Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 95, NWS Lake Charles, LA

March 7, 1998Hardin County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 7, 1998, 5:49 AM CST for Hardin County, Texas. It was in force for 31 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 7, 1998, 5:49 AM CST (11:49 UTC)
Expired: Mar 7, 1998, 6:20 AM CST
In force: 31 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Hardin County, TX

The radar

The Lake Charles radar (KLCH), 115 km from the middle of the area, began a volume at 11:50 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

Time	Report	Where	Remark
Mar 7, 5:55 AM CST	Hail 0.75	Lumberton, 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.

Issued	Product	Office	Lasted
Mar 7, 3:45 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.8 hours before the alert went out and 117 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 904 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 617 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

928 
WUUS1 KLCH 071150 RRA
SVRLCH
TXC199-071220-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
549 AM CST SAT MAR 7 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 620 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN TEXAS

   ...HARDIN COUNTY

AT 545 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM BETWEEN SOUR LAKE AND LUMBERTON.

MOVEMENT IS NORTHEAST AT 35 MPH.

LUMBERTON IS IN THE PATH OF THIS STORM...EXPECT LARGE HAIL WITH THE
STORM.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. IF A TORNADO APPROACHES YOUR
AREA...REMAIN CALM...MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS...SUCH AS A BATHROOM OR CLOSET.
PROTECT YOURSELF FROM FLYING DEBRIS WITH BLANKETS OR PILLOWS.

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 Mar 7, 1:55 AM CST, 3 hours 54 minutes earlier.

Area forecast discussion, Mar 7, 1:55 AM CST, 3 hours 54 minutes before

SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
155 AM CST SAT MAR 7 1998

STRONGEST ACTIVITY NOW PUSHING NORTHEAST OF FA WITH ACTIVITY
REDEVELOPING ALONG COASTAL SECTIONS WHERE JET SUPPORT CONTINUES. NEXT
BOUT OF SEVERE WEATHER STILL ON TAP BEGINNING LATE THIS MORNING...
CONTINUING INTO THIS EVENING WHEN SURFACE COLD FRONT SWEEPS EAST
ACROSS FA. MODELS STILL SHOWING IMPRESSIVE DIRECTIONAL DIVERGENCE
UPSTREAM DEVELOPING/DEEPENING UPPER LEVEL LOW. FLASH FLOOD WATCH
THROUGH THIS EVENING STILL LOOKS GOOD DUE TO RECENT RAINS...00Z LCH
SOUNDING SHOWED PW VALUES AROUND 1.7 INCHES. PATCHY FOG REDEVELOPING
ALONG COASTAL SECTIONS THIS MORNING...HOWEVER NOT EXPECTING WIDESPREAD
DENSE FOG. LITTLE CHANGE IN TEMPERTURES EXPECTED TODAY AS THICKNESSES
CHANGE LITTLE.
09

BPT 76/57/65 850
LCH 75/59/65 850  LFT 74/60/66 860  AEX 70/56/64 870

TX ZONES...

LA ZONES...

In the hours before

Local storm report, Mar 7, 5:10 AM CST, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
510 AM CST SAT MAR 7 1998

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

430 AM     PORT NECHES                    58 MPH TSTM GUST
03/07/98   JEFFERSON                      RECORDED AT HUNTSMAN PLANT

ERICKSON

Local storm report, Mar 7, 5:10 AM CST, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
510 AM CST SAT MAR 7 1998

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

430 AM     PORT NECHES                    58 MPH TSTM GUST
03/07/98   JEFFERSON                      RECORDED AT HUNTSMAN PLANT

ERICKSON

Local storm report, Mar 7, 5:20 AM CST, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
520 AM CST SAT MAR 7 1998

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

500 AM     INTRACOASTAL CITY      LA      1.75 INCH HAIL
03/07/98   VERMILION

510 AM     LECOMPTE               LA      2.75 INCH HAIL
03/07/98   RAPIDES

425 AM     OAKDALE                LA      1.75 INCH HAIL
03/07/98   ALLEN

ERICKSON

Local storm report, Mar 7, 5:20 AM CST, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
520 AM CST SAT MAR 7 1998

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

500 AM     INTRACOASTAL CITY      LA      1.75 INCH HAIL
03/07/98   VERMILION

510 AM     LECOMPTE               LA      2.75 INCH HAIL
03/07/98   RAPIDES

425 AM     OAKDALE                LA      1.75 INCH HAIL
03/07/98   ALLEN

ERICKSON

Local storm report, Mar 7, 5:46 AM CST, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
546 AM CST SAT MAR 7 1998

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

525 AM     PORT NECHES            TX      0.75 INCH HAIL
03/07/98   JEFFERSON                      REPORTED BY SKYWARN

ERICKSON

Local storm report, Mar 7, 5:46 AM CST, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
546 AM CST SAT MAR 7 1998

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

525 AM     PORT NECHES            TX      0.75 INCH HAIL
03/07/98   JEFFERSON                      REPORTED BY SKYWARN

ERICKSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 4:11 AM CST	Severe Thunderstorm Warning	LCH	Jefferson	49 min
Mar 7, 4:31 AM CST	Severe Thunderstorm Warning	LCH	Orange	44 min
Mar 7, 5:21 AM CST	Severe Thunderstorm Warning	LCH	Jefferson	59 min
Mar 7, 5:33 AM CST	Severe Thunderstorm Warning	LCH	Orange	47 min
Mar 7, 6:54 AM CST	Severe Thunderstorm Warning	LCH	Newton	31 min
Mar 7, 5:27 PM CST	Severe Thunderstorm Warning	LCH	Jasper	48 min
Mar 7, 5:52 PM CST	Severe Thunderstorm Warning	LCH	Newton	63 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every 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.