Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 118, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 27, 2021, 2:24 PM CDT for 5 parishes in Louisiana. It was in force for 66 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
- Oct 27, 2021, 2:24 PM CDT (19:24 UTC)
- Expired
- Oct 27, 2021, 3:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Iberia Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 118 km from the middle of the area, began a volume at 19:28 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 |
|---|---|---|---|
| Oct 27, 7:55 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.4 hours before the alert went out and 116 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
- 1422 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.1
The text
As transmitted.
921
WUUS54 KLCH 271924
SVRLCH
LAC045-055-097-099-113-272030-
/O.NEW.KLCH.SV.W.0118.211027T1924Z-211027T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
224 PM CDT Wed Oct 27 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Northwestern Iberia Parish in south central Louisiana...
Lafayette Parish in south central Louisiana...
Vermilion Parish in southwestern Louisiana...
St. Martin Parish in south central Louisiana...
Eastern St. Landry Parish in central Louisiana...
* Until 330 PM CDT.
* At 224 PM CDT, severe thunderstorms were located along a line
extending from near Melville to near Lafayette to near Pecan
Island, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Lafayette, New Iberia, Abbeville, Catahoula, Scott, Breaux Bridge,
Carencro, St. Martinville, Kaplan, Krotz Springs, Leonville,
Arnaudville, Melville, Palmetto, Freshwater City, Forked Island,
Intracoastal City, Pecan Island, Avery Island and Broussard.
This includes the following highways...
Interstate 10 in Louisiana between mile markers 93 and 127.
Interstate 49 between mile markers 1 and 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 PM CDT for south central,
central and southwestern Louisiana.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 400 PM CDT for south central,
central and southwestern Louisiana.
&&
LAT...LON 2958 9262 3078 9186 3079 9177 3050 9175
3018 9147 2976 9187 2977 9187 2984 9190
2983 9191 2983 9197 2972 9215 2975 9221
2962 9211 2962 9201 2960 9207 2959 9206
2959 9204 2958 9205 2953 9231
TIME...MOT...LOC 1924Z 273DEG 19KT 3071 9181 3021 9199 2963 9254
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Brazzell1 follow-up statement
512
WWUS54 KLCH 271955
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
255 PM CDT Wed Oct 27 2021
LAC045-055-097-099-113-272030-
/O.CON.KLCH.SV.W.0118.000000T0000Z-211027T2030Z/
Iberia LA-Lafayette LA-Vermilion LA-St. Martin LA-St. Landry LA-
255 PM CDT Wed Oct 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NORTHWESTERN IBERIA...LAFAYETTE...EASTERN VERMILION...ST. MARTIN
AND EASTERN ST. LANDRY PARISHES...
At 255 PM CDT, severe thunderstorms were located along a line
extending from near Morganza to near Breaux Bridge to near Pecan
Island, moving east at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Lafayette, New Iberia, Abbeville, Catahoula, Scott, Breaux Bridge,
Carencro, St. Martinville, Kaplan, Krotz Springs, Leonville,
Arnaudville, Melville, Freshwater City, Forked Island, Intracoastal
City, Pecan Island, Avery Island, Broussard and Youngsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 PM CDT for south central,
central and southwestern Louisiana.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2957 9254 3077 9183 3079 9177 3050 9175
3018 9147 2976 9187 2977 9187 2984 9190
2983 9191 2983 9197 2972 9215 2975 9221
2962 9211 2962 9201 2960 9207 2959 9206
2959 9204 2958 9205 2953 9231
TIME...MOT...LOC 1955Z 270DEG 9KT 3070 9163 3021 9188 2962 9236
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
BrazzellThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 7:22 AM CDT | Special Marine Warning | LCH | 38 min | |
| Oct 27, 8:01 AM CDT | Special Marine Warning | LCH | 25 min | |
| Oct 27, 9:21 AM CDT | Tornado Warning | LCH | Calcasieu | 24 min |
| Oct 27, 9:41 AM CDT | Tornado Warning | LCH | Calcasieu | 34 min |
| Oct 27, 10:09 AM CDT | Tornado Warning | LCH | Beauregard, Calcasieu | 36 min |
| Oct 27, 10:39 AM CDT | Tornado Warning | LCH | Beauregard | 36 min |
| Oct 27, 11:04 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 26 min |
| Oct 27, 11:13 AM CDT | Special Marine Warning | LCH | 47 min | |
| Oct 27, 11:14 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 31 min |
| Oct 27, 11:19 AM CDT | Severe Thunderstorm Warning | LCH | Rapides | 26 min |
| Oct 27, 11:30 AM CDT | Severe Thunderstorm Warning | LCH | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 3 more | 60 min |
| Oct 27, 11:33 AM CDT | Special Marine Warning | LCH | 57 min | |
| Oct 27, 11:46 AM CDT | Tornado Warning | LCH | Beauregard, Calcasieu | 17 min |
| Oct 27, 11:53 AM CDT | Tornado Warning | LCH | Calcasieu | 37 min |
| Oct 27, 11:55 AM CDT | Tornado Warning | LCH | Calcasieu, Cameron | 35 min |
| Oct 27, 12:27 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 4 more | 63 min |
| Oct 27, 12:31 PM CDT | Tornado Warning | LCH | Allen, Beauregard, Vernon | 17 min |
| Oct 27, 12:35 PM CDT | Special Marine Warning | LCH | 55 min | |
| Oct 27, 12:56 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline, Rapides, Vernon | 34 min |
| Oct 27, 1:26 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Avoyelles, Evangeline, Rapides, Saint Landry | 34 min |
| Oct 27, 1:30 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Cameron, Evangeline, Iberia, Lafayette, Saint Landry and 3 more | 60 min |
| Oct 27, 1:31 PM CDT | Special Marine Warning | LCH | 59 min | |
| Oct 27, 1:56 PM CDT | Special Weather Statement | LCH | Avoyelles | 34 min |
| Oct 27, 2:06 PM CDT | Tornado Warning | LCH | Cameron, Vermilion | 10 min |
| Oct 27, 2:22 PM CDT | Special Marine Warning | LCH | 53 min | |
| Oct 27, 3:30 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary, Vermilion | 60 min |
| Oct 27, 4:00 PM CDT | Special Marine Warning | LCH | 60 min | |
| Oct 27, 4:29 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 61 min |
| Oct 27, 5:00 PM CDT | Special Marine Warning | LCH | 39 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.