Alert archive / Louisiana / Tornado Warnings in 2012

Tornado Warning 39, NWS Lake Charles, LA

March 11, 2012Acadia Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Mar 11, 2012, 10:39 PM CDT for Acadia Parish, Jefferson Davis Parish, Louisiana. It was in force for 36 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 11, 2012, 10:39 PM CDT (03:39 UTC)
Expired
Mar 11, 2012, 11:15 PM CDT
In force
36 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Acadia Parish, LA, Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 59 km from the middle of the area, began a volume at 03:42 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.

What was reported inside it

TimeReportWhereRemark
Mar 11, 10:51 PM CDTTORNADOJennings, LARESTAURANT WORKER REPORTED TORNADO CROSSING I-10 NEAR THE OVERPASS.
Mar 11, 11:02 PM CDTTSTM WND DMGEvangeline, LAREPORTS OF TREES AND POWERLINES DOWN.
Mar 11, 11:08 PM CDTTORNADO 05 Ne Jennings, LAA TORNADO TOUCHED DOWN NEAR THE JEFF DAVIS-ACADIA PARISH LINE, A FEW MILES NORTH OF I-10. THE MOST SIGNIFICANT DAMAGE OCCURRED NEAR THE INTERSECTION OF RIVERSIDE AND SIMEO ROADS...WHERE SEVERAL HARD WOOD TREES WERE UPROOTED...SEVERAL PINE TREES WERE SNAPPED...
Mar 11, 11:11 PM CDTTSTM WND DMG4 Ne Jennings, LAREPORT BY PUBLIC OF TREE DOWN ON HOUSE OFF RIVERSIDE RD.
Mar 11, 11:13 PM CDTTORNADO5 Ne Jennings, LAVISITING SPOTTER FROM TENNESSEE REPORTS BRIEF TORNADO TOUCHDOWNS NEAR EVANGELINE HWY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 11, 6:42 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.7 hours before the alert went out and 58 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 2012-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1310 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2012-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.193958Sfc1 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
1310 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
439 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

591 
WFUS54 KLCH 120339
TORLCH
LAC001-053-120415-
/O.NEW.KLCH.TO.W.0039.120312T0339Z-120312T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1039 PM CDT SUN MAR 11 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL ACADIA PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES IOTA...
  EAST CENTRAL JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA...
  THIS INCLUDES JENNINGS...

* UNTIL 1115 PM CDT

* AT 1038 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JENNINGS...
  MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  EVANGELINE BY 1100 PM CDT...
  IOTA BY 1115 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHWESTERN LOUISIANA.

&&

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

LAT...LON 3034 9276 3037 9266 3038 9247 3027 9248
      3020 9254 3020 9276
TIME...MOT...LOC 0338Z 232DEG 15KT 3023 9268

$$

19
3 follow-up statements
464 
WWUS54 KLCH 120353
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1053 PM CDT SUN MAR 11 2012

LAC001-053-120415-
/O.CON.KLCH.TO.W.0039.000000T0000Z-120312T0415Z/
ACADIA LA-JEFFERSON DAVIS LA-
1053 PM CDT SUN MAR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR EAST
CENTRAL JEFFERSON DAVIS AND WEST CENTRAL ACADIA PARISHES...

AT 1047 PM CDT...THE PUBLIC REPORTED A TORNADO CROSSING THE 
INTERSTATE IN JENNINGS.  THIS RADAR INDICATED TORNADO WAS LOCATED NEAR 
JENNINGS..MOVING NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  HATHAWAY BY 1100 PM CDT...  
  EVANGELINE BY 1105 PM CDT...
  EGAN BY 1110 PM CDT...
  IOTA BY 1115 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT WAIT UNTIL YOU SEE
OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHWESTERN LOUISIANA.

&&

LAT...LON 3034 9272 3037 9266 3038 9247 3027 9248
      3020 9254 3020 9271
TIME...MOT...LOC 0352Z 232DEG 15KT 3025 9263

$$
623 
WWUS54 KLCH 120400
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1100 PM CDT SUN MAR 11 2012

LAC053-120410-
/O.CAN.KLCH.TO.W.0039.000000T0000Z-120312T0415Z/
JEFFERSON DAVIS LA-
1100 PM CDT SUN MAR 11 2012

...THE TORNADO WARNING FOR EAST CENTRAL JEFFERSON DAVIS PARISH IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHWESTERN LOUISIANA.

LAT...LON 3021 9260 3023 9263 3031 9262 3032 9263
      3032 9262 3033 9263 3037 9262 3038 9247
      3027 9248 3020 9254
TIME...MOT...LOC 0400Z 244DEG 18KT 3027 9259

$$

LAC001-120415-
/O.CON.KLCH.TO.W.0039.000000T0000Z-120312T0415Z/
ACADIA LA-
1100 PM CDT SUN MAR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR WEST
CENTRAL ACADIA PARISH...

AT 1057 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO ON RADAR.  THIS RADAR INDICATED TORNADO WAS LOCATED NEAR 
EVANGELINE..MOVING NORTHEAST AT 20 MPH. SPOTTERS CONTINUE TO REPORT
A FUNNEL CLOUD IN ASSOCIATION WITH THIS STORM. 

