Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 56, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 28, 2021, 2:39 AM CDT for Choctaw County, Montgomery County, Webster County, Mississippi. It was in force for 36 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 28, 2021, 2:39 AM CDT (07:39 UTC)
- Expired
- Mar 28, 2021, 3:15 AM CDT
- In force
- 36 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Choctaw County, MS, Montgomery County, MS, Webster County, MS
The radar
The Columbus AFB radar (KGWX), 93 km from the middle of the area, began a volume at 07:38 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 27, 9:01 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 7.7 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
- 894 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 8.7
The text
As transmitted.
780
WUUS54 KJAN 280739
SVRJAN
MSC019-097-155-280815-
/O.NEW.KJAN.SV.W.0056.210328T0739Z-210328T0815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
239 AM CDT Sun Mar 28 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Northern Choctaw County in central Mississippi...
Central Webster County in north central Mississippi...
East central Montgomery County in north central Mississippi...
* Until 315 AM CDT.
* At 238 AM CDT, a severe thunderstorm was located near Lodi, or 14
miles east of Winona, moving east at 50 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...
Eupora around 255 AM CDT.
Sherwood around 300 AM CDT.
Mathiston and Clarkson around 305 AM CDT.
Other locations impacted by this severe thunderstorm include
Walthall.
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 400 AM CDT for central and
north central Mississippi.
LAT...LON 3356 8909 3347 8909 3341 8952 3353 8957
3374 8908
TIME...MOT...LOC 0738Z 247DEG 42KT 3349 8947
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
EC1 follow-up statement
558
WWUS54 KJAN 280802
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
302 AM CDT Sun Mar 28 2021
MSC019-097-155-280815-
/O.CON.KJAN.SV.W.0056.000000T0000Z-210328T0815Z/
Choctaw MS-Webster MS-Montgomery MS-
302 AM CDT Sun Mar 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR NORTHERN CHOCTAW...CENTRAL WEBSTER AND EAST CENTRAL MONTGOMERY
COUNTIES...
At 301 AM CDT, a severe thunderstorm was located near Mathiston, or
17 miles southwest of Montpelier, moving east at 45 mph. In
addition, strong storms that could become severe were moving near
Kilmichael into southwest Webster County.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Clarkson around 305 AM CDT.
Other locations impacted by this severe thunderstorm include
Walthall.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 400 AM CDT for central and
north central Mississippi.
LAT...LON 3356 8909 3347 8909 3341 8952 3353 8957
3374 8908
TIME...MOT...LOC 0801Z 247DEG 40KT 3358 8919
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
ECThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 9:36 PM CDT | Tornado Warning | JAN | Bolivar | 36 min |
| Mar 27, 10:59 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower | 61 min |
| Mar 27, 11:22 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 53 min |
| Mar 27, 11:31 PM CDT | Tornado Warning | JAN | Bolivar, Sunflower | 44 min |
| Mar 28, 12:11 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Washington | 27 min |
| Mar 28, 1:20 AM CDT | Special Weather Statement | JAN | Holmes | 25 min |
| Mar 28, 1:30 AM CDT | Special Weather Statement | JAN | Grenada | 30 min |
| Mar 28, 2:03 AM CDT | Special Weather Statement | JAN | Carroll | 27 min |
| Mar 28, 2:11 AM CDT | Severe Thunderstorm Warning | JAN | Carroll, Montgomery, Webster | 49 min |
| Mar 28, 3:08 AM CDT | Severe Thunderstorm Warning | JAN | Clay, Webster | 52 min |
| Mar 28, 3:24 AM CDT | Special Weather Statement | JAN | Oktibbeha | 36 min |
| Mar 28, 3:42 AM CDT | Severe Thunderstorm Warning | JAN | Clay, Lowndes | 32 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.