Alert archive / Louisiana / Tornado Warnings in 2021

Tornado Warning 6, NWS Lake Charles, LA

April 7, 2021Avoyelles Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Apr 7, 2021, 9:11 PM CDT for Avoyelles Parish, Rapides Parish, Louisiana. It was in force for 19 min. 1 report 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, 9:11 PM CDT (02:11 UTC)
Expired: Apr 7, 2021, 9:30 PM CDT
In force: 19 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Avoyelles Parish, LA, Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 61 km from the middle of the area, began a volume at 02:10 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, 9:13 PM CDT	TORNADO	3 Nne Lecompte, LA	AN EF1 TORNADO TOUCHED DOWN ALONG LAMOURIE RD,REMOVING THE ROOF OF A SMALL BARN AND FLIPPING OVER AN UNTIED SINGLE WIDE MOBILE HOME. SEVERAL TREES WERE SNAPPED AS WELL.

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, 2.2 hours before the alert went out and 140 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.

245 
WFUS54 KLCH 080211
TORLCH
LAC009-079-080230-
/O.NEW.KLCH.TO.W.0006.210408T0211Z-210408T0230Z/

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

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  East central Rapides Parish in central Louisiana...
  Northwestern Avoyelles Parish in central Louisiana...

* Until 930 PM CDT.
    
* At 911 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Lecompte, or 11 miles south of Alexandria, moving
  east at 25 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...
  Poland, Echo and Ruby around 930 PM CDT.

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 3109 9247 3119 9248 3127 9213 3105 9213
TIME...MOT...LOC 0211Z 269DEG 20KT 3114 9241 

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

$$

24

1 follow-up statement

039 
WWUS54 KLCH 080226
SVSLCH

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

LAC009-079-080236-
/O.EXP.KLCH.TO.W.0006.000000T0000Z-210408T0230Z/
Rapides LA-Avoyelles LA-
926 PM CDT Wed Apr 7 2021

...THE TORNADO WARNING FOR EAST CENTRAL RAPIDES AND NORTHWESTERN
AVOYELLES PARISHES WILL EXPIRE AT 930 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  

LAT...LON 3109 9247 3119 9248 3127 9213 3105 9213
TIME...MOT...LOC 0226Z 269DEG 20KT 3114 9232 

$$

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, 9:33 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, 9:44 PM CDT	Tornado Warning	LCH	Avoyelles	31 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.