Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 14, NWS Lake Charles, LA

April 26, 2011Hardin County, Texas

NWS Lake Charles, LA issued this tornado warning at Apr 26, 2011, 2:56 AM CDT for Hardin County, Texas. It was in force for 34 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: Apr 26, 2011, 2:56 AM CDT (07:56 UTC)
Expired: Apr 26, 2011, 3:30 AM CDT
In force: 34 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

County Hardin County, TX

The radar

The Lake Charles radar (KLCH), 97 km from the middle of the area, began a volume at 07:59 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
Apr 25, 10:47 PM CDT	Tornado Watch	SPC	5 hr
Apr 26, 1:52 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.9 hours before the alert went out and 99 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: 2759 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 581 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 8.4

Open this sounding in Storm Lab

The text

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

742 
WFUS54 KLCH 260756
TORLCH
TXC199-260830-
/O.NEW.KLCH.TO.W.0014.110426T0756Z-110426T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
256 AM CDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HARDIN COUNTY IN SOUTHEAST TEXAS...
  THIS INCLUDES...SILSBEE...LUMBERTON...KOUNTZE...

* UNTIL 330 AM CDT

* AT 254 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HONEY
  ISLAND...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  KOUNTZE BY 305 AM CDT...
  LUMBERTON BY 315 AM CDT...
  SILSBEE BY 320 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE RADAR INDICATES A TORNADO MAY FORM AT ANY
TIME. TAKE COVER NOW! ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT
TUESDAY MORNING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

&&

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

LAT...LON 3044 9412 3039 9412 3036 9410 3033 9410
      3029 9412 3025 9411 3025 9415 3030 9450
      3045 9447
TIME...MOT...LOC 0757Z 278DEG 28KT 3038 9437

$$

SHAMBURGER

1 follow-up statement

745 
WWUS54 KLCH 260810
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
310 AM CDT TUE APR 26 2011

TXC199-260830-
/O.CON.KLCH.TO.W.0014.000000T0000Z-110426T0830Z/
HARDIN TX-
310 AM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR EAST
CENTRAL HARDIN COUNTY...

AT 308 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR KOUNTZE...MOVING 
EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  SILSBEE AND LUMBERTON BY 315 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT
TUESDAY MORNING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

&&

LAT...LON 3045 9433 3044 9412 3039 9412 3036 9410
      3033 9410 3029 9412 3025 9411 3025 9415
      3028 9434
TIME...MOT...LOC 0810Z 284DEG 30KT 3035 9424

$$

SHAMBURGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 10:30 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	60 min
Apr 25, 11:08 PM CDT	Wind Advisory	LCH	Hardin, Tyler	41 hr
Apr 25, 11:20 PM CDT	Tornado Warning	LCH	Jasper	25 min
Apr 25, 11:28 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton, Tyler	62 min
Apr 25, 11:43 PM CDT	Tornado Warning	LCH	Jasper, Newton	32 min
Apr 26, 12:14 AM CDT	Tornado Warning	LCH	Newton	31 min
Apr 26, 12:35 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	55 min
Apr 26, 12:43 AM CDT	Tornado Warning	LCH	Newton	47 min
Apr 26, 1:13 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	62 min
Apr 26, 2:06 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	24 min
Apr 26, 2:23 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	52 min
Apr 26, 3:15 AM CDT	Special Weather Statement	LCH	Newton	45 min
Apr 26, 3:17 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Jefferson, Newton, Orange	58 min
Apr 26, 4:09 AM CDT	Severe Thunderstorm Warning	LCH	Orange	66 min
Apr 26, 4:33 AM CDT	Special Weather Statement	LCH	Orange	57 min

Nearby

Tornado Warnings in Texas, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.