Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 2, NWS Lake Charles, LA

January 23, 1997Vernon Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 23, 1997, 4:29 PM CST for Vernon Parish, Louisiana; Newton County, Texas. It was in force for 61 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 23, 1997, 4:29 PM CST (22:29 UTC)
Expired
Jan 23, 1997, 5:30 PM CST
In force
61 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Vernon Parish, LA, Newton County, TX

The radar

The Ft Polk radar (KPOE), 52 km from the middle of the area, began a volume at 22:30 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 23, 5:06 PM CSTThunderstorm WindEvans, LA

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, 10.5 hours before the alert went out and 95 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 1997-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1997-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.19395878Sfc1 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
115 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 232235
SVRLCH
LAC115-TXC351-232330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
429 PM CST THU JAN 23 1997
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST LOUISIANA
 
   ...VERNON PARISH
 
 
IN SOUTHEAST TEXAS
 
   ...NEWTON COUNTY
 
AT 425 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE
THUNDERSTORMS NEAR BURKEVILLE AND NEAR THE CITY OF NEWTON.
THE SEVERE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH.
THE CITIES OF NEWTON...BURKEVILLE...BURR FERRY AND LEESVILLE
ARE IN THE PATH OF THESE STORMS.
 
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.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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 23, 3:03 PM CST, 1 hour 26 minutes earlier.

Area forecast discussion, Jan 23, 3:03 PM CST, 1 hour 26 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
303 PM CST THU JAN 23 1997

CONVECTION CURRENTLY FIRING IN SE TX...AIDED BY SPD MAX RACING
UP TX CST...SHOWN IN WV STLT LOOP. XPCT ACTVTY TO CONTINUE ACROSS
ENTIRE FA IN ADVANCE OF APPROACHING S/W WHICH PUSHES THRU OVERNITE.
ACTVTY SHUD WIND DOWN DURING TMRW AM. SPC PLACES ENTIRE CWA IN MDT
RISK...THIS LOOKS OK. XPCT BULK OF ACTVTY SHUD BE AHEAD OF FRONT AND
PASSAGE OF FRONT LATE FRI AFTN SHUD BE RATHER UNEVENTFUL. NO REAL
PROBLEM W/ MOS TEMPS.8

BPT 60/75/47/69 8500
LCH 61/75/47/68 8500  LFT 61/74/47/67 8500  AEX 57/75/43/65 8300

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 4:48 PM CSTTornado WarningLCHNewton27 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1997Severe 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.