Alert archive / Louisiana / Tornado Warnings in 1998

Tornado Warning 16, NWS Lake Charles, LA

March 6, 1998Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Mar 6, 1998, 1:22 PM CST for Vermilion Parish, Louisiana. It was in force for 63 min. 1 report 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
Mar 6, 1998, 1:22 PM CST (19:22 UTC)
Expired
Mar 6, 1998, 2:25 PM CST
In force
63 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 95 km from the middle of the area, began a volume at 19:24 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 6, 1:50 PM CSTHail 1.75Abbeville, 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
Mar 6, 1:20 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.4 hours before the alert went out and 93 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 12:00Z on 1998-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 445 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 12:00Z on 1998-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939587897117136Sfc1 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
445 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
547 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

971 
WFUS1 KLCH 061920 RRA
TORLCH
LAC113-062025-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
122 PM CST FRI MAR 6 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 225 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN LOUISIANA

   ...VERMILION PARISH

AT 118 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A DEVELOPING TORNADO 5 MILES WEST OF KAPLAN.

MOVEMENT WAS EAST AT 20 MPH.

THE COMMUNTIES OF KAPLAN...ABBEVILLE...ERATH...AND DELCAMBRE ARE IN
THE PATH OF THIS STORM.

THIS STORM PRODUCED GOLFBALL SIZED HAIL AS IT MOVED THROUGH LAKE
ARTHUR.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this tornado warning went out at Mar 6, 9:30 AM CST, 3 hours 52 minutes earlier.

Area forecast discussion, Mar 6, 9:30 AM CST, 3 hours 52 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
930 AM CST FRI MAR 6 1998

IR AND VIS SAT LOOP SHOWING CONSIDERABLE MID/HIGH LEVEL CLOUDS
ABOVE FOG AND LOW CLOUDS. ISOLATED STRONG TSTM OCCURRING OFFSHORE
25 MILES S OF HIGH ISLAND. NEARLY STATIONARY FRONT LOCATED JUST N
OF BPT TO LEESVILLE TO NEAR AEX.  ALONG AND S OF FRONT AIRMASS IS
MOIST AND UNSTABLE WITH MODIFIED 12Z LCH SOUNDING SHOWING LI OF
-6 AND CAPE OF 1200. MOISTURE DEPTH IS LACKING WITH DRY LAYER
ABOVE SHALLOW MOIST LAYER...THEREFORE EXPECT WIDELY SCT/SCT
SHOWERS AND TSTMS THIS AFT...SOME OF WHICH MAY BE STRONG TO SVR.
BEST CHC SVR WILL COME LATE TONIGHT AND SAT WITH APPROACH OF
MID/UPPER LEVEL TROF. FOR UPDATED ZONES...SUGGEST MENTIONING
TSTMS FOR COASTAL SE TX ZONES AND RAISING POPS TO 30 PERCENT AND
CHANGING WINDS TO SE. CAN DROP DENSE FOG ADVISORY AREAWIDE. FOR
LA ZONES...CHG AFT CLOUDS TO M CLOUDY.

1

In the hours before

Local storm report, Mar 6, 12:38 PM CST, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1238 PM CST FRI MAR 6 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1225 PM    LAFAYETTE                 LA   0.75 INCH HAIL
03/06/98   LAFAYETTE                      REPORTED BY SKYWARN SPOTTERS

ERICKSON
Local storm report, Mar 6, 12:38 PM CST, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1238 PM CST FRI MAR 6 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1225 PM    LAFAYETTE                 LA   0.75 INCH HAIL
03/06/98   LAFAYETTE                      REPORTED BY SKYWARN SPOTTERS

ERICKSON
Local storm report, Mar 6, 12:43 PM CST, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1243 PM CST FRI MAR 6 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1240 PM    LAKE ARTHUR               LA   1.00 INCH HAIL
03/06/98   JEFFERSON DAVIS                REPORTED BY POLICE DEPT

ERICKSON
Local storm report, Mar 6, 12:43 PM CST, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1243 PM CST FRI MAR 6 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1240 PM    LAKE ARTHUR               LA   1.00 INCH HAIL
03/06/98   JEFFERSON DAVIS                REPORTED BY POLICE DEPT

ERICKSON
Local storm report, Mar 6, 12:52 PM CST, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1252 PM CST FRI MAR 6 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1245 PM    LAFAYETTE                 LA   0.75 INCH HAIL
03/06/98   LAFAYETTE                      REPORTED BY BALL TEAM

ERICKSON
Local storm report, Mar 6, 12:52 PM CST, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1252 PM CST FRI MAR 6 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1245 PM    LAFAYETTE                 LA   0.75 INCH HAIL
03/06/98   LAFAYETTE                      REPORTED BY BALL TEAM

ERICKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 12:31 PM CSTTornado WarningLCHVermilion49 min
Mar 6, 12:39 PM CSTTornado WarningLCHLafayette, Saint Martin61 min

Nearby

Tornado Warnings in Louisiana, 1998Every tornado warning in 1998Tornadoes in 1998

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.