Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 147, NWS Shreveport, LA

April 14, 1996LaSalle Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 14, 1996, 8:47 PM CDT for LaSalle Parish, Louisiana. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 14, 1996, 8:47 PM CDT (01:47 UTC)
Expired
Apr 14, 1996, 9:30 PM CDT
In force
43 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County LaSalle Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.8 hours before the alert went out and 200 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 1996-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1868 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 00:00Z on 1996-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1868 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.3

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 14, 3:42 PM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Apr 14, 3:42 PM CDT, 5 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
340 PM CDT SUN APR 14 1996

LATEST SFC ANALYSIS INDICATED COLD FRONT EXTENDING FROM LOW OVER SW
MO SOUTH THROUGH W AR AND E TX APPROACHING W LA AND A DRY LINE WEST
OF THE FRONT FROM E OK SOUTH TO NEAR TYR/GGG AND LFK TX.  ATM VERY
UNSTABLE BUT LOOKS AS IF DEVELOPMENT WILL BE GENERALLY SE OF A LINE
FROM NEAR MAGNOLIA AR TO MINDEN AND LOGANSPORT LA AND LUFKIN TX.
WILL SUGGEST TO REMOVE WATCH AFTER 500 PM FOR THIS AREA TO THE WEST
OF THE ABOVE MENTIONED LINE. WILL LEAVE SMALL POPS IN FOR NW LA (IE
SHV) FOR TNT DUE TO APPROACH OF DRY AIR AND FRONT WILL KEEP POPS HIER
SE OF LINE AND KEEP SVR MENTIONED. WINDS TO SHIFT TO WEST AND RANGE
AROUND 15 TO 20 MPH WITH GUSTS TO 25 MPH. CLOUDS WILL DECREASE DURING
THE NIGHT BUT WRAP AROUND MOISTURE MAY RETURN BRIEF CLOUDINESS LATE TNT
OR EARLY MON AM. REMAINDER OF FCST PERIOD SHOULD REMAIN FAIR AND DRY AND
A LITTLE COOLER.

SHV 51/67/48/75 2000
SIX

In the hours before

Local storm report, Apr 14, 4:15 PM CDT, 4 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OFFICE SHREVEPORT LA
415 PM CDT SUN APR 14 1996

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

0412 PM    10 S CENTER               TX   1.75 INCH HAIL
04/14/96   SHELBY                         KSHV 88D VIL 68 KG/M2
                                          THIS CELL.

SIX

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:10 PM CDTSevere Thunderstorm WarningSHVWinn65 min
Apr 14, 7:13 PM CDTSevere Thunderstorm WarningSHVNatchitoches47 min
Apr 14, 7:22 PM CDTSevere Thunderstorm WarningSHVGrant68 min
Apr 14, 8:03 PM CDTSevere Thunderstorm WarningSHVLaSalle42 min
Apr 14, 8:28 PM CDTSevere Thunderstorm WarningSHVGrant47 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.