Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 25, NWS Lake Charles, LA

April 9, 2021Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 9, 2021, 9:24 PM CDT for Rapides Parish, Louisiana. It was in force for 81 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: Apr 9, 2021, 9:24 PM CDT (02:24 UTC)
Expired: Apr 9, 2021, 10:45 PM CDT
In force: 81 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 49 km from the middle of the area, began a volume at 02:25 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, 2.4 hours before the alert went out and 152 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: 2773 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 733 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

As transmitted.

229 
WUUS54 KLCH 100224
SVRLCH
LAC079-100345-
/O.NEW.KLCH.SV.W.0025.210410T0224Z-210410T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
924 PM CDT Fri Apr 9 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Rapides Parish in central Louisiana...

* Until 1045 PM CDT.

* At 924 PM CDT, severe thunderstorms were located along a line
  extending from 14 miles south of Winnfield to near Flatwoods to
  Hutton, moving east 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...
  Alexandria, Pineville, Boyce, Lena, Alexandria International
  Airport, Ball, Lecompte, Deville, Libuse, Tioga, Timber Trails,
  Esler Regional Airport, Clifton, Flatwoods, Otis, Kingsville,
  Sieper, Kolin, Gardner and Ruby.

This includes Interstate 49 between mile markers 68 and 109.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3150 9268 3145 9271 3145 9268 3140 9269
      3139 9266 3148 9220 3147 9216 3141 9215
      3135 9207 3130 9216 3133 9219 3133 9222
      3120 9223 3107 9242 3120 9283 3125 9283
      3129 9288 3132 9288 3134 9298 3152 9272
TIME...MOT...LOC 0224Z 282DEG 23KT 3172 9259 3146 9285 3134 9303 

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

Landreneau

3 follow-up statements

511 
WWUS54 KLCH 100250
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
950 PM CDT Fri Apr 9 2021

LAC079-100345-
/O.CON.KLCH.SV.W.0025.000000T0000Z-210410T0345Z/
Rapides LA-
950 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR CENTRAL RAPIDES PARISH...

At 950 PM CDT, severe thunderstorms were located along a line
extending from near Colfax to near Boyce to Sieper, moving east at 40
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, Pineville, Boyce, Alexandria International Airport, Ball,
Lecompte, Deville, Libuse, Tioga, Timber Trails, Esler Regional
Airport, Clifton, Otis, Kingsville, Sieper, Kolin, Gardner, Ruby,
Holloway and Paradise.

This includes Interstate 49 between mile markers 68 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3150 9268 3145 9271 3145 9268 3140 9269
      3139 9266 3148 9220 3147 9216 3141 9215
      3135 9207 3130 9216 3133 9219 3133 9222
      3120 9223 3107 9242 3120 9283 3125 9283
      3129 9288 3132 9288 3152 9272
TIME...MOT...LOC 0250Z 271DEG 35KT 3152 9266 3134 9264 3120 9281 

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

Landreneau

779 
WWUS54 KLCH 100311
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
1011 PM CDT Fri Apr 9 2021

LAC079-100345-
/O.CON.KLCH.SV.W.0025.000000T0000Z-210410T0345Z/
Rapides LA-
1011 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHEASTERN RAPIDES PARISH...

At 1011 PM CDT, severe thunderstorms were located along a line
extending from 7 miles north of Ball to Tioga to near Gardner, moving
east at 30 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, Pineville, Alexandria International Airport, Ball,
Deville, Libuse, Tioga, Timber Trails, Esler Regional Airport,
Kingsville, Kolin, Holloway and Paradise.

This includes Interstate 49 between mile markers 79 and 99.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3139 9266 3148 9220 3147 9216 3141 9215
      3135 9207 3130 9216 3133 9219 3133 9222
      3120 9223 3126 9268
TIME...MOT...LOC 0311Z 254DEG 28KT 3152 9244 3138 9246 3129 9266 

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

Landreneau

933 
WWUS54 KLCH 100334
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
1034 PM CDT Fri Apr 9 2021

LAC079-100345-
/O.CON.KLCH.SV.W.0025.000000T0000Z-210410T0345Z/
Rapides LA-
1034 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHEASTERN RAPIDES PARISH...

At 1034 PM CDT, severe thunderstorms were located along a line
extending from 11 miles north of Holloway to Esler Regional Airport
to Alexandria, moving east at 30 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...
Pineville, Ball, Deville, Kingsville, Libuse, Tioga, Timber Trails,
Esler Regional Airport, Holloway and Paradise.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3141 9252 3148 9220 3147 9216 3141 9215
      3135 9207 3130 9216 3133 9219 3133 9222
      3131 9222 3131 9240
TIME...MOT...LOC 0334Z 262DEG 25KT 3155 9227 3141 9227 3132 9247 

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

Landreneau

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 9:08 PM CDT	Special Weather Statement	LCH	Rapides	82 min
Apr 10, 12:28 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	47 min
Apr 10, 12:52 AM CDT	Special Weather Statement	LCH	Vernon	38 min
Apr 10, 12:53 AM CDT	Tornado Warning	LCH	Avoyelles, Rapides	22 min
Apr 10, 1:10 AM CDT	Tornado Warning	LCH	Avoyelles	35 min
Apr 10, 1:13 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Evangeline, Saint Landry	47 min
Apr 10, 1:22 AM CDT	Tornado Warning	LCH	Avoyelles, Saint Landry	23 min
Apr 10, 1:34 AM CDT	Severe Thunderstorm Warning	LCH	Saint Landry	41 min
Apr 10, 1:40 AM CDT	Tornado Warning	LCH	Avoyelles, Saint Landry	18 min
Apr 10, 1:42 AM CDT	Tornado Warning	LCH	Saint Landry	33 min
Apr 10, 2:11 AM CDT	Tornado Warning	LCH	Saint Landry	34 min
Apr 10, 4:11 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	49 min
Apr 10, 4:58 AM CDT	Special Weather Statement	LCH	Lafayette, Saint Martin, Vermilion	62 min
Apr 10, 5:00 AM CDT	Special Weather Statement	LCH	Calcasieu	60 min
Apr 10, 6:01 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron, Jefferson Davis	29 min
Apr 10, 6:05 AM CDT	Special Weather Statement	LCH	Iberia, St. Mary, Vermilion	40 min
Apr 10, 6:51 AM CDT	Special Marine Warning	LCH		54 min
Apr 10, 6:55 AM CDT	Special Weather Statement	LCH	Vermilion	50 min
Apr 10, 10:44 AM CDT	Severe Thunderstorm Warning	LCH	St. Mary	31 min
Apr 10, 11:14 AM CDT	Severe Thunderstorm Warning	LCH	St. Mary	12 min
Apr 10, 11:56 AM CDT	River Flood Warning	LCH	Beauregard, Calcasieu	3 hr

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.