Alert archive / Louisiana / Tornado Warnings in 1999

Tornado Warning 13, NWS Lake Charles, LA

January 2, 1999Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jan 2, 1999, 3:45 AM CST for Saint Landry Parish, Louisiana. It was in force for 65 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 2, 1999, 3:45 AM CST (09:45 UTC)
Expired
Jan 2, 1999, 4:50 AM CST
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Saint Landry Parish, LA

What was reported inside it

TimeReportWhereRemark
Jan 2, 4:00 AM CSTTornado F1Leonville, LA
Jan 2, 4:00 AM CSTHail 1.75Opelousas, 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 watch it was issued in

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

IssuedProductOfficeLasted
Jan 2, 3:00 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.8 hours before the alert went out and 126 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 1999-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 437 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 1999-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 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
437 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KLCH 020946 RRA
TORLCH
LAC097-021050-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
345 AM CST SAT JAN 2 1999

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  ST. LANDRY PARISH IN SOUTH CENTRAL LOUISIANA

* UNTIL 450 AM CST

* AT 345 AM CST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  SOUTHWEST OF OPELOUSAS OR 5 MILES WEST OF LEWISBURG MOVING
  NORTHEAST AT 40 MPH.

* TORNADO WILL BE NEAR
  LEDOUX BY 355 AM CST
  OPELOUSAS BY 400 AM CST
  LEONVILLE BY 405 AM CST


THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. GO TO A
SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS AND
DOORS. ABANDON CARS AND MOBILE HOMES FOR A STURDIER BUILDING
OR GET INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 12:51 AM CSTTornado WarningLCHCalcasieu64 min
Jan 2, 1:16 AM CSTTornado WarningLCHBeauregard64 min
Jan 2, 1:53 AM CSTTornado WarningLCHCameron62 min
Jan 2, 1:55 AM CSTTornado WarningLCHCalcasieu65 min
Jan 2, 2:06 AM CSTTornado WarningLCHAllen64 min
Jan 2, 2:38 AM CSTTornado WarningLCHJefferson Davis62 min
Jan 2, 3:04 AM CSTTornado WarningLCHAcadia66 min
Jan 2, 3:32 AM CSTTornado WarningLCHAvoyelles63 min
Jan 2, 4:18 AM CSTTornado WarningLCHLafayette47 min
Jan 2, 4:29 AM CSTTornado WarningLCHVermilion66 min
Jan 2, 4:53 AM CSTTornado WarningLCHIberia67 min
Jan 2, 5:20 AM CSTTornado WarningLCHSt. Mary65 min

Nearby

Tornado Warnings in Louisiana, 1999Every tornado warning in 1999Tornadoes in 1999

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.