Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 112, NWS New Orleans, LA

May 30, 20246 parishes in Louisiana; Wilkinson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at May 30, 2024, 11:29 PM CDT for 6 parishes in Louisiana; Wilkinson County, Mississippi. It was in force for 46 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
May 30, 2024, 11:29 PM CDT (04:29 UTC)
Expired
May 31, 2024, 12:15 AM CDT
In force
46 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Pointe Coupee Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Wilkinson County, MS

The radar

The Hammond radar (KHDC), 88 km from the middle of the area, began a volume at 04:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 30, 10:08 PM CDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.5 hours before the alert went out and 193 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 2024-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2455 joules per kilogram.LCLEL10008507005003002001001 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 2024-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2455 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 10:43 PM CDTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Baton Rouge, West Feliciana47 min
May 30, 11:43 PM CDTSpecial Weather StatementLIXIberville, West Baton Rouge47 min
May 31, 12:14 AM CDTSpecial Weather StatementLIXEast Baton Rouge, East Feliciana46 min
May 31, 12:20 AM CDTSpecial Weather StatementLIXAssumption, Saint James40 min
May 31, 12:31 AM CDTSpecial Weather StatementLIXAscension29 min
May 31, 1:02 AM CDTSpecial Weather StatementLIXAssumption, Saint James, Terrebonne28 min
May 31, 1:09 AM CDTSpecial Weather StatementLIXAscension, Livingston, Saint Helena, Saint James, Tangipahoa36 min
May 31, 1:27 AM CDTSpecial Weather StatementLIXLafourche, Saint Charles, Saint John the Baptist48 min
May 31, 2:15 AM CDTSpecial Weather StatementLIXJefferson, Lafourche, Saint Charles30 min
May 31, 2:44 AM CDTSpecial Weather StatementLIXJefferson, Lafourche46 min
May 31, 3:15 AM CDTSpecial Weather StatementLIXSaint Tammany, Washington30 min
May 31, 3:26 AM CDTSpecial Marine WarningLIX34 min
May 31, 3:43 AM CDTSpecial Weather StatementLIXSaint Tammany, Washington47 min
May 31, 11:37 AM CDTSpecial Weather StatementLIXAscension, Saint James23 min
May 31, 12:00 PM CDTSpecial Weather StatementLIXAssumption30 min
May 31, 12:01 PM CDTSpecial Weather StatementLIXAscension29 min
May 31, 12:22 PM CDTSpecial Weather StatementLIXIberville23 min
May 31, 12:27 PM CDTSpecial Weather StatementLIXLivingston33 min
May 31, 1:43 PM CDTSpecial Marine WarningLIX47 min
May 31, 2:14 PM CDTSpecial Weather StatementLIXLivingston46 min
May 31, 2:25 PM CDTSpecial Weather StatementLIXAssumption35 min
May 31, 2:30 PM CDTSpecial Weather StatementLIXEast Baton Rouge45 min
May 31, 2:48 PM CDTSpecial Weather StatementLIXJefferson27 min
May 31, 3:01 PM CDTSpecial Weather StatementLIXTerrebonne44 min
May 31, 3:36 PM CDTSpecial Marine WarningLIX54 min
May 31, 3:54 PM CDTSpecial Marine WarningLIX51 min
May 31, 4:02 PM CDTSpecial Weather StatementLIXTerrebonne28 min
May 31, 4:23 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Saint Bernard78 min
May 31, 4:23 PM CDTSpecial Weather StatementLIXLafourche37 min
May 31, 4:56 PM CDTSpecial Marine WarningLIX34 min
May 31, 4:59 PM CDTSpecial Weather StatementLIXSaint Charles31 min
May 31, 5:03 PM CDTSpecial Weather StatementLIXSaint Tammany27 min
May 31, 5:05 PM CDTSpecial Marine WarningLIX55 min
May 31, 5:08 PM CDTAreal Flood AdvisoryLIXJefferson, Saint Charles, Saint John the Baptist3 hr
May 31, 5:13 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines3 hr
May 31, 5:15 PM CDTSpecial Weather StatementLIXLafourche30 min
May 31, 5:19 PM CDTSpecial Weather StatementLIXTerrebonne26 min
May 31, 5:41 PM CDTFlash Flood WarningLIXJefferson, Orleans, Saint Bernard2 hr
May 31, 5:48 PM CDTSpecial Weather StatementLIXSaint Charles27 min
May 31, 5:53 PM CDTSpecial Weather StatementLIXLafourche37 min
May 31, 6:08 PM CDTSpecial Marine WarningLIX97 min
May 31, 11:47 AM CDTSpecial Weather StatementLIXPearl River28 min
May 31, 2:43 PM CDTSpecial Weather StatementLIXWilkinson32 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2024Severe Thunderstorm Warnings in Mississippi, 2024Every severe thunderstorm warning in 2024

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; radar from the NEXRAD Level II archive.