Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 69, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 4, 2021, 2:16 PM CDT for 4 parishes in Louisiana. It was in force for 44 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
- May 4, 2021, 2:16 PM CDT (19:16 UTC)
- Expired
- May 4, 2021, 3:00 PM CDT
- In force
- 44 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Avoyelles Parish, LA, Evangeline Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA
The radar
The Ft Polk radar (KPOE), 97 km from the middle of the area, began a volume at 19:15 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 |
|---|---|---|---|
| May 4, 10:52 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.3 hours before the alert went out and 165 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
- 3311 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 458 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.6
The text
As transmitted.
884
WUUS54 KLCH 041916
SVRLCH
LAC009-039-079-097-042000-
/O.NEW.KLCH.SV.W.0069.210504T1916Z-210504T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
216 PM CDT Tue May 4 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Southeastern Rapides Parish in central Louisiana...
Central Evangeline Parish in central Louisiana...
Avoyelles Parish in central Louisiana...
North central St. Landry Parish in central Louisiana...
* Until 300 PM CDT.
* At 216 PM CDT, severe thunderstorms were located along a line
extending from Acme to near Turkey Creek, moving northeast at 35
mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Ville Platte, Marksville, Bunkie, Simmesport, Moreauville,
Cheneyville, Turkey Creek, Bordelonville, Bayou Current, Morrow,
Effie, Cottonport, Pine Prairie, Mansura, Hessmer, Evergreen,
Plaucheville, Bayou Chicot, Goudeau and Lake Ophelia National
Wildlife Refuge.
This includes Interstate 49 between mile markers 30 and 65.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 600 PM CDT for central and
southwestern Louisiana.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3128 9202 3127 9199 3124 9200 3122 9199
3125 9196 3122 9194 3123 9192 3127 9195
3130 9191 3123 9179 3119 9168 3114 9172
3105 9172 3098 9180 3086 9182 3079 9178
3058 9225 3090 9260 3133 9208 3134 9205
TIME...MOT...LOC 1916Z 238DEG 29KT 3127 9182 3083 9245
HAIL...0.88IN
WIND...60MPH
$$
Stigger/872 follow-up statements
356
WWUS54 KLCH 041947
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
247 PM CDT Tue May 4 2021
LAC079-041957-
/O.CAN.KLCH.SV.W.0069.000000T0000Z-210504T2000Z/
Rapides LA-
247 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RAPIDES PARISH IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 600 PM CDT for central
Louisiana.
LAT...LON 3119 9168 3114 9172 3105 9172 3098 9180
3086 9182 3083 9180 3081 9181 3079 9178
3058 9225 3085 9254 3096 9232 3096 9221
3102 9222 3124 9181
TIME...MOT...LOC 1947Z 238DEG 29KT 3140 9158 3096 9221
$$
LAC009-039-097-042000-
/O.CON.KLCH.SV.W.0069.000000T0000Z-210504T2000Z/
Evangeline LA-Avoyelles LA-St. Landry LA-
247 PM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTHERN EVANGELINE...AVOYELLES AND NORTH CENTRAL ST. LANDRY
PARISHES...
At 247 PM CDT, severe thunderstorms were located along a line
extending from Deer Park to Bunkie, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Ville Platte, Bunkie, Simmesport, Moreauville, Turkey Creek,
Bordelonville, Bayou Current, Morrow, Cottonport, Pine Prairie,
Mansura, Hessmer, Evergreen, Plaucheville, Bayou Chicot, Goudeau,
Indian Lake, Whiteville, Big Cane and Dupont.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 600 PM CDT for central
Louisiana.
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3119 9168 3114 9172 3105 9172 3098 9180
3086 9182 3083 9180 3081 9181 3079 9178
3058 9225 3085 9254 3096 9232 3096 9221
3102 9222 3124 9181
TIME...MOT...LOC 1947Z 238DEG 29KT 3140 9158 3096 9221
HAIL...0.88IN
WIND...60MPH
$$
Stigger/87744
WWUS54 KLCH 041955
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
255 PM CDT Tue May 4 2021
LAC009-039-097-042004-
/O.EXP.KLCH.SV.W.0069.000000T0000Z-210504T2000Z/
Evangeline LA-Avoyelles LA-St. Landry LA-
255 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN EVANGELINE...
AVOYELLES AND NORTH CENTRAL ST. LANDRY PARISHES WILL EXPIRE AT 300 PM
CDT...
The storms which prompted the warning have weakened. Therefore, the
warning will be allowed to expire.
However small hail and gusty winds are still possible with these
thunderstorms.
A Tornado Watch remains in effect until 600 PM CDT for central
Louisiana.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lake Charles.
LAT...LON 3119 9168 3114 9172 3105 9172 3098 9180
3086 9182 3083 9180 3081 9181 3079 9178
3058 9225 3085 9254 3096 9232 3096 9221
3102 9222 3124 9181
TIME...MOT...LOC 1954Z 270DEG 29KT 3143 9153 3099 9216
$$
Stigger/87The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 11:52 AM CDT | Tornado Warning | LCH | Beauregard, Vernon | 23 min |
| May 4, 12:11 PM CDT | Special Weather Statement | LCH | Vernon | 34 min |
| May 4, 12:44 PM CDT | Special Weather Statement | LCH | Rapides | 31 min |
| May 4, 1:45 PM CDT | Special Weather Statement | LCH | Allen | 30 min |
| May 4, 2:30 PM CDT | Special Weather Statement | LCH | Beauregard | 30 min |
| May 4, 2:59 PM CDT | Special Weather Statement | LCH | Avoyelles | 31 min |
| May 4, 3:03 PM CDT | Special Weather Statement | LCH | Allen, Calcasieu, Jefferson Davis | 42 min |
| May 4, 4:30 PM CDT | Special Weather Statement | LCH | Saint Landry | 60 min |
| May 4, 5:52 PM CDT | Special Weather Statement | LCH | Lafayette | 38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.