Alert archive / Louisiana / Tornado Warnings in 2021

Tornado Warning 7, NWS Lake Charles, LA

April 7, 2021Avoyelles Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Apr 7, 2021, 9:44 PM CDT for Avoyelles Parish, Louisiana. It was in force for 31 min. 6 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 7, 2021, 9:44 PM CDT (02:44 UTC)
Expired: Apr 7, 2021, 10:15 PM CDT
In force: 31 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Avoyelles Parish, LA

The radar

The Ft Polk radar (KPOE), 108 km from the middle of the area, began a volume at 02:42 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

Time	Report	Where	Remark
Apr 7, 9:52 PM CDT	TSTM WND DMG	1 S Marksville, LA	MINOR WIND RELATED DAMAGE TO BUILDINGS AND SIGNS ON THE SOUTHSIDE OF MARKSVILLE. DAMAGE WAS SEEN AT THE SONIC DRIVE-IN AS WELL AS THE AVOYELLES PARISH 911 OFFICE. THIS WAS POSSIBLY DUE TO A TORNADO.
Apr 7, 9:52 PM CDT	TSTM WND DMG	1 S Marksville, LA	MINOR WIND RELATED DAMAGE TO BUILDINGS AND SIGNS ON THE SOUTHSIDE OF MARKSVILLE. DAMAGE WAS SEEN AT THE SONIC DRIVE-IN AS WELL AS THE AVOYELLES PARISH 911 OFFICE. THIS WAS NOT A TORNADO.
Apr 7, 9:52 PM CDT	TORNADO	3 S Marksville, LA	AN EF1 TORNADO TOUCHED DOWN AT THE CHARTER SCHOOL,DAMAGING SOME OF THE EXTERIOR WALLS. SEVERAL ROOFS OF OUTSIDE BALLFIELDS WERE DESTROYED. MANY TREES WERE SNAPPED OR UPROOTED NEAR OLD RIVER ROAD EAST OF THE SCHOOL.
Apr 7, 9:54 PM CDT	TSTM WND DMG	3 S Marksville, LA	MINOR WIND RELATED DAMAGE AT THE AVOYELLES PUBLIC CHARTER SCHOOL LOCATED NEAR MANSURA. THIS WAS POSSIBLY DUE TO A TORNADO.
Apr 7, 10:16 PM CDT	TSTM WND DMG	2 Ese Bordelonville, LA	AN EF1 TORNADO TOUCHED DOWN ALONG HWY 451 AND PETELABORDE RD. ONE HOME LOST ITS ROOF. SEVERAL BARNS AND OUTBUILDINGS LOST ROOFS. SEVERAL TREES WERE SNAPPED OR UPROOTED.
Apr 7, 10:17 PM CDT	TSTM WND DMG	2 Se Bordelonville, LA	ROOF OFF OF A BUILDING ON PETE LABORDE RD NEAR BORDELONVILLE. THIS WAS POSSIBLY DUE TO A TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.7 hours before the alert went out and 165 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: 1905 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 204 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 12.6

Open this sounding in Storm Lab

The text

As transmitted.

874 
WFUS54 KLCH 080244
TORLCH
LAC009-080315-
/O.NEW.KLCH.TO.W.0007.210408T0244Z-210408T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
944 PM CDT Wed Apr 7 2021

The National Weather Service in Lake Charles has issued a

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

* Until 1015 PM CDT.
    
* At 944 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Marksville, moving east at 35 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Moreauville around 955 PM CDT.
  Bordelonville around 1005 PM CDT.
  Simmesport around 1010 PM CDT.
  Big Bend around 1015 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Hamburg.

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 3103 9173 3100 9177 3099 9178 3098 9180
      3097 9181 3105 9215 3115 9214 3118 9171
TIME...MOT...LOC 0244Z 272DEG 30KT 3109 9209 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

24

1 follow-up statement

876 
WWUS54 KLCH 080256
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
956 PM CDT Wed Apr 7 2021

LAC009-080315-
/O.CON.KLCH.TO.W.0007.000000T0000Z-210408T0315Z/
Avoyelles LA-
956 PM CDT Wed Apr 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR EAST
CENTRAL AVOYELLES PARISH...
    
At 956 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Moreauville, moving east at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
  Bordelonville around 1005 PM CDT.
  Simmesport around 1010 PM CDT.
  Big Bend around 1015 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Hamburg.

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 3103 9173 3100 9177 3099 9178 3098 9180
      3097 9181 3104 9210 3115 9206 3118 9171
TIME...MOT...LOC 0256Z 272DEG 30KT 3109 9197 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 7:07 PM CDT	Special Weather Statement	LCH	Vernon	38 min
Apr 7, 7:53 PM CDT	Severe Thunderstorm Warning	LCH	Vernon	16 min
Apr 7, 8:17 PM CDT	Special Weather Statement	LCH	Vernon	43 min
Apr 7, 8:33 PM CDT	Special Weather Statement	LCH	Rapides	42 min
Apr 7, 9:01 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	44 min
Apr 7, 9:11 PM CDT	Tornado Warning	LCH	Avoyelles, Rapides	19 min
Apr 7, 9:33 PM CDT	Special Weather Statement	LCH	Allen, Beauregard, Evangeline	42 min
Apr 7, 9:37 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles	38 min
Apr 7, 10:11 PM CDT	Tornado Warning	LCH	Avoyelles	19 min
Apr 7, 11:39 PM CDT	Special Weather Statement	LCH	Saint Landry	51 min
Apr 8, 12:31 AM CDT	Severe Thunderstorm Warning	LCH	Saint Landry	16 min
Apr 8, 12:39 AM CDT	Special Weather Statement	LCH	Lafayette	36 min
Apr 8, 6:22 AM CDT	Dense Fog Advisory	LCH	Avoyelles, Rapides	3 hr

Nearby

Tornado Warnings in Louisiana, 2021 Every tornado warning in 2021 Tornadoes 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.