Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 60, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 30, 2021, 7:00 PM CDT for East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas. It was in force for 60 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 30, 2021, 7:00 PM CDT (00:00 UTC)
- Expired
- Mar 30, 2021, 8:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Chicot County, AR, East Carroll Parish, LA, West Carroll Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 147 km from the middle of the area, began a volume at 00:06 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 00:00Z, 0.0 hours before the alert went out and 137 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
- 844 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.2
The text
As transmitted.
234
WUUS54 KJAN 310000
SVRJAN
ARC017-LAC035-123-310100-
/O.NEW.KJAN.SV.W.0060.210331T0000Z-210331T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
700 PM CDT Tue Mar 30 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Southwestern Chicot County in southeastern Arkansas...
North central East Carroll Parish in northeastern Louisiana...
Northern West Carroll Parish in northeastern Louisiana...
* Until 800 PM CDT.
* At 700 PM CDT, a severe thunderstorm was located near Oak Grove, or
15 miles west of Lake Providence, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Oak Grove, Millikin, Goodwill, Shelburn, Gassoway, Kilbourne and
Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3285 9157 3289 9150 3294 9148 3297 9144
3301 9144 3301 9146 3304 9146 3312 9140
3302 9116 3299 9117 3298 9114 3299 9110
3296 9113 3298 9116 3297 9119 3293 9121
3291 9119 3275 9137 3277 9160 3278 9160
TIME...MOT...LOC 0000Z 225DEG 21KT 3280 9146
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
DL1 follow-up statement
404
WWUS54 KJAN 310043
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
743 PM CDT Tue Mar 30 2021
ARC017-LAC123-310053-
/O.CAN.KJAN.SV.W.0060.000000T0000Z-210331T0100Z/
Chicot AR-West Carroll LA-
743 PM CDT Tue Mar 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CHICOT COUNTY IN
SOUTHEASTERN ARKANSAS AND NORTHERN WEST CARROLL PARISHES IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3300 9124 3300 9117 3299 9117 3298 9114
3299 9110 3296 9113 3297 9114 3299 9118
3296 9120 3295 9120 3293 9121 3290 9120
3289 9121 3283 9128 3284 9130
TIME...MOT...LOC 0043Z 238DEG 20KT 3293 9123
$$
LAC035-310100-
/O.CON.KJAN.SV.W.0060.000000T0000Z-210331T0100Z/
East Carroll LA-
743 PM CDT Tue Mar 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTH CENTRAL EAST CARROLL PARISH...
At 743 PM CDT, a severe thunderstorm was located over Millikin, or 8
miles north of Lake Providence, moving northeast at 25 mph. In
addition, a Tornado Warning remains in effect for this area.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Shelburn, Gassoway and Millikin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3300 9124 3300 9117 3299 9117 3298 9114
3299 9110 3296 9113 3297 9114 3299 9118
3296 9120 3295 9120 3293 9121 3290 9120
3289 9121 3283 9128 3284 9130
TIME...MOT...LOC 0043Z 238DEG 20KT 3293 9123
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
DLThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 7:16 PM CDT | Tornado Warning | JAN | East Carroll, West Carroll | 47 min |
| Mar 30, 9:16 PM CDT | Tornado Warning | JAN | Morehouse | 44 min |
| Mar 31, 2:57 AM CDT | Wind Advisory | JAN | Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more | 17 hr |
| Mar 31, 7:48 AM CDT | Special Weather Statement | JAN | West Carroll | 27 min |
| Mar 30, 10:04 PM CDT | Special Weather Statement | JAN | Ashley | 41 min |
| Mar 31, 3:34 AM CDT | Special Weather Statement | JAN | Chicot | 26 min |
| Mar 31, 4:03 AM CDT | Special Weather Statement | JAN | Chicot | 57 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2021Severe Thunderstorm Warnings in Arkansas, 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.