Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 142, NWS Jackson, MS

May 4, 20217 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 4, 2021, 2:09 PM CDT for 7 counties in Mississippi. It was in force for 66 min. 18 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: May 4, 2021, 2:09 PM CDT (19:09 UTC)
Expired: May 4, 2021, 3:15 PM CDT
In force: 66 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 80.0 mph

Counties Attala County, MS, Holmes County, MS, Leake County, MS, Madison County, MS, Rankin County, MS, Scott County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 64 km from the middle of the area, began a volume at 19:12 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
May 4, 2:23 PM CDT	TSTM WND DMG	2 Nnw Dover, MS	MULTIPLE TREES DOWN ON OLD DOVER AND PARADISE ROADS, POSSIBLE TORNADO.
May 4, 2:25 PM CDT	TSTM WND DMG	1 Se Bentonia, MS	MULTIPLE TREES AND LINES DOWN AROUND THE AREA.
May 4, 2:25 PM CDT	TSTM WND DMG	2 Nnw Myrleville, MS	MYRLEVILLE RD AREA HAD NUMEROUS TREES DOWN AND LINES DOWN. POSSIBLE TORNADO.
May 4, 2:27 PM CDT	TSTM WND DMG	Benton, MS	NUMEROUS TREES DOWN AND SOME POWER LINES.
May 4, 2:32 PM CDT	TSTM WND DMG	Coxburg, MS	TREE AND POWER LINE DOWN.
May 4, 2:37 PM CDT	TSTM WND DMG	Flora, MS	PICTURE OF A CARWASH AWNING DESTROYED.
May 4, 2:38 PM CDT	TSTM WND DMG	3 W Vaughan, MS	TREES DOWN.
May 4, 2:43 PM CDT	TSTM WND DMG	2 W Gluckstadt, MS	TREE DOWN NEAR INTERSECTION OF GLUCKSTADT AND BOZEMAN.
May 4, 2:45 PM CDT	TSTM WND DMG	2 Ese Canton, MS	TREES WERE BLOWN DOWN ON THE SOUTHEAST SIDE OF CANTON.
May 4, 2:45 PM CDT	TSTM WND DMG	2 Wnw Goodman, MS	TREE DOWN ACROSS HWY 14.
May 4, 2:52 PM CDT	TSTM WND DMG	2 N Goshen Springs, MS	LARGE TREE BRANCH BROUGHT DOWN A POWER LINE ALONG HARBOR LANE.
May 4, 2:59 PM CDT	TSTM WND DMG	1 Ssw Kosciusko, MS	3 DOWNED TREES.
May 4, 3:03 PM CDT	TSTM WND DMG	1 Nw Thomastown, MS	A COUPLE TREES DOWN ON HWY 429.
May 4, 3:05 PM CDT	TSTM WND DMG	1 Wnw Lena, MS	NUMEROUS TREES DOWN. ONE FELL ON A CAMPER AND MOBILE HOME. POWER LINES WERE ALSO DOWN NEAR THE HOME.
May 4, 3:06 PM CDT	TORNADO	1 Wnw Lena, MS	THIS TORNADO BEGAN IN A WOODED AREA TO THE WEST OF HIGHWAY 13 ON THE NORTHWEST SIDE OF LENA. A FEW LARGE TREE BRANCHES WERE SNAPPED AND A PINE TREE WAS UPROOTED AS THE TORNADO CROSSED HIGHWAY 13. ADDITIONAL TREE BRANCHES WERE SNAPPED ALONG WITH SEVERAL MORE TR
May 4, 3:09 PM CDT	TSTM WND DMG	3 Wnw Redwater, MS	A COUPLE TREES DOWNED ALONG HWY 429.
May 4, 3:12 PM CDT	TSTM WND DMG	1 Nne Redwater, MS	TREE DOWNED ON MS HIGHWAY 35 NORTH OF CARTHAGE.
May 4, 3:12 PM CDT	TSTM WND DMG	Carthage, MS	SOCIAL MEDIA REPORT OF A TREE DOWN IN DOWNTOWN CARTHAGE.

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
May 4, 9:18 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.2 hours before the alert went out and 62 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: 2428 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 646 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 170 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 13.2

Open this sounding in Storm Lab

The text

As transmitted.

576 
WUUS54 KJAN 041909
SVRJAN
MSC007-051-079-089-121-123-163-042015-
/O.NEW.KJAN.SV.W.0142.210504T1909Z-210504T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
209 PM CDT Tue May 4 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Western Leake County in central Mississippi...
  Southeastern Holmes County in central Mississippi...
  Northeastern Rankin County in central Mississippi...
  Southern Attala County in central Mississippi...
  Northwestern Scott County in central Mississippi...
  Eastern Yazoo County in central Mississippi...
  Madison County in central Mississippi...

