Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 139, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 4, 2021, 1:44 PM CDT for Carroll County, Grenada County, Montgomery County, Mississippi. It was in force for 75 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, 1:44 PM CDT (18:44 UTC)
- Expired
- May 4, 2021, 2:59 PM CDT
- In force
- 75 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Carroll County, MS, Grenada County, MS, Montgomery County, MS
The radar
The Columbus AFB radar (KGWX), 151 km from the middle of the area, began a volume at 18:49 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, 1:46 PM CDT | HAIL 1 | Carrollton, MS | |
| May 4, 1:48 PM CDT | TSTM WND GST 58 | 2 Wsw Valley Hill, MS | |
| May 4, 2:10 PM CDT | TSTM WND DMG | 4 Sse Holcomb, MS | SWATH OF WIND DAMAGE FROM A MICROBURST OCCURRED IN THE SWEETHOME COMMUNITY. MULTIPLE TREES WERE DAMAGED, ESP ALONG SWEETHOME ROAD, POWER LINES WERE DOWN AND A METAL SHED HAD THE ROOF TORN OFF. THIS SWATH OF WIND DAMAGE WAS ROUGHLY 3-4 MILES LONG AND A MILE WID |
| May 4, 2:10 PM CDT | TSTM WND DMG | 5 Se Holcomb, MS | SWEETHOME RD BLOCKED BY DOWNED TREES. |
| May 4, 2:21 PM CDT | TSTM WND DMG | Grenada, MS | TREES AND POWER LINES DOWNED IN GRENADA AND ACROSS THE WESTERN PORTION OF GRENADA COUNTY. |
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
Little Rock, AR (KLZK), launched 12:00Z, 6.7 hours before the alert went out and 131 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
- 10 J/kg
- Mixed-layer CIN
- -373 J/kg
- Mixed-layer LCL
- 1101 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
719
WUUS54 KJAN 041844
SVRJAN
MSC015-043-097-042015-
/O.NEW.KJAN.SV.W.0139.210504T1844Z-210504T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
144 PM CDT Tue May 4 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Carroll County in north central Mississippi...
Grenada County in north central Mississippi...
Montgomery County in north central Mississippi...
* Until 315 PM CDT.
* At 144 PM CDT, a severe thunderstorm was located near Winona,
moving north at 30 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...
Jefferson and Duck Hill around 155 PM CDT.
Elliott around 200 PM CDT.
Grenada and Bew Springs around 215 PM CDT.
Other locations impacted by this severe thunderstorm include
Carrollton.
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 and
north central Mississippi. A Tornado Watch also remains in effect
until 600 PM CDT for north central Mississippi.
LAT...LON 3387 8977 3387 8951 3348 8951 3340 8965
3333 9017 3342 9017 3342 9014 3346 9013
3346 9010 3365 9010 3368 9014 3381 9014
3381 8998 3382 8993 3389 8992 3390 8977
TIME...MOT...LOC 1844Z 179DEG 26KT 3356 8981
HAIL...1.00IN
WIND...60MPH
$$
CME4 follow-up statements
645
WWUS54 KJAN 041917
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
217 PM CDT Tue May 4 2021
MSC015-043-097-042015-
/O.CON.KJAN.SV.W.0139.000000T0000Z-210504T2015Z/
Carroll MS-Grenada MS-Montgomery MS-
217 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR CARROLL...GRENADA AND MONTGOMERY COUNTIES...
At 217 PM CDT, a severe thunderstorm was located near Jefferson, or 8
miles northwest of Winona, moving east at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
This severe storm will be near...
Duck Hill and Elliott around 225 PM CDT.
Sweatman, Lodi and Misterton around 235 PM CDT.
Other locations impacted by this severe thunderstorm include
Carrollton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 400 PM CDT for central and
north central Mississippi. A Tornado Watch also remains in effect
until 600 PM CDT for north central Mississippi.
LAT...LON 3387 8977 3387 8951 3348 8951 3340 8965
3333 9017 3342 9017 3342 9014 3346 9013
3346 9010 3365 9010 3368 9014 3381 9014
3381 8998 3382 8993 3389 8992 3390 8977
TIME...MOT...LOC 1917Z 264DEG 45KT 3359 8982
HAIL...<.75IN
WIND...70MPH
$$
CME877
WWUS54 KJAN 041927
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
227 PM CDT Tue May 4 2021
MSC015-043-097-042015-
/O.CON.KJAN.SV.W.0139.000000T0000Z-210504T2015Z/
Carroll MS-Grenada MS-Montgomery MS-
227 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR CENTRAL CARROLL...GRENADA AND MONTGOMERY COUNTIES...
At 227 PM CDT, a severe thunderstorm was located near Elliott, or 10
miles southeast of Grenada, moving east at 55 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
This severe thunderstorm will remain over mainly rural areas of
central Carroll, Grenada and Montgomery Counties, including the
following locations... Carrollton.
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 and
north central Mississippi. A Tornado Watch also remains in effect
until 600 PM CDT for north central Mississippi.
LAT...LON 3387 8977 3387 8951 3348 8951 3340 8965
3333 9017 3357 8997 3381 8998 3382 8993
3389 8992 3390 8977
TIME...MOT...LOC 1927Z 261DEG 47KT 3369 8967
HAIL...<.75IN
WIND...70MPH
$$
CME106
WWUS54 KJAN 041947
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
247 PM CDT Tue May 4 2021
MSC015-041956-
/O.CAN.KJAN.SV.W.0139.000000T0000Z-210504T2015Z/
Carroll MS-
247 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CARROLL COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 PM CDT for north central
Mississippi. A Tornado Watch also remains in effect until 600 PM CDT
for north central Mississippi.
LAT...LON 3348 8951 3345 8957 3341 8972 3342 8976
3342 8977 3366 8971 3386 8968 3387 8952
3387 8951
TIME...MOT...LOC 1946Z 256DEG 40KT 3355 8955
$$
MSC043-097-042015-
/O.CON.KJAN.SV.W.0139.000000T0000Z-210504T2015Z/
Grenada MS-Montgomery MS-
247 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR EASTERN GRENADA AND NORTHWESTERN MONTGOMERY COUNTIES...
At 246 PM CDT, a severe thunderstorm was located over Lodi, or 10
miles northeast of Winona, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Winona, Duck Hill, Gore Springs, Sweatman, Lodi and Misterton.
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 north central
Mississippi. A Tornado Watch also remains in effect until 600 PM CDT
for north central Mississippi.
LAT...LON 3348 8951 3345 8957 3341 8972 3342 8976
3342 8977 3366 8971 3386 8968 3387 8952
3387 8951
TIME...MOT...LOC 1946Z 256DEG 40KT 3355 8955
HAIL...<.75IN
WIND...60MPH
$$
CME261
WWUS54 KJAN 041959
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
259 PM CDT Tue May 4 2021
MSC043-097-042009-
/O.CAN.KJAN.SV.W.0139.000000T0000Z-210504T2015Z/
Grenada MS-Montgomery MS-
259 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GRENADA AND
NORTHWESTERN MONTGOMERY COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 PM CDT for north central
Mississippi. A Tornado Watch also remains in effect until 600 PM CDT
for north central Mississippi.
LAT...LON 3348 8951 3345 8957 3341 8972 3342 8976
3342 8977 3366 8971 3386 8968 3387 8952
3387 8951
TIME...MOT...LOC 1957Z 179DEG 26KT 3363 8953
$$
CMEThe 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, 1:52 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, 2:40 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 | 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.