THE TORNADO WILL BE NEAR...
  IOTA BY 1115 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT WAIT UNTIL YOU SEE
OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHWESTERN LOUISIANA.

&&

LAT...LON 3021 9260 3023 9263 3031 9262 3032 9263
      3032 9262 3033 9263 3037 9262 3038 9247
      3027 9248 3020 9254
TIME...MOT...LOC 0400Z 244DEG 18KT 3027 9259

$$
980 
WWUS54 KLCH 120406
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1106 PM CDT SUN MAR 11 2012

LAC001-120415-
/O.CON.KLCH.TO.W.0039.000000T0000Z-120312T0415Z/
ACADIA LA-
1106 PM CDT SUN MAR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR WEST
CENTRAL ACADIA PARISH...

AT 1102 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
TORNADO ON RADAR.  THIS RADAR INDICATED TORNADO WAS LOCATED NEAR
EVANGELINE..MOVING NORTHEAST AT 10 MPH.

THE TORNADO WILL BE NEAR...
  IOTA AND NEAR EGAN BY 1115 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT WAIT UNTIL YOU SEE
OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHWESTERN LOUISIANA.

&&

LAT...LON 3021 9260 3023 9263 3031 9262 3032 9263
      3032 9262 3033 9263 3037 9262 3038 9247
      3027 9248 3020 9254
TIME...MOT...LOC 0406Z 228DEG 10KT 3028 9260

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 7:41 PM CDTSpecial Marine WarningLCH64 min
Mar 11, 8:02 PM CDTAreal Flood AdvisoryLCHCalcasieu88 min
Mar 11, 8:16 PM CDTTornado WarningLCHRapides29 min
Mar 11, 9:12 PM CDTSpecial Marine WarningLCH63 min
Mar 11, 9:19 PM CDTSevere Thunderstorm WarningLCHRapides56 min
Mar 11, 9:28 PM CDTTornado WarningLCHCameron, Jefferson Davis32 min
Mar 11, 9:42 PM CDTTornado WarningLCHJefferson Davis33 min
Mar 11, 10:06 PM CDTTornado WarningLCHJefferson Davis24 min
Mar 11, 10:20 PM CDTTornado WarningLCHJefferson Davis25 min
Mar 11, 11:11 PM CDTTornado WarningLCHVermilion34 min
Mar 11, 11:13 PM CDTTornado WarningLCHAcadia, Evangeline, Saint Landry31 min
Mar 11, 11:33 PM CDTSpecial Marine WarningLCH57 min
Mar 11, 11:42 PM CDTTornado WarningLCHVermilion33 min
Mar 11, 11:54 PM CDTAreal Flood AdvisoryLCHAcadia, Jefferson Davis3 hr
Mar 12, 12:02 AM CDTSpecial Weather StatementLCHAcadia58 min
Mar 12, 12:13 AM CDTSpecial Weather StatementLCHVermilion62 min
Mar 12, 12:16 AM CDTSpecial Marine WarningLCH59 min
Mar 12, 12:50 AM CDTAreal Flood AdvisoryLCHAcadia, Evangeline, Saint Landry3 hr
Mar 12, 12:52 AM CDTSpecial Weather StatementLCHSaint Martin38 min
Mar 12, 1:12 AM CDTSpecial Weather StatementLCHSaint Landry48 min
Mar 12, 1:42 AM CDTAreal Flood AdvisoryLCHIberia, St. Mary4 hr
Mar 12, 2:23 AM CDTSpecial Weather StatementLCHSaint Martin67 min
Mar 12, 3:06 AM CDTAreal Flood WarningLCHIberia3 hr
Mar 12, 7:48 AM CDTSpecial Weather StatementLCHSaint Landry57 min
Mar 12, 8:51 AM CDTFlash Flood WarningLCHAcadia, Lafayette, Saint Landry3 hr
Mar 12, 9:48 AM CDTFlash Flood WarningLCHSaint Landry, Saint Martin3 hr
Mar 12, 10:59 AM CDTRiver Flood WarningLCHLafayette, Vermilion35 hr
Mar 12, 11:14 AM CDTAreal Flood WarningLCHAcadia48 hr
Mar 12, 11:26 AM CDTAreal Flood Warning EmergencyLCHAcadia, Lafayette, Saint Landry, Saint Martin12 hr
Mar 12, 11:28 AM CDTFlash Flood Warning EmergencyLCHAcadia, Lafayette, Saint Landry, Saint Martin6 hr
Mar 12, 11:36 AM CDTRiver Flood WarningLCHAcadia, Jefferson Davis8 days
Mar 12, 1:41 PM CDTSpecial Weather StatementLCHLafayette64 min
Mar 12, 2:40 PM CDTAreal Flood AdvisoryLCHEvangeline3 hr
Mar 12, 3:43 PM CDTFlash Flood WarningLCHAllen, Evangeline4 hr
Mar 12, 5:30 PM CDTFlash Flood Warning EmergencyLCHAcadia, Allen, Evangeline, Lafayette, Saint Landry, Saint Martin6 hr
Mar 12, 6:18 PM CDTFlash Flood WarningLCHAllen, Evangeline, Rapides, Vernon3 hr

Nearby

Tornado Warnings in Louisiana, 2012Every tornado warning in 2012Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.