Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Lake Charles, LA

April 10, 2021Avoyelles Parish, Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 10, 2021, 1:13 AM CDT for Avoyelles Parish, Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 47 min. 3 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 10, 2021, 1:13 AM CDT (06:13 UTC)
Expired
Apr 10, 2021, 2:00 AM CDT
In force
47 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Avoyelles Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA

The radar

The Ft Polk radar (KPOE), 114 km from the middle of the area, began a volume at 06:13 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

TimeReportWhereRemark
Apr 10, 1:26 AM CDTTORNADO 13 W Lebeau, LAA TEAM DOING RESEARCH WITH NSSL FOUND DAMAGE WITH THIS TORNADO.MOST OF THE DAMAGE WAS TREE DAMAGE WEST OF HWY 71 AND CROSSINGHWY 71. IT DID DESTROY A BARN BEFORE THE DAMAGE PATH WAS LOST NEAR HWY 361.
Apr 10, 1:27 AM CDTTORNADO3 W Lebeau, LATDS DECTED FROM KPOE LAST FOR AT LEAST 12 MINUTES.
Apr 10, 2:06 AM CDTTORNADO 35 Sw Palmetto, LA*** 1 FATAL, 7 INJ *** A STRONG TORNADO TOUCHED DOWN ON BOLDEN ROAD, DESTROYING SEVERAL HOMES. SINGLE WIDE MOBILE HOME THAT WAS TIED DOWN ROLLED NUMEROUS TIMES OVER 320 YARDS. ONE MAN DIED IN THIS HOME. DOUBLE WIDE MOBILE HOME NEXT DOOR ROLLED OVER 100 YARDS.

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.

IssuedProductOfficeLasted
Apr 9, 10:25 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 10, 12:16 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.2 hours before the alert went out and 149 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2773 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

525 
WUUS54 KLCH 100613
SVRLCH
LAC009-039-097-100700-
/O.NEW.KLCH.SV.W.0028.210410T0613Z-210410T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
113 AM CDT Sat Apr 10 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  East central Evangeline Parish in central Louisiana...
  South central Avoyelles Parish in central Louisiana...
  Northeastern St. Landry Parish in central Louisiana...

* Until 200 AM CDT.

* At 113 AM CDT, a severe thunderstorm was located over Grand
  Prairie, or 7 miles east of Ville Platte, moving northeast 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...
  Ville Platte, Palmetto, Bayou Current, Morrow, Whiteville, Big
  Cane, Goudeau, Grand Prairie and Lebeau.

This includes Interstate 49 between mile markers 28 and 39.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 AM CDT for central
Louisiana.

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

&&

LAT...LON 3087 9182 3086 9182 3083 9180 3082 9181
      3081 9181 3078 9177 3076 9175 3074 9176
      3073 9175 3072 9175 3059 9221 3071 9228
      3096 9188
TIME...MOT...LOC 0613Z 240DEG 23KT 3068 9216 

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

24

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 9:08 PM CDTSpecial Weather StatementLCHRapides82 min
Apr 9, 9:24 PM CDTSevere Thunderstorm WarningLCHRapides81 min
Apr 10, 12:28 AM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides47 min
Apr 10, 12:52 AM CDTSpecial Weather StatementLCHVernon38 min
Apr 10, 12:53 AM CDTTornado WarningLCHAvoyelles, Rapides22 min
Apr 10, 1:10 AM CDTTornado WarningLCHAvoyelles35 min
Apr 10, 1:22 AM CDTTornado WarningLCHAvoyelles, Saint Landry23 min
Apr 10, 1:34 AM CDTSevere Thunderstorm WarningLCHSaint Landry41 min
Apr 10, 1:40 AM CDTTornado WarningLCHAvoyelles, Saint Landry18 min
Apr 10, 1:42 AM CDTTornado WarningLCHSaint Landry33 min
Apr 10, 2:11 AM CDTTornado WarningLCHSaint Landry34 min
Apr 10, 4:11 AM CDTSevere Thunderstorm WarningLCHBeauregard, Calcasieu49 min
Apr 10, 4:58 AM CDTSpecial Weather StatementLCHLafayette, Saint Martin, Vermilion62 min
Apr 10, 5:00 AM CDTSpecial Weather StatementLCHCalcasieu60 min
Apr 10, 6:01 AM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron, Jefferson Davis29 min
Apr 10, 6:05 AM CDTSpecial Weather StatementLCHIberia, St. Mary, Vermilion40 min
Apr 10, 6:51 AM CDTSpecial Marine WarningLCH54 min
Apr 10, 6:55 AM CDTSpecial Weather StatementLCHVermilion50 min
Apr 10, 10:44 AM CDTSevere Thunderstorm WarningLCHSt. Mary31 min
Apr 10, 11:14 AM CDTSevere Thunderstorm WarningLCHSt. Mary12 min
Apr 10, 11:56 AM CDTRiver Flood WarningLCHBeauregard, Calcasieu3 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 2021Every 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.