Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 114, NWS Lake Charles, LA

October 27, 202110 parishes in Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 27, 2021, 12:27 PM CDT for 10 parishes in Louisiana. It was in force for 63 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Oct 27, 2021, 12:27 PM CDT (17:27 UTC)
Expired: Oct 27, 2021, 1:30 PM CDT
In force: 63 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Possible
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Acadia Parish, LA, Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 93 km from the middle of the area, began a volume at 17:29 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.

What was reported inside it

Time	Report	Where	Remark
Oct 27, 12:35 PM CDT	TSTM WND DMG	3 Ene Lake Charles, LA	* 1 INJ * LADY WAS INJURED WHEN THE WINDOWS BLEW OUT.
Oct 27, 12:35 PM CDT	TSTM WND GST 70	4 Sse Lake Charles, LA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 5.5 hours before the alert went out and 91 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

744 
WUUS54 KLCH 271727
SVRLCH
LAC001-003-011-019-023-039-053-055-097-113-271830-
/O.NEW.KLCH.SV.W.0114.211027T1727Z-211027T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
1227 PM CDT Wed Oct 27 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Eastern Cameron Parish in southwestern Louisiana...
  Central Lafayette Parish in south central Louisiana...
  Jefferson Davis Parish in southwestern Louisiana...
  Southern Evangeline Parish in central Louisiana...
  Southeastern Beauregard Parish in southwestern Louisiana...
  Acadia Parish in southwestern Louisiana...
  Eastern Calcasieu Parish in southwestern Louisiana...
  Vermilion Parish in southwestern Louisiana...
  Central St. Landry Parish in central Louisiana...
  Allen Parish in southwestern Louisiana...

* Until 130 PM CDT.

* At 1227 PM CDT, severe thunderstorms were located along a line
  extending from near Cravens to near Creole, moving east at 60 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Lafayette, Lake Charles, Opelousas, Crowley, Abbeville, Eunice,
  Jennings, Scott, Rayne, Carencro, Ville Platte, Cameron, Kaplan,
  Church Point, Mamou, Welsh, Iowa, Lake Arthur, Kinder and Basile.

This includes the following highways...
 Interstate 10 in Louisiana between mile markers 33 and 100.
 Interstate 210 between mile markers 9 and 12.
 Interstate 49 between mile markers 8 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 PM CDT for central, south
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 central, south
central and southwestern Louisiana.

&&

LAT...LON 2960 9269 2972 9299 2978 9325 3070 9312
      3073 9204 2984 9206 2980 9206 2974 9213
      2975 9213 2977 9215 2975 9215 2976 9216
      2975 9221 2971 9218 2969 9211 2966 9213
      2958 9208 2958 9216 2954 9225 2953 9231
TIME...MOT...LOC 1727Z 253DEG 51KT 3092 9302 2979 9319 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Brazzell

3 follow-up statements

746 
WWUS54 KLCH 271745
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
1245 PM CDT Wed Oct 27 2021

LAC011-271754-
/O.CAN.KLCH.SV.W.0114.000000T0000Z-211027T1830Z/
Beauregard LA-
1245 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BEAUREGARD PARISH
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 400 PM CDT for central, south
central and southwestern Louisiana.

LAT...LON 2960 9269 2977 9319 3060 9301 3060 9298
      3070 9298 3073 9204 2980 9206 2974 9213
      2975 9213 2977 9215 2975 9220 2975 9221
      2971 9218 2969 9211 2966 9213 2958 9208
      2953 9231
TIME...MOT...LOC 1744Z 253DEG 39KT 3096 9285 2983 9302 

$$

LAC001-003-019-023-039-053-055-097-113-271830-
/O.CON.KLCH.SV.W.0114.000000T0000Z-211027T1830Z/
Cameron LA-Lafayette LA-Jefferson Davis LA-Evangeline LA-Acadia LA-
Calcasieu LA-Vermilion LA-St. Landry LA-Allen LA-
1245 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR EASTERN CAMERON...CENTRAL LAFAYETTE...JEFFERSON DAVIS...SOUTHERN
EVANGELINE...ACADIA...SOUTHEASTERN CALCASIEU...VERMILION...CENTRAL
ST. LANDRY AND SOUTHERN ALLEN PARISHES...

