Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 5:47 PM CDT for Morehouse Parish, Richland Parish, West Carroll Parish, Louisiana. It was in force for 88 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 9, 2021, 5:47 PM CDT (22:47 UTC)
- Expired
- Apr 9, 2021, 7:15 PM CDT
- In force
- 88 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Morehouse Parish, LA, Richland Parish, LA, West Carroll Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 160 km from the middle of the area, began a volume at 22:48 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 6:20 PM CDT | TSTM WND DMG | 2 N Bastrop, LA | EMERGENCY MANAGER REPORTS TREE DOWN NEAR NORTHERN BASTROP CITY LIMITS ALONG CHERRY RIDGE RD. |
| Apr 9, 6:25 PM CDT | HAIL 1.75 | Collinston, LA | EMERGENCY MANAGER REPORTS HAIL TO GOLF BALL SIZE IN COLLINSTON. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 9, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.8 hours before the alert went out and 150 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
- 1659 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 787 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted.
508
WUUS54 KJAN 092247
SVRJAN
LAC067-083-123-100015-
/O.NEW.KJAN.SV.W.0078.210409T2247Z-210410T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
547 PM CDT Fri Apr 9 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Morehouse Parish in northeastern Louisiana...
Northern Richland Parish in northeastern Louisiana...
West Carroll Parish in northeastern Louisiana...
* Until 715 PM CDT.
* At 547 PM CDT, a severe thunderstorm was located 7 miles west of
Sterlington, or 7 miles north of Claiborne, moving east at 45 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Bastrop around 610 PM CDT.
Goodwill around 635 PM CDT.
Darnell around 645 PM CDT.
Oak Grove around 650 PM CDT.
Other locations impacted by this severe thunderstorm include Forest,
Collinston, Mer Rouge, Pioneer, Oak Ridge and Epps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3294 9131 3293 9130 3287 9131 3284 9135
3275 9134 3269 9140 3261 9140 3258 9145
3254 9144 3253 9147 3250 9148 3246 9195
3252 9190 3256 9193 3266 9191 3271 9197
3271 9206 3272 9206 3286 9207
TIME...MOT...LOC 2247Z 259DEG 39KT 3266 9218
HAIL...1.50IN
WIND...60MPH
$$
TW4 follow-up statements
918
WWUS54 KJAN 092312
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
612 PM CDT Fri Apr 9 2021
LAC067-083-123-100015-
/O.CON.KJAN.SV.W.0078.000000T0000Z-210410T0015Z/
Morehouse LA-Richland LA-West Carroll LA-
612 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR MOREHOUSE...NORTHERN RICHLAND AND WEST CARROLL PARISHES...
At 612 PM CDT, a severe thunderstorm was located near Bastrop, moving
east at 45 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe storm will be near...
Goodwill around 640 PM CDT.
Darnell around 650 PM CDT.
Oak Grove around 655 PM CDT.
Other locations impacted by this severe thunderstorm include Forest,
Collinston, Mer Rouge, Pioneer, Oak Ridge and Epps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3294 9131 3293 9130 3287 9131 3284 9135
3275 9134 3269 9140 3261 9140 3258 9145
3254 9144 3253 9147 3250 9148 3246 9195
3252 9190 3256 9193 3266 9191 3271 9197
3271 9206 3272 9206 3286 9207
TIME...MOT...LOC 2312Z 257DEG 38KT 3270 9192
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...60MPH
$$
TW427
WWUS54 KJAN 092329 RRA
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
629 PM CDT Fri Apr 9 2021
LAC067-083-123-100015-
/O.CON.KJAN.SV.W.0078.000000T0000Z-210410T0015Z/
Morehouse LA-Richland LA-West Carroll LA-
629 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR CENTRAL MOREHOUSE...NORTHERN RICHLAND AND WEST CARROLL
PARISHES...
At 629 PM CDT, a severe thunderstorm was located 9 miles south of
Galion, or 10 miles east of Bastrop, moving east at 45 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
This severe storm will be near...
Goodwill around 645 PM CDT.
Darnell around 650 PM CDT.
Oak Grove around 700 PM CDT.
Other locations impacted by this severe thunderstorm include Forest,
Collinston, Mer Rouge, Pioneer, Oak Ridge and Epps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3294 9131 3293 9130 3287 9131 3284 9135
3275 9134 3269 9140 3261 9140 3258 9145
3254 9144 3253 9147 3250 9148 3246 9195
3252 9190 3256 9193 3266 9191 3271 9197
3288 9191
TIME...MOT...LOC 2329Z 257DEG 38KT 3272 9174
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...70MPH
$$
TW743
WWUS54 KJAN 092343
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
643 PM CDT Fri Apr 9 2021
LAC067-083-123-100015-
/O.CON.KJAN.SV.W.0078.000000T0000Z-210410T0015Z/
Morehouse LA-Richland LA-West Carroll LA-
643 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR CENTRAL MOREHOUSE...NORTHEASTERN RICHLAND AND WEST CARROLL
PARISHES...
At 643 PM CDT, a severe thunderstorm was located over Goodwill, or 19
miles east of Bastrop, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Darnell around 650 PM CDT.
Oak Grove around 700 PM CDT.
Other locations impacted by this severe thunderstorm include Forest,
Mer Rouge, Pioneer, Oak Ridge and Epps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3294 9131 3293 9130 3287 9131 3284 9135
3275 9134 3269 9140 3261 9140 3258 9145
3254 9144 3253 9147 3250 9148 3248 9179
3258 9189 3272 9183 3289 9175
TIME...MOT...LOC 2343Z 257DEG 39KT 3275 9158
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
TW047
WWUS54 KJAN 100001
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
701 PM CDT Fri Apr 9 2021
LAC067-083-100011-
/O.CAN.KJAN.SV.W.0078.000000T0000Z-210410T0015Z/
Morehouse LA-Richland LA-
701 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MOREHOUSE AND
NORTHEASTERN RICHLAND PARISHES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern Louisiana.
LAT...LON 3275 9160 3279 9160 3283 9157 3285 9157
3288 9155 3288 9150 3292 9148 3294 9131
3288 9131 3287 9134 3284 9135 3275 9134
3269 9140 3261 9140 3258 9145 3258 9159
3267 9160 3267 9163 3269 9162 3270 9164
TIME...MOT...LOC 0001Z 257DEG 39KT 3279 9139
$$
LAC123-100015-
/O.CON.KJAN.SV.W.0078.000000T0000Z-210410T0015Z/
West Carroll LA-
701 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR WEST CARROLL PARISH...
At 701 PM CDT, a severe thunderstorm was located near Oak Grove, or
11 miles west of Lake Providence, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of West
Carroll Parish, including the following locations... Pioneer, Forest
and Epps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3275 9160 3279 9160 3283 9157 3285 9157
3288 9155 3288 9150 3292 9148 3294 9131
3288 9131 3287 9134 3284 9135 3275 9134
3269 9140 3261 9140 3258 9145 3258 9159
3267 9160 3267 9163 3269 9162 3270 9164
TIME...MOT...LOC 0001Z 257DEG 39KT 3279 9139
TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
$$
TWThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 5:55 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 65 min |
| Apr 9, 6:52 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, West Carroll | 68 min |
| Apr 9, 6:55 PM CDT | Severe Thunderstorm Warning | JAN | Franklin, Madison, Richland, Tensas | 80 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.