Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 73, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 10, 2021, 6:40 AM CDT for Avoyelles Parish, Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 25 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 10, 2021, 6:40 AM CDT (11:40 UTC)
- Expired
- May 10, 2021, 7:05 AM CDT
- In force
- 25 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Avoyelles Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA
The radar
The Ft Polk radar (KPOE), 94 km from the middle of the area, began a volume at 11:39 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, 11.7 hours before the alert went out and 127 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
- 1849 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 683 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.9
The text
As transmitted.
228
WUUS54 KLCH 101140
SVRLCH
LAC009-039-097-101245-
/O.NEW.KLCH.SV.W.0073.210510T1140Z-210510T1245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
640 AM CDT Mon May 10 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Eastern Evangeline Parish in central Louisiana...
Southwestern Avoyelles Parish in central Louisiana...
Northeastern St. Landry Parish in central Louisiana...
* Until 745 AM CDT.
* At 640 AM CDT, severe thunderstorms were located along a line
extending from Turkey Creek to Mamou, moving southeast at 25 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...
Opelousas, Ville Platte, Mamou, Leonville, Turkey Creek, Palmetto,
Morrow, Port Barre, Pine Prairie, Washington, Chataignier, Bayou
Chicot, Goudeau, Prairie Ronde, Indian Lake, Chicot State Park,
Whiteville, Big Cane, Reddell and Grand Prairie.
This includes Interstate 49 between mile markers 18 and 49.
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 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 3092 9185 3045 9187 3061 9248 3090 9248
TIME...MOT...LOC 1140Z 295DEG 23KT 3086 9241 3065 9241
HAIL...1.00IN
WIND...60MPH
$$
Tingler2 follow-up statements
700
WWUS54 KLCH 101201
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
701 AM CDT Mon May 10 2021
LAC009-101211-
/O.CAN.KLCH.SV.W.0073.000000T0000Z-210510T1245Z/
Avoyelles LA-
701 AM CDT Mon May 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN AVOYELLES PARISH
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3045 9187 3057 9230 3078 9228 3078 9186
TIME...MOT...LOC 1201Z 296DEG 33KT 3077 9220 3056 9220
$$
LAC039-097-101245-
/O.CON.KLCH.SV.W.0073.000000T0000Z-210510T1245Z/
Evangeline LA-St. Landry LA-
701 AM CDT Mon May 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR SOUTHEASTERN EVANGELINE AND CENTRAL ST. LANDRY PARISHES...
At 701 AM CDT, severe thunderstorms were located along a line
extending from near Indian Lake to Prairie Ronde, moving southeast at
35 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...
Opelousas, Ville Platte, Palmetto, Port Barre, Washington, Prairie
Ronde, Grand Prairie and Lebeau.
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 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 3045 9187 3057 9230 3078 9228 3078 9186
TIME...MOT...LOC 1201Z 296DEG 33KT 3077 9220 3056 9220
HAIL...1.00IN
WIND...60MPH
$$
Tingler868 WWUS54 KLCH 101205 SVSLCH Severe Weather Statement National Weather Service Lake Charles LA 705 AM CDT Mon May 10 2021 LAC039-097-101214- /O.CAN.KLCH.SV.W.0073.000000T0000Z-210510T1245Z/ Evangeline LA-St. Landry LA- 705 AM CDT Mon May 10 2021 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN EVANGELINE AND CENTRAL ST. LANDRY PARISHES IS CANCELLED... The storms which prompted the warning have weakened. Therefore, the warning has been cancelled. LAT...LON 3045 9187 3057 9230 3078 9228 3078 9186 TIME...MOT...LOC 1203Z 295DEG 23KT 3077 9219 3056 9219 $$ Tingler
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:22 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 53 min |
| May 9, 8:17 PM CDT | Special Weather Statement | LCH | Allen | 43 min |
| May 9, 8:51 PM CDT | Special Weather Statement | LCH | Rapides | 39 min |
| May 9, 9:55 PM CDT | Special Weather Statement | LCH | Evangeline | 50 min |
| May 9, 10:09 PM CDT | Special Weather Statement | LCH | Allen | 51 min |
| May 10, 12:33 AM CDT | Special Weather Statement | LCH | Saint Martin | 27 min |
| May 10, 3:08 AM CDT | Special Weather Statement | LCH | Vernon | 37 min |
| May 10, 3:45 AM CDT | Special Weather Statement | LCH | Rapides | 30 min |
| May 10, 4:36 AM CDT | Special Weather Statement | LCH | Rapides | 24 min |
| May 10, 4:48 AM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 45 min |
| May 10, 6:17 AM CDT | Special Weather Statement | LCH | Evangeline | 43 min |
| May 10, 7:23 AM CDT | Special Weather Statement | LCH | Saint Landry | 22 min |
| May 10, 7:27 AM CDT | Special Weather Statement | LCH | Saint Landry | 33 min |
| May 10, 7:47 AM CDT | Special Weather Statement | LCH | Saint Landry | 13 min |
| May 10, 8:00 AM CDT | Special Weather Statement | LCH | Saint Landry | 15 min |
| May 10, 8:33 AM CDT | Special Weather Statement | LCH | Saint Martin | 27 min |
| May 10, 10:08 AM CDT | River Flood Warning | LCH | Beauregard, Vernon | 5 days |
| May 10, 10:08 AM CDT | River Flood Warning | LCH | Beauregard, Vernon | 38 days |
| May 10, 6:33 PM CDT | Special Weather Statement | LCH | Avoyelles | 57 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.