Alert archive / Louisiana / Tornado Warnings in 1998

Tornado Warning 18, NWS Lake Charles, LA

March 16, 1998Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Mar 16, 1998, 1:56 PM CST for Calcasieu Parish, Louisiana. It was in force for 34 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 16, 1998, 1:56 PM CST (19:56 UTC)
Expired
Mar 16, 1998, 2:30 PM CST
In force
34 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Calcasieu Parish, LA

The radar

The Lake Charles radar (KLCH), 18 km from the middle of the area, began a volume at 19:56 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 16, 2:00 PM CSTThunderstorm WindSulphur, 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 12:00Z, 7.9 hours before the alert went out and 19 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 1998-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
453 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

822 
WFUS1 KLCH 161957 RRA
TORLCH
LAC019-162030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
156 PM CST MON MAR 16 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 230 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN LOUISIANA

   ...CALCASIEU PARISH

AT 155 PM CST...NATIONAL WEATHER SEVICE DOPPLER RADAR INDICATED A
DEVELOPING TORNADO 6 MILES NORTHWEST OF SULPHUR MOVING NORTHEAST AT
35 MPH.

PEOPLE BETWEEN DEQUINCY AND SULPHUR SHOULD TAKE COVER NOW.

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.

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 16, 1:15 PM CST, 41 minutes earlier.

Area forecast discussion, Mar 16, 1:15 PM CST, 41 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
115 PM CST MON MAR 16 1998

FIRST ROUND OF HEAVY RAIN IS HALFWAY THROUGH CWA...MOVING OUT OF
SE TX COUNTIES. THEREFORE...WOULD LIKE TO DISCONTINUE THE FLASH FLOOD
WATCH FOR SE TX ZONES...HARDIN...TYLER...JASPER...NEWTON...ORANGE...
AND JEFFERSON. WOULD ALSO LIKE TO DISCONTINUE COASTAL FLOOD WATCH AS
SEAS WILL COME DOWN TONIGHT.

RADAR AND SFC REPORTS OF PRECIP ARE RUNNING 2 INCHES OR LESS...SO
ATTM...DONT WANT A FFA FOR LA ZONES TONIGHT. ANY LOCALIZED FLOODING CAN
BE HANDLED WITH FFS/FFW IF NECESSARY.

LOW IS LIFTING N/NE FROM N TX INTO OK. LOOKS LIKE TUESDAY WILL TURN
INTO AT LEAST A PARTLY SUNNY DAY...AND WARM. WITH HIGH TEMPS/DEW POINTS
...IT WOULDNT TAKE MUCH TO GET SCATTERED CONVECTION TUESDAY.

FOR TX ZONES...SHWRS/TSTMS ENDING BEFORE MIDNIGHT TONIGHT.   LCH AND
LFT NEED TO BE SPLIT BECAUSE LCH WILL HAVE STORMS ENDING BEFORE MIDNIGHT
...BUT LFT COULD CONTINUE LATER...AS WELL AS AEX AREA.   15

BPT 60/78/60/80 4312
LCH 60/78/60/78 4312   LFT 60/77/60/78 8312   AEX 58/75/58/76 8212

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 2:08 PM CSTSevere Thunderstorm WarningLCHBeauregard32 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.