Alert archive / Texas / Tornado Warnings in 2020

Tornado Warning 84, NWS Lake Charles, LA

December 23, 2020Jasper County, Newton County, Texas; Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Dec 23, 2020, 7:12 PM CST for Jasper County, Newton County, Texas; Beauregard Parish, Louisiana. It was in force for 33 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: Dec 23, 2020, 7:12 PM CST (01:12 UTC)
Expired: Dec 23, 2020, 7:45 PM CST
In force: 33 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Beauregard Parish, LA, Jasper County, TX, Newton County, TX

The radar

The Ft Polk radar (KPOE), 69 km from the middle of the area, began a volume at 01:10 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.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.2 hours before the alert went out and 91 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: 666 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 660 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 226 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

As transmitted.

261 
WFUS54 KLCH 240112
TORLCH
LAC011-TXC241-351-240145-
/O.NEW.KLCH.TO.W.0084.201224T0112Z-201224T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
712 PM CST Wed Dec 23 2020

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  Northwestern Beauregard Parish in southwestern Louisiana...
  Central Newton County in southeastern Texas...
  East central Jasper County in southeastern Texas...

* Until 745 PM CST.
    
* At 711 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Roganville, or 7 miles northeast of Kirbyville,
  moving northeast at 30 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...
  Newton around 725 PM CST.
  Bon Weir around 730 PM CST.
  Stringtown and Junction around 745 PM CST.

Other locations impacted by this tornadic thunderstorm include
Bleakwood.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3091 9356 3090 9355 3089 9357 3088 9357
      3087 9356 3088 9355 3088 9353 3078 9345
      3060 9385 3075 9397 3101 9363
TIME...MOT...LOC 0111Z 235DEG 26KT 3074 9382 

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

$$

13

2 follow-up statements

213 
WWUS54 KLCH 240126
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
726 PM CST Wed Dec 23 2020

TXC241-240135-
/O.CAN.KLCH.TO.W.0084.000000T0000Z-201224T0145Z/
Jasper TX-
726 PM CST Wed Dec 23 2020

...THE TORNADO WARNING FOR EAST CENTRAL JASPER COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3065 9374 3082 9383 3095 9359 3091 9356
      3090 9355 3089 9357 3088 9357 3087 9356
      3088 9355 3088 9353 3078 9345 3065 9373
TIME...MOT...LOC 0125Z 244DEG 27KT 3077 9371 

$$

LAC011-TXC351-240145-
/O.CON.KLCH.TO.W.0084.000000T0000Z-201224T0145Z/
Beauregard LA-Newton TX-
726 PM CST Wed Dec 23 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CST FOR
NORTHWESTERN BEAUREGARD PARISH IN SOUTHWESTERN LOUISIANA AND CENTRAL
NEWTON COUNTIES...
    
At 725 PM CST, a severe thunderstorm capable of producing a tornado
was located near Bon Weir, moving northeast at 30 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...
  Stringtown around 740 PM CST.
  Merryville and Junction around 750 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3065 9374 3082 9383 3095 9359 3091 9356
      3090 9355 3089 9357 3088 9357 3087 9356
      3088 9355 3088 9353 3078 9345 3065 9373
TIME...MOT...LOC 0125Z 244DEG 27KT 3077 9371 

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

$$

13

363 
WWUS54 KLCH 240144
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
744 PM CST Wed Dec 23 2020

LAC011-TXC351-240153-
/O.EXP.KLCH.TO.W.0084.000000T0000Z-201224T0145Z/
Beauregard LA-Newton TX-
744 PM CST Wed Dec 23 2020

...THE TORNADO WARNING FOR NORTHWESTERN BEAUREGARD PARISH IN
SOUTHWESTERN LOUISIANA AND CENTRAL NEWTON COUNTIES WILL EXPIRE AT 745
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.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lake Charles.

LAT...LON 3065 9374 3082 9383 3095 9359 3091 9356
      3090 9355 3089 9357 3088 9357 3087 9356
      3088 9355 3088 9353 3078 9345 3065 9373
TIME...MOT...LOC 0143Z 235DEG 26KT 3084 9359 

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 24, 9:53 AM CST	Wind Advisory	LCH	Hardin, Jasper, Newton, Tyler	8 hr
Dec 23, 7:18 PM CST	Special Weather Statement	LCH	Grant	42 min
Dec 23, 8:11 PM CST	Tornado Warning	LCH	Rapides	34 min
Dec 23, 8:45 PM CST	Tornado Warning	LCH	Avoyelles, Rapides	18 min
Dec 23, 8:55 PM CST	Tornado Warning	LCH	Rapides, Vernon	35 min
Dec 23, 9:24 PM CST	Tornado Warning	LCH	Rapides	36 min
Dec 23, 9:48 PM CST	Special Weather Statement	LCH	Avoyelles	42 min
Dec 23, 9:59 PM CST	Severe Thunderstorm Warning	LCH	Avoyelles	46 min
Dec 24, 12:37 AM CST	Special Weather Statement	LCH	St. Mary	23 min
Dec 24, 12:41 AM CST	Special Weather Statement	LCH	Saint Martin	34 min
Dec 24, 12:55 AM CST	Special Weather Statement	LCH	Saint Martin	35 min

Nearby

Tornado Warnings in Texas, 2020 Tornado Warnings in Louisiana, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.