Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 115, NWS Jackson, MS

April 24, 2021Covington County, Jefferson Davis County, Lawrence County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 24, 2021, 1:56 AM CDT for Covington County, Jefferson Davis County, Lawrence County, Mississippi. It was in force for 64 min. 1 report 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, 1:56 AM CDT (06:56 UTC)
Expired: Apr 24, 2021, 3:00 AM CDT
In force: 64 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Covington County, MS, Jefferson Davis County, MS, Lawrence County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 79 km from the middle of the area, began a volume at 06:56 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

Time	Report	Where	Remark
Apr 24, 2:06 AM CDT	TSTM WND DMG	5 Wsw Clem, MS	SHERIFFS OFFICE REPORTS TREE DOWN NEAR 13 AND WHITESAND CHURCH RD.

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.

Issued	Product	Office	Lasted
Apr 23, 8:30 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.9 hours before the alert went out and 85 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

215 
WUUS54 KJAN 240656
SVRJAN
MSC031-065-077-240800-
/O.NEW.KJAN.SV.W.0115.210424T0656Z-210424T0800Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Lawrence County in south central Mississippi...
  Covington County in southeastern Mississippi...
  Jefferson Davis County in south central Mississippi...

* Until 300 AM CDT.

* At 156 AM CDT, severe thunderstorms were located along a line
  extending from 6 miles south of Hebron to near Progress to near
  Tilton, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Progress around 200 AM CDT.
  Prentiss around 205 AM CDT.
  Carson and Clem around 215 AM CDT.
  Lone Star around 220 AM CDT.
  Mount Olive around 230 AM CDT.
  Collins around 240 AM CDT.

Other locations impacted by these severe thunderstorms include
Bassfield, Seminary and Silver Creek.

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 south central,
central and southeastern Mississippi.

LAT...LON 3153 9000 3170 9003 3180 8940 3152 8940
      3145 9005
TIME...MOT...LOC 0656Z 261DEG 31KT 3164 8999 3152 8998 3146 9003 

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

DL

4 follow-up statements

697 
WWUS54 KJAN 240702
SVSJAN

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

MSC077-240712-
/O.CAN.KJAN.SV.W.0115.000000T0000Z-210424T0800Z/
Lawrence MS-
202 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LAWRENCE 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 south central,
central and southeastern Mississippi.

LAT...LON 3150 8996 3157 8993 3172 8994 3180 8940
      3152 8940 3147 8996
TIME...MOT...LOC 0702Z 258DEG 33KT 3167 8992 3155 8991 3149 8996 

$$

MSC031-065-240800-
/O.CON.KJAN.SV.W.0115.000000T0000Z-210424T0800Z/
Covington MS-Jefferson Davis MS-
202 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR COVINGTON AND CENTRAL JEFFERSON DAVIS COUNTIES...

At 202 AM CDT, severe thunderstorms were located along a line
extending from near Hebron to Progress to near Oak Vale, moving east
at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Prentiss around 205 AM CDT.
  Clem around 215 AM CDT.
  Carson and Lone Star around 220 AM CDT.
  Mount Olive around 230 AM CDT.
  Collins around 235 AM CDT.

Other locations impacted by these severe thunderstorms include
Bassfield and Seminary.

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 south central,
central and southeastern Mississippi.

LAT...LON 3150 8996 3157 8993 3172 8994 3180 8940
      3152 8940 3147 8996
TIME...MOT...LOC 0702Z 258DEG 33KT 3167 8992 3155 8991 3149 8996 

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

DL

609 
WWUS54 KJAN 240712
SVSJAN

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

MSC031-065-240800-
/O.CON.KJAN.SV.W.0115.000000T0000Z-210424T0800Z/
Covington MS-Jefferson Davis MS-
212 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR COVINGTON AND CENTRAL JEFFERSON DAVIS COUNTIES...

At 212 AM CDT, severe thunderstorms were located along a line
extending from Clem to near Progress, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Clem and Lone Star around 215 AM CDT.
  Mount Olive around 225 AM CDT.
  Collins around 245 AM CDT.

Other locations impacted by these severe thunderstorms include
Bassfield and Seminary.

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 south central,
central and southeastern Mississippi.

LAT...LON 3155 8985 3173 8986 3180 8940 3152 8940
      3148 8989
TIME...MOT...LOC 0712Z 254DEG 32KT 3171 8978 3149 8988 

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

DL

169 
WWUS54 KJAN 240727
SVSJAN

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

MSC031-065-240800-
/O.CON.KJAN.SV.W.0115.000000T0000Z-210424T0800Z/
Covington MS-Jefferson Davis MS-
227 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR COVINGTON AND EAST CENTRAL JEFFERSON DAVIS COUNTIES...

