.SV.W.0118.000000T0000Z-210424T0900Z/
Rankin MS-Smith MS-Scott MS-
308 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR RANKIN...NORTHERN SMITH AND SCOTT COUNTIES...

At 308 AM CDT, severe thunderstorms were located along a line
extending from near Fannin to near Star, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Fannin and Goshen Springs around 315 AM CDT.
  Pisgah around 320 AM CDT.
  Pelahatchie, Johns, Cato and Leesburg around 325 AM CDT.
  Branch around 330 AM CDT.
  Morton, White Oak and Forkville around 335 AM CDT.
  Forest, Harperville, Burns and Hillsboro around 345 AM CDT.
  Steele around 350 AM CDT.
  Pineville around 355 AM CDT.

Other locations impacted by these severe thunderstorms include
Polkville, Puckett and Lake.

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 AM CDT for central
Mississippi.

LAT...LON 3204 8940 3210 9017 3244 9005 3249 9000
      3252 8932 3230 8932
TIME...MOT...LOC 0808Z 270DEG 44KT 3241 9003 3211 9010 

HAIL...<.75IN
WIND...60MPH
 
$$

DL
144 
WWUS54 KJAN 240825
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
325 AM CDT Sat Apr 24 2021

MSC121-123-129-240900-
/O.CON.KJAN.SV.W.0118.000000T0000Z-210424T0900Z/
Rankin MS-Smith MS-Scott MS-
325 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHEASTERN RANKIN...NORTHERN SMITH AND SCOTT COUNTIES...

At 325 AM CDT, severe thunderstorms were located along a line
extending from near Forkville to near Piney Woods, moving east at 45
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Forkville, Branch and Leesburg around 330 AM CDT.
  Harperville and Hillsboro around 340 AM CDT.
  Steele and White Oak around 345 AM CDT.
  Burns around 400 AM CDT.
  Pineville around 410 AM CDT.

Other locations impacted by these severe thunderstorms include
Polkville, Puckett and Lake.

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 AM CDT for central
Mississippi.

LAT...LON 3204 8940 3209 9000 3250 8973 3252 8932
      3230 8932
TIME...MOT...LOC 0825Z 266DEG 39KT 3249 8971 3209 8996 

HAIL...<.75IN
WIND...60MPH
 
$$

DL
444 
WWUS54 KJAN 240837
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
337 AM CDT Sat Apr 24 2021

MSC121-240847-
/O.CAN.KJAN.SV.W.0118.000000T0000Z-210424T0900Z/
Rankin MS-
337 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RANKIN 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 400 AM CDT for central
Mississippi.

LAT...LON 3210 8938 3215 8973 3217 8973 3251 8959
      3252 8932 3229 8932
TIME...MOT...LOC 0837Z 265DEG 48KT 3250 8955 3215 8972 

$$

MSC123-129-240900-
/O.CON.KJAN.SV.W.0118.000000T0000Z-210424T0900Z/
Smith MS-Scott MS-
337 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR NORTHERN SMITH AND SCOTT COUNTIES...

At 337 AM CDT, severe thunderstorms were located along a line
extending from near Hillsboro to 6 miles north of White Oak, moving
east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Harperville and Hillsboro around 340 AM CDT.
  Steele and Pulaski around 345 AM CDT.
  Burns and Homewood around 350 AM CDT.
  Pineville around 355 AM CDT.

Other locations impacted by these severe thunderstorms include
Polkville and Lake.

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 AM CDT for central
Mississippi.

LAT...LON 3210 8938 3215 8973 3217 8973 3251 8959
      3252 8932 3229 8932
TIME...MOT...LOC 0837Z 265DEG 48KT 3250 8955 3215 8972 

HAIL...<.75IN
WIND...60MPH
 
$$

DL
605 
WWUS54 KJAN 240849
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
349 AM CDT Sat Apr 24 2021

MSC123-129-240859-
/O.CAN.KJAN.SV.W.0118.000000T0000Z-210424T0900Z/
Smith MS-Scott MS-
349 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SMITH AND SCOTT
COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 400 AM CDT for central
Mississippi.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3210 8938 3215 8973 3217 8973 3251 8959
      3252 8932 3229 8932
TIME...MOT...LOC 0848Z 270DEG 44KT 3250 8938 3215 8955 

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:55 PM CDTSevere Thunderstorm WarningJANAdams, Jefferson29 min
Apr 23, 8:39 PM CDTSpecial Weather StatementJANAdams36 min
Apr 23, 9:08 PM CDTSpecial Weather StatementJANMarion52 min
Apr 23, 9:14 PM CDTSpecial Weather StatementJANFranklin, Jefferson46 min
Apr 23, 9:31 PM CDTRiver Flood WarningJANJones36 hr
Apr 23, 10:04 PM CDTSpecial Weather StatementJANMarion26 min
Apr 23, 10:35 PM CDTSpecial Weather StatementJANForrest, Lamar55 min
Apr 24, 12:50 AM CDTSpecial Weather StatementJANWilkinson25 min
Apr 24, 12:55 AM CDTSpecial Weather StatementJANForrest50 min
Apr 24, 1:01 AM CDTSevere Thunderstorm WarningJANForrest, Lamar44 min
Apr 24, 1:30 AM CDTSevere Thunderstorm WarningJANFranklin, Lincoln39 min
Apr 24, 1:43 AM CDTSpecial Weather StatementJANJefferson Davis, Lawrence62 min
Apr 24, 1:56 AM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence64 min
Apr 24, 2:00 AM CDTSpecial Weather StatementJANForrest30 min
Apr 24, 2:05 AM CDTSevere Thunderstorm WarningJANLawrence25 min
Apr 24, 2:35 AM CDTSpecial Weather StatementJANHinds, Rankin55 min
Apr 24, 2:47 AM CDTSevere Thunderstorm WarningJANJasper, Jones, Smith47 min
Apr 24, 3:44 AM CDTSpecial Weather StatementJANForrest31 min
Apr 24, 3:55 AM CDTSevere Thunderstorm WarningJANForrest6 min
Apr 24, 4:27 AM CDTSpecial Weather StatementJANWashington48 min
Apr 24, 6:23 AM CDTSpecial Weather StatementJANMadison, Rankin, Scott52 min
Apr 24, 8:56 AM CDTRiver Flood WarningJANLeake25 hr
Apr 24, 9:00 AM CDTRiver Flood WarningJANLawrence4 days
Apr 24, 9:00 AM CDTRiver Flood WarningJANCopiah, Simpson3 days
Apr 24, 9:00 AM CDTRiver Flood WarningJANMarion3 days

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.