Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 53, NWS Lake Charles, LA

May 18, 1993Grant Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at May 18, 1993, 3:29 PM CDT for Grant Parish, Louisiana. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
May 18, 1993, 3:29 PM CDT (20:29 UTC)
Expired
May 18, 1993, 4:30 PM CDT
In force
61 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Grant Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.5 hours before the alert went out and 176 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 1993-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 420 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 1993-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
420 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
697 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-79 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.

In the hours before

Special weather statement, May 18, 2:22 PM CDT, 1 hour 7 minutes before
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Special weather statement, May 18, 2:22 PM CDT, 1 hour 7 minutes before
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Special weather statement, May 18, 2:36 PM CDT, 53 minutes before
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Special weather statement, May 18, 2:37 PM CDT, 52 minutes before
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Special weather statement, May 18, 2:55 PM CDT, 34 minutes before
TXZ033-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
255 PM CDT TUE MAY 18 1993

AT 255PM CDT WEATHER RADAR SHOWED A STRONG THUNDERSTORM ON THE WEST SIDE
OF LAKE SAM RAYBURN. THIS STORM WAS LARGE AND WILL DRIFT EAST ACROSS
NORTHERN JASPER AND NORTHERN NEWTON COUNTIES ALONG WITH SOUTHERN SABINE
COUNTY.

AT 218PM SOME PEA SIZE HAIL FELL FROM THIS STORM IN SOUTHERN SAN
AUGUSTINE COUNTY.  GUSTY WINDS AND SMALL HAIL SHOU@LD BE EXPECTED FROM
THIS STORM UNTIL AROUND 4PM CDT.
DJ

&
NNNN
Special weather statement, May 18, 2:55 PM CDT, 34 minutes before
TXZ033-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
255 PM CDT TUE MAY 18 1993

AT 255PM CDT WEATHER RADAR SHOWED A STRONG THUNDERSTORM ON THE WEST SIDE
OF LAKE SAM RAYBURN. THIS STORM WAS LARGE AND WILL DRIFT EAST ACROSS
NORTHERN JASPER AND NORTHERN NEWTON COUNTIES ALONG WITH SOUTHERN SABINE
COUNTY.

AT 218PM SOME PEA SIZE HAIL FELL FROM THIS STORM IN SOUTHERN SAN
AUGUSTINE COUNTY.  GUSTY WINDS AND SMALL HAIL SHOULD BE EXPECTED FROM
THIS STORM UNTIL AROUND 4PM CDT.
DJ

&
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 2:45 PM CDTSevere Thunderstorm WarningLCHGrant45 min
May 18, 4:10 PM CDTSevere Thunderstorm WarningLCHAllen, Beauregard65 min
May 18, 4:33 PM CDTTornado WarningLCHBeauregard27 min
May 18, 12:46 PM CDTSevere Thunderstorm WarningLCHAngelina, Nacogdoches59 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1993Every severe thunderstorm warning in 1993

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.