Alert archive / Louisiana / Tornado Warnings in 2011

Tornado Warning 17, NWS Lake Charles, LA

June 4, 2011Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jun 4, 2011, 8:01 PM CDT for Jefferson Davis Parish, Louisiana. It was in force for 29 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 4, 2011, 8:01 PM CDT (01:01 UTC)
Expired
Jun 4, 2011, 8:30 PM CDT
In force
29 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

County Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 62 km from the middle of the area, began a volume at 01:01 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 00:00Z, 1.0 hours before the alert went out and 61 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2011-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2029 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2011-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2029 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1919 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
77 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.

941 
WFUS54 KLCH 050101
TORLCH
LAC053-050130-
/O.NEW.KLCH.TO.W.0017.110605T0101Z-110605T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
801 PM CDT SAT JUN 4 2011

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES ELTON...

* UNTIL 830 PM CDT

* AT 757 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR
  ELTON...MOVING WEST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  HATHAWAY BY 810 PM 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.

&&

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

LAT...LON 3032 9270 3048 9277 3049 9263 3044 9259
      3039 9260 3038 9262 3037 9262
TIME...MOT...LOC 0101Z 074DEG 15KT 3042 9265

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 7:01 PM CDTSevere Thunderstorm WarningLCHSaint Landry59 min
Jun 4, 7:14 PM CDTSevere Thunderstorm WarningLCHAcadia, Cameron, Vermilion61 min
Jun 4, 7:29 PM CDTSpecial Weather StatementLCHEvangeline61 min
Jun 4, 7:37 PM CDTSevere Thunderstorm WarningLCHAcadia, Allen, Evangeline, Jefferson Davis53 min
Jun 4, 7:45 PM CDTSevere Thunderstorm WarningLCHEvangeline, Saint Landry60 min
Jun 4, 8:09 PM CDTSevere Thunderstorm WarningLCHJefferson Davis66 min
Jun 4, 8:35 PM CDTSpecial Weather StatementLCHCalcasieu55 min
Jun 4, 8:52 PM CDTSevere Thunderstorm WarningLCHAllen, Beauregard53 min
Jun 5, 1:06 AM CDTSpecial Weather StatementLCHCameron54 min
Jun 5, 1:34 AM CDTSpecial Weather StatementLCHCalcasieu41 min
Jun 5, 2:10 AM CDTSpecial Marine WarningLCH65 min
Jun 5, 2:22 AM CDTSpecial Weather StatementLCHCalcasieu53 min

Nearby

Tornado Warnings in Louisiana, 2011Every tornado warning in 2011Tornadoes 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.