Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS New Orleans, LA

April 24, 20214 counties in Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 24, 2021, 1:26 AM CDT for 4 counties in Mississippi. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 24, 2021, 1:26 AM CDT (06:26 UTC)
Expired
Apr 24, 2021, 2:15 AM CDT
In force
49 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Amite County, MS, Pike County, MS, Walthall County, MS, Wilkinson County, MS

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, 6.4 hours before the alert went out and 135 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.

542 
WUUS54 KLIX 240626
SVRLIX
MSC005-113-147-157-240715-
/O.NEW.KLIX.SV.W.0080.210424T0626Z-210424T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
126 AM CDT Sat Apr 24 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Northwestern Walthall County in southern Mississippi...
  Pike County in southern Mississippi...
  Southeastern Wilkinson County in southern Mississippi...
  Amite County in southern Mississippi...

* Until 215 AM CDT.

* At 125 AM CDT, severe thunderstorms were located along a line
  extending from 7 miles south of Kirby to near Gloster to near
  Centreville, moving east at 65 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Mccomb, Liberty, Magnolia, Summit, Centreville, Gloster, Smithdale,
  Crosby and Mccomb Airport.

This includes Interstate 55 in Mississippi between mile markers 9 and
24.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in New Orleans.

&&

LAT...LON 3116 9021 3103 9118 3122 9107 3133 9106
      3135 9102 3133 9099 3135 9098 3135 9012
TIME...MOT...LOC 0625Z 254DEG 55KT 3141 9098 3125 9099 3112 9107 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

PG
2 follow-up statements
272 
WWUS54 KLIX 240647
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
147 AM CDT Sat Apr 24 2021

MSC157-240656-
/O.CAN.KLIX.SV.W.0080.000000T0000Z-210424T0715Z/
Wilkinson MS-
147 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WILKINSON 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 southern
Mississippi.

LAT...LON 3127 9016 3112 9083 3126 9071 3135 9073
      3135 9012
TIME...MOT...LOC 0646Z 249DEG 66KT 3140 9067 3129 9064 3121 9071 

$$

MSC005-113-147-240715-
/O.CON.KLIX.SV.W.0080.000000T0000Z-210424T0715Z/
Walthall MS-Pike MS-Amite MS-
147 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR NORTHWESTERN WALTHALL...NORTHERN PIKE AND NORTHEASTERN AMITE
COUNTIES...

At 146 AM CDT, severe thunderstorms were located along a line
extending from near Center Point to near Smithdale to 6 miles
northeast of Liberty, moving east at 75 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Mccomb, Liberty, Summit and Smithdale. 

This includes Interstate 55 in Mississippi between mile markers 14
and 24.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
New Orleans.

&&

LAT...LON 3127 9016 3112 9083 3126 9071 3135 9073
      3135 9012
TIME...MOT...LOC 0646Z 249DEG 66KT 3140 9067 3129 9064 3121 9071 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

PG
614 
WWUS54 KLIX 240700
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
200 AM CDT Sat Apr 24 2021

MSC005-240709-
/O.CAN.KLIX.SV.W.0080.000000T0000Z-210424T0715Z/
Amite MS-
200 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN AMITE 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 southern
Mississippi.

LAT...LON 3127 9016 3118 9055 3135 9055 3135 9012
TIME...MOT...LOC 0659Z 254DEG 55KT 3145 9045 3134 9042 3126 9049 

$$

MSC113-147-240715-
/O.CON.KLIX.SV.W.0080.000000T0000Z-210424T0715Z/
Walthall MS-Pike MS-
200 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR NORTHWESTERN WALTHALL AND NORTHERN PIKE COUNTIES...

At 159 AM CDT, severe thunderstorms were located along a line
extending from Bogue Chitto to near Summit to Mccomb, moving east at
65 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Mccomb and Summit. 

This includes Interstate 55 in Mississippi between mile markers 14
and 24.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
New Orleans.

&&

LAT...LON 3127 9016 3118 9055 3135 9055 3135 9012
TIME...MOT...LOC 0659Z 254DEG 55KT 3145 9045 3134 9042 3126 9049 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

PG

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 8:17 PM CDTSpecial Weather StatementLIXPike, Walthall28 min
Apr 23, 8:47 PM CDTSpecial Weather StatementLIXWilkinson28 min
Apr 23, 9:20 PM CDTRiver Flood WarningLIXPike, Walthall70 hr
Apr 23, 9:28 PM CDTSevere Thunderstorm WarningLIXPike, Walthall47 min
Apr 23, 10:02 PM CDTSevere Thunderstorm WarningLIXWalthall13 min
Apr 23, 11:46 PM CDTSevere Thunderstorm WarningLIXWalthall44 min
Apr 24, 12:28 AM CDTSevere Thunderstorm WarningLIXPearl River47 min
Apr 24, 1:16 AM CDTSpecial Weather StatementLIXAmite, Pike59 min
Apr 24, 1:41 AM CDTSpecial Weather StatementLIXPearl River34 min
Apr 24, 2:35 AM CDTSpecial Weather StatementLIXAmite, Pike40 min
Apr 24, 3:00 AM CDTSpecial Weather StatementLIXPearl River60 min
Apr 24, 3:42 AM CDTSevere Thunderstorm WarningLIXPearl River18 min
Apr 24, 3:59 AM CDTSpecial Weather StatementLIXHancock, Harrison61 min
Apr 24, 4:30 AM CDTSpecial Weather StatementLIXHancock, Harrison75 min
Apr 24, 4:53 AM CDTSevere Thunderstorm WarningLIXJackson52 min
Apr 24, 11:13 AM CDTRiver Flood WarningLIXPearl River46 hr

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; the sounding from the Mesonet's radiosonde archive.