Alert archive / Louisiana / Tornado Warnings in 2023

Tornado Warning 39, NWS Lake Charles, LA

November 20, 2023Avoyelles Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Nov 20, 2023, 7:03 PM CST for Avoyelles Parish, Louisiana. It was in force for 27 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
Nov 20, 2023, 7:03 PM CST (01:03 UTC)
Expired
Nov 20, 2023, 7:30 PM CST
In force
27 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Avoyelles Parish, LA

The radar

The Ft Polk radar (KPOE), 104 km from the middle of the area, began a volume at 01:05 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, 1.1 hours before the alert went out and 176 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 2023-11-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1112 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 2023-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
1112 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
767 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
1.6
Supercell composite
8.8

Open this sounding in Storm Lab

The text

As transmitted.

419 
WFUS54 KLCH 210103
TORLCH
LAC009-210130-
/O.NEW.KLCH.TO.W.0039.231121T0103Z-231121T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
703 PM CST Mon Nov 20 2023

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  Northeastern Avoyelles Parish in central Louisiana...

* Until 730 PM CST.

* At 703 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Marksville, moving east at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Lake Ophelia National Wildlife Refuge around 710 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3126 9185 3127 9184 3123 9179 3120 9173
      3121 9170 3119 9168 3117 9168 3115 9171
      3109 9205 3121 9211 3126 9201 3125 9199
      3124 9200 3122 9199 3125 9196 3124 9195
      3122 9194 3123 9192 3127 9195 3130 9191
TIME...MOT...LOC 0103Z 261DEG 29KT 3114 9200 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

14
3 follow-up statements
039 
WWUS54 KLCH 210104
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
704 PM CST Mon Nov 20 2023

LAC009-210130-
/O.CON.KLCH.TO.W.0039.000000T0000Z-231121T0130Z/
Avoyelles LA-
704 PM CST Mon Nov 20 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR
NORTHEASTERN AVOYELLES PARISH...

At 704 PM CST, a confirmed tornado was located near Marksville,
moving east at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Lake Ophelia National Wildlife Refuge around 710 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to an
interior room on the lowest floor of a sturdy building. Avoid
windows. If you are outdoors, in a mobile home, or in a vehicle, move
to the closest substantial shelter and protect yourself from flying
debris.

&&

LAT...LON 3126 9185 3127 9184 3123 9179 3120 9173
      3121 9170 3119 9168 3117 9168 3115 9171
      3109 9205 3121 9211 3126 9201 3125 9199
      3124 9200 3122 9199 3125 9196 3124 9195
      3122 9194 3123 9192 3127 9195 3130 9191
TIME...MOT...LOC 0104Z 261DEG 29KT 3114 9199 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

14
052 
WWUS54 KLCH 210113
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
713 PM CST Mon Nov 20 2023

LAC009-210130-
/O.CON.KLCH.TO.W.0039.000000T0000Z-231121T0130Z/
Avoyelles LA-
713 PM CST Mon Nov 20 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR
NORTHEASTERN AVOYELLES PARISH...

At 713 PM CST, a confirmed tornado was located near Bordelonville,
moving east at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Avoyelles Parish.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to an
interior room on the lowest floor of a sturdy building. Avoid
windows. If you are outdoors, in a mobile home, or in a vehicle, move
to the closest substantial shelter and protect yourself from flying
debris.

&&

LAT...LON 3126 9185 3127 9184 3123 9179 3120 9173
      3121 9170 3119 9168 3117 9168 3115 9171
      3111 9198 3118 9199 3122 9199 3125 9196
      3124 9195 3122 9194 3123 9192 3127 9195
      3130 9191
TIME...MOT...LOC 0113Z 261DEG 29KT 3115 9190 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

14
484 
WWUS54 KLCH 210129
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
729 PM CST Mon Nov 20 2023

LAC009-210139-
/O.EXP.KLCH.TO.W.0039.000000T0000Z-231121T0130Z/
Avoyelles LA-
729 PM CST Mon Nov 20 2023

...THE TORNADO WARNING FOR NORTHEASTERN AVOYELLES PARISH WILL EXPIRE
AT 730 PM CST...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

&&

LAT...LON 3126 9185 3127 9184 3123 9179 3120 9173
      3121 9170 3119 9168 3117 9168 3115 9171
      3111 9198 3118 9199 3122 9199 3125 9196
      3124 9195 3122 9194 3123 9192 3127 9195
      3130 9191
TIME...MOT...LOC 0129Z 261DEG 29KT 3117 9176 

$$

14

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 20, 6:15 PM CSTTornado Warning Tornado observedLCHAvoyelles, Rapides15 min
Nov 20, 6:29 PM CSTSevere Thunderstorm WarningLCHAvoyelles, Rapides61 min
Nov 20, 7:28 PM CSTTornado WarningLCHAvoyelles32 min
Nov 20, 7:34 PM CSTSpecial Weather StatementLCHCameron26 min
Nov 20, 7:57 PM CSTSpecial Weather StatementLCHAvoyelles33 min
Nov 20, 8:02 PM CSTFlash Flood WarningLCHAvoyelles, Evangeline118 min
Nov 20, 8:02 PM CSTSpecial Weather StatementLCHVermilion43 min
Nov 20, 8:09 PM CSTSpecial Marine WarningLCH36 min
Nov 20, 8:34 PM CSTSevere Thunderstorm WarningLCHAcadia, Vermilion26 min
Nov 20, 8:40 PM CSTSpecial Weather StatementLCHSaint Landry35 min
Nov 20, 8:55 PM CSTSevere Thunderstorm WarningLCHIberia, Lafayette, Saint Martin, Vermilion54 min
Nov 20, 8:59 PM CSTSpecial Marine WarningLCH61 min
Nov 20, 9:52 PM CSTSpecial Weather StatementLCHIberia, Saint Martin53 min
Nov 20, 9:54 PM CSTSpecial Marine WarningLCH66 min
Nov 20, 10:46 PM CSTSpecial Weather StatementLCHIberia, St. Mary59 min

Nearby

Tornado Warnings in Louisiana, 2023Every tornado warning in 2023Tornadoes in 2023

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.