Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 72, NWS Lake Charles, LA

May 10, 2021Avoyelles Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at May 10, 2021, 4:48 AM CDT for Avoyelles Parish, Rapides Parish, Louisiana. It was in force for 45 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: May 10, 2021, 4:48 AM CDT (09:48 UTC)
Expired: May 10, 2021, 5:33 AM CDT
In force: 45 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Avoyelles Parish, LA, Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 92 km from the middle of the area, began a volume at 09:51 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, 9.8 hours before the alert went out and 167 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: 1849 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 683 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

As transmitted.

998 
WUUS54 KLCH 100948
SVRLCH
LAC009-079-101045-
/O.NEW.KLCH.SV.W.0072.210510T0948Z-210510T1045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
448 AM CDT Mon May 10 2021

The National Weather Service in Lake Charles has issued a

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

* Until 545 AM CDT.

* At 447 AM CDT, a severe thunderstorm was located 7 miles northwest
  of Lecompte, or 9 miles south of 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...
  Alexandria, Marksville, Moreauville, Bordelonville, Effie,
  Cottonport, Mansura, Lecompte, Hessmer, Plaucheville, Echo,
  Brouillette, Lake Ophelia National Wildlife Refuge, Poland,
  Centerpoint, Ruby, Woodworth and Hamburg.

This includes Interstate 49 between mile markers 67 and 81.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3126 9185 3094 9187 3111 9261 3125 9261
      3128 9201 3127 9199 3126 9200 3125 9199
      3124 9200 3124 9199 3123 9199 3122 9198
      3125 9195 3122 9194 3123 9192 3127 9195
      3129 9194 3129 9188
TIME...MOT...LOC 0947Z 275DEG 28KT 3116 9250 

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

Tingler

3 follow-up statements

312 
WWUS54 KLCH 101008
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
508 AM CDT Mon May 10 2021

LAC009-079-101045-
/O.CON.KLCH.SV.W.0072.000000T0000Z-210510T1045Z/
Rapides LA-Avoyelles LA-
508 AM CDT Mon May 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT
FOR EAST CENTRAL RAPIDES AND CENTRAL AVOYELLES PARISHES...

At 508 AM CDT, a severe thunderstorm was located over Poland, or 9
miles north of Cheneyville, 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...
Marksville, Moreauville, Bordelonville, Effie, Cottonport, Mansura,
Hessmer, Plaucheville, Echo, Brouillette, Lake Ophelia National
Wildlife Refuge, Poland, Centerpoint, Ruby and Hamburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3126 9185 3094 9187 3111 9242 3126 9240
      3128 9201 3127 9199 3126 9200 3125 9199
      3124 9200 3124 9199 3123 9199 3122 9198
      3125 9195 3122 9194 3123 9192 3127 9195
      3129 9194 3129 9188
TIME...MOT...LOC 1008Z 275DEG 28KT 3115 9231 

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

Tingler

186 
WWUS54 KLCH 101026
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
526 AM CDT Mon May 10 2021

LAC079-101036-
/O.CAN.KLCH.SV.W.0072.000000T0000Z-210510T1045Z/
Rapides LA-
526 AM CDT Mon May 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL RAPIDES PARISH IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3099 9187 3110 9222 3119 9222 3122 9199
      3122 9194 3123 9190 3123 9185 3114 9186
TIME...MOT...LOC 1026Z 273DEG 28KT 3113 9215 

$$

LAC009-101045-
/O.CON.KLCH.SV.W.0072.000000T0000Z-210510T1045Z/
Avoyelles LA-
526 AM CDT Mon May 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT
FOR CENTRAL AVOYELLES PARISH...

At 526 AM CDT, a severe thunderstorm was located near Marksville,
moving east at 30 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Marksville, Moreauville, Bordelonville, Mansura, Brouillette and
Hamburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3099 9187 3110 9222 3119 9222 3122 9199
      3122 9194 3123 9190 3123 9185 3114 9186
TIME...MOT...LOC 1026Z 273DEG 28KT 3113 9215 

HAIL...1.00IN
WIND...<50MPH
 
$$

Tingler

814 
WWUS54 KLCH 101033
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
533 AM CDT Mon May 10 2021

LAC009-101042-
/O.CAN.KLCH.SV.W.0072.000000T0000Z-210510T1045Z/
Avoyelles LA-
533 AM CDT Mon May 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL AVOYELLES PARISH IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.

LAT...LON 3099 9187 3110 9222 3119 9222 3122 9199
      3122 9194 3123 9190 3123 9185 3114 9186
TIME...MOT...LOC 1032Z 275DEG 28KT 3113 9209 

$$

Tingler

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:22 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Vernon	53 min
May 9, 8:17 PM CDT	Special Weather Statement	LCH	Allen	43 min
May 9, 8:51 PM CDT	Special Weather Statement	LCH	Rapides	39 min
May 9, 9:55 PM CDT	Special Weather Statement	LCH	Evangeline	50 min
May 9, 10:09 PM CDT	Special Weather Statement	LCH	Allen	51 min
May 10, 12:33 AM CDT	Special Weather Statement	LCH	Saint Martin	27 min
May 10, 3:08 AM CDT	Special Weather Statement	LCH	Vernon	37 min
May 10, 3:45 AM CDT	Special Weather Statement	LCH	Rapides	30 min
May 10, 4:36 AM CDT	Special Weather Statement	LCH	Rapides	24 min
May 10, 6:17 AM CDT	Special Weather Statement	LCH	Evangeline	43 min
May 10, 6:40 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Evangeline, Saint Landry	25 min
May 10, 7:23 AM CDT	Special Weather Statement	LCH	Saint Landry	22 min
May 10, 7:27 AM CDT	Special Weather Statement	LCH	Saint Landry	33 min
May 10, 7:47 AM CDT	Special Weather Statement	LCH	Saint Landry	13 min
May 10, 8:00 AM CDT	Special Weather Statement	LCH	Saint Landry	15 min
May 10, 8:33 AM CDT	Special Weather Statement	LCH	Saint Martin	27 min
May 10, 10:08 AM CDT	River Flood Warning	LCH	Beauregard, Vernon	5 days
May 10, 10:08 AM CDT	River Flood Warning	LCH	Beauregard, Vernon	38 days
May 10, 6:33 PM CDT	Special Weather Statement	LCH	Avoyelles	57 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.