Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 19, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 17, 2021, 1:00 PM CDT for Kemper County, Lauderdale County, Noxubee County, Mississippi. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2021, 1:00 PM CDT (18:00 UTC)
- Expired
- Mar 17, 2021, 1:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Kemper County, MS, Lauderdale County, MS, Noxubee County, MS
The radar
The Columbus AFB radar (KGWX), 131 km from the middle of the area, began a volume at 18:00 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 17, 11:36 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 6.0 hours before the alert went out and 157 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
- 687 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.9
The text
As transmitted.
794 WUUS54 KJAN 171800 SVRJAN MSC069-075-103-171845- /O.NEW.KJAN.SV.W.0019.210317T1800Z-210317T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Jackson MS 100 PM CDT Wed Mar 17 2021 The National Weather Service in Jackson has issued a * Severe Thunderstorm Warning for... Southeastern Noxubee County in east central Mississippi... Eastern Kemper County in east central Mississippi... Northern Lauderdale County in east central Mississippi... * Until 145 PM CDT. * At 100 PM CDT, a severe thunderstorm was located near Porterville, or 14 miles north of Lauderdale, moving north at 45 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Cooksville and Paulette around 125 PM CDT. Other locations impacted by this severe thunderstorm include Scooba. 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 700 PM CDT for east central Mississippi. LAT...LON 3245 8841 3246 8881 3315 8843 3313 8832 TIME...MOT...LOC 1800Z 197DEG 41KT 3272 8843 HAIL...0.88IN WIND...60MPH $$ TW
2 follow-up statements
720
WWUS54 KJAN 171817
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
117 PM CDT Wed Mar 17 2021
MSC075-171826-
/O.CAN.KJAN.SV.W.0019.000000T0000Z-210317T1845Z/
Lauderdale MS-
117 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LAUDERDALE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for east central
Mississippi.
LAT...LON 3258 8839 3258 8874 3315 8843 3313 8832
TIME...MOT...LOC 1816Z 197DEG 41KT 3290 8836
$$
MSC069-103-171845-
/O.CON.KJAN.SV.W.0019.000000T0000Z-210317T1845Z/
Noxubee MS-Kemper MS-
117 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT
FOR SOUTHEASTERN NOXUBEE AND EASTERN KEMPER COUNTIES...
At 116 PM CDT, a severe thunderstorm was located near Cooksville, or
19 miles southwest of Aliceville, moving north at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Cooksville and Paulette around 125 PM CDT.
Other locations impacted by this severe thunderstorm include Scooba.
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 700 PM CDT for east central
Mississippi.
LAT...LON 3258 8839 3258 8874 3315 8843 3313 8832
TIME...MOT...LOC 1816Z 197DEG 41KT 3290 8836
HAIL...0.88IN
WIND...60MPH
$$
TW435 WWUS54 KJAN 171828 SVSJAN Severe Weather Statement National Weather Service Jackson MS 128 PM CDT Wed Mar 17 2021 MSC069-103-171845- /O.CON.KJAN.SV.W.0019.000000T0000Z-210317T1845Z/ Noxubee MS-Kemper MS- 128 PM CDT Wed Mar 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR SOUTHEASTERN NOXUBEE AND NORTHEASTERN KEMPER COUNTIES... At 128 PM CDT, a severe thunderstorm was located over Cooksville, or 14 miles southwest of Aliceville, moving north at 45 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of southeastern Noxubee and northeastern Kemper Counties, including the following locations... Scooba. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && A Tornado Watch remains in effect until 700 PM CDT for east central Mississippi. LAT...LON 3278 8836 3279 8863 3315 8843 3313 8832 TIME...MOT...LOC 1828Z 195DEG 40KT 3301 8837 HAIL...0.88IN WIND...60MPH $$ TW
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 7:01 PM CDT | Tornado Warning | JAN | Copiah, Lawrence, Simpson | 31 min |
| Mar 16, 7:02 PM CDT | Severe Thunderstorm Warning | JAN | Attala | 36 min |
| Mar 16, 7:32 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence, Simpson | 58 min |
| Mar 16, 7:33 PM CDT | Special Weather Statement | JAN | Choctaw | 27 min |
| Mar 16, 8:29 PM CDT | Special Weather Statement | JAN | Simpson | 46 min |
| Mar 16, 8:49 PM CDT | Special Weather Statement | JAN | Kemper, Newton | 56 min |
| Mar 16, 9:50 PM CDT | Special Weather Statement | JAN | Lauderdale | 25 min |
| Mar 17, 6:05 AM CDT | Tornado Warning | JAN | Bolivar | 40 min |
| Mar 17, 6:44 AM CDT | Tornado Warning | JAN | Bolivar | 19 min |
| Mar 17, 11:37 AM CDT | Special Weather Statement | JAN | Jones | 38 min |
| Mar 17, 12:07 PM CDT | Tornado Warning | JAN | Clarke | 53 min |
| Mar 17, 12:22 PM CDT | Tornado Warning | JAN | Clarke, Lauderdale | 54 min |
| Mar 17, 12:50 PM CDT | Tornado Warning | JAN | Copiah, Lawrence, Lincoln | 55 min |
| Mar 17, 1:28 PM CDT | Tornado Warning | JAN | Jones | 15 min |
| Mar 17, 1:45 PM CDT | Tornado Warning | JAN | Jones | 21 min |
| Mar 17, 3:33 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Lawrence | 42 min |
| Mar 17, 4:10 PM CDT | Tornado Warning | JAN | Adams, Franklin | 50 min |
| Mar 17, 4:34 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Copiah, Hinds, Jefferson, Warren | 56 min |
| Mar 17, 4:45 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Washington | 60 min |
| Mar 17, 4:52 PM CDT | Tornado Warning | JAN | Copiah, Jefferson, Lincoln | 37 min |
| Mar 17, 4:56 PM CDT | Tornado Warning | JAN | Bolivar, Washington | 29 min |
| Mar 17, 5:15 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin, Yazoo | 64 min |
| Mar 17, 5:20 PM CDT | Tornado Warning | JAN | Jasper, Smith | 55 min |
| Mar 17, 5:45 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence, Marion | 34 min |
| Mar 17, 5:55 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Choctaw, Holmes, Leake, Montgomery, Neshoba and 2 more | 65 min |
| Mar 17, 6:05 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Neshoba, Newton, Scott | 55 min |
| Mar 17, 6:12 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Simpson, Smith | 48 min |
| Mar 17, 6:13 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 47 min |
| Mar 17, 6:28 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Jones | 48 min |
| Mar 17, 6:42 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Clay, Kemper, Lowndes, Neshoba, Noxubee and 3 more | 76 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.