Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 286, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 27, 2021, 4:16 PM CDT for Claiborne County, Mississippi. It was in force for 44 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
- Oct 27, 2021, 4:16 PM CDT (21:16 UTC)
- Expired
- Oct 27, 2021, 5:00 PM CDT
- In force
- 44 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Claiborne County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 94 km from the middle of the area, began a volume at 21:19 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
Jackson, MS (KJAN), launched 12:00Z, 9.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2345 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
076
WUUS54 KJAN 272116
SVRJAN
MSC021-272200-
/O.NEW.KJAN.SV.W.0286.211027T2116Z-211027T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
416 PM CDT Wed Oct 27 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Claiborne County in southwestern Mississippi...
* Until 500 PM CDT.
* At 415 PM CDT, severe thunderstorms were located along a line
extending from near Lake Bruin to Lorman, moving northeast at 40
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Port Gibson and Pattison around 430 PM CDT.
Hermanville around 440 PM CDT.
Rocky Springs around 450 PM CDT.
Reganton around 455 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3199 9111 3202 9108 3205 9114 3205 9108
3208 9108 3211 9103 3208 9092 3213 9091
3212 9088 3213 9084 3216 9085 3214 9082
3215 9077 3218 9079 3222 9073 3179 9074
3178 9084 3183 9084 3187 9113 3197 9118
TIME...MOT...LOC 2115Z 230DEG 37KT 3200 9117 3181 9107
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DL2 follow-up statements
073
WWUS54 KJAN 272141 RRA
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
441 PM CDT Wed Oct 27 2021
MSC021-272200-
/O.CON.KJAN.SV.W.0286.000000T0000Z-211027T2200Z/
Claiborne MS-
441 PM CDT Wed Oct 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR EASTERN CLAIBORNE COUNTY...
At 441 PM CDT, severe thunderstorms were located along a line
extending from near Rocky Springs to near Hermanville, moving
northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Rocky Springs around 445 PM CDT.
Reganton around 455 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3198 9090 3208 9092 3213 9091 3212 9088
3213 9084 3216 9085 3214 9082 3215 9077
3218 9079 3222 9073 3179 9074 3178 9084
3183 9084 3184 9089
TIME...MOT...LOC 2141Z 241DEG 35KT 3210 9089 3191 9079
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DL837
WWUS54 KJAN 272150
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
450 PM CDT Wed Oct 27 2021
MSC021-272200-
/O.EXP.KJAN.SV.W.0286.000000T0000Z-211027T2200Z/
Claiborne MS-
450 PM CDT Wed Oct 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CLAIBORNE COUNTY WILL
EXPIRE AT 500 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.
LAT...LON 3198 9090 3208 9092 3213 9091 3212 9088
3213 9084 3216 9085 3214 9082 3215 9077
3218 9079 3222 9073 3179 9074 3178 9084
3183 9084 3184 9089
TIME...MOT...LOC 2150Z 230DEG 37KT 3216 9081 3197 9071
$$
DLThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 2:30 PM CDT | Severe Thunderstorm Warning | JAN | Adams | 75 min |
| Oct 27, 3:38 PM CDT | Severe Thunderstorm Warning | JAN | Adams, Franklin, Jefferson | 67 min |
| Oct 27, 4:45 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 45 min |
| Oct 27, 5:16 PM CDT | Special Weather Statement | JAN | Copiah, Hinds, Jefferson Davis, Lawrence, Rankin, Simpson | 74 min |
| Oct 27, 6:08 PM CDT | Special Weather Statement | JAN | Forrest, Lamar, Marion | 67 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.