Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 45, NWS Lake Charles, LA

April 26, 1997Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 26, 1997, 12:13 AM CDT for Vermilion Parish, Louisiana. It was in force for 62 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
Apr 26, 1997, 12:13 AM CDT (05:13 UTC)
Expired
Apr 26, 1997, 1:15 AM CDT
In force
62 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 95 km from the middle of the area, began a volume at 05:13 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
Apr 26, 1:00 AM CDTThunderstorm WindAbbeville, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 25, 8:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.2 hours before the alert went out and 93 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 00:00Z on 1997-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1997-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 366 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
366 m²/s²
0-3 km storm-relative helicity
631 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.

426 
WUUS1 KLCH 260515 RRA
SVRLCH
LAC113-260615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1213 AM CDT SAT APR 26 1997
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST LOUISIANA
 
   ...VERMILION PARISH
 
AND ADJACENT COASTAL WATERS
 
AT 1210 AM...NEXRAD DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS MOVING EAST ACROSS THE PARISH AT 25 MPH. LARGE HAIL AND
WINDS IN EXCESS OF 60 MPH CAN BE EXPECTED FROM KAPLAN TO ABBEVILLE.
 
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 Apr 25, 7:51 PM CDT, 4 hours 22 minutes earlier.

Area forecast discussion, Apr 25, 7:51 PM CDT, 4 hours 22 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
745 PM CDT FRI APR 25 1997

SPC JUST ISSUED SVR TSTM WATCH FOR LCH CWA...AND NEW WILL BE ISSUIN6G
FFA FOR LCH CWA THIS EVENING. MAIN THREAT SEEMS TO BE HEAVY RAIN
RIGHT NOW...WITH A FEW PULSE SVR TSTMS DROPPING A LOT OF LIGHTNING
AND PEA TO MARBLE SIZED HAIL. 15

In the hours before

Local storm report, Apr 25, 11:04 PM CDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1104 PM CDT FRI APR 25 1997

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

1030 PM    LAKE CHARLES              LA   WIND DAMAGE
04/25/97   CALCASIEU                      911 CENTER REPORTS MANY
                                          TREES DOWN ACROSS THE CITY

1020 PM    HOLLY BEACH               LA   0.75 INCH HAIL
04/25/97   CAMERON                        WEATHER OBSERVER REPORT
Local storm report, Apr 25, 11:06 PM CDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1104 PM CDT FRI APR 25 1997

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

1030 PM    LAKE CHARLES              LA   WIND DAMAGE
04/25/97   CALCASIEU                      911 CENTER REPORTS MANY
                                          TREES DOWN ACROSS THE CITY

1020 PM    HOLLY BEACH               LA   0.75 INCH HAIL
04/l25/97   CAMERON                        WEATHER OBSERVER REPORT
Local storm report, Apr 25, 11:25 PM CDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1125 PM CDT FRI APR 25 1997

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

1124 PM    CREOLE                    LA   WIND DAMAGE
04/25/97   CAMERON                        SHERIFF REPORTS SEVERAL
                                          TREES DOWN. ALSO REPORT
                                          OF 0.75 INCH HAIL.
Local storm report, Apr 25, 11:26 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1125 PM CDT FRI APR 25 1997

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

1124 PM    CREOLE                    LA   WIND DAMAGE
04/25/97   CAMERON                        SHERIFF REPORTS SEVERAL
                                          TREES DOWN. ALSO REPORT
                                          OF 0.75 INCH HAIL.
Local storm report, Apr 25, 11:30 PM CDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1130 PM CDT FRI APR 25 1997

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

1100 PM    LAKE ARTHUR               LA   0.75 INCH HAIL
04/25/97   JEFF DAVIS                     REPORT BY GROCERY STORE
Local storm report, Apr 25, 11:33 PM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1130 PM CDT FRI APR 25 1997

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

110&0 PM    LAKE ARTHUR               LA   0.75 INCH HAIL
04/25/97   JEFF DAVIS                     REPORT BY GROCERY STORE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 7:10 PM CDTSevere Thunderstorm WarningLCHJefferson Davis50 min
Apr 25, 8:42 PM CDTSevere Thunderstorm WarningLCHAcadia63 min
Apr 25, 10:08 PM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron67 min
Apr 25, 10:45 PM CDTSevere Thunderstorm WarningLCHJefferson Davis60 min
Apr 25, 11:19 PM CDTSevere Thunderstorm WarningLCHCameron56 min
Apr 26, 12:30 AM CDTSevere Thunderstorm WarningLCHLafayette60 min
Apr 26, 1:00 AM CDTSevere Thunderstorm WarningLCHSaint Landry60 min
Apr 26, 6:16 AM CDTTornado WarningLCHVermilion59 min
Apr 26, 7:53 AM CDTSevere Thunderstorm WarningLCHVermilion37 min
Apr 26, 8:30 AM CDTSevere Thunderstorm WarningLCHIberia30 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.