Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 239, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 21, 2021, 6:55 PM CDT for Attala County, Holmes County, Mississippi. It was in force for 47 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
- Jun 21, 2021, 6:55 PM CDT (23:55 UTC)
- Expired
- Jun 21, 2021, 7:42 PM CDT
- In force
- 47 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Attala County, MS, Holmes County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 86 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 85 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
- 908 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
042
WUUS54 KJAN 212355
SVRJAN
MSC007-051-220100-
/O.NEW.KJAN.SV.W.0239.210621T2355Z-210622T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
655 PM CDT Mon Jun 21 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Southeastern Holmes County in central Mississippi...
Central Attala County in central Mississippi...
* Until 800 PM CDT.
* At 655 PM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Emory to near Durant to near
Pickens, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Durant around 705 PM CDT.
Possumneck around 720 PM CDT.
Hesterville around 725 PM CDT.
Mcadams around 730 PM CDT.
Newport around 735 PM CDT.
Kosciusko around 745 PM CDT.
Other locations impacted by these severe thunderstorms include West
and Sallis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3322 8976 3318 8947 3302 8954 3293 8960
3293 8973 3289 8973 3288 8977 3288 8994
3294 9011 3308 8997 3325 8990
TIME...MOT...LOC 2355Z 279DEG 19KT 3324 8982 3307 8989 3291 9000
HAIL...<.75IN
WIND...60MPH
$$
TW2 follow-up statements
377
WWUS54 KJAN 220027
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
727 PM CDT Mon Jun 21 2021
MSC051-220037-
/O.CAN.KJAN.SV.W.0239.000000T0000Z-210622T0100Z/
Holmes MS-
727 PM CDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOLMES COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3307 8952 3302 8954 3293 8960 3293 8973
3289 8973 3288 8977 3288 8985 3298 8981
3310 8973
TIME...MOT...LOC 0027Z 283DEG 23KT 3308 8959 3296 8963 3281 8977
$$
MSC007-220100-
/O.CON.KJAN.SV.W.0239.000000T0000Z-210622T0100Z/
Attala MS-
727 PM CDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTH CENTRAL ATTALA COUNTY...
At 727 PM CDT, severe thunderstorms were located along a line
extending from Kosciusko to near Mcadams to near Camden, moving east
at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Kosciusko around 730 PM CDT.
Other locations impacted by these severe thunderstorms include
Sallis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3307 8952 3302 8954 3293 8960 3293 8973
3289 8973 3288 8977 3288 8985 3298 8981
3310 8973
TIME...MOT...LOC 0027Z 283DEG 23KT 3308 8959 3296 8963 3281 8977
HAIL...<.75IN
WIND...60MPH
$$
TW872
WWUS54 KJAN 220042
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
742 PM CDT Mon Jun 21 2021
MSC007-220052-
/O.CAN.KJAN.SV.W.0239.000000T0000Z-210622T0100Z/
Attala MS-
742 PM CDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ATTALA COUNTY IS
CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 3307 8952 3302 8954 3293 8960 3293 8973
3289 8973 3288 8977 3288 8985 3298 8981
3310 8973
TIME...MOT...LOC 0039Z 279DEG 19KT 3307 8951 3295 8955 3280 8969
$$
TWThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:53 PM CDT | River Flood Advisory | JAN | Noxubee | 9 min |
| Jun 21, 3:09 PM CDT | Special Weather Statement | JAN | Newton | 36 min |
| Jun 21, 4:00 PM CDT | Special Weather Statement | JAN | Clarke | 45 min |
| Jun 21, 4:02 PM CDT | Special Weather Statement | JAN | Copiah | 43 min |
| Jun 21, 4:31 PM CDT | Special Weather Statement | JAN | Lauderdale | 44 min |
| Jun 21, 4:38 PM CDT | Special Weather Statement | JAN | Simpson | 52 min |
| Jun 21, 4:42 PM CDT | Special Weather Statement | JAN | Washington | 48 min |
| Jun 21, 5:10 PM CDT | Special Weather Statement | JAN | Rankin | 50 min |
| Jun 21, 5:34 PM CDT | Special Weather Statement | JAN | Issaquena, Sharkey | 41 min |
| Jun 21, 5:39 PM CDT | Special Weather Statement | JAN | Humphreys | 51 min |
| Jun 21, 5:56 PM CDT | Special Weather Statement | JAN | Madison | 49 min |
| Jun 21, 6:07 PM CDT | Special Weather Statement | JAN | Leake | 38 min |
| Jun 21, 6:11 PM CDT | Special Weather Statement | JAN | Holmes | 64 min |
| Jun 21, 6:14 PM CDT | Special Weather Statement | JAN | Yazoo | 61 min |
| Jun 21, 6:35 PM CDT | Special Weather Statement | JAN | Simpson | 55 min |
| Jun 21, 6:40 PM CDT | Special Weather Statement | JAN | Copiah | 35 min |
| Jun 21, 6:48 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Issaquena, Madison, Warren, Yazoo | 57 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.