Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 48, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 16, 2021, 4:12 AM CDT for 4 parishes in Louisiana. It was in force for 33 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 16, 2021, 4:12 AM CDT (09:12 UTC)
- Expired
- Apr 16, 2021, 4:45 AM CDT
- In force
- 33 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Acadia Parish, LA, Allen Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 49 km from the middle of the area, began a volume at 09:14 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.2 hours before the alert went out and 48 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
319 WUUS54 KLCH 160912 SVRLCH LAC001-003-039-053-160945- /O.NEW.KLCH.SV.W.0048.210416T0912Z-210416T0945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Lake Charles LA 412 AM CDT Fri Apr 16 2021 The National Weather Service in Lake Charles has issued a * Severe Thunderstorm Warning for... Jefferson Davis Parish in southwestern Louisiana... Southwestern Evangeline Parish in central Louisiana... Northwestern Acadia Parish in southwestern Louisiana... Southeastern Allen Parish in southwestern Louisiana... * Until 445 AM CDT. * At 412 AM CDT, severe thunderstorms were located along a line extending from near Kinder to near Welsh, moving east at 50 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Jennings, Welsh, Kinder, Basile, Oberlin, Elton, Mermentau, Evangeline, Duralde, Pine Island, Roanoke, Hathaway and Lacassine. This includes Interstate 10 in Louisiana between mile markers 48 and 70. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3018 9296 3061 9284 3059 9246 3010 9259 TIME...MOT...LOC 0912Z 278DEG 43KT 3053 9283 3024 9290 HAIL...0.88IN WIND...60MPH $$ Stigger/87
3 follow-up statements
221 WWUS54 KLCH 160920 SVSLCH Severe Weather Statement National Weather Service Lake Charles LA 420 AM CDT Fri Apr 16 2021 LAC001-003-039-053-160945- /O.CON.KLCH.SV.W.0048.000000T0000Z-210416T0945Z/ Jefferson Davis LA-Evangeline LA-Acadia LA-Allen LA- 420 AM CDT Fri Apr 16 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR EASTERN JEFFERSON DAVIS...SOUTHWESTERN EVANGELINE...NORTHWESTERN ACADIA AND SOUTHEASTERN ALLEN PARISHES... At 420 AM CDT, severe thunderstorms were located along a line extending from near Elton to Welsh, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Jennings, Welsh, Basile, Oberlin, Elton, Mermentau, Evangeline, Pine Island, Duralde, Hathaway and Roanoke. This includes Interstate 10 in Louisiana between mile markers 53 and 70. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3016 9288 3061 9276 3059 9246 3010 9259 TIME...MOT...LOC 0920Z 278DEG 43KT 3052 9274 3023 9281 HAIL...0.75IN WIND...60MPH $$ Stigger/87
875
WWUS54 KLCH 160928
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
428 AM CDT Fri Apr 16 2021
LAC003-039-160937-
/O.CAN.KLCH.SV.W.0048.000000T0000Z-210416T0945Z/
Evangeline LA-Allen LA-
428 AM CDT Fri Apr 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN EVANGELINE AND
SOUTHEASTERN ALLEN PARISHES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3015 9282 3034 9273 3049 9276 3049 9263
3048 9263 3048 9250 3010 9259
TIME...MOT...LOC 0927Z 278DEG 43KT 3051 9267 3022 9274
$$
LAC001-053-160945-
/O.CON.KLCH.SV.W.0048.000000T0000Z-210416T0945Z/
Jefferson Davis LA-Acadia LA-
428 AM CDT Fri Apr 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR EASTERN JEFFERSON DAVIS AND NORTHWESTERN ACADIA PARISHES...
At 427 AM CDT, severe thunderstorms were located along a line
extending from near Elton to near Welsh, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jennings, Elton, Mermentau, Evangeline, Hathaway and Roanoke.
This includes Interstate 10 in Louisiana between mile markers 58 and
70.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3015 9282 3034 9273 3049 9276 3049 9263
3048 9263 3048 9250 3010 9259
TIME...MOT...LOC 0927Z 278DEG 43KT 3051 9267 3022 9274
HAIL...0.75IN
WIND...60MPH
$$
Stigger/87701
WWUS54 KLCH 160940
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
440 AM CDT Fri Apr 16 2021
LAC001-053-160950-
/O.EXP.KLCH.SV.W.0048.000000T0000Z-210416T0945Z/
Jefferson Davis LA-Acadia LA-
440 AM CDT Fri Apr 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JEFFERSON DAVIS AND
NORTHWESTERN ACADIA PARISHES WILL EXPIRE AT 445 AM CDT...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning will be allowed to expire.
LAT...LON 3015 9282 3034 9273 3049 9276 3049 9263
3048 9263 3048 9250 3010 9259
TIME...MOT...LOC 0940Z 270DEG 43KT 3049 9253 3020 9260
$$
Stigger/87The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 11:57 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 48 min |
| Apr 16, 3:06 AM CDT | Special Weather Statement | LCH | Evangeline | 24 min |
| Apr 16, 3:11 AM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 34 min |
| Apr 16, 3:30 AM CDT | Special Weather Statement | LCH | Evangeline | 45 min |
| Apr 16, 3:44 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Calcasieu, Jefferson Davis | 31 min |
| Apr 16, 4:13 AM CDT | Special Weather Statement | LCH | Saint Landry | 47 min |
| Apr 16, 4:33 AM CDT | Severe Thunderstorm Warning | LCH | Acadia, Jefferson Davis, Lafayette, Saint Landry, Vermilion | 42 min |
| Apr 16, 5:11 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Lafayette, Saint Landry, Saint Martin, St. Mary, Vermilion | 64 min |
| Apr 16, 10:34 AM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 57 hr |
| Apr 16, 4:22 PM CDT | Small Craft Advisory | LCH | 35 hr |
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.