Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 58, NWS Lake Charles, LA

April 23, 2021Avoyelles Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2021, 8:25 PM CDT for Avoyelles Parish, Rapides Parish, Louisiana. It was in force for 1 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 23, 2021, 8:25 PM CDT (01:25 UTC)
Expired
Apr 23, 2021, 8:26 PM CDT
In force
1 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Avoyelles Parish, LA, Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 49 km from the middle of the area, began a volume at 01:25 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 23, 2:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.4 hours before the alert went out and 134 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 2021-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 865 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 383 square meters per square second.1939587897117Sfc1 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
865 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
383 m²/s²
0-3 km storm-relative helicity
442 m²/s²
Significant tornado parameter
2.4
Supercell composite
10.3

Open this sounding in Storm Lab

The text

As transmitted.

752 
WUUS54 KLCH 240125
SVRLCH
LAC009-079-240230-
/O.NEW.KLCH.SV.W.0058.210424T0125Z-210424T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
825 PM CDT Fri Apr 23 2021

The National Weather Service in Lake Charles has issued a

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

* Until 930 PM CDT.

* At 825 PM CDT, a severe thunderstorm was located near Hineston,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Alexandria, Pineville, Marksville, Hineston, Effie, Lecompte,
  Deville, Echo, Elmer, Poland, Kolin, Centerpoint, Ruby, Calcasieu,
  Woodworth and Forest Hill.

This includes Interstate 49 between mile markers 67 and 84.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for central and
west central Louisiana.

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

&&

LAT...LON 3114 9206 3098 9282 3101 9283 3117 9283
      3140 9215
TIME...MOT...LOC 0125Z 249DEG 36KT 3110 9277 

HAIL...0.88IN
WIND...60MPH
 
$$

Stigger/87
1 follow-up statement
237 
WWUS54 KLCH 240126
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
826 PM CDT Fri Apr 23 2021

LAC009-079-240136-
/O.CAN.KLCH.SV.W.0058.000000T0000Z-210424T0230Z/
Rapides LA-Avoyelles LA-
826 PM CDT Fri Apr 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RAPIDES AND
NORTHWESTERN AVOYELLES PARISHES IS CANCELLED...
    
The severe thunderstorm which prompted the warning will be reissued 
as a tor/

A Tornado Watch remains in effect until 900 PM CDT for central and
west central Louisiana.

LAT...LON 3114 9206 3098 9282 3101 9283 3117 9283
      3140 9215
TIME...MOT...LOC 0123Z 249DEG 36KT 3110 9276 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:15 PM CDTSevere Thunderstorm WarningLCHVernon60 min
Apr 23, 7:35 PM CDTTornado WarningLCHVernon25 min
Apr 23, 7:45 PM CDTSevere Thunderstorm WarningLCHBeauregard22 min
Apr 23, 7:57 PM CDTTornado WarningLCHBeauregard33 min
Apr 23, 8:00 PM CDTSevere Thunderstorm WarningLCHRapides, Vernon60 min
Apr 23, 8:26 PM CDTTornado WarningLCHRapides, Vernon34 min
Apr 23, 8:29 PM CDTTornado WarningLCHBeauregard31 min
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAllen21 days
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAllen, Rapides21 days
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAcadia, Evangeline, Saint Landry40 hr
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAllen, Beauregard5 days
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAllen, Beauregard4 days
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAcadia, Allen, Evangeline, Jefferson Davis21 days
Apr 23, 8:51 PM CDTRiver Flood WarningLCHAllen, Calcasieu, Jefferson Davis21 days
Apr 23, 9:00 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides60 min
Apr 23, 9:00 PM CDTSevere Thunderstorm WarningLCHAllen, Beauregard, Evangeline, Rapides, Vernon14 min
Apr 23, 9:34 PM CDTSevere Thunderstorm WarningLCHAllen, Rapides26 min
Apr 23, 9:43 PM CDTSevere Thunderstorm WarningLCHAllen, Beauregard, Vernon13 min
Apr 23, 9:57 PM CDTSevere Thunderstorm WarningLCHAllen, Evangeline33 min
Apr 23, 10:19 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Evangeline, Rapides, Saint Landry41 min
Apr 23, 10:58 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Evangeline, Saint Landry46 min
Apr 23, 11:01 PM CDTSpecial Weather StatementLCHJefferson Davis44 min
Apr 23, 11:12 PM CDTSpecial Weather StatementLCHBeauregard33 min
Apr 23, 11:28 PM CDTSpecial Weather StatementLCHCameron17 min
Apr 23, 11:41 PM CDTSpecial Weather StatementLCHAcadia34 min
Apr 23, 11:50 PM CDTSpecial Weather StatementLCHCameron, Jefferson Davis25 min
Apr 24, 12:29 AM CDTSpecial Marine WarningLCH61 min
Apr 24, 12:36 AM CDTSpecial Weather StatementLCHAcadia, Lafayette, Saint Landry54 min
Apr 24, 1:26 AM CDTSpecial Marine WarningLCH64 min
Apr 24, 1:31 AM CDTSpecial Weather StatementLCHCameron, Vermilion44 min
Apr 24, 1:59 AM CDTSevere Thunderstorm WarningLCHCameron, Iberia, Lafayette, Saint Martin, St. Mary, Vermilion61 min
Apr 24, 2:00 AM CDTSpecial Marine WarningLCH60 min
Apr 24, 2:26 AM CDTSpecial Marine WarningLCH64 min
Apr 24, 2:52 AM CDTSevere Thunderstorm WarningLCHIberia, Saint Martin, St. Mary53 min
Apr 24, 2:54 AM CDTSpecial Marine WarningLCH36 min
Apr 24, 2:58 AM CDTRiver Flood WarningLCHLafayette, Saint Martin, Vermilion58 hr
Apr 24, 2:58 AM CDTRiver Flood WarningLCHAcadia, Jefferson Davis, Vermilion21 days

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.