Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 15, NWS Lake Charles, LA

October 13, 2001Vernon Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Oct 13, 2001, 5:05 AM CDT for Vernon Parish, Louisiana. It was in force for 55 min. No storm report in the archive falls 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.

The facts

Issued
Oct 13, 2001, 5:05 AM CDT (10:05 UTC)
Expired
Oct 13, 2001, 6:00 AM CDT
In force
55 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Vernon Parish, LA

The radar

The Ft Polk radar (KPOE), 21 km from the middle of the area, began a volume at 10:08 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.

IssuedProductOfficeLasted
Oct 13, 4:00 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.1 hours before the alert went out and 124 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°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 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.

040 
WFUS54 KLCH 131005
TORLCH
LAC115-131100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
505 AM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  VERNON PARISH IN WEST CENTRAL LOUISIANA

* UNTIL 600 AM CDT

* AT 500 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A DEVELOPING TORNADO 4 MILES NORTHEAST OF LEESVILLE...MOVING
  NORTHEAST AT 15 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  SLAGLE BY 515 AM CDT
  SIMPSON BY 540 AM CDT

A TORNADO MAY FORM AT ANY TIME - TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

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

LAT...LON 3121 9336 3107 9322 3128 9289 3139 9307

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, 7:30 PM CDTTornado WarningLCHBeauregard45 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, 5:24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.