Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 9, NWS Lake Charles, LA

February 10, 1998Jasper County, Texas

NWS Lake Charles, LA issued this tornado warning at Feb 10, 1998, 2:05 PM CST for Jasper County, Texas. It was in force for 35 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
Feb 10, 1998, 2:05 PM CST (20:05 UTC)
Expired
Feb 10, 1998, 2:40 PM CST
In force
35 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Jasper County, TX

The radar

The Lake Charles radar (KLCH), 104 km from the middle of the area, began a volume at 20:08 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.

What was reported inside it

TimeReportWhereRemark
Feb 10, 2:05 PM CSTThunderstorm WindJasper, TX
Feb 10, 2:27 PM CSTTornado F1Buna, TX

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
Feb 10, 10:00 AM CSTTornado WatchSPC6 hr
Feb 10, 1:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.1 hours before the alert went out and 105 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 1998-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 380 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 12:00Z on 1998-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897117Sfc1 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
380 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 102005
TORLCH
TXC241-102040-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
205 PM CST TUE FEB 10 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 240 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN TEXAS

   ...JASPER COUNTY

AT 205 PM CST...NATIONAL WEATHERE SERVICE DOPPLER RADAR INDICATED
A DEVELOPING TORNADO 5 MILES SOUTH OF THE CITY OF JASPER.

MOVEMENT WAS NORTHEAST AT 25 MPH.

PEOPLE IN AND AROUND THE CITY OF JASPER 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.

ERICKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 12:45 PM CSTSevere Thunderstorm WarningLCHHardin, Tyler60 min
Feb 10, 1:31 PM CSTSevere Thunderstorm WarningLCHJefferson59 min
Feb 10, 1:34 PM CSTSevere Thunderstorm WarningLCHJasper, Newton61 min
Feb 10, 1:51 PM CSTSevere Thunderstorm WarningLCHOrange59 min
Feb 10, 2:25 PM CSTTornado WarningLCHNewton35 min
Feb 10, 2:38 PM CSTSevere Thunderstorm WarningLCHJefferson32 min
Feb 10, 2:51 PM CSTSevere Thunderstorm WarningLCHOrange34 min

Nearby

Tornado Warnings in Texas, 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.