Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 148, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 4, 2021, 2:40 PM CDT for 6 counties in Mississippi. It was in force for 80 min. 5 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, 2:40 PM CDT (19:40 UTC)
- Expired
- May 4, 2021, 4:00 PM CDT
- In force
- 80 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 70.0 mph
Counties Copiah County, MS, Franklin County, MS, Jefferson Davis County, MS, Lawrence County, MS, Lincoln County, MS, Simpson County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 86 km from the middle of the area, began a volume at 19:38 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, 3:00 PM CDT | TSTM WND DMG | Gallman, MS | SEVERAL TREES REPORTED DOWN IN GALLMAN. |
| May 4, 3:09 PM CDT | TSTM WND DMG | Hopewell, MS | TREE REPORTED DOWN IN HOPEWELL. |
| May 4, 3:35 PM CDT | TSTM WND DMG | 2 Ssw Zetus, MS | TREE DOWN ACROSS WATTS LANE REPORTED BY LINCOLN COUNTY EM. |
| May 4, 4:00 PM CDT | TSTM WND DMG | Monticello, MS | A LARGE TREE FELL AND TOOK DOWN A POWER LINE AND TWO OTHER POWER POLES ASSOCIATED WITH MAIN FEEDER LINES WENT DOWN RESULTING IN POWER OUTAGES TO MOST OF MONTICELLO...REPORTED BY LAWRENCE COUNTY EM. |
| May 4, 4:00 PM CDT | TSTM WND DMG | Monticello, MS | LARGE LIMB FELL AND WENT THROUGH THE ROOF OF A HOUSE...REPORTED BY LAWRENCE COUNTY EM. |
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 |
| May 4, 10:52 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.7 hours before the alert went out and 87 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.
- 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
The text
As transmitted.
315
WUUS54 KJAN 041940
SVRJAN
MSC029-037-065-077-085-127-042100-
/O.NEW.KJAN.SV.W.0148.210504T1940Z-210504T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
240 PM CDT Tue May 4 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Southern Simpson County in central Mississippi...
Lincoln County in south central Mississippi...
Lawrence County in south central Mississippi...
Eastern Franklin County in southwestern Mississippi...
Copiah County in central Mississippi...
Western Jefferson Davis County in south central Mississippi...
* Until 400 PM CDT.
* At 240 PM CDT, severe thunderstorms were located along a line
extending from near Carpenter to 8 miles northeast of Woodville,
moving east at 60 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Dentville around 250 PM CDT.
Hazlehurst around 255 PM CDT.
Crystal Springs and Gallman around 300 PM CDT.
Hopewell around 310 PM CDT.
Union around 315 PM CDT.
Sanatorium around 335 PM CDT.
Other locations impacted by these severe thunderstorms include New
Hebron, Silver Creek, Beauregard and Georgetown.
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 PM CDT for central, south
central and southeastern Mississippi. A Tornado Watch also remains in
effect until 600 PM CDT for southwestern Mississippi.
LAT...LON 3161 9077 3161 9074 3173 9074 3196 9066
3195 8969 3139 8989 3140 9004 3135 9004
3135 9086
TIME...MOT...LOC 1940Z 267DEG 54KT 3197 9069 3119 9119
HAIL...0.88IN
WIND...70MPH
$$
TW3 follow-up statements
886
WWUS54 KJAN 042020
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
320 PM CDT Tue May 4 2021
MSC029-037-065-077-085-127-042100-
/O.CON.KJAN.SV.W.0148.000000T0000Z-210504T2100Z/
Simpson MS-Lincoln MS-Lawrence MS-Franklin MS-Copiah MS-
Jefferson Davis MS-
320 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHERN SIMPSON...LINCOLN...LAWRENCE...EASTERN FRANKLIN...
SOUTHEASTERN COPIAH AND WESTERN JEFFERSON DAVIS COUNTIES...
At 320 PM CDT, severe thunderstorms were located along a line
extending from near Piney Woods to 7 miles southwest of Smithdale,
moving east at 60 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
These severe storms will be near...
Center Point around 330 PM CDT.
Ruth around 350 PM CDT.
Jayess and Topeka around 355 PM CDT.
Tilton around 405 PM CDT.
Oak Vale around 410 PM CDT.
Society Hill around 415 PM CDT.
Other locations impacted by these severe thunderstorms include New
Hebron, Silver Creek, Beauregard and Georgetown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 400 PM CDT for central, south
central and southeastern Mississippi. A Tornado Watch also remains in
effect until 600 PM CDT for southwestern Mississippi.
LAT...LON 3195 9018 3195 8969 3139 8989 3140 9004
3135 9004 3135 9086 3174 9055
TIME...MOT...LOC 2020Z 264DEG 51KT 3200 8998 3128 9078
HAIL...0.88IN
WIND...70MPH
$$
TW706
WWUS54 KJAN 042035
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
335 PM CDT Tue May 4 2021
MSC037-042045-
/O.CAN.KJAN.SV.W.0148.000000T0000Z-210504T2100Z/
Franklin MS-
335 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FRANKLIN 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 1000 PM CDT for south central
and southeastern Mississippi.
LAT...LON 3135 9063 3151 9063 3195 8996 3195 8969
3139 8989 3140 9004 3135 9004
TIME...MOT...LOC 2035Z 278DEG 43KT 3201 8974 3129 9054
$$
MSC029-065-077-085-127-042100-
/O.CON.KJAN.SV.W.0148.000000T0000Z-210504T2100Z/
Simpson MS-Lincoln MS-Lawrence MS-Copiah MS-Jefferson Davis MS-
335 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHERN SIMPSON...LINCOLN...LAWRENCE...SOUTHEASTERN COPIAH AND
WESTERN JEFFERSON DAVIS COUNTIES...
At 335 PM CDT, severe thunderstorms were located along a line
extending from near Martinville to near Summit, moving east at 50
mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
These severe thunderstorms will remain over mainly rural areas of
southern Simpson, Lincoln, Lawrence, southeastern Copiah and western
Jefferson Davis Counties, including the following locations... New
Hebron and Silver Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 1000 PM CDT for south central
and southeastern Mississippi.
LAT...LON 3135 9063 3151 9063 3195 8996 3195 8969
3139 8989 3140 9004 3135 9004
TIME...MOT...LOC 2035Z 278DEG 43KT 3201 8974 3129 9054
HAIL...0.88IN
WIND...70MPH
$$
TW568
WWUS54 KJAN 042041 RRA
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
341 PM CDT Tue May 4 2021
MSC029-042051-
/O.CAN.KJAN.SV.W.0148.000000T0000Z-210504T2100Z/
Copiah MS-
341 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COPIAH 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 1000 PM CDT for south central
and southeastern Mississippi.
LAT...LON 3135 9063 3147 9063 3195 8969 3139 8989
3140 9004 3135 9004
TIME...MOT...LOC 2041Z 296DEG 31KT 3201 8964 3129 9044
$$
MSC065-077-085-127-042100-
/O.CON.KJAN.SV.W.0148.000000T0000Z-210504T2100Z/
Simpson MS-Lincoln MS-Lawrence MS-Jefferson Davis MS-
341 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHEASTERN SIMPSON...SOUTHERN LINCOLN...LAWRENCE AND WESTERN
JEFFERSON DAVIS COUNTIES...
At 341 PM CDT, severe thunderstorms were located along a line
extending from near White Oak to Summit, moving southeast at 35 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Brookhaven, Magee, Monticello, Prentiss, Enterprise, Topeka, Bogue
Chitto, West Lincoln, Clem, Sanatorium, Robinwood, Jayess, Center
Point, Shivers, Sontag, Wanilla, Progress, Tilton, East Lincoln and
Ruth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 1000 PM CDT for south central
and southeastern Mississippi.
LAT...LON 3135 9063 3147 9063 3195 8969 3139 8989
3140 9004 3135 9004
TIME...MOT...LOC 2041Z 296DEG 31KT 3201 8964 3129 9044
HAIL...0.88IN
WIND...70MPH
$$
TWThe 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, 2:09 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Holmes, Leake, Madison, Rankin, Scott and 1 more | 66 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 | JAN | Hinds, Madison, Rankin | 25 min |
| May 4, 2:44 PM CDT | Severe Thunderstorm Warning | JAN | Newton, Scott, Smith | 46 min |
| May 4, 2:53 PM CDT | Tornado Warning | 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 | 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, 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.