Alert archive / Texas / Tornado Warnings in 2018

Tornado Warning 21, NWS Lake Charles, LA

October 31, 2018Hardin County, Jasper County, Texas

NWS Lake Charles, LA issued this tornado warning at Oct 31, 2018, 6:27 PM CDT for Hardin County, Jasper County, Texas. 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: Oct 31, 2018, 6:27 PM CDT (23:27 UTC)
Expired: Oct 31, 2018, 7:00 PM CDT
In force: 33 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Hardin County, TX, Jasper County, TX

The radar

The Lake Charles radar (KLCH), 91 km from the middle of the area, began a volume at 23:26 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 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, 3:02 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.5 hours before the alert went out and 92 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: 649 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 840 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

As transmitted.

192 
WFUS54 KLCH 312327
TORLCH
TXC199-241-010000-
/O.NEW.KLCH.TO.W.0021.181031T2327Z-181101T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
627 PM CDT WED OCT 31 2018

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  Northeastern Hardin County in southeastern Texas...
  Southeastern Jasper County in southeastern Texas...

* Until 700 PM CDT.
    
* At 627 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Evadale, moving northeast at 25 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
  northeastern Hardin and southeastern Jasper Counties.

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 3053 9411 3053 9408 3052 9407 3053 9407
      3053 9401 3048 9393 3032 9410 3033 9413
TIME...MOT...LOC 2327Z 204DEG 20KT 3038 9409 

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

$$

TWH

2 follow-up statements

278 
WWUS54 KLCH 312335
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
635 PM CDT WED OCT 31 2018

TXC199-312344-
/O.CAN.KLCH.TO.W.0021.000000T0000Z-181101T0000Z/
Hardin TX-
635 PM CDT WED OCT 31 2018

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

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Texas.

LAT...LON 3049 9409 3049 9408 3051 9408 3053 9407
      3053 9401 3049 9394 3039 9407 3040 9410
TIME...MOT...LOC 2334Z 202DEG 22KT 3043 9407 

$$

TXC241-010000-
/O.CON.KLCH.TO.W.0021.000000T0000Z-181101T0000Z/
Jasper TX-
635 PM CDT WED OCT 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN JASPER COUNTY...
    
At 634 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Evadale, moving northeast at 25 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
southeastern Jasper County.

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 3049 9409 3049 9408 3051 9408 3053 9407
      3053 9401 3049 9394 3039 9407 3040 9410
TIME...MOT...LOC 2334Z 202DEG 22KT 3043 9407 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

TWH

889 
WWUS54 KLCH 312344
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
644 PM CDT WED OCT 31 2018

TXC241-010000-
/O.CON.KLCH.TO.W.0021.000000T0000Z-181101T0000Z/
Jasper TX-
644 PM CDT WED OCT 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR EAST
CENTRAL JASPER COUNTY...
    
At 644 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Buna, moving north 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 tornadic thunderstorm will remain over mainly rural areas of
east central Jasper County.

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 3045 9405 3046 9409 3049 9409 3049 9408
      3051 9408 3053 9407 3053 9401 3051 9398
TIME...MOT...LOC 2344Z 196DEG 18KT 3048 9406 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

TWH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 31, 6:52 PM CDT	Tornado Warning	LCH	Jasper	23 min

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.