Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 12, NWS Lake Charles, LA

January 13, 1998Jasper County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 13, 1998, 11:58 AM CST for Jasper County, Texas. It was in force for 32 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 13, 1998, 11:58 AM CST (17:58 UTC)
Expired
Jan 13, 1998, 12:30 PM CST
In force
32 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 17:57 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 13, 12:17 PM CSTHail 1.75Kirbyville, 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 12:00Z, 6.0 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 1998-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1061 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 1998-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1061 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
476 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

030 
WUUS1 KLCH 131805 RRA
SVRLCH
TXC241-131830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1158 AM CST TUE JAN 13 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN TEXAS

   ...JASPER COUNTY

AT 1155 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF JASPER. THIS STORM IS
MOVING NORTHEAST AT 25 MPH. THE COMMUNITY OF JASPER IS IN THE PATH
OF THIS STORM.  THIS STORM HAS A HISTORY OF GOLF BALL SIZE HAIL.


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.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV
STATION FOR THE LATEST INFORMATION ON THIS DANGEROUS WEATHER
SITUATION.

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 13, 9:50 AM CST, 2 hours 8 minutes earlier.

Area forecast discussion, Jan 13, 9:50 AM CST, 2 hours 8 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
950 AM CST TUE JAN 13 1998

BUSY MORNING WITH THUNDERSTORMS PUSHING INLAND OVER MOST OF FA.
BOUNDRY LOCATED OVER CENTRAL SECTIONS OF SE TX...EXTENDING INTO
NORTHERN LA NOT MAKING MUCH PROGRESS. WITH SHOWERS AND THUDNERSTORMS
DEVELOPING ALONG COASTAL SECTIONS OF SE TX AND MOVING INLAND...
SUGEST PUTTING SE TX BACK INTO FLASH FLOOD WATCH FOR TODAY AND
INCREASING POPS OVER HARDIN...TYLER...JASPER AND NEWTON COUNTIES
TO 50% CHANCE OF SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY
RAINFALL POSSIBLE.

12

In the hours before

Local storm report, Jan 13, 11:51 AM CST, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1151 AM CST TUE JAN 13 1998

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

1125 AM    SPURGER                   TX   1.75 INCH HAIL
01/13/98   TYLER                          GOLFBALL SIZE HAIL REPORTED
                                          IN SPURGER BY SHERRIFFS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 10:48 AM CSTFlash Flood WarningLCHHardin2 hr
Jan 13, 11:15 AM CSTSevere Thunderstorm WarningLCHTyler65 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.