Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Lake Charles, LA

June 13, 2021Rapides Parish, Vernon Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 13, 2021, 8:48 PM CDT for Rapides Parish, Vernon Parish, Louisiana. It was in force for 29 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: Jun 13, 2021, 8:48 PM CDT (01:48 UTC)
Expired: Jun 13, 2021, 9:17 PM CDT
In force: 29 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Rapides Parish, LA, Vernon Parish, LA

The radar

The Ft Polk radar (KPOE), 32 km from the middle of the area, began a volume at 01:50 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, 1.8 hours before the alert went out and 147 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: 1966 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1676 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

024 
WUUS54 KLCH 140148
SVRLCH
LAC079-115-140230-
/O.NEW.KLCH.SV.W.0097.210614T0148Z-210614T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
848 PM CDT Sun Jun 13 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Western Rapides Parish in central Louisiana...
  Northeastern Vernon Parish in west central Louisiana...

* Until 930 PM CDT.

* At 848 PM CDT, a severe thunderstorm was located over Boyce, moving
  southwest 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...
  Alexandria, Boyce, Hineston, Lena, Lacamp, Hutton, Clifton,
  Flatwoods, Otis, Elmer, Leander, Sieper, Gardner, Calcasieu and
  Simpson.

This includes Interstate 49 between mile markers 93 and 109.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3149 9270 3150 9268 3147 9271 3145 9270
      3145 9268 3140 9269 3140 9267 3139 9265
      3141 9253 3097 9265 3130 9313 3136 9302
      3135 9295 3137 9295 3137 9292 3139 9291
      3139 9289 3142 9287 3142 9285 3152 9272
TIME...MOT...LOC 0148Z 035DEG 18KT 3143 9266 

HAIL...1.00IN
WIND...60MPH
 
$$

24

1 follow-up statement

985 
WWUS54 KLCH 140217
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
917 PM CDT Sun Jun 13 2021

LAC079-115-140227-
/O.CAN.KLCH.SV.W.0097.000000T0000Z-210614T0230Z/
Rapides LA-Vernon LA-
917 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN RAPIDES AND
NORTHEASTERN VERNON 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 gusty winds are
still possible with this thunderstorm.

LAT...LON 3149 9270 3150 9268 3147 9271 3145 9270
      3145 9268 3140 9269 3140 9267 3139 9265
      3141 9253 3097 9265 3130 9313 3136 9302
      3135 9295 3137 9295 3137 9292 3139 9291
      3139 9289 3142 9287 3142 9285 3152 9272
TIME...MOT...LOC 0215Z 035DEG 18KT 3131 9276 

$$

24

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 7:46 PM CDT	Special Weather Statement	LCH	Avoyelles	44 min
Jun 13, 7:56 PM CDT	Special Weather Statement	LCH	Rapides	49 min
Jun 13, 8:29 PM CDT	Special Weather Statement	LCH	Rapides	46 min
Jun 13, 8:38 PM CDT	Special Weather Statement	LCH	Avoyelles	52 min
Jun 13, 8:58 PM CDT	Special Weather Statement	LCH	Rapides	47 min
Jun 13, 9:10 PM CDT	Severe Thunderstorm Warning	LCH	Evangeline, Rapides	18 min
Jun 13, 9:57 PM CDT	Special Weather Statement	LCH	Iberia, Lafayette	48 min
Jun 13, 10:45 PM CDT	Special Weather Statement	LCH	Jefferson Davis, Vermilion	45 min
Jun 13, 11:37 PM CDT	Special Weather Statement	LCH	Cameron	38 min
Jun 14, 1:16 AM CDT	Special Marine Warning	LCH		41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.