Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 413, NWS New Orleans, LA

December 18, 1995Saint James Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Dec 18, 1995, 10:58 AM CST for Saint James Parish, Louisiana. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Dec 18, 1995, 10:58 AM CST (16:58 UTC)
Expired
Dec 18, 1995, 11:30 AM CST
In force
32 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Saint James Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.0 hours before the alert went out and 108 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, Slidell Radar S, LA at 12:00Z on 1995-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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, Slidell Radar S, LA at 12:00Z on 1995-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 487 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
487 m²/s²
0-3 km storm-relative helicity
777 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.5

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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
Dec 18, 9:15 AM CSTTornado WarningLIXEast Feliciana30 min
Dec 18, 10:06 AM CSTSevere Thunderstorm WarningLIXLafourche, Terrebonne39 min
Dec 18, 11:10 AM CSTSevere Thunderstorm WarningLIXSaint John the Baptist50 min
Dec 18, 11:13 AM CSTSevere Thunderstorm WarningLIXIberville, West Baton Rouge47 min
Dec 18, 11:20 AM CSTSevere Thunderstorm WarningLIXAscension, East Baton Rouge, Livingston40 min
Dec 18, 12:11 PM CSTSevere Thunderstorm WarningLIXLivingston34 min
Dec 18, 12:48 PM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington57 min
Dec 18, 1:40 PM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington50 min
Dec 18, 2:10 PM CSTSevere Thunderstorm WarningLIXLafourche, Saint Charles50 min
Dec 18, 2:15 PM CSTSevere Thunderstorm WarningLIXTerrebonne30 min
Dec 18, 2:43 PM CSTSevere Thunderstorm WarningLIXJefferson, Orleans62 min
Dec 18, 3:01 PM CSTSevere Thunderstorm WarningLIXAssumption, Lafourche, Terrebonne44 min
Dec 18, 3:05 PM CSTSevere Thunderstorm WarningLIXSaint Tammany40 min
Dec 18, 3:44 PM CSTSevere Thunderstorm WarningLIXAssumption, Lafourche, Saint James, Terrebonne61 min
Dec 18, 4:25 PM CSTSevere Thunderstorm WarningLIXSaint Charles, Saint John the Baptist50 min
Dec 18, 5:04 PM CSTSevere Thunderstorm WarningLIXJefferson, Orleans56 min
Dec 17, 6:19 PM CSTTornado WarningLIXHancock26 min
Dec 17, 6:53 PM CSTTornado WarningLIXHarrison37 min
Dec 18, 6:57 AM CSTSevere Thunderstorm WarningLIXPearl River18 min
Dec 18, 7:54 AM CSTSevere Thunderstorm WarningLIXJackson21 min
Dec 18, 10:24 AM CSTFlash Flood WarningLIXJackson2 hr
Dec 18, 1:18 PM CSTSevere Thunderstorm WarningLIXPearl River42 min
Dec 18, 1:56 PM CSTSevere Thunderstorm WarningLIXPearl River49 min
Dec 18, 3:17 PM CSTSevere Thunderstorm WarningLIXHarrison58 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995Every severe thunderstorm warning in 1995

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.