Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 142, NWS New Orleans, LA

August 3, 2024East Baton Rouge Parish, Livingston Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Aug 3, 2024, 3:21 PM CDT for East Baton Rouge Parish, Livingston Parish, Louisiana. It was in force for 39 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
Aug 3, 2024, 3:21 PM CDT (20:21 UTC)
Expired
Aug 3, 2024, 4:00 PM CDT
In force
39 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, Livingston Parish, LA

The radar

The Hammond radar (KHDC), 48 km from the middle of the area, began a volume at 20:24 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 119 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 2024-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2235 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 2024-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
2235 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1059 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 3:31 AM CDTExcessive Heat WarningLIXAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 10 more12 hr
Aug 3, 8:17 AM CDTSpecial Weather StatementLIXPlaquemines43 min
Aug 3, 8:43 AM CDTSpecial Marine WarningLIX62 min
Aug 3, 9:36 AM CDTSpecial Marine WarningLIX54 min
Aug 3, 11:54 AM CDTSpecial Weather StatementLIXAscension36 min
Aug 3, 12:22 PM CDTHeat AdvisoryLIXAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 13 more31 hr
Aug 3, 12:25 PM CDTSpecial Marine WarningLIX65 min
Aug 3, 12:31 PM CDTSpecial Weather StatementLIXSaint John the Baptist59 min
Aug 3, 12:42 PM CDTSevere Thunderstorm WarningLIXAscension, Saint Charles, Saint James, Saint John the Baptist48 min
Aug 3, 1:01 PM CDTSpecial Weather StatementLIXAssumption, Saint James44 min
Aug 3, 1:16 PM CDTSpecial Weather StatementLIXLafourche44 min
Aug 3, 1:20 PM CDTSpecial Weather StatementLIXSaint Charles25 min
Aug 3, 2:11 PM CDTSpecial Weather StatementLIXSaint Tammany, Tangipahoa34 min
Aug 3, 2:23 PM CDTSpecial Weather StatementLIXJefferson52 min
Aug 3, 2:32 PM CDTSpecial Weather StatementLIXSaint Helena28 min
Aug 3, 2:45 PM CDTSpecial Weather StatementLIXSaint Tammany, Tangipahoa30 min
Aug 3, 2:58 PM CDTSpecial Weather StatementLIXLivingston32 min
Aug 3, 3:03 PM CDTSpecial Marine WarningLIX57 min
Aug 3, 3:27 PM CDTSevere Thunderstorm WarningLIXLivingston, Tangipahoa26 min
Aug 3, 3:28 PM CDTSpecial Marine WarningLIX47 min
Aug 3, 3:59 PM CDTSevere Thunderstorm WarningLIXAscension, East Baton Rouge, Livingston, West Baton Rouge46 min
Aug 3, 4:22 PM CDTSpecial Weather StatementLIXIberville23 min
Aug 3, 4:37 PM CDTSpecial Marine WarningLIX22 min
Aug 3, 5:44 PM CDTSpecial Marine WarningLIX61 min
Aug 3, 6:48 PM CDTSpecial Marine WarningLIX57 min
Aug 3, 12:06 PM CDTSpecial Weather StatementLIXAmite24 min
Aug 3, 12:09 PM CDTSevere Thunderstorm WarningLIXAmite23 min
Aug 3, 12:32 PM CDTSpecial Weather StatementLIXAmite43 min
Aug 3, 12:49 PM CDTSpecial Weather StatementLIXPike26 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.