Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 104, NWS New Orleans, LA

May 28, 2024Assumption Parish, Lafourche Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at May 28, 2024, 3:10 PM CDT for Assumption Parish, Lafourche Parish, Louisiana. It was in force for 50 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 28, 2024, 3:10 PM CDT (20:10 UTC)
Expired
May 28, 2024, 4:00 PM CDT
In force
50 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Assumption Parish, LA, Lafourche Parish, LA

The radar

The Hammond radar (KHDC), 96 km from the middle of the area, began a volume at 20:13 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.2 hours before the alert went out and 242 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 2024-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4311 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 2024-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 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
4311 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
655 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
-0.8
Supercell composite
-4.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 11:02 PM CDTSpecial Marine WarningLIX58 min
May 28, 12:01 AM CDTSpecial Marine WarningLIX59 min
May 28, 12:42 AM CDTSpecial Marine WarningLIX63 min
May 28, 1:03 AM CDTSpecial Marine WarningLIX57 min
May 28, 1:38 PM CDTSpecial Weather StatementLIXJefferson37 min
May 28, 2:37 PM CDTSpecial Weather StatementLIXSaint James38 min
May 28, 3:07 PM CDTSpecial Weather StatementLIXAssumption53 min
May 28, 3:11 PM CDTSpecial Weather StatementLIXSaint James34 min
May 28, 3:50 PM CDTSpecial Weather StatementLIXAssumption25 min
May 28, 3:55 PM CDTSevere Thunderstorm WarningLIXAssumption, Lafourche, Terrebonne50 min
May 28, 4:10 PM CDTSpecial Weather StatementLIXSaint Charles35 min
May 28, 4:43 PM CDTSevere Thunderstorm WarningLIXTerrebonne47 min
May 28, 4:47 PM CDTSevere Thunderstorm WarningLIXAscension, Assumption, Iberville, Livingston, Saint James43 min
May 28, 5:09 PM CDTSpecial Weather StatementLIXIberville36 min
May 28, 5:29 PM CDTSpecial Weather StatementLIXAscension, Saint James46 min
May 28, 5:31 PM CDTSpecial Weather StatementLIXLafourche, Terrebonne44 min
May 28, 5:38 PM CDTSpecial Weather StatementLIXSaint Charles52 min
May 28, 5:48 PM CDTSpecial Marine WarningLIX57 min
May 28, 5:51 PM CDTSpecial Marine WarningLIX54 min
May 28, 6:02 PM CDTSpecial Weather StatementLIXJefferson28 min
May 28, 6:13 PM CDTSpecial Marine WarningLIX62 min
May 28, 6:24 PM CDTSpecial Weather StatementLIXOrleans, Saint Tammany51 min
May 28, 6:31 PM CDTSpecial Weather StatementLIXJefferson29 min
May 28, 6:45 PM CDTSpecial Marine WarningLIX45 min
May 27, 11:36 PM CDTSpecial Weather StatementLIXJackson39 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.