At 227 AM CDT, severe thunderstorms were located along a line
extending from Mount Olive to near Carson, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Mount Olive around 230 AM CDT.
  Collins around 235 AM CDT.

Other locations impacted by these severe thunderstorms include
Bassfield and Seminary.

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 south central,
central and southeastern Mississippi.

LAT...LON 3159 8971 3175 8972 3180 8940 3152 8940
      3149 8976
TIME...MOT...LOC 0727Z 260DEG 31KT 3173 8965 3150 8974 

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

DL

673 
WWUS54 KJAN 240738
SVSJAN

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

MSC065-240748-
/O.CAN.KJAN.SV.W.0115.000000T0000Z-210424T0800Z/
Jefferson Davis MS-
238 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL JEFFERSON DAVIS
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 south central,
central and southeastern Mississippi.

LAT...LON 3151 8959 3151 8960 3154 8960 3155 8962
      3158 8962 3177 8958 3180 8941 3180 8940
      3152 8940 3150 8958
TIME...MOT...LOC 0738Z 257DEG 35KT 3177 8951 3155 8957 

$$

MSC031-240800-
/O.CON.KJAN.SV.W.0115.000000T0000Z-210424T0800Z/
Covington MS-
238 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR EASTERN COVINGTON COUNTY...

At 238 AM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Taylorsville to 6 miles south of
Collins, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe thunderstorms will remain over mainly rural areas of
eastern Covington County, including the following locations...
Seminary.

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 south central,
central and southeastern Mississippi.

LAT...LON 3151 8959 3151 8960 3154 8960 3155 8962
      3158 8962 3177 8958 3180 8941 3180 8940
      3152 8940 3150 8958
TIME...MOT...LOC 0738Z 257DEG 35KT 3177 8951 3155 8957 

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

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 7:55 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Jefferson	29 min
Apr 23, 8:39 PM CDT	Special Weather Statement	JAN	Adams	36 min
Apr 23, 9:08 PM CDT	Special Weather Statement	JAN	Marion	52 min
Apr 23, 9:14 PM CDT	Special Weather Statement	JAN	Franklin, Jefferson	46 min
Apr 23, 9:31 PM CDT	River Flood Warning	JAN	Jones	36 hr
Apr 23, 10:04 PM CDT	Special Weather Statement	JAN	Marion	26 min
Apr 23, 10:35 PM CDT	Special Weather Statement	JAN	Forrest, Lamar	55 min
Apr 24, 12:50 AM CDT	Special Weather Statement	JAN	Wilkinson	25 min
Apr 24, 12:55 AM CDT	Special Weather Statement	JAN	Forrest	50 min
Apr 24, 1:01 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	44 min
Apr 24, 1:30 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	39 min
Apr 24, 1:43 AM CDT	Special Weather Statement	JAN	Jefferson Davis, Lawrence	62 min
Apr 24, 2:00 AM CDT	Special Weather Statement	JAN	Forrest	30 min
Apr 24, 2:05 AM CDT	Severe Thunderstorm Warning	JAN	Lawrence	25 min
Apr 24, 2:35 AM CDT	Special Weather Statement	JAN	Hinds, Rankin	55 min
Apr 24, 2:47 AM CDT	Severe Thunderstorm Warning	JAN	Jasper, Jones, Smith	47 min
Apr 24, 2:58 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin, Scott, Smith	51 min
Apr 24, 3:44 AM CDT	Special Weather Statement	JAN	Forrest	31 min
Apr 24, 3:55 AM CDT	Severe Thunderstorm Warning	JAN	Forrest	6 min
Apr 24, 4:27 AM CDT	Special Weather Statement	JAN	Washington	48 min
Apr 24, 6:23 AM CDT	Special Weather Statement	JAN	Madison, Rankin, Scott	52 min
Apr 24, 8:56 AM CDT	River Flood Warning	JAN	Leake	25 hr
Apr 24, 9:00 AM CDT	River Flood Warning	JAN	Lawrence	4 days
Apr 24, 9:00 AM CDT	River Flood Warning	JAN	Copiah, Simpson	3 days
Apr 24, 9:00 AM CDT	River Flood Warning	JAN	Marion	3 days

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Every 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.