Alert archive / Louisiana / Tornado Warnings in 2018

Tornado Warning 38, NWS Lake Charles, LA

November 1, 2018Calcasieu Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Nov 1, 2018, 12:27 AM CDT for Calcasieu Parish, Jefferson Davis Parish, Louisiana. It was in force for 22 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: Nov 1, 2018, 12:27 AM CDT (05:27 UTC)
Expired: Nov 1, 2018, 12:49 AM CDT
In force: 22 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Calcasieu Parish, LA, Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 22 km from the middle of the area, began a volume at 05:31 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
Nov 1, 12:30 AM CDT	TORNADO 1	5 Ssw Iowa, LA	AN EF1 TORNADO FORMED NORTH OF NICK MARTONE ROAD AND MOVED TO THE SOUTHEAST. THE TORNADO CROSSED NICK MARTONE ROAD WHERE IT DAMAGED TWO OUTBUILDINGS. THE TORNADO THEN DISSIPATED IN A FIELD SOUTH OF NICK MARTONE ROAD.

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
Oct 31, 8:14 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.5 hours before the alert went out and 20 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: 1529 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 727 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

As transmitted.

293 
WFUS54 KLCH 010527
TORLCH
LAC019-053-010615-
/O.NEW.KLCH.TO.W.0038.181101T0527Z-181101T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
1227 AM CDT THU NOV 1 2018

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  South central Jefferson Davis Parish in southwestern Louisiana...
  Southeastern Calcasieu Parish in southwestern Louisiana...

* Until 115 AM CDT.
    
* At 1227 AM CDT, a severe thunderstorm capable of producing a
  tornado was located over Holmwood, or 7 miles southeast of Lake
  Charles, moving east at 20 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...
  Iowa around 1245 AM CDT.
  Hayes around 1255 AM CDT.
  Welsh and Thornwell around 115 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Lacassine and Bell City.

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 3006 9314 3022 9314 3032 9278 3006 9276
TIME...MOT...LOC 0527Z 261DEG 17KT 3016 9310 

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

$$

K. Kuyper

1 follow-up statement

824 
WWUS54 KLCH 010549
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
1249 AM CDT THU NOV 1 2018

LAC019-053-010558-
/O.CAN.KLCH.TO.W.0038.000000T0000Z-181101T0615Z/
Jefferson Davis LA-Calcasieu LA-
1249 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR SOUTH CENTRAL JEFFERSON DAVIS AND
SOUTHEASTERN CALCASIEU PARISHES IS CANCELLED...
                
The storm which prompted the warning has weakened, and no longer 
appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 400 AM CDT for southwestern
Louisiana.

LAT...LON 3006 9314 3022 9314 3032 9278 3006 9276
TIME...MOT...LOC 0547Z 261DEG 17KT 3018 9298 

$$

Tingler

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 31, 8:15 PM CDT	Tornado Warning	LCH	Beauregard	26 min
Oct 31, 8:40 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Vernon	65 min
Oct 31, 8:44 PM CDT	Tornado Warning	LCH	Beauregard	31 min
Oct 31, 9:41 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Rapides, Vernon	49 min
Oct 31, 9:43 PM CDT	Tornado Warning	LCH	Beauregard	17 min
Oct 31, 10:28 PM CDT	Severe Thunderstorm Warning	LCH	Rapides, Vernon	62 min
Oct 31, 10:38 PM CDT	Tornado Warning	LCH	Rapides	25 min
Oct 31, 11:08 PM CDT	Tornado Warning	LCH	Rapides	37 min
Oct 31, 11:11 PM CDT	Special Weather Statement	LCH	Beauregard, Calcasieu, Vernon	49 min
Oct 31, 11:29 PM CDT	Severe Thunderstorm Warning	LCH	Rapides	27 min
Oct 31, 11:29 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	61 min
Oct 31, 11:36 PM CDT	Tornado Warning Tornado observed	LCH	Rapides	24 min
Oct 31, 11:47 PM CDT	Special Weather Statement	LCH	Allen, Cameron, Jefferson Davis	43 min
Oct 31, 11:48 PM CDT	Tornado Warning	LCH	Allen, Beauregard, Evangeline, Rapides, Vernon	27 min
Oct 31, 11:56 PM CDT	Tornado Warning	LCH	Calcasieu	34 min
Oct 31, 11:57 PM CDT	Tornado Warning	LCH	Calcasieu, Cameron	48 min
Nov 1, 12:09 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Avoyelles, Evangeline, Rapides, Saint Landry, Vernon	66 min
Nov 1, 12:14 AM CDT	Tornado Warning	LCH	Evangeline, Rapides	31 min
Nov 1, 12:16 AM CDT	Special Marine Warning	LCH		59 min
Nov 1, 12:24 AM CDT	Tornado Warning	LCH	Avoyelles, Evangeline, Rapides	24 min
Nov 1, 12:31 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron, Jefferson Davis	44 min
Nov 1, 12:31 AM CDT	Tornado Warning	LCH	Rapides	15 min
Nov 1, 12:48 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Evangeline, Jefferson Davis, Saint Landry	42 min
Nov 1, 12:56 AM CDT	Tornado Warning	LCH	Avoyelles	34 min
Nov 1, 12:59 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Evangeline, Rapides, Saint Landry	61 min
Nov 1, 1:08 AM CDT	Severe Thunderstorm Warning	LCH	Cameron, Lafayette, Vermilion	52 min
Nov 1, 1:22 AM CDT	Tornado Warning	LCH	Avoyelles	12 min
Nov 1, 1:32 AM CDT	Special Weather Statement	LCH	Lafayette, Saint Landry	43 min
Nov 1, 1:37 AM CDT	Special Marine Warning	LCH		83 min
Nov 1, 2:00 AM CDT	Special Weather Statement	LCH	Iberia, Lafayette, Saint Martin, Vermilion	45 min
Nov 1, 2:49 AM CDT	Special Weather Statement	LCH	Iberia, Saint Martin, St. Mary	56 min
Nov 1, 3:33 AM CDT	Severe Thunderstorm Warning	LCH	Saint Martin, St. Mary	42 min
Nov 1, 3:36 AM CDT	Special Marine Warning	LCH		54 min
Nov 1, 4:20 AM CDT	Special Marine Warning	LCH		85 min

Nearby

Tornado Warnings in Louisiana, 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.