Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 62, NWS Lake Charles, LA

May 28, 1997Cameron Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at May 28, 1997, 4:31 PM CDT for Cameron Parish, Louisiana. It was in force for 59 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
May 28, 1997, 4:31 PM CDT (21:31 UTC)
Expired
May 28, 1997, 5:30 PM CDT
In force
59 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 31 km from the middle of the area, began a volume at 21:32 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
May 28, 4:35 PM CDTTornado F0Creole, LAA small tornado touched down in the bayous near Little Chenier, which is a few miles northeast of Creole. No injuries or damages were reported.

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, 9.5 hours before the alert went out and 30 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 1997-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 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 1997-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 699 square meters per square second.193958Sfc1 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
418 J/kg
Mixed-layer CIN
-230 J/kg
Mixed-layer LCL
1363 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
699 m²/s²
0-3 km storm-relative helicity
723 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

532 
WUUS1 KLCH 282132 RRA
SVRLCH
LAC023-282230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
431 PM CDT WED MAY 28 1997
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST LOUISIANA
 
   ...EASTERN CAMERON PARISH
 
AT 433PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM SOUTH OF GRAND
LAKE MOVING NORTHWEST AT 10 MPH. LACASSINE WILDLIFE REFUGE AND GRAND
LAKE ARE IN THE PATH OF THIS STORM. THE MAIN THREATS WILL BE DAMAGING
WINDS AND LARGE HAIL.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 May 28, 3:24 PM CDT, 1 hour 7 minutes earlier.

Area forecast discussion, May 28, 3:24 PM CDT, 1 hour 7 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA...RETRANSMITTED FOR NEW ORLEANS
314 PM CDT WED MAY 28 1997

BUSY...WL BE BRIEF. HIGH CAPES AND OUTFLOW BNDRYS SETTING OF TSTMS
WITH FUNNEL CLOUDS/WATER SPOUTS OVR SRN ZNS. ACTIVITY CONTS TNITE
WITH RIGHT REAR QUAD OF H2 JETSTREAK SEEN ON ETA TIL DAYBREAK THURS.
SINCE K INDEX INDICATES MDT INSTABILITY BUT WITH CAPES EXCEEDING
3K...WL NEED TO WATCH FOR MORE SVR ACTIVITY...MAINLY FUNNEL CLOUDS
WET MICROBURSTS...AND PSBL BRIEF TORNADOS NEXT HOUR OR SO AS SHEAR
IS FAVORABLE ALTHO LGT. LARGE HAIL ALSO A THREAT. LIS SHUD AGAIN
BE HIGH ON THURS AS H5 TROF OVR AREA WITH COLD POOL AND AGAIN
HIGH CAPES.
11

BPT 67/84/68/84 5423
LCH 67/83/68/84 5424  LFT 67/84/68/85 5545  AEX 68/82/69/85 5424

In the hours before

Local storm report, May 28, 1:41 PM CDT, 2 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
141 PM CDT WED MAY 28 1997

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

140 PM     CREOLE                    LA   TORNADO
05/28/97   CAMERON                        BRIEF TORNADO TOUCHDOWN NEAR
                                          CREOLE.
Local storm report, May 28, 1:43 PM CDT, 2 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
141 PM CDT WED MAY 28 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION..f..

140 PM     CREOLE                    LA   TORNADO
05/28/97   CAMERON                        BRIEF TORNADO TOUCHDOWN NEAR
                                          CREOLE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 12:03 AM CDTSevere Thunderstorm WarningLCHVernon57 min
May 28, 1:21 PM CDTTornado WarningLCHCameron69 min
May 28, 3:00 PM CDTSevere Thunderstorm WarningLCHIberia, Saint Martin45 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.