Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 129, NWS Lake Charles, LA

July 14, 1998Hardin County, Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 14, 1998, 2:15 PM CDT for Hardin County, Jefferson County, Texas. It was in force for 60 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
Jul 14, 1998, 2:15 PM CDT (19:15 UTC)
Expired
Jul 14, 1998, 3:15 PM CDT
In force
60 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Hardin County, TX, Jefferson County, TX

The radar

The Lake Charles radar (KLCH), 102 km from the middle of the area, began a volume at 19:14 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
Jul 14, 2:50 PM CDTThunderstorm WindChina, 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, 7.3 hours before the alert went out and 103 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 1998-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2238 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 1998-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
2238 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
0 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.

000 
TTAA00 KLCH 141915 RRA
SVRLCH
TXC199-245-142015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
215 PM CDT TUE JUL 14 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARDIN COUNTY IN SOUTHEASTERN TEXAS
  JEFFERSON COUNTY IN SOUTHEASTERN TEXAS

* UNTIL 315 PM CDT

* AT 212 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 16 MILES WEST OF BEAUMONT OR 5 MILES
  NORTHWEST OF CHINA MOVING SOUTHEAST AT 10 MPH.

* THIS STORM CAN BE EXPECTED NEAR...
  CHINA BY 235 PM CDT

THIS IS A VERY DANGEROUS STORM. FOR YOUR PROTECTION...SEEK
SHELTER 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 Jul 14, 9:59 AM CDT, 4 hours 16 minutes earlier.

Area forecast discussion, Jul 14, 9:59 AM CDT, 4 hours 16 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
959 AM CDT TUE JUL 14 1998

HEAVIEST ACTIVITY NOW IS ALONG COASTAL PARISHES. WEAK SURFACE LOW
OVER EAST TEXAS ALONG WITH VARIOUS BOUNDARIES CRISS CROSSING THE
AREA WILL COMBINE WITH UNSTABLE AIR MASS AND UPPER TROF TO KEEP
CONVECTION DEVELOPING THROUGHOUT THE DAY. PLENTY OF MOISTURE AVAILABLE
AND CAN EXPECT TO CONTINUE TP SEE HEAVY RAINFALL POSSIBLE. QUESTION
OF FLASH FLOODING ARRISES DUE TO PREVIOUS RAINFALL BUT SO FAR DONT
FEEL A WATCH IS WARRANTED. CAN BUMP SOUTH LA POPS A CAT AND HOLD
TEMPS AROUND 90. ALL ELSE LOOKS GOOD. 8

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.