Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 296, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Dec 29, 2021, 7:18 PM CST for Kemper County, Noxubee County, Mississippi. It was in force for 14 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
- Dec 29, 2021, 7:18 PM CST (01:18 UTC)
- Expired
- Dec 29, 2021, 7:32 PM CST
- In force
- 14 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kemper County, MS, Noxubee County, MS
The radar
The Columbus AFB radar (KGWX), 109 km from the middle of the area, began a volume at 01:20 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 nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 1.3 hours before the alert went out and 153 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
- 179 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1065 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
688 WUUS54 KJAN 300118 SVRJAN MSC069-103-300145- /O.NEW.KJAN.SV.W.0296.211230T0118Z-211230T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Jackson MS 718 PM CST Wed Dec 29 2021 The National Weather Service in Jackson has issued a * Severe Thunderstorm Warning for... Southeastern Noxubee County in east central Mississippi... Northeastern Kemper County in east central Mississippi... * Until 745 PM CST. * At 718 PM CST, a severe thunderstorm was located near Cooksville, or 18 miles southwest of Aliceville, moving east at 45 mph. HAZARD...60 mph wind gusts and penny 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3285 8836 3285 8844 3300 8847 3303 8834 TIME...MOT...LOC 0118Z 262DEG 41KT 3292 8837 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JNE
1 follow-up statement
738
WWUS54 KJAN 300132
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
732 PM CST Wed Dec 29 2021
MSC069-103-300141-
/O.CAN.KJAN.SV.W.0296.000000T0000Z-211230T0145Z/
Noxubee MS-Kemper MS-
732 PM CST Wed Dec 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NOXUBEE AND
NORTHEASTERN KEMPER COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3285 8836 3285 8844 3300 8847 3303 8834
TIME...MOT...LOC 0125Z 262DEG 41KT 3294 8818
$$
JNEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 10:31 PM CST | Special Weather Statement | JAN | Noxubee | 14 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.