Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 247, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 1, 2021, 11:16 AM CDT for Clay County, Lowndes County, Oktibbeha County, Mississippi. It was in force for 59 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
- Aug 1, 2021, 11:16 AM CDT (16:16 UTC)
- Expired
- Aug 1, 2021, 12:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, MS, Lowndes County, MS, Oktibbeha County, MS
The radar
The Columbus AFB radar (KGWX), 59 km from the middle of the area, began a volume at 16:17 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 12:00Z, 4.3 hours before the alert went out and 179 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
- 1867 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
795
WUUS54 KJAN 011616
SVRJAN
MSC025-087-105-011715-
/O.NEW.KJAN.SV.W.0247.210801T1616Z-210801T1715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1116 AM CDT Sun Aug 1 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Oktibbeha County in northeastern Mississippi...
Southwestern Clay County in northeastern Mississippi...
Southwestern Lowndes County in northeastern Mississippi...
* Until 1215 PM CDT.
* At 1116 AM CDT, a severe thunderstorm was located near Starkville,
moving southeast 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...
Starkville and Muldrow around 1120 AM CDT.
Sessums around 1135 AM CDT.
Oktoc around 1145 AM CDT.
Crawford around 1200 PM CDT.
Other locations impacted by this severe thunderstorm include Artesia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3329 8841 3329 8893 3355 8896 3365 8881
3358 8866 3350 8855
TIME...MOT...LOC 1616Z 320DEG 23KT 3352 8881
HAIL...1.00IN
WIND...60MPH
$$
EC1 follow-up statement
150
WWUS54 KJAN 011645
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
1145 AM CDT Sun Aug 1 2021
MSC025-011655-
/O.CAN.KJAN.SV.W.0247.000000T0000Z-210801T1715Z/
Clay MS-
1145 AM CDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CLAY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3329 8841 3329 8893 3340 8894 3341 8867
3350 8855
TIME...MOT...LOC 1645Z 322DEG 21KT 3334 8861
$$
MSC087-105-011715-
/O.CON.KJAN.SV.W.0247.000000T0000Z-210801T1715Z/
Oktibbeha MS-Lowndes MS-
1145 AM CDT Sun Aug 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR SOUTHEASTERN OKTIBBEHA AND SOUTHWESTERN LOWNDES COUNTIES...
At 1145 AM CDT, a severe thunderstorm was located over Crawford, or
14 miles southeast of Starkville, moving southeast 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 remain over mainly rural areas of
southeastern Oktibbeha and southwestern Lowndes Counties, including
the following locations... Artesia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3329 8841 3329 8893 3340 8894 3341 8867
3350 8855
TIME...MOT...LOC 1645Z 322DEG 21KT 3334 8861
HAIL...1.00IN
WIND...60MPH
$$
ECThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 10:45 AM CDT | Special Weather Statement | JAN | Clay | 45 min |
| Aug 1, 12:06 PM CDT | Special Weather Statement | JAN | Noxubee | 54 min |
| Aug 1, 12:28 PM CDT | Special Weather Statement | JAN | Rankin | 47 min |
| Aug 1, 1:09 PM CDT | Special Weather Statement | JAN | Choctaw | 66 min |
| Aug 1, 2:54 PM CDT | Special Weather Statement | JAN | Attala | 51 min |
| Aug 1, 3:05 PM CDT | Special Weather Statement | JAN | Warren | 55 min |
| Aug 1, 3:18 PM CDT | Special Weather Statement | JAN | Choctaw | 42 min |
| Aug 1, 3:21 PM CDT | Special Weather Statement | JAN | Jasper | 39 min |
| Aug 1, 5:34 PM CDT | Special Weather Statement | JAN | Montgomery | 41 min |
| Aug 1, 5:38 PM CDT | Special Weather Statement | JAN | Madison | 52 min |
| Aug 1, 6:03 PM CDT | Special Weather Statement | JAN | Newton | 27 min |
| Aug 1, 6:28 PM CDT | Special Weather Statement | JAN | Attala | 47 min |
| Aug 1, 6:36 PM CDT | Special Weather Statement | JAN | Clay | 39 min |
| Aug 1, 6:47 PM CDT | Special Weather Statement | JAN | Leake | 43 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.