Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 11, NWS Lake Charles, LA

October 12, 2001Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Oct 12, 2001, 7:30 PM CDT for Beauregard Parish, Louisiana. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Oct 12, 2001, 7:30 PM CDT (00:30 UTC)
Expired
Oct 12, 2001, 8:15 PM CDT
In force
45 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Beauregard Parish, LA

The radar

The Ft Polk radar (KPOE), 65 km from the middle of the area, began a volume at 00:29 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
Oct 12, 7:35 PM CDTThunderstorm WindMerryville, LA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.5 hours before the alert went out and 73 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 2001-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2537 joules per kilogram.LCLEL10008507005003002001001 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 2001-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 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
2537 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.4

Open this sounding in Storm Lab

The text

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

155 
WFUS54 KLCH 130031
TORLCH
LAC011-130115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
730 PM CDT FRI OCT 12 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  BEAUREGARD PARISH IN SOUTHWEST LOUISIANA

* UNTIL 815 PM CDT

* AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A DEVELOPING TORNADO 5 MILES NORTHWEST OF SINGER...MOVING NORTHEAST
  AT 20 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  JUNCTION BY 735 PM CDT
  DE RIDDER BY 800 PM CDT

THIS TORNADO IS WRAPPED IN RAIN - IF YOU WAIT UNTIL YOU SEE OR HEAR
IT COMING...IT MAY BE TOO LATE TAKE COVER NOW

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

CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

LAT...LON 3072 9361 3051 9343 3087 9312 3087 9353

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 7:12 PM CDTSevere Thunderstorm WarningLCHBeauregard63 min
Oct 12, 8:43 PM CDTSevere Thunderstorm WarningLCHVernon47 min
Oct 12, 9:00 PM CDTSevere Thunderstorm WarningLCHAllen60 min
Oct 12, 9:48 PM CDTSevere Thunderstorm WarningLCHRapides57 min
Oct 12, 10:47 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides43 min
Oct 13, 4:47 AM CDTSpecial Marine WarningLCH43 min
Oct 13, 4:47 AM CDTSpecial Marine WarningLCH43 min
Oct 13, 5:02 AM CDTTornado WarningLCHBeauregard28 min
Oct 13, 5:05 AM CDTTornado WarningLCHVernon55 min
Oct 13, 5:24 AM CDTTornado WarningLCHBeauregard36 min
Oct 13, 5:33 AM CDTSpecial Marine WarningLCH57 min
Oct 13, 5:33 AM CDTSpecial Marine WarningLCH57 min
Oct 13, 5:40 AM CDTSevere Thunderstorm WarningLCHCalcasieu65 min
Oct 13, 5:48 AM CDTSevere Thunderstorm WarningLCHCameron57 min
Oct 13, 6:02 AM CDTSevere Thunderstorm WarningLCHRapides58 min
Oct 13, 6:25 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard65 min
Oct 13, 6:34 AM CDTSevere Thunderstorm WarningLCHVermilion56 min
Oct 13, 6:47 AM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron58 min
Oct 13, 6:57 AM CDTSevere Thunderstorm WarningLCHRapides48 min
Oct 13, 7:00 AM CDTSevere Thunderstorm WarningLCHJefferson Davis60 min
Oct 13, 7:10 AM CDTSevere Thunderstorm WarningLCHAvoyelles65 min
Oct 13, 7:13 AM CDTSevere Thunderstorm WarningLCHEvangeline62 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:32 AM CDTSevere Thunderstorm WarningLCHAllen58 min
Oct 13, 7:56 AM CDTSevere Thunderstorm WarningLCHAcadia64 min
Oct 13, 8:08 AM CDTSevere Thunderstorm WarningLCHVermilion67 min
Oct 13, 8:31 AM CDTSevere Thunderstorm WarningLCHSaint Landry59 min
Oct 13, 8:37 AM CDTTornado WarningLCHAcadia23 min
Oct 13, 8:39 AM CDTTornado WarningLCHVermilion66 min
Oct 13, 8:42 AM CDTSevere Thunderstorm WarningLCHLafayette63 min
Oct 13, 8:51 AM CDTSpecial Marine WarningLCH54 min
Oct 13, 8:51 AM CDTSpecial Marine WarningLCH54 min
Oct 13, 8:51 AM CDTSpecial Marine WarningLCH54 min
Oct 13, 9:05 AM CDTSevere Thunderstorm WarningLCHAcadia25 min
Oct 13, 9:24 AM CDTSevere Thunderstorm WarningLCHSaint Martin66 min
Oct 13, 9:43 AM CDTSevere Thunderstorm WarningLCHIberia62 min
Oct 13, 10:25 AM CDTSevere Thunderstorm WarningLCHSt. Mary65 min

Nearby

Tornado Warnings in Louisiana, 2001Every tornado warning in 2001Tornadoes in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.