Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 14, NWS Lake Charles, LA

March 18, 1997Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 18, 1997, 3:16 PM CST for Jasper County, Newton County, Texas. It was in force for 59 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
Mar 18, 1997, 3:16 PM CST (21:16 UTC)
Expired
Mar 18, 1997, 4:15 PM CST
In force
59 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 21:16 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
Mar 18, 3:22 PM CSTThunderstorm WindBuna, TX
Mar 18, 3:58 PM CSTThunderstorm WindDeweyville, 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, 9.3 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 12:00Z on 1997-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 499 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 1997-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.1939587897Sfc1 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
499 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

970 
WUUS1 KLCH 182119 RRA
SVRLCH
TXC241-351-182215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
316 PM CST TUE MAR 18 1997
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST TEXAS
 
   ...JASPER COUNTY...NEWTON COUNTY
 
AT 3:17 P.M. THE LAKE CHARLES RADAR SHOWED A SEVERE THUNDERSTORM 5 MILES
NORTHEAST OF EVADALE MOVING NORTHEAST AT 15 MPH.
 
THIS IS A DANGEROUS STORM...IF YOU ARE IN THE PATH OF THIS STORM YOU SHO
DPREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND VERY
HEAVY RAIN.

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 18, 1:45 PM CST, 1 hour 31 minutes earlier.

Area forecast discussion, Mar 18, 1:45 PM CST, 1 hour 31 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
145 PM CST TUE MAR 18 1997

POCKET OF ENERGY LIFTING OUT OF TROUGH ACROSS WESTERN TEXAS WHICH
SHOULD CONTINUE TO TRIGGER NUMEROUS SHOWERS AND TSTMS IN THE AXIS
OF GREATEST INSTABILITY WHICH HAPPENS TO BE ACROSS SE TX. 700 MB
WEST TO EAST FLOW SUGGEST THAT TRAINING MAY NOT BE A PROBLEM ACROSS
AREA AS WAS THE LAST CASE. MAY SEE A SQUALL LINE DEVELOP WHICH MAY
ALSO HELP LIMIT RAINFALL. IN ANY CASE...BELIEVE WE HAVE SEVERE WX
POTENTIAL ON OUR HANDS WITH SFC BASED LIFTED INDEX AROUND -8 OR SO
AND CAPES AROUND 3000 J/KG. SHOULD INCLUDE SEVERE ACROSS AREA TONIGHT
AND INCLUDE...SOME WITH HEAVY RAIN STATEMENT IN FORECAST AS SOME OF
THE STRONGEST TSTMS WILL PRODUCE 1 TO 2 INCH AMOUNTS.  FRONT WILL
ALSO ENHANCE SVR DEVELOPMENT AS IT APPROACHES THE AREA. CFP SHOULD
BE INTO BPT/BURKVILLE BEFORE 10 PM AND THRU LCH/AEX AROUND MIDNIGHT.
WILL CONT TO SEE A CHANCE OF TSTMS AND SHOWERS INTO WED AS SRN END OF
TROF CLOSES OFF AND LAGS BEHIND INTO MEXICO ALLOWING FOR AN UPPER
LEVEL SHEAR PATTERN TO CONTINUE ACROSS THE REGION.

06

BPT 58/67/50/70 8311
LCH 58/68/50/71 9311  LFT 60/68/50/69 8521  AEX 52/62/46/66 9411

TX ZONES...PER SAT---FFW FOR SE TX

LA ZONES...NONE

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.