Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Lake Charles, LA

April 14, 20215 parishes in Louisiana; Orange County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 14, 2021, 7:57 AM CDT for 5 parishes in Louisiana; Orange County, Texas. 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: Apr 14, 2021, 7:57 AM CDT (12:57 UTC)
Expired: Apr 14, 2021, 9:00 AM CDT
In force: 63 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Jefferson Davis Parish, LA, Orange County, TX

The radar

The Lake Charles radar (KLCH), 20 km from the middle of the area, began a volume at 13:00 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
Apr 14, 8:58 AM CDT	HAIL 1	3 Ene Grand Lake, LA	MULTIPLE REPORTS OF QUARTER SIZE HAIL.
Apr 14, 9:00 AM CDT	HAIL 1	3 Ene Grand Lake, LA

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

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.0 hours before the alert went out and 21 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

344 
WUUS54 KLCH 141257
SVRLCH
LAC003-011-019-023-053-TXC361-141400-
/O.NEW.KLCH.SV.W.0039.210414T1257Z-210414T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
757 AM CDT Wed Apr 14 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Northwestern Cameron Parish in southwestern Louisiana...
  Western Jefferson Davis Parish in southwestern Louisiana...
  South central Beauregard Parish in southwestern Louisiana...
  Calcasieu Parish in southwestern Louisiana...
  Southwestern Allen Parish in southwestern Louisiana...
  Northeastern Orange County in southeastern Texas...

* Until 900 AM CDT.

* At 756 AM CDT, a severe thunderstorm was located over Edgerly, or
  near Vinton, moving east at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Lake Charles, Sulphur, Orange, Westlake, Vinton, Iowa, Reeves,
  Grand Lake, Lake Charles Regional Airport, Hayes, Moss Bluff,
  Carlyss, Buller, Buhler, Topsy, Forest Heights, Toomey, Lebleu
  Settlement, Gillis and Edgerly.

This includes the following highways...
 Interstate 10 in Texas between mile markers 880 and 878.
 Interstate 10 in Louisiana between mile markers 1 and 49.
 Interstate 210 between mile markers 1 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3024 9378 3024 9371 3028 9371 3053 9302
      3005 9284 3001 9327 3002 9327 3005 9329
      3005 9333 3000 9334 2997 9370
TIME...MOT...LOC 1256Z 263DEG 34KT 3020 9351 

HAIL...1.25IN
WIND...60MPH
 
$$

K. Kuyper

1 follow-up statement

747 
WWUS54 KLCH 141320
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
820 AM CDT Wed Apr 14 2021

TXC361-141330-
/O.CAN.KLCH.SV.W.0039.000000T0000Z-210414T1400Z/
Orange TX-
820 AM CDT Wed Apr 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ORANGE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3015 9353 3024 9356 3031 9359 3052 9302
      3005 9284 3001 9326 3004 9328 3005 9328
      3005 9333 3000 9334 2999 9348
TIME...MOT...LOC 1320Z 263DEG 34KT 3023 9325 

$$

LAC003-011-019-023-053-141400-
/O.CON.KLCH.SV.W.0039.000000T0000Z-210414T1400Z/
Cameron LA-Jefferson Davis LA-Beauregard LA-Calcasieu LA-Allen LA-
820 AM CDT Wed Apr 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR NORTH CENTRAL CAMERON...WESTERN JEFFERSON DAVIS...SOUTH CENTRAL
BEAUREGARD...CALCASIEU AND SOUTHWESTERN ALLEN PARISHES...

At 820 AM CDT, a severe thunderstorm was located over Westlake,
moving east at 40 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Lake Charles, Sulphur, Westlake, Iowa, Reeves, Grand Lake, Lake
Charles Regional Airport, Hayes, Moss Bluff, Carlyss, Buller, Buhler,
Topsy, Lebleu Settlement, Gillis, Edgerly, Holmwood, Hackberry, Bell
City and Lacassine.

This includes the following highways...
 Interstate 10 in Louisiana between mile markers 11 and 48.
 Interstate 210 between mile markers 1 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3015 9353 3024 9356 3031 9359 3052 9302
      3005 9284 3001 9326 3004 9328 3005 9328
      3005 9333 3000 9334 2999 9348
TIME...MOT...LOC 1320Z 263DEG 34KT 3023 9325 

HAIL...1.25IN
WIND...60MPH
 
$$

Jones

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, 7:00 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Lafayette, Saint Landry, Saint Martin	30 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, 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
Apr 14, 6:00 AM CDT	Special Weather Statement	LCH	Hardin, Jasper, Newton	30 min
Apr 14, 6:31 AM CDT	Special Weather Statement	LCH	Orange	29 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2021 Severe Thunderstorm Warnings in Texas, 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.