* Until 315 PM CDT.

* At 209 PM CDT, severe thunderstorms were located along a line
  extending from near Yazoo City to near Phoenix, moving east at 70
  mph.

  These are very dangerous storms.

  HAZARD...80 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* Severe thunderstorms will be near...
  Benton around 220 PM CDT.
  Flora and Coxburg around 225 PM CDT.
  Ebenezer and Annandale around 230 PM CDT.
  Franklin, Pickens and Gluckstadt around 235 PM CDT.
  Canton, Goodman and Cameron around 240 PM CDT.
  Newport and Sharon around 245 PM CDT.
  Farmhaven, Mcadams and Thomastown around 250 PM CDT.
  Kosciusko, Ludlow and Singleton around 255 PM CDT.

Other locations impacted by these severe thunderstorms include Lena,
Sallis, Redwater and Bentonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.

&&

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

LAT...LON 3309 8940 3249 8957 3249 9045 3302 9026
TIME...MOT...LOC 1909Z 265DEG 59KT 3290 9047 3257 9064 

HAIL...0.75IN
WIND...80MPH
 
$$

CME

2 follow-up statements

663 
WWUS54 KJAN 041944
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
244 PM CDT Tue May 4 2021

MSC007-051-079-089-121-123-163-042015-
/O.CON.KJAN.SV.W.0142.000000T0000Z-210504T2015Z/
Leake MS-Holmes MS-Rankin MS-Attala MS-Scott MS-Yazoo MS-Madison MS-
244 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR WESTERN LEAKE...SOUTHEASTERN HOLMES...NORTHEASTERN RANKIN...
SOUTHERN ATTALA...NORTHWESTERN SCOTT...EASTERN YAZOO AND MADISON
COUNTIES...

At 244 PM CDT, severe thunderstorms were located along a line
extending from near Goodman to near Canton, moving east at 65 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

These severe storms will be near...
  Newport and Cameron around 250 PM CDT.
  Thomastown and Mcadams around 255 PM CDT.
  Kosciusko and Farmhaven around 300 PM CDT.
  Ludlow and Singleton around 305 PM CDT.
  Smyrna around 310 PM CDT.

Other locations impacted by these severe thunderstorms include Lena,
Sallis, Redwater and Bentonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.

&&

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

LAT...LON 3309 8940 3249 8957 3249 9045 3302 9026
TIME...MOT...LOC 1944Z 265DEG 55KT 3292 8990 3259 9007 

HAIL...<.75IN
WIND...80MPH
 
$$

CME

775 
WWUS54 KJAN 041956
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
256 PM CDT Tue May 4 2021

MSC051-163-042006-
/O.CAN.KJAN.SV.W.0142.000000T0000Z-210504T2015Z/
Holmes MS-Yazoo MS-
256 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOLMES AND
EASTERN YAZOO 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 PM CDT for central
Mississippi.

LAT...LON 3249 8957 3249 9010 3306 8983 3309 8940
TIME...MOT...LOC 1956Z 265DEG 59KT 3294 8969 3261 8986 

$$

MSC007-079-089-121-123-042015-
/O.CON.KJAN.SV.W.0142.000000T0000Z-210504T2015Z/
Leake MS-Rankin MS-Attala MS-Scott MS-Madison MS-
256 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR WESTERN LEAKE...NORTHEASTERN RANKIN...SOUTHERN ATTALA...
NORTHWESTERN SCOTT AND EASTERN MADISON COUNTIES...

At 256 PM CDT, severe thunderstorms were located along a line
extending from near Newport to near Farmhaven, moving east at 70 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

These severe storms will be near...
  Kosciusko, Thomastown and Mcadams around 300 PM CDT.
  Smyrna and Singleton around 305 PM CDT.

Other locations impacted by these severe thunderstorms include Lena,
Sallis and Redwater.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.

&&

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

LAT...LON 3249 8957 3249 9010 3306 8983 3309 8940
TIME...MOT...LOC 1956Z 265DEG 59KT 3294 8969 3261 8986 

HAIL...<.75IN
WIND...80MPH
 
$$

CME

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 3:50 AM CDT	Flash Flood Watch	JAN	Clarke, Copiah, Covington, Forrest, Franklin, Hinds and 13 more	18 hr
May 4, 7:28 AM CDT	Special Weather Statement	JAN	Clay	32 min
May 4, 7:58 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Rankin, Simpson	62 min
May 4, 8:19 AM CDT	Tornado Warning	JAN	Copiah, Rankin, Simpson	56 min
May 4, 9:06 AM CDT	Tornado Warning	JAN	Rankin, Simpson	54 min
May 4, 9:29 AM CDT	Special Weather Statement	JAN	Clay	46 min
May 4, 9:48 AM CDT	Special Weather Statement	JAN	Grenada	27 min
May 4, 9:49 AM CDT	Special Weather Statement	JAN	Scott	26 min
May 4, 9:55 AM CDT	Special Weather Statement	JAN	Choctaw	35 min
May 4, 10:02 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Oktibbeha	43 min
May 4, 10:11 AM CDT	Special Weather Statement	JAN	Lowndes	34 min
May 4, 10:15 AM CDT	Flash Flood Warning	JAN	Clay, Webster	2 hr
May 4, 10:59 AM CDT	Special Weather Statement	JAN	Clay	31 min
May 4, 11:25 AM CDT	Special Weather Statement	JAN	Lowndes	20 min
May 4, 12:01 PM CDT	Special Weather Statement	JAN	Madison	44 min
May 4, 12:07 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin	38 min
May 4, 12:18 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	72 min
May 4, 12:30 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Washington	75 min
May 4, 12:40 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison	50 min
May 4, 12:42 PM CDT	Special Weather Statement	JAN	Copiah	48 min
May 4, 12:43 PM CDT	Special Weather Statement	JAN	Madison	47 min
May 4, 12:46 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Yazoo	44 min
May 4, 12:47 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	43 min
May 4, 12:57 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena	76 min
May 4, 1:10 PM CDT	Severe Thunderstorm Warning	JAN	Leake	50 min
May 4, 1:16 PM CDT	Special Weather Statement	JAN	Grenada	29 min
May 4, 1:19 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	59 min
May 4, 1:19 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Smith	41 min
May 4, 1:22 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo	71 min
May 4, 1:28 PM CDT	Special Weather Statement	JAN	Attala	47 min
May 4, 1:31 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Simpson	44 min
May 4, 1:37 PM CDT	Special Weather Statement	JAN	Carroll, Montgomery	23 min
May 4, 1:37 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Issaquena, Warren, Yazoo	53 min
May 4, 1:44 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Montgomery	75 min
May 4, 1:52 PM CDT	Tornado Warning	JAN	Rankin, Scott, Smith	23 min
May 4, 1:57 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Claiborne, Copiah, Franklin, Hinds, Jefferson and 1 more	78 min
May 4, 2:00 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Neshoba	45 min
May 4, 2:12 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Madison, Rankin, Scott, Simpson and 1 more	93 min
May 4, 2:12 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Choctaw, Holmes, Montgomery	63 min
May 4, 2:18 PM CDT	Special Weather Statement	JAN	Clay	27 min
May 4, 2:22 PM CDT	Tornado Warning	JAN	Attala, Holmes, Madison, Yazoo	20 min
May 4, 2:29 PM CDT	Special Weather Statement	JAN	Winston	46 min
May 4, 2:29 PM CDT	Severe Thunderstorm Warning	JAN	Webster	61 min
May 4, 2:30 PM CDT	Severe Thunderstorm Warning	JAN	Webster	60 min
May 4, 2:33 PM CDT	Severe Thunderstorm Warning	JAN	Winston	42 min
May 4, 2:35 PM CDT	Tornado Warning Tornado observed	JAN	Hinds, Madison, Rankin	25 min
May 4, 2:40 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Franklin, Jefferson Davis, Lawrence, Lincoln, Simpson	80 min
May 4, 2:44 PM CDT	Severe Thunderstorm Warning	JAN	Newton, Scott, Smith	46 min
May 4, 2:53 PM CDT	Tornado Warning Tornado observed	JAN	Rankin, Scott, Smith	18 min
May 4, 3:02 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	28 min
May 4, 3:03 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Oktibbeha, Winston	57 min
May 4, 3:08 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Neshoba	52 min
May 4, 3:09 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	51 min
May 4, 3:09 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Simpson, Smith	81 min
May 4, 3:18 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Noxubee	42 min
May 4, 3:20 PM CDT	Tornado Warning Tornado observed	JAN	Leake, Neshoba, Newton, Scott	40 min
May 4, 3:32 PM CDT	Tornado Warning	JAN	Clarke, Jasper	29 min
May 4, 3:36 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	54 min
May 4, 3:38 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Jones, Lamar, Lawrence, Lincoln and 1 more	82 min
May 4, 3:49 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes, Noxubee	29 min
May 4, 3:50 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	55 min
May 4, 3:51 PM CDT	Areal Flood Warning	JAN	Washington	6 hr
May 4, 3:58 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	32 min
May 4, 4:26 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones, Lamar, Marion	94 min

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.