Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 15, NWS Lake Charles, LA

June 17, 2015Jasper County, Texas

NWS Lake Charles, LA issued this tornado warning at Jun 17, 2015, 6:55 PM CDT for Jasper County, Texas. It was in force for 35 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: Jun 17, 2015, 6:55 PM CDT (23:55 UTC)
Expired: Jun 17, 2015, 7:30 PM CDT
In force: 35 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

County Jasper County, TX

The radar

The Lake Charles radar (KLCH), 80 km from the middle of the area, began a volume at 23:58 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 12:00Z, 11.9 hours before the alert went out and 82 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: 1428 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

335 
WFUS54 KLCH 172355
TORLCH
TXC241-180030-
/O.NEW.KLCH.TO.W.0015.150617T2355Z-150618T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
655 PM CDT WED JUN 17 2015

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JASPER COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 730 PM CDT
    
* AT 655 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER EVADALE...AND MOVING NORTH AT 20 MPH.

* 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 IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3030 9399 3030 9404 3043 9408 3043 9394
TIME...MOT...LOC 2355Z 180DEG 19KT 3034 9403 

$$

K. KUYPER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 10:23 AM CDT	Areal Flood Advisory	LCH	Hardin, Jasper, Jefferson, Orange	3 hr
Jun 17, 11:29 AM CDT	Flash Flood Warning	LCH	Hardin, Tyler	3 hr
Jun 17, 1:42 PM CDT	Flash Flood Warning	LCH	Jefferson	3 hr
Jun 17, 2:21 PM CDT	Flash Flood Warning	LCH	Hardin, Jasper, Orange, Tyler	3 hr
Jun 17, 3:47 PM CDT	Flash Flood Warning	LCH	Jasper, Jefferson, Newton, Orange	3 hr
Jun 17, 3:57 PM CDT	Areal Flood Advisory	LCH	Jasper, Newton	2 hr
Jun 17, 4:47 PM CDT	Flash Flood Warning	LCH	Jefferson	3 hr
Jun 17, 5:22 PM CDT	Flash Flood Warning	LCH	Newton	5 hr
Jun 17, 5:34 PM CDT	Flash Flood Warning	LCH	Hardin, Tyler	3 hr
Jun 17, 5:46 PM CDT	Tornado Warning	LCH	Newton	29 min

Nearby

Tornado Warnings in Texas, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.