Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 67, NWS Lake Charles, LA

February 19, 1998Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 19, 1998, 4:43 PM CST for Rapides Parish, Louisiana. It was in force for 47 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
Feb 19, 1998, 4:43 PM CST (22:43 UTC)
Expired
Feb 19, 1998, 5:30 PM CST
In force
47 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Rapides Parish, LA

What was reported inside it

TimeReportWhereRemark
Feb 19, 4:45 PM CSTHail 0.75Glenmora, 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, 10.7 hours before the alert went out and 136 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 1998-02-19Temperature 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 12:00Z on 1998-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939587897117136156Sfc1 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
1296 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Feb 19, 2:15 PM CST, 2 hours 28 minutes earlier.

Area forecast discussion, Feb 19, 2:15 PM CST, 2 hours 28 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
215 PM CST THU FEB 19 1998

SFC TROF LOCATED ACROSS EXT SE TX THIS AFT WILL CONTINUE TO PUSH
EAST THIS EVENING. DRYING WILL OCCUR BEHIND THIS FEATURE AS WINDS
BECOME NW/N. VORT MAX WILL BE LOCATED ALONG SE TX/LA BORDER AT
20/00Z...ASSOCIATED COLD POOL ALOFT WILL DESTABILIZE ATMOS...BUT
DO NOT THINK THERE WILL BE ENOUGH LLM TO PRODUCE ANYTHING MORE
THAN WIDELY SCT TSTM ACTIVITY ACROSS FA DURING THE EVENING HOURS.
HAIL A GOOD POSSIBILITY WITH ANY THUNDERSTORM THAT DEVELOPS AS
500 MB TEMPS ARE AROUND -20 DEGREES. SUBSIDENCE WILL DOMINATE REGION
THROUGH REST OF PD. NEXT STORM SYSTEM LOCATED ACROSS S NEW MEX/N
MEXICO AT 48 HRS WILL LIKELY AFFECT AREA ON SUNDAY AND MONDAY.

MOS TEMPS LOOK REASONABLE...WILL NOT STRAY TOO FAR.

1

BPT 46/68/44/70 2000
LCH 46/68/42/70 2000  LFT 46/68/43/70 2000  AEX 44/66/40/68 2000

In the hours before

Local storm report, Feb 19, 3:24 PM CST, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
324 PM CST THU FEB 19 1998

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

313 PM     LEESVILLE                 LA   0.75 INCH HAIL
02/19/98   VERNON                         DIME SIZE HAIL REPORTED IN
                                          LEESVILLE DURING
                                          THUNDERSTORM BY SHERIFFS.
Local storm report, Feb 19, 4:37 PM CST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
437 PM CST THU FEB 19 1998

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

424 PM     DERIDDER                  LA   0.50 INCH HAIL
02/19/98   BEAUREGARD                     PEA AND MARBLE SIZE HAIL
                                          REPORTED IN AND NEAR
                                          DERIDDER BY EMERGENCY
                                          MANAGER AND BY FLIGHT
                                          SERVICE.
Local storm report, Feb 19, 4:37 PM CST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
437 PM CST THU FEB 19 1998

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

424 PM     DERIDDER                  LA   0.50 INCH HAIL
02/19/98   BEAUREGARD                     PEA AND MARBLE SIZE HAIL
                                          REPORTED IN AND NEAR
                                          DERIDDER BY EMERGENCY
                                          MANAGER AND BY FLIGHT
                                          SERVICE.
Local storm report, Feb 19, 4:41 PM CST, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
441 PM CST THU FEB 19 1998

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

430 PM     PITKIN                    LA   0.75 INCH HAIL
02/19/98   VERNON                         DIME SIZE HAIL REPORTED IN
                                          PITKIN BY PUBLIC.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 2:58 PM CSTSevere Thunderstorm WarningLCHVernon62 min
Feb 19, 4:15 PM CSTSevere Thunderstorm WarningLCHVernon30 min
Feb 19, 5:37 PM CSTSevere Thunderstorm WarningLCHEvangeline53 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1998Every 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.