Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 37, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 14, 2021, 7:00 AM CDT for 4 parishes in Louisiana. It was in force for 30 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 14, 2021, 7:00 AM CDT (12:00 UTC)
- Expired
- Apr 14, 2021, 7:30 AM CDT
- In force
- 30 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Acadia Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA
The radar
The Lake Charles radar (KLCH), 109 km from the middle of the area, began a volume at 12:03 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 12:00Z, 0.0 hours before the alert went out and 108 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
- 950 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
939 WUUS54 KLCH 141200 SVRLCH LAC001-055-097-099-141230- /O.NEW.KLCH.SV.W.0037.210414T1200Z-210414T1230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Lake Charles LA 700 AM CDT Wed Apr 14 2021 The National Weather Service in Lake Charles has issued a * Severe Thunderstorm Warning for... Northern Lafayette Parish in south central Louisiana... Northeastern Acadia Parish in southwestern Louisiana... Northwestern St. Martin Parish in south central Louisiana... Southeastern St. Landry Parish in central Louisiana... * Until 730 AM CDT. * At 700 AM CDT, a severe thunderstorm was located over Mire, or 7 miles south of Church Point, moving northeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Lafayette, Opelousas, Scott, Carencro, Church Point, Leonville, Arnaudville, Sunset, Duson, Grand Coteau, Cankton, Mire and Branch. This includes the following highways... Interstate 10 in Louisiana between mile markers 90 and 100. Interstate 49 between mile markers 2 and 21. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail and damaging winds and continuous cloud to ground lightning is occurring with this storm. 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. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3019 9215 3030 9231 3059 9211 3041 9182 TIME...MOT...LOC 1200Z 220DEG 23KT 3031 9218 HAIL...0.75IN WIND...60MPH $$ Stigger/87
2 follow-up statements
126 WWUS54 KLCH 141210 SVSLCH Severe Weather Statement National Weather Service Lake Charles LA 710 AM CDT Wed Apr 14 2021 LAC001-055-097-099-141230- /O.CON.KLCH.SV.W.0037.000000T0000Z-210414T1230Z/ Lafayette LA-Acadia LA-St. Martin LA-St. Landry LA- 710 AM CDT Wed Apr 14 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR NORTHEASTERN LAFAYETTE...NORTHEASTERN ACADIA...NORTHWESTERN ST. MARTIN AND SOUTHEASTERN ST. LANDRY PARISHES... At 709 AM CDT, a severe thunderstorm was located over Cankton, or near Church Point, moving northeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Lafayette, Opelousas, Scott, Carencro, Church Point, Leonville, Arnaudville, Sunset, Grand Coteau and Cankton. This includes the following highways... Interstate 10 in Louisiana between mile markers 98 and 100. Interstate 49 between mile markers 2 and 21. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3023 9209 3037 9226 3059 9211 3041 9182 TIME...MOT...LOC 1209Z 220DEG 23KT 3036 9213 HAIL...0.75IN WIND...60MPH $$ Stigger/87
964
WWUS54 KLCH 141218
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
718 AM CDT Wed Apr 14 2021
LAC001-141227-
/O.CAN.KLCH.SV.W.0037.000000T0000Z-210414T1230Z/
Acadia LA-
718 AM CDT Wed Apr 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ACADIA PARISH IS
CANCELLED...
The severe thunderstorm which prompted the warning has weakened and
moved out of the warned area. Therefore, the warning has been
cancelled.
LAT...LON 3026 9205 3033 9211 3051 9198 3041 9182
TIME...MOT...LOC 1217Z 220DEG 23KT 3040 9209
$$
LAC055-097-099-141230-
/O.CON.KLCH.SV.W.0037.000000T0000Z-210414T1230Z/
Lafayette LA-St. Martin LA-St. Landry LA-
718 AM CDT Wed Apr 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR NORTHEASTERN LAFAYETTE...NORTHWESTERN ST. MARTIN AND SOUTHEASTERN
ST. LANDRY PARISHES...
At 717 AM CDT, a severe thunderstorm was located over Sunset, or 7
miles northwest of Carencro, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Lafayette, Scott, Carencro, Leonville, Arnaudville, Sunset, Grand
Coteau and Cankton.
This includes Interstate 49 between mile markers 2 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3026 9205 3033 9211 3051 9198 3041 9182
TIME...MOT...LOC 1217Z 220DEG 23KT 3040 9209
HAIL...0.75IN
WIND...60MPH
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:10 PM CDT | Severe Thunderstorm Warning | LCH | Saint Martin, St. Mary | 20 min |
| Apr 13, 8:30 PM CDT | Small Craft Advisory | LCH | 15 hr | |
| Apr 13, 9:58 PM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 7 days |
| Apr 14, 1:29 AM CDT | Coastal Flood Watch | LCH | Cameron | 4 hr |
| Apr 14, 4:42 AM CDT | Special Weather Statement | LCH | Acadia, Jefferson Davis | 33 min |
| Apr 14, 5:43 AM CDT | Coastal Flood Warning | LCH | Cameron | 5 hr |
| Apr 14, 6:28 AM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 47 min |
| Apr 14, 7:11 AM CDT | Special Weather Statement | LCH | Beauregard | 64 min |
| Apr 14, 7:16 AM CDT | Special Weather Statement | LCH | Avoyelles | 29 min |
| Apr 14, 7:36 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 54 min |
| Apr 14, 7:52 AM CDT | Special Weather Statement | LCH | Saint Landry | 23 min |
| Apr 14, 7:57 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis | 63 min |
| Apr 14, 8:14 AM CDT | Special Weather Statement | LCH | St. Mary | 31 min |
| Apr 14, 8:32 AM CDT | Severe Thunderstorm Warning | LCH | Saint Martin, St. Mary | 32 min |
| Apr 14, 9:00 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 45 min |
| Apr 14, 9:34 AM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 6 days |
| Apr 14, 9:34 AM CDT | River Flood Warning | LCH | Calcasieu | 6 days |
| Apr 14, 9:34 AM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 36 hr |
| Apr 14, 9:34 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 21 days |
| Apr 14, 9:34 AM CDT | River Flood Warning | LCH | Rapides | 21 days |
| Apr 14, 9:34 AM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 21 days |
| Apr 14, 9:42 AM CDT | Special Weather Statement | LCH | Vermilion | 48 min |
| Apr 14, 9:49 AM CDT | Special Weather Statement | LCH | Vermilion | 41 min |
| Apr 14, 10:36 AM CDT | Special Weather Statement | LCH | Vermilion | 24 min |
| Apr 14, 11:07 AM CDT | Special Marine Warning | LCH | 53 min | |
| Apr 14, 4:30 PM CDT | Special Weather Statement | LCH | Calcasieu | 45 min |
| Apr 14, 4:40 PM CDT | River Flood Warning | LCH | Beauregard, Calcasieu | 38 hr |
| Apr 14, 4:40 PM CDT | River Flood Warning | LCH | Calcasieu | 8 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.