Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 90, NWS Lake Charles, LA

November 5, 2012Newton County, Texas; Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 5, 2012, 4:41 PM CST for Newton County, Texas; Beauregard Parish, Louisiana. It was in force for 44 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: Nov 5, 2012, 4:41 PM CST (22:41 UTC)
Expired: Nov 5, 2012, 5:25 PM CST
In force: 44 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

Counties Beauregard Parish, LA, Newton County, TX

The radar

The Lake Charles radar (KLCH), 65 km from the middle of the area, began a volume at 22:44 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
Nov 5, 2:08 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.7 hours before the alert went out and 66 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: 126 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

746 
WUUS54 KLCH 052241
SVRLCH
LAC011-TXC351-052345-
/O.NEW.KLCH.SV.W.0090.121105T2241Z-121105T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
441 PM CST MON NOV 5 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL NEWTON COUNTY IN SOUTHEAST TEXAS...
  SOUTHWESTERN BEAUREGARD PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES FIELDS...

* UNTIL 545 PM CST

* AT 441 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH...13 MILES NORTHWEST OF
  FIELDS...MOVING SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FIELDS BY 455 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS...
AWAY FROM WINDOWS.

&&

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.

LAT...LON 3073 9379 3054 9342 3049 9349 3041 9349
      3040 9363 3057 9388 3059 9388
TIME...MOT...LOC 2241Z 308DEG 34KT 3057 9371

$$

06

2 follow-up statements

980 
WWUS54 KLCH 052305
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
505 PM CST MON NOV 5 2012

TXC351-052315-
/O.CAN.KLCH.SV.W.0090.000000T0000Z-121105T2345Z/
NEWTON TX-
505 PM CST MON NOV 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NEWTON COUNTY IS
CANCELLED...

LAT...LON 3044 9368 3049 9362 3057 9351 3054 9342
      3049 9349 3041 9349 3040 9363
TIME...MOT...LOC 2305Z 308DEG 34KT 3043 9350

$$

LAC011-052345-
/O.CON.KLCH.SV.W.0090.000000T0000Z-121105T2345Z/
BEAUREGARD LA-
505 PM CST MON NOV 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR SOUTHWESTERN BEAUREGARD PARISH...

AT 458 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM ON RADAR CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED OVER SOUTHWESTERN BEAUREGARD PARISH..MOVING SOUTHEAST AT 40
MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS...
AWAY FROM WINDOWS.

&&

LAT...LON 3044 9368 3049 9362 3057 9351 3054 9342
      3049 9349 3041 9349 3040 9363
TIME...MOT...LOC 2305Z 308DEG 34KT 3043 9350

$$

06

681 
WWUS54 KLCH 052325
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
525 PM CST MON NOV 5 2012

LAC011-052335-
/O.CAN.KLCH.SV.W.0090.000000T0000Z-121105T2345Z/
BEAUREGARD LA-
525 PM CST MON NOV 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BEAUREGARD PARISH
IS CANCELLED...

LAT...LON 3044 9368 3049 9362 3057 9351 3054 9342
      3049 9349 3041 9349 3040 9363
TIME...MOT...LOC 2325Z 308DEG 34KT 3031 9333

$$

06

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 1:22 AM CST	Dense Fog Advisory	LCH	Hardin, Jasper, Newton, Tyler	8 hr
Nov 5, 4:29 PM CST	Special Weather Statement	LCH	Newton	46 min
Nov 5, 1:22 AM CST	Marine Dense Fog Advisory	LCH		8 hr
Nov 5, 4:12 PM CST	Special Weather Statement	LCH	Cameron	63 min
Nov 5, 4:26 PM CST	Special Weather Statement	LCH	Acadia	64 min
Nov 5, 4:57 PM CST	Special Weather Statement	LCH	Lafayette, Saint Martin	63 min
Nov 5, 5:00 PM CST	Severe Thunderstorm Warning	LCH	Calcasieu	60 min
Nov 5, 5:09 PM CST	Special Marine Warning	LCH		66 min
Nov 5, 5:14 PM CST	Special Marine Warning	LCH		61 min
Nov 5, 5:52 PM CST	Severe Thunderstorm Warning	LCH	Cameron	29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2012 Severe Thunderstorm Warnings in Louisiana, 2012 Every severe thunderstorm warning in 2012

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.