Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 86, NWS Jackson, MS

April 9, 20215 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 7:37 PM CDT for 5 counties in Mississippi. It was in force for 98 min. 6 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 9, 2021, 7:37 PM CDT (00:37 UTC)
Expired: Apr 9, 2021, 9:15 PM CDT
In force: 98 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Attala County, MS, Carroll County, MS, Choctaw County, MS, Montgomery County, MS, Webster County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 119 km from the middle of the area, began a volume at 00:40 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 9, 7:48 PM CDT	HAIL 1	Ackerman, MS	MEDIA REPORTS 1 INCH HAIL IN ACKERMAN.
Apr 9, 7:56 PM CDT	HAIL 0.25	1 Wnw Ackerman, MS	SOCIAL MEDIA REPORT.
Apr 9, 7:59 PM CDT	HAIL 1.75	1 Wsw Possumneck, MS	EMERGENCY MANAGER REPORTS NICKEL TO GOLF BALL SIZE HAIL FALLING IN POSSUMNECK ALONG ATTALA RD 4101, 5 SE WEST, MS.
Apr 9, 8:04 PM CDT	TORNADO	1 Nnw Kosciusko, MS	A BRIEF EF1 TORNADO OCCURRED DURING THE EVENING OF APRIL 9TH IN KOSCIUSKO. THE TORNADO BEGAN AT THE INTERSECTION OF HWY 12 AND NORTH JACKSON ST WHERE AN AWNING AND PORTION OF A SIGN WAS BLOWN OFF THE CVS BUILDING. THE TORNADO QUICKLY REACHED PEAK INTENSITY AS
Apr 9, 8:15 PM CDT	HAIL 0.7	Kosciusko, MS	SOCIAL MEDIA POST.
Apr 9, 9:00 PM CDT	TSTM WND DMG	1 Ene Kosciusko, MS	MULTIPLE TREES AND LIMBS DOWN.

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 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.6 hours before the alert went out and 119 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: 2299 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1555 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

492 
WUUS54 KJAN 100037
SVRJAN
MSC007-015-019-097-155-100215-
/O.NEW.KJAN.SV.W.0086.210410T0037Z-210410T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
737 PM CDT Fri Apr 9 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Choctaw County in central Mississippi...
  Southeastern Carroll County in north central Mississippi...
  Northeastern Attala County in central Mississippi...
  Southern Webster County in north central Mississippi...
  Montgomery County in north central Mississippi...

* Until 915 PM CDT.

* At 737 PM CDT, a severe thunderstorm was located near Vaiden, or 7
  miles southwest of Winona, moving east at 35 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...
  Winona around 745 PM CDT.
  Kilmichael and Poplar Creek around 805 PM CDT.
  Eupora and Chester around 835 PM CDT.
  Reform around 845 PM CDT.
  Mathiston and Sherwood around 850 PM CDT.
  Maben around 855 PM CDT.

Other locations impacted by this severe thunderstorm include Mccool,
Ethel, French Camp and Weir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3357 8908 3329 8910 3328 8911 3320 8911
      3320 8921 3311 8922 3311 8932 3303 8932
      3303 8972 3317 8978 3319 8978 3320 8976
      3321 8975 3323 8980 3353 8993
TIME...MOT...LOC 0037Z 262DEG 29KT 3341 8982 

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

TW

3 follow-up statements

128 
WWUS54 KJAN 100107
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
807 PM CDT Fri Apr 9 2021

MSC015-100116-
/O.CAN.KJAN.SV.W.0086.000000T0000Z-210410T0215Z/
Carroll MS-
807 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARROLL COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
central, north central, northeastern and east central Mississippi.

LAT...LON 3357 8908 3320 8911 3320 8921 3311 8922
      3311 8932 3303 8932 3303 8966 3354 8964
TIME...MOT...LOC 0106Z 262DEG 29KT 3338 8950 

$$

MSC007-019-097-155-100215-
/O.CON.KJAN.SV.W.0086.000000T0000Z-210410T0215Z/
Choctaw MS-Attala MS-Webster MS-Montgomery MS-
807 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR CHOCTAW...NORTHEASTERN ATTALA...SOUTHERN WEBSTER AND SOUTHEASTERN
MONTGOMERY COUNTIES...

At 806 PM CDT, a severe thunderstorm was located near Poplar Creek,
or 15 miles southeast of Winona, moving east at 35 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe storm will be near...
  Chester around 835 PM CDT.
  Ackerman and Reform around 840 PM CDT.
  Sherwood around 845 PM CDT.

Other locations impacted by this severe thunderstorm include Mccool,
Ethel, French Camp and Weir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3357 8908 3320 8911 3320 8921 3311 8922
      3311 8932 3303 8932 3303 8966 3354 8964
TIME...MOT...LOC 0106Z 262DEG 29KT 3338 8950 

HAIL...1.75IN
WIND...60MPH
 
$$

TW

043 
WWUS54 KJAN 100138
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
838 PM CDT Fri Apr 9 2021

MSC097-155-100147-
/O.CAN.KJAN.SV.W.0086.000000T0000Z-210410T0215Z/
Webster MS-Montgomery MS-
838 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WEBSTER AND
SOUTHEASTERN MONTGOMERY COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
central, north central and east central Mississippi.

LAT...LON 3353 8909 3320 8911 3320 8921 3311 8922
      3311 8932 3303 8932 3303 8956 3325 8945
      3344 8945 3343 8941 3345 8940 3347 8936
      3347 8934 3350 8932 3352 8926
TIME...MOT...LOC 0137Z 222DEG 11KT 3308 8933 

$$

MSC007-019-100215-
/O.CON.KJAN.SV.W.0086.000000T0000Z-210410T0215Z/
Choctaw MS-Attala MS-
838 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR CHOCTAW AND NORTHEASTERN ATTALA COUNTIES...

At 837 PM CDT, a severe thunderstorm was located 7 miles north of
Zama, or 14 miles east of Kosciusko, moving northeast at 15 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe storm will be near...
  Ackerman around 1005 PM CDT.

Other locations impacted by this severe thunderstorm include Mccool,
Ethel, French Camp and Weir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3353 8909 3320 8911 3320 8921 3311 8922
      3311 8932 3303 8932 3303 8956 3325 8945
      3344 8945 3343 8941 3345 8940 3347 8936
      3347 8934 3350 8932 3352 8926
TIME...MOT...LOC 0137Z 222DEG 11KT 3308 8933 

HAIL...1.75IN
WIND...60MPH
 
$$

TW

690 
WWUS54 KJAN 100149
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
849 PM CDT Fri Apr 9 2021

MSC007-019-100215-
/O.CON.KJAN.SV.W.0086.000000T0000Z-210410T0215Z/
Choctaw MS-Attala MS-
849 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR EASTERN CHOCTAW AND EAST CENTRAL ATTALA COUNTIES...

At 849 PM CDT, a severe thunderstorm was located 8 miles west of
Center Ridge, or 9 miles west of Louisville, moving east at 35 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 remain over mainly rural areas of
eastern Choctaw and east central Attala Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3353 8909 3320 8911 3320 8921 3311 8922
      3311 8932 3303 8932 3303 8948 3322 8927
      3330 8926 3352 8926
TIME...MOT...LOC 0149Z 262DEG 29KT 3309 8921 

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

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:29 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Rankin, Scott	61 min
Apr 9, 7:38 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Smith	67 min
Apr 9, 7:40 PM CDT	Special Weather Statement	JAN	Washington	35 min
Apr 9, 7:48 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	57 min
Apr 9, 7:57 PM CDT	Severe Thunderstorm Warning	JAN	Grenada, Montgomery, Webster	51 min
Apr 9, 8:10 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin	65 min
Apr 9, 8:14 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Oktibbeha	46 min
Apr 9, 8:26 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Warren, Yazoo	49 min
Apr 9, 8:29 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake	61 min
Apr 9, 8:34 PM CDT	Tornado Warning	JAN	Rankin, Scott	34 min
Apr 9, 8:46 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	59 min
Apr 9, 8:49 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Warren	41 min
Apr 9, 9:09 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin, Scott	51 min
Apr 9, 9:33 PM CDT	Flash Flood Warning	JAN	Hinds, Madison, Rankin	3 hr
Apr 9, 9:43 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	92 min
Apr 9, 10:06 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Smith	54 min
Apr 9, 10:19 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Rankin	27 min
Apr 9, 10:53 PM CDT	Flash Flood Warning	JAN	Rankin, Scott, Smith	2 hr
Apr 9, 10:57 PM CDT	Special Weather Statement	JAN	Claiborne, Copiah, Hinds, Jefferson, Warren	33 min
Apr 9, 11:38 PM CDT	Special Weather Statement	JAN	Copiah, Hinds, Lawrence, Lincoln, Rankin	37 min
Apr 9, 11:45 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Smith	45 min
Apr 9, 11:52 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Lincoln	38 min
Apr 10, 12:01 AM CDT	Flash Flood Warning	JAN	Adams, Franklin, Jefferson, Lincoln	3 hr
Apr 10, 12:29 AM CDT	Special Weather Statement	JAN	Clarke, Lauderdale	31 min
Apr 10, 12:31 AM CDT	Tornado Warning	JAN	Jefferson Davis, Lamar, Marion	44 min
Apr 10, 12:50 AM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	55 min
Apr 10, 12:53 AM CDT	Flash Flood Warning	JAN	Covington, Jasper, Jefferson Davis, Jones, Lawrence, Simpson and 1 more	3 hr
Apr 10, 1:02 AM CDT	Tornado Warning	JAN	Forrest, Lamar	38 min
Apr 10, 1:09 AM CDT	Flash Flood Warning	JAN	Clarke, Lauderdale	3 hr
Apr 10, 1:48 AM CDT	Flash Flood Warning	JAN	Forrest, Jones, Lamar, Marion	3 hr
Apr 10, 2:17 AM CDT	Special Weather Statement	JAN	Claiborne, Franklin, Jefferson	28 min
Apr 10, 2:53 AM CDT	Flash Flood Warning	JAN	Adams	118 min
Apr 10, 3:43 AM CDT	Special Weather Statement	JAN	Lamar, Marion	47 min
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	7 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	6 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Attala	24 hr
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	4 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	24 hr
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Madison, Rankin	24 hr
Apr 10, 9:32 AM CDT	River Flood Warning	JAN	Hinds, Rankin	5 days
Apr 10, 9:36 AM CDT	River Flood Warning	JAN	Noxubee	3 days
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Copiah, Simpson	21 days
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Simpson	35 hr
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Marion	21 days
Apr 10, 10:44 AM CDT	River Flood Warning	JAN	Clarke	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.