At 1244 PM CDT, severe thunderstorms were located along a line
extending from near Pitkin to near Grand Chenier, moving east at 45
mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Lafayette, Opelousas, Crowley, Abbeville, Eunice, Jennings, Scott,
Rayne, Carencro, Ville Platte, Kaplan, Church Point, Mamou, Welsh,
Iowa, Lake Arthur, Kinder, Basile, Oberlin and Iota.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 PM CDT for central, south
central and southwestern Louisiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2960 9269 2977 9319 3060 9301 3060 9298
      3070 9298 3073 9204 2980 9206 2974 9213
      2975 9213 2977 9215 2975 9220 2975 9221
      2971 9218 2969 9211 2966 9213 2958 9208
      2953 9231
TIME...MOT...LOC 1744Z 253DEG 39KT 3096 9285 2983 9302 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Brazzell

281 
WWUS54 KLCH 271754
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
1254 PM CDT Wed Oct 27 2021

LAC001-003-019-023-039-053-055-097-113-271830-
/O.CON.KLCH.SV.W.0114.000000T0000Z-211027T1830Z/
Cameron LA-Lafayette LA-Jefferson Davis LA-Evangeline LA-Acadia LA-
Calcasieu LA-Vermilion LA-St. Landry LA-Allen LA-
1254 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR EASTERN CAMERON...CENTRAL LAFAYETTE...JEFFERSON DAVIS...SOUTHERN
EVANGELINE...ACADIA...SOUTHEASTERN CALCASIEU...VERMILION...CENTRAL
ST. LANDRY AND SOUTHEASTERN ALLEN PARISHES...

At 1254 PM CDT, severe thunderstorms were located along a line
extending from near Oakdale to near Welsh to Grand Chenier, moving
east at 45 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Lafayette, Opelousas, Crowley, Abbeville, Eunice, Jennings, Scott,
Rayne, Carencro, Ville Platte, Kaplan, Church Point, Mamou, Welsh,
Lake Arthur, Kinder, Basile, Oberlin, Iota and Gueydan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 PM CDT for central, south
central and southwestern Louisiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2960 9269 2974 9310 3026 9298 3070 9298
      3073 9204 2980 9206 2974 9213 2975 9213
      2977 9215 2975 9220 2975 9221 2971 9218
      2969 9211 2966 9213 2958 9208 2953 9231
TIME...MOT...LOC 1754Z 269DEG 38KT 3085 9272 3027 9279 2979 9298 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Brazzell

420 
WWUS54 KLCH 271800
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
100 PM CDT Wed Oct 27 2021

LAC019-271810-
/O.CAN.KLCH.SV.W.0114.000000T0000Z-211027T1830Z/
Calcasieu LA-
100 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CALCASIEU PARISH
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 400 PM CDT for central, south
central and southwestern Louisiana.

LAT...LON 2960 9269 2975 9310 3008 9296 3008 9289
      3011 9291 3016 9289 3016 9294 3070 9293
      3073 9204 2980 9206 2974 9213 2975 9213
      2977 9215 2975 9220 2975 9221 2971 9218
      2969 9211 2966 9213 2958 9208 2953 9231
TIME...MOT...LOC 1800Z 269DEG 38KT 3085 9264 3027 9272 2979 9291 

$$

LAC001-003-023-039-053-055-097-113-271830-
/O.CON.KLCH.SV.W.0114.000000T0000Z-211027T1830Z/
Cameron LA-Lafayette LA-Jefferson Davis LA-Evangeline LA-Acadia LA-
Vermilion LA-St. Landry LA-Allen LA-
100 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR EASTERN CAMERON...CENTRAL LAFAYETTE...JEFFERSON DAVIS...SOUTHERN
EVANGELINE...ACADIA...VERMILION...CENTRAL ST. LANDRY AND SOUTHEASTERN
ALLEN PARISHES...

At 100 PM CDT, severe thunderstorms were located along a line
extending from near Oakdale to near Jennings to near Grand Chenier,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Lafayette, Opelousas, Crowley, Abbeville, Eunice, Jennings, Scott,
Rayne, Carencro, Ville Platte, Kaplan, Church Point, Mamou, Welsh,
Lake Arthur, Kinder, Basile, Oberlin, Iota and Gueydan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 PM CDT for central, south
central and southwestern Louisiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2960 9269 2975 9310 3008 9296 3008 9289
      3011 9291 3016 9289 3016 9294 3070 9293
      3073 9204 2980 9206 2974 9213 2975 9213
      2977 9215 2975 9220 2975 9221 2971 9218
      2969 9211 2966 9213 2958 9208 2953 9231
TIME...MOT...LOC 1800Z 269DEG 38KT 3085 9264 3027 9272 2979 9291 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Brazzell

The 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 Tornado observed	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 Considerable damage threat	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 Tornado observed	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, 12:31 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, 2:24 PM CDT	Severe Thunderstorm Warning	LCH	Iberia, Lafayette, Saint Landry, Saint Martin, Vermilion	66 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, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.