Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 5, NWS Lake Charles, LA

January 11, 1998Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 11, 1998, 11:11 PM CST for Jasper County, Newton County, Texas. It was in force for 64 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
Jan 11, 1998, 11:11 PM CST (05:11 UTC)
Expired
Jan 12, 1998, 12:15 AM CST
In force
64 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Jasper County, TX, Newton County, TX

The radar

The Lake Charles radar (KLCH), 96 km from the middle of the area, began a volume at 05:13 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
Jan 11, 11:30 PM CSTHail 0.75Kirbyville, 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.2 hours before the alert went out and 97 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 1998-01-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 00:00Z on 1998-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
16 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
953 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

810 
WUUS1 KLCH 120514 RRA
SVRLCH
TXC241-351-120615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1111 PM CST SUN JAN 11 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHEASTERN TEXAS

   ...JASPER COUNTY
   ...NEWTON COUNTY

AT 1110 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF THE CITY OF JASPER.
THIS STORM HAS A HISTORY OF PRODUCING NICKEL SIZE HAIL IN TYLER
COUNTY. THE TOWN OF KIRBYVILLE IS IN THE PATH OF THIS STORM.


THIS IS A VERY DANGEROUS STORM. FOR YOUR PROTECTION...SEEK SHELTER
IMMEDIATELY IN A STRONG BUILDING. MOVE TO AN INTERIOR ROOM...SUCH
AS A CLOSET OR BATHROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DO NOT STAND BY WINDOWS.

&

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jan 11, 8:17 PM CST, 2 hours 54 minutes earlier.

Area forecast discussion, Jan 11, 8:17 PM CST, 2 hours 54 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
817 PM CST SUN JAN 11 1998

WL KEEP POPS HIGH FOR TONIGHT AS AMS ACROSS THE FA CONTINUES TO
DESTABILIZE. UPPER LEVEL DYNAMICS ARE KIND OF TRICKY. IT LUKS LIKE
THE AREA WILL BE INFLUENCED BY A JET COUPLET TONIGHT WITH THE
RR QUAD OF ONE JET STREAK MOVING ACROSS EASTERN TEXAS NOW AND THE
LF QUAD OF ANOTHER JET STREAK MOVING OVER THE NW GULF OF MEXICO.
A SFC TROF WILL CURRENTLY OVER SOUTH CENTRAL TX WILL MOVE INTO
THE AREA LATER TONIGHT. SEVERE WX IS ALSO POSSIBLE WITH LIS IN THE
0 TO -4 RANGE AND GOOD DIRECTIONAL AND SPEED SHEAR.

SO...WITH THIS SAID...CURRENT FCST LUKS GUD.

10

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 10:05 PM CSTSevere Thunderstorm WarningLCHHardin, Tyler60 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning 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.