Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 76, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 11, 2021, 8:40 AM CDT for Allen Parish, Jefferson Davis Parish, 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
- May 11, 2021, 8:40 AM CDT (13:40 UTC)
- Expired
- May 11, 2021, 9:13 AM CDT
- In force
- 33 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Allen Parish, LA, Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 60 km from the middle of the area, began a volume at 13:41 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, 1.7 hours before the alert went out and 59 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
- 2925 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 472 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 11.9
The text
As transmitted.
069
WUUS54 KLCH 111340
SVRLCH
LAC003-053-111430-
/O.NEW.KLCH.SV.W.0076.210511T1340Z-210511T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
840 AM CDT Tue May 11 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
North central Jefferson Davis Parish in southwestern Louisiana...
Southeastern Allen Parish in southwestern Louisiana...
* Until 930 AM CDT.
* At 840 AM CDT, a severe thunderstorm was located near Fenton,
moving northeast at 20 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.
* Locations impacted include...
Kinder, Oberlin, Elton, Fenton, Leblanc and Harmony.
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.
&&
LAT...LON 3057 9258 3032 9288 3043 9305 3072 9289
TIME...MOT...LOC 1340Z 217DEG 17KT 3044 9292
HAIL...1.00IN
WIND...60MPH
$$
Stigger/872 follow-up statements
509 WWUS54 KLCH 111358 SVSLCH Severe Weather Statement National Weather Service Lake Charles LA 858 AM CDT Tue May 11 2021 LAC003-053-111430- /O.CON.KLCH.SV.W.0076.000000T0000Z-210511T1430Z/ Jefferson Davis LA-Allen LA- 858 AM CDT Tue May 11 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR NORTH CENTRAL JEFFERSON DAVIS AND SOUTHEASTERN ALLEN PARISHES... At 858 AM CDT, a severe thunderstorm was located over Kinder, moving northeast at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Kinder, Oberlin, Elton and Leblanc. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3036 9283 3046 9298 3069 9283 3057 9258 TIME...MOT...LOC 1358Z 217DEG 17KT 3051 9286 HAIL...0.88IN WIND...60MPH $$ Stigger/87
881
WWUS54 KLCH 111413
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
913 AM CDT Tue May 11 2021
LAC003-053-111423-
/O.CAN.KLCH.SV.W.0076.000000T0000Z-210511T1430Z/
Jefferson Davis LA-Allen LA-
913 AM CDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL JEFFERSON DAVIS
AND SOUTHEASTERN ALLEN PARISHES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail is
still possible with this thunderstorm.
LAT...LON 3036 9283 3046 9298 3069 9283 3057 9258
TIME...MOT...LOC 1412Z 217DEG 17KT 3057 9281
$$
Stigger/87The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 9:59 PM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 23 hr |
| May 11, 3:20 AM CDT | Flash Flood Watch | LCH | Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more | 34 hr |
| May 11, 6:14 AM CDT | Special Weather Statement | LCH | Saint Martin | 16 min |
| May 11, 6:29 AM CDT | Special Weather Statement | LCH | Vernon | 31 min |
| May 11, 6:50 AM CDT | Special Weather Statement | LCH | Vernon | 25 min |
| May 11, 6:55 AM CDT | Severe Thunderstorm Warning | LCH | Rapides, Vernon | 18 min |
| May 11, 7:17 AM CDT | Special Weather Statement | LCH | Acadia | 43 min |
| May 11, 7:22 AM CDT | Special Weather Statement | LCH | Rapides | 23 min |
| May 11, 7:48 AM CDT | Severe Thunderstorm Warning | LCH | Lafayette, Saint Landry | 16 min |
| May 11, 8:04 AM CDT | Special Weather Statement | LCH | Acadia, Lafayette | 41 min |
| May 11, 8:52 AM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Saint Landry, Saint Martin | 3 hr |
| May 11, 10:24 AM CDT | River Flood Watch | LCH | Allen, Evangeline | 25 hr |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 4 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 33 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Allen, Calcasieu, Jefferson Davis | 18 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 21 days |
| May 11, 10:24 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 4 days |
| May 11, 6:43 PM CDT | Special Weather Statement | LCH | Saint Martin | 47 min |
| May 11, 6:57 PM CDT | Tornado Warning | LCH | Iberia, St. Mary | 33 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.