Alert archive / Louisiana / Flash Flood Warnings in 2024

Flash Flood Warning 55, NWS New Orleans, LA

June 1, 2024Orleans Parish, Saint Bernard Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Jun 1, 2024, 3:05 PM CDT for Orleans Parish, Saint Bernard Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 1, 2024, 3:05 PM CDT (20:05 UTC)
Expired
Jun 1, 2024, 6:15 PM CDT
In force
3 hr
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
None

Counties Orleans Parish, LA, Saint Bernard Parish, LA

The radar

The Hammond radar (KHDC), 79 km from the middle of the area, began a volume at 20:09 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, 8.1 hours before the alert went out and 320 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 2024-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2390 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 2024-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
2390 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.5

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:25 AM CDTSpecial Marine WarningLIX35 min
Jun 1, 10:53 AM CDTSpecial Marine WarningLIX52 min
Jun 1, 10:54 AM CDTSpecial Marine WarningLIX51 min
Jun 1, 10:55 AM CDTSpecial Marine WarningLIX36 min
Jun 1, 12:19 PM CDTSpecial Marine WarningLIX41 min
Jun 1, 12:30 PM CDTSpecial Marine WarningLIX60 min
Jun 1, 12:38 PM CDTSpecial Weather StatementLIXOrleans52 min
Jun 1, 12:58 PM CDTSpecial Marine WarningLIX62 min
Jun 1, 1:03 PM CDTSpecial Marine WarningLIX28 min
Jun 1, 1:45 PM CDTSpecial Weather StatementLIXOrleans45 min
Jun 1, 1:48 PM CDTSpecial Marine WarningLIX23 min
Jun 1, 1:54 PM CDTSpecial Marine WarningLIX51 min
Jun 1, 1:56 PM CDTSpecial Marine WarningLIX64 min
Jun 1, 2:03 PM CDTSpecial Weather StatementLIXJefferson27 min
Jun 1, 2:12 PM CDTSpecial Marine WarningLIX63 min
Jun 1, 2:36 PM CDTSpecial Weather StatementLIXJefferson39 min
Jun 1, 2:40 PM CDTSpecial Marine WarningLIX50 min
Jun 1, 2:47 PM CDTSpecial Weather StatementLIXOrleans28 min
Jun 1, 2:49 PM CDTSpecial Marine WarningLIX56 min
Jun 1, 2:57 PM CDTSpecial Weather StatementLIXEast Baton Rouge, Iberville48 min
Jun 1, 2:58 PM CDTSpecial Marine WarningLIX47 min
Jun 1, 3:00 PM CDTSpecial Marine WarningLIX16 min
Jun 1, 3:21 PM CDTSpecial Marine WarningLIX54 min
Jun 1, 3:24 PM CDTSpecial Weather StatementLIXSaint Charles51 min
Jun 1, 3:31 PM CDTSpecial Marine WarningLIX59 min
Jun 1, 3:41 PM CDTSpecial Weather StatementLIXLivingston34 min
Jun 1, 3:57 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, Livingston48 min
Jun 1, 4:24 PM CDTSpecial Weather StatementLIXSaint James66 min
Jun 1, 4:31 PM CDTSpecial Weather StatementLIXSaint Tammany59 min
Jun 1, 4:36 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa25 min
Jun 1, 4:50 PM CDTSevere Thunderstorm WarningLIXLivingston, Saint Helena, Tangipahoa40 min
Jun 1, 5:05 PM CDTSevere Thunderstorm WarningLIXPointe Coupee55 min
Jun 1, 5:09 PM CDTSpecial Marine WarningLIX96 min
Jun 1, 5:28 PM CDTSpecial Weather StatementLIXSaint Helena62 min
Jun 1, 5:31 PM CDTSpecial Weather StatementLIXWashington59 min
Jun 1, 5:33 PM CDTSpecial Weather StatementLIXAscension57 min
Jun 1, 5:36 PM CDTSpecial Weather StatementLIXTangipahoa54 min
Jun 1, 5:49 PM CDTSevere Thunderstorm WarningLIXWashington41 min
Jun 1, 2:50 AM CDTSpecial Weather StatementLIXHarrison25 min
Jun 1, 3:15 AM CDTSpecial Weather StatementLIXJackson45 min
Jun 1, 9:26 AM CDTSpecial Weather StatementLIXJackson34 min
Jun 1, 10:59 AM CDTSpecial Weather StatementLIXJackson46 min
Jun 1, 12:17 PM CDTSpecial Weather StatementLