Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 79, NWS New Orleans, LA

June 13, 1992Ascension Parish, Livingston Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 13, 1992, 5:30 PM CDT for Ascension Parish, Livingston Parish, Louisiana. It was in force for 45 min. 2 reports 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
Jun 13, 1992, 5:30 PM CDT (22:30 UTC)
Expired
Jun 13, 1992, 6:15 PM CDT
In force
45 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Ascension Parish, LA, Livingston Parish, LA

What was reported inside it

TimeReportWhereRemark
Jun 13, 5:45 PM CDTThunderstorm Wind 0Livingston, LA
Jun 13, 6:00 PM CDTThunderstorm Wind 0Livingston, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.5 hours before the alert went out and 230 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 1992-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1403 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 1992-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1403 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 12:32 PM CDTSevere Thunderstorm WarningLIXJefferson, Saint Charles58 min
Jun 13, 12:32 PM CDTSevere Thunderstorm WarningLIXOrleans58 min
Jun 13, 2:33 PM CDTSevere Thunderstorm WarningLIXLafourche, Saint Charles, Saint John the Baptist57 min
Jun 13, 3:01 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa59 min
Jun 13, 4:02 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington58 min
Jun 13, 4:52 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, West Baton Rouge43 min
Jun 13, 5:45 PM CDTSevere Thunderstorm WarningLIXSaint Charles, Saint John the Baptist60 min
Jun 13, 5:45 PM CDTSevere Thunderstorm WarningLIXSaint James60 min
Jun 13, 6:05 PM CDTSevere Thunderstorm WarningLIXAssumption, St. Mary55 min
Jun 13, 6:25 PM CDTSevere Thunderstorm WarningLIXJefferson65 min
Jun 13, 6:32 PM CDTSevere Thunderstorm WarningLIXIberville, Pointe Coupee28 min
Jun 13, 6:32 PM CDTSevere Thunderstorm WarningLIXAvoyelles, Saint Landry28 min
Jun 13, 6:54 PM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche, Saint Charles66 min
Jun 13, 6:54 PM CDTSevere Thunderstorm WarningLIXPlaquemines66 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992

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.