Alert archive / Louisiana / Tornado Warnings in 2018

Tornado Warning 9, NWS Lake Charles, LA

April 7, 2018Beauregard Parish, Vernon Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this tornado warning at Apr 7, 2018, 1:06 AM CDT for Beauregard Parish, Vernon Parish, Louisiana; Newton County, Texas. It was in force for 39 min. 2 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, 2018, 1:06 AM CDT (06:06 UTC)
Expired: Apr 7, 2018, 1:45 AM CDT
In force: 39 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

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

The radar

The Ft Polk radar (KPOE), 61 km from the middle of the area, began a volume at 06:09 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, 1:17 AM CDT	TORNADO 1	3 Ene Junction, LA	TORNADO TOUCHED DOWN NEAR BOB CARSEY ROAD, AND BLEW DOWN TREES AND POWER LINES ALONG A SECTION OF US 190 WEST OF DERIDDER NEAR PINE STREET AND DON PLUSH ROAD. SETH COLE ROAD HAD A TREE AND POWER LINES DOWN. ON GRAYBOW ROAD, SEVERAL TREES FELL, SOME CAUSING DAM
Apr 7, 1:28 AM CDT	TSTM WND DMG	3 Wsw De Ridder, LA	TREES DOWN ON HOME AND ROOF DAMAGE ON GRAYBOW RD SW OF DERIDDER.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 6, 8:53 PM CDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.1 hours before the alert went out and 87 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: 1528 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 633 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 11.9

Open this sounding in Storm Lab

The text

As transmitted.

521 
WFUS54 KLCH 070606
TORLCH
LAC011-115-TXC351-070645-
/O.NEW.KLCH.TO.W.0009.180407T0606Z-180407T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
106 AM CDT SAT APR 7 2018

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  North central Beauregard Parish in southwestern Louisiana...
  Southwestern Vernon Parish in west central Louisiana...
  East central Newton County in southeastern Texas...

* Until 145 AM CDT
    
* At 105 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Stringtown, or 9 miles southeast of Burkeville,
  moving southeast 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...
  Junction around 115 AM 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 3088 9365 3096 9360 3087 9328 3070 9339
TIME...MOT...LOC 0605Z 295DEG 32KT 3090 9357 

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

$$

RACKLEY

3 follow-up statements

677 
WWUS54 KLCH 070612
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
112 AM CDT SAT APR 7 2018

TXC351-070621-
/O.CAN.KLCH.TO.W.0009.000000T0000Z-180407T0645Z/
Newton TX-
112 AM CDT SAT APR 7 2018

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

A severe thunderstorm watch remains in effect until 500 AM CDT for
southwestern and west central Louisiana...and southeastern Texas.

LAT...LON 3092 9354 3092 9353 3087 9328 3072 9338
      3086 9356 3087 9356 3088 9357 3089 9357
      3090 9355 3091 9356 3093 9355
TIME...MOT...LOC 0611Z 295DEG 32KT 3088 9351 

$$

LAC011-115-070645-
/O.CON.KLCH.TO.W.0009.000000T0000Z-180407T0645Z/
Beauregard LA-Vernon LA-
112 AM CDT SAT APR 7 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR NORTH
CENTRAL BEAUREGARD AND SOUTHWESTERN VERNON PARISHES...
    
At 111 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Junction, or 8 miles north of Merryville, moving
southeast 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 tornadic thunderstorm will remain over mainly rural areas of
north central Beauregard and southwestern Vernon Parishes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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 3092 9354 3092 9353 3087 9328 3072 9338
      3086 9356 3087 9356 3088 9357 3089 9357
      3090 9355 3091 9356 3093 9355
TIME...MOT...LOC 0611Z 295DEG 32KT 3088 9351 

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

$$

RACKLEY

203 
WWUS54 KLCH 070623
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
123 AM CDT SAT APR 7 2018

LAC115-070633-
/O.CAN.KLCH.TO.W.0009.000000T0000Z-180407T0645Z/
Vernon LA-
123 AM CDT SAT APR 7 2018

...THE TORNADO WARNING FOR SOUTHWESTERN VERNON PARISH IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 500 AM CDT for
southwestern and west central Louisiana.

LAT...LON 3088 9335 3087 9328 3085 9329 3074 9337
      3081 9348 3087 9345 3088 9344
TIME...MOT...LOC 0623Z 295DEG 32KT 3083 9340 

$$

LAC011-070645-
/O.CON.KLCH.TO.W.0009.000000T0000Z-180407T0645Z/
Beauregard LA-
123 AM CDT SAT APR 7 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR NORTH
CENTRAL BEAUREGARD PARISH...
    
At 123 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Deridder, or near De Ridder, moving southeast 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. 

Locations impacted include...
Deridder.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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 3088 9335 3087 9328 3085 9329 3074 9337
      3081 9348 3087 9345 3088 9344
TIME...MOT...LOC 0623Z 295DEG 32KT 3083 9340 

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

$$

RACKLEY

278 
WWUS54 KLCH 070642
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
142 AM CDT SAT APR 7 2018

LAC011-070651-
/O.EXP.KLCH.TO.W.0009.000000T0000Z-180407T0645Z/
Beauregard LA-
142 AM CDT SAT APR 7 2018

...THE TORNADO WARNING FOR NORTH CENTRAL BEAUREGARD PARISH WILL
EXPIRE AT 145 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 500 AM CDT for
southwestern and west central Louisiana.

Remember, a Tornado Warning still remains in effect for Beauregard 
Parish.
LAT...LON 3088 9335 3087 9328 3085 9329 3074 9337
      3081 9348 3087 9345 3088 9344
TIME...MOT...LOC 0641Z 270DEG 32KT 3077 9324 

$$

RACKLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 9:33 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Evangeline, Rapides, Vernon	57 min
Apr 6, 10:29 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides, Vernon	61 min
Apr 6, 11:47 PM CDT	Severe Thunderstorm Warning	LCH	Vernon	58 min
Apr 7, 12:30 AM CDT	Special Weather Statement	LCH	Vernon	45 min
Apr 7, 12:42 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard	48 min
Apr 7, 1:03 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Vernon	42 min
Apr 7, 1:27 AM CDT	Tornado Warning	LCH	Beauregard	33 min
Apr 7, 1:41 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis, Vernon	64 min
Apr 7, 1:53 AM CDT	Tornado Warning	LCH	Allen, Beauregard	37 min
Apr 7, 2:15 AM CDT	Tornado Warning	LCH	Allen, Evangeline	13 min
Apr 7, 2:35 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Allen, Evangeline, Jefferson Davis, Saint Landry	40 min
Apr 7, 2:40 AM CDT	Special Weather Statement	LCH	Calcasieu	50 min
Apr 7, 2:47 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	43 min
Apr 7, 3:05 AM CDT	Special Weather Statement	LCH	Cameron	40 min
Apr 7, 3:12 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Avoyelles, Evangeline, Iberia, Lafayette, Saint Landry and 1 more	34 min
Apr 7, 3:24 AM CDT	Special Marine Warning	LCH		66 min
Apr 7, 3:48 AM CDT	Small Craft Advisory	LCH		25 hr
Apr 7, 3:52 AM CDT	Wind Advisory	LCH	Allen, Avoyelles, Cameron, Evangeline, Lafayette, Rapides and 2 more	17 hr
Apr 7, 3:55 AM CDT	Special Weather Statement	LCH	Cameron, Vermilion	50 min
Apr 7, 4:22 AM CDT	Special Weather Statement	LCH	Saint Martin	38 min
Apr 7, 4:31 AM CDT	Special Marine Warning	LCH		59 min
Apr 7, 6:28 AM CDT	Special Marine Warning	LCH		47 min
Apr 7, 10:14 AM CDT	Special Marine Warning	LCH		61 min
Apr 7, 10:20 AM CDT	Special Weather Statement	LCH	Cameron	40 min
Apr 7, 11:10 AM CDT	Special Marine Warning	LCH		65 min
Apr 7, 12:01 PM CDT	Special Marine Warning	LCH		59 min
Apr 7, 12:47 PM CDT	Special Marine Warning	LCH		58 min
Apr 7, 1:40 PM CDT	Special Marine Warning	LCH		65 min
Apr 7, 2:51 PM CDT	Special Weather Statement	LCH	Rapides	39 min
Apr 7, 3:59 PM CDT	Special Marine Warning	LCH		61 min
Apr 7, 4:17 PM CDT	Special Marine Warning	LCH		58 min
Apr 7, 2:02 AM CDT	Special Weather Statement	LCH	Jasper	43 min
Apr 7, 9:04 AM CDT	River Flood Warning	LCH	Hardin, Jasper	3 days

Nearby

Tornado Warnings in Louisiana, 2018 Tornado Warnings in Texas, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.