Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 102, NWS Lake Charles, LA

March 7, 1998Allen Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 7, 1998, 1:50 PM CST for Allen Parish, Louisiana. It was in force for 45 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
Mar 7, 1998, 1:50 PM CST (19:50 UTC)
Expired
Mar 7, 1998, 2:35 PM CST
In force
45 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Allen Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 7, 2:00 PM CSTHail 0.75Grant, 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
Mar 7, 1:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.8 hours before the alert went out and 69 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 1998-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 666 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1998-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.193958Sfc1 km3 km6 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
666 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

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 Mar 7, 1:30 PM CST, 20 minutes earlier.

Area forecast discussion, Mar 7, 1:30 PM CST, 20 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
130 PM CST SAT MAR 7 1998

APPEARS AFT WILL BE BUSY AS TSTMS BEGINNING TO REGENERATE. DECENT
TORNADO THREAT THIS AFTERNOON AS LOW LEVEL SHEAR INCREASING AS SFC
WINDS INCREASE. WILL HIT THE HIGH PTS OF FORECAST. MODELS IN BETTER
AGREEMENT THAN THEY HAVE BEEN WITH PREVIOUS RUNS. HAVE TRENDED CLOSE
TO ETA SOLN WITH UPCOMING FORECAST. AXIS OF DEEP MOISTURE WILL DICTATE
POPS FOR FIRST PD. IT MOVES EAST TONIGHT WELL AHEAD OF COLD AIR...ALONG
AND JUST AHEAD OF SFC TROF/DRY LINE CURRENTLY SOUTH OF DEVELOPING SFC
LOW BETWEEN LFK AND CLL. BEST CHC FOR SVR WILL BE THIS AFT/EARLY
EVE ACROSS AREA AS SOME HEATING OCCURS AND ATMOS FURTHER DESTABILIZES.

WOULD LIKE TO KKEP FFA FOR LA ZONES FOR PRIMARILY EVENING HVY RAIN
POTENTIAL...HOWEVER BEST MOISTURE WILL BE EAST OF SE TX BY 00Z SO WILL
LET FFA FOR THAT AREA EXPIRE AT 00Z.

LIKE SLIGHTLY COOLER HIGHS 2ND PD WITH CC REMAINING MOST OF DAY AND
DECENT CAA. WILL KEEP POPS FOR SUN MORNING WITH STRONG VORT ROUNDING
BASE OF TROF.

1

BPT 54/60/36/58 3200
LCH 55/60/37/58 6200  LFT 55/59/38/59 6200  AEX 53/57/36/57 6200

In the hours before

Local storm report, Mar 7, 7:50 AM CST, 6 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
750 AM CST SAT MAR 7 1998

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

700 AM     5 S SULPHUR            LA      0.75 INCH HAIL
03/07/98   CALCASIEU                      IN CARLYSS AREA

ERICKSON
Local storm report, Mar 7, 7:50 AM CST, 6 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
750 AM CST SAT MAR 7 1998

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

700 AM     5 S SULPHUR            LA      0.75 INCH HAIL
03/07/98   CALCASIEU                      IN CARLYSS AREA

ERICKSON
Special weather statement, Mar 7, 10:17 AM CST, 3 hours 33 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-071915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1017 AM CST SAT MAR 7 1998

...THE TORNADO WATCH IN EFFECT UNTIL 10 AM HAS BEEN ALLOWED TO
EXPIRE...

STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO PUSH NORTHEAST
OUT OF CENTRAL LOUISIANA. THEREFORE THE WATCH FOR SOUTHEAST
TEXAS...SOUTHWEST...SOUTH CENTRAL...AND PORTIONS OF CENTRAL
LOUISIANA HAS BEEN ALLOWED TO EXPIRE.

THUNDERSTORM RE-DEVELOPMENT IS EXPECTED LATER THIS AFTERNOON. THE
BEST CHANCE FOR SEVERE THUNDERSTORMS WILL OCCUR LATE THIS AFTERNOON
AND TONIGHT AS ADDITIONAL UPPER LEVEL ENERGY AND A COLD
FRONT APPROACHS FROM THE WEST.
Special weather statement, Mar 7, 10:17 AM CST, 3 hours 33 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-071915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1017 AM CST SAT MAR 7 1998

...THE TORNADO WATCH IN EFFECT UNTIL 10 AM HAS BEEN ALLOWED TO
EXPIRE...

STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO PUSH NORTHEAST
OUT OF CENTRAL LOUISIANA. THEREFORE THE WATCH FOR SOUTHEAST
TEXAS...SOUTHWEST...SOUTH CENTRAL...AND PORTIONS OF CENTRAL
LOUISIANA HAS BEEN ALLOWED TO EXPIRE.

THUNDERSTORM RE-DEVELOPMENT IS EXPECTED LATER THIS AFTERNOON. THE
BEST CHANCE FOR SEVERE THUNDERSTORMS WILL OCCUR LATE THIS AFTERNOON
AND TONIGHT AS ADDITIONAL UPPER LEVEL ENERGY AND A COLD
FRONT APPROACHS FROM THE WEST.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 11:48 PM CSTSevere Thunderstorm WarningLCHJefferson Davis
Mar 7, 2:42 AM CSTSevere Thunderstorm WarningLCHCameron63 min
Mar 7, 3:41 AM CSTSevere Thunderstorm WarningLCHAllen59 min
Mar 7, 3:51 AM CSTSevere Thunderstorm WarningLCHCameron34 min
Mar 7, 3:57 AM CSTSevere Thunderstorm WarningLCHVermilion58 min
Mar 7, 4:36 AM CSTSevere Thunderstorm WarningLCHRapides59 min
Mar 7, 4:40 AM CSTTornado WarningLCHVermilion65 min
Mar 7, 4:55 AM CSTSevere Thunderstorm WarningLCHAcadia45 min
Mar 7, 5:11 AM CSTSevere Thunderstorm WarningLCHBeauregard44 min
Mar 7, 5:17 AM CSTSevere Thunderstorm WarningLCHIberia63 min
Mar 7, 5:57 AM CSTSevere Thunderstorm WarningLCHCalcasieu43 min
Mar 7, 6:24 AM CSTSevere Thunderstorm WarningLCHCameron61 min
Mar 7, 6:36 AM CSTSevere Thunderstorm WarningLCHCalcasieu49 min
Mar 7, 6:45 AM CSTFlash Flood WarningLCHCalcasieu2 hr
Mar 7, 7:50 AM CSTSevere Thunderstorm WarningLCHJefferson Davis40 min
Mar 7, 1:26 PM CSTSevere Thunderstorm WarningLCHBeauregard44 min
Mar 7, 2:14 PM CSTSevere Thunderstorm WarningLCHRapides56 min
Mar 7, 2:20 PM CSTSevere Thunderstorm WarningLCHSaint Landry60 min
Mar 7, 2:51 PM CSTSevere Thunderstorm WarningLCHBeauregard34 min
Mar 7, 2:58 PM CSTSevere Thunderstorm WarningLCHVernon47 min
Mar 7, 3:49 PM CSTSevere Thunderstorm WarningLCHVernon46 min
Mar 7, 4:11 AM CSTSevere Thunderstorm WarningLCHJefferson49 min
Mar 7, 4:31 AM CSTSevere Thunderstorm WarningLCHOrange44 min
Mar 7, 5:21 AM CSTSevere Thunderstorm WarningLCHJefferson59 min
Mar 7, 5:33 AM CSTSevere Thunderstorm WarningLCHOrange47 min
Mar 7, 5:49 AM CSTSevere Thunderstorm WarningLCHHardin31 min
Mar 7, 6:54 AM CSTSevere Thunderstorm WarningLCHNewton31 min
Mar 7, 5:27 PM CSTSevere Thunderstorm WarningLCHJasper48 min
Mar 7, 5:52 PM CSTSevere Thunderstorm WarningLCHNewton63 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.