Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 57, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2021, 8:00 PM CDT for Rapides Parish, Vernon Parish, Louisiana. 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
- Apr 23, 2021, 8:00 PM CDT (01:00 UTC)
- Expired
- Apr 23, 2021, 9:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Rapides Parish, LA, Vernon Parish, LA
The radar
The Ft Polk radar (KPOE), 27 km from the middle of the area, began a volume at 01:01 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 |
|---|---|---|---|
| Apr 23, 2:00 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.0 hours before the alert went out and 143 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
- 865 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 383 m²/s²
- 0-3 km storm-relative helicity
- 442 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 10.3
The text
As transmitted.
049
WUUS54 KLCH 240100
SVRLCH
LAC079-115-240200-
/O.NEW.KLCH.SV.W.0057.210424T0100Z-210424T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
800 PM CDT Fri Apr 23 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Western Rapides Parish in central Louisiana...
Eastern Vernon Parish in west central Louisiana...
* Until 900 PM CDT.
* At 800 PM CDT, a severe thunderstorm was located 7 miles south of
Slagle, moving east at 30 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Glenmora, Boyce, Hineston, Fort Polk, Slagle, Lacamp, Fullerton,
Hutton, Clifton, Flatwoods, Otis, Elmer, Leander, Sieper, Gardner,
Cravens, Calcasieu, Simpson, Mcnary and Union Hill.
This includes Interstate 49 between mile markers 98 and 107.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CDT for central and
west central Louisiana.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado, go at once into a
small central room in a sturdy structure.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3147 9269 3147 9271 3145 9271 3145 9268
3143 9269 3141 9268 3140 9269 3139 9263
3098 9253 3094 9319 3124 9325 3136 9299
3135 9298 3135 9295 3137 9295 3137 9292
3139 9291 3139 9289 3140 9289 3149 9270
TIME...MOT...LOC 0100Z 250DEG 26KT 3110 9309
TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
$$
131 follow-up statement
758
WWUS54 KLCH 240123
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
823 PM CDT Fri Apr 23 2021
LAC079-115-240200-
/O.CON.KLCH.SV.W.0057.000000T0000Z-210424T0200Z/
Rapides LA-Vernon LA-
823 PM CDT Fri Apr 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WESTERN RAPIDES AND NORTHEASTERN VERNON PARISHES...
At 822 PM CDT, a severe thunderstorm was located over Lacamp, or 8
miles west of Hineston, moving east at 30 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Glenmora, Boyce, Hineston, Lacamp, Hutton, Clifton, Flatwoods, Otis,
Elmer, Leander, Sieper, Gardner, Calcasieu, Simpson, Mcnary and Union
Hill.
This includes Interstate 49 between mile markers 98 and 107.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CDT for central and
west central Louisiana.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into a
small central room in a sturdy structure.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3147 9269 3147 9271 3145 9271 3145 9268
3143 9269 3141 9268 3140 9269 3139 9263
3098 9253 3097 9293 3133 9305 3136 9299
3135 9298 3135 9295 3137 9295 3137 9292
3139 9291 3139 9289 3140 9289 3149 9270
TIME...MOT...LOC 0122Z 250DEG 26KT 3116 9291
TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
$$
Stigger/87The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:15 PM CDT | Severe Thunderstorm Warning | LCH | Vernon | 60 min |
| Apr 23, 7:35 PM CDT | Tornado Warning | LCH | Vernon | 25 min |
| Apr 23, 7:45 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 22 min |
| Apr 23, 7:57 PM CDT | Tornado Warning | LCH | Beauregard | 33 min |
| Apr 23, 8:25 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 1 min |
| Apr 23, 8:26 PM CDT | Tornado Warning | LCH | Rapides, Vernon | 34 min |
| Apr 23, 8:29 PM CDT | Tornado Warning | LCH | Beauregard | 31 min |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen | 21 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Rapides | 21 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 40 hr |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Beauregard | 5 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Beauregard | 4 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 21 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Calcasieu, Jefferson Davis | 21 days |
| Apr 23, 9:00 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 60 min |
| Apr 23, 9:00 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Evangeline, Rapides, Vernon | 14 min |
| Apr 23, 9:34 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Rapides | 26 min |
| Apr 23, 9:43 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Vernon | 13 min |
| Apr 23, 9:57 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline | 33 min |
| Apr 23, 10:19 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Rapides, Saint Landry | 41 min |
| Apr 23, 10:58 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Saint Landry | 46 min |
| Apr 23, 11:01 PM CDT | Special Weather Statement | LCH | Jefferson Davis | 44 min |
| Apr 23, 11:12 PM CDT | Special Weather Statement | LCH | Beauregard | 33 min |
| Apr 23, 11:28 PM CDT | Special Weather Statement | LCH | Cameron | 17 min |
| Apr 23, 11:41 PM CDT | Special Weather Statement | LCH | Acadia | 34 min |
| Apr 23, 11:50 PM CDT | Special Weather Statement | LCH | Cameron, Jefferson Davis | 25 min |
| Apr 24, 12:29 AM CDT | Special Marine Warning | LCH | 61 min | |
| Apr 24, 12:36 AM CDT | Special Weather Statement | LCH | Acadia, Lafayette, Saint Landry | 54 min |
| Apr 24, 1:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Apr 24, 1:31 AM CDT | Special Weather Statement | LCH | Cameron, Vermilion | 44 min |
| Apr 24, 1:59 AM CDT | Severe Thunderstorm Warning | LCH | Cameron, Iberia, Lafayette, Saint Martin, St. Mary, Vermilion | 61 min |
| Apr 24, 2:00 AM CDT | Special Marine Warning | LCH | 60 min | |
| Apr 24, 2:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Apr 24, 2:52 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 53 min |
| Apr 24, 2:54 AM CDT | Special Marine Warning | LCH | 36 min | |
| Apr 24, 2:58 AM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 58 hr |
| Apr 24, 2:58 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 21 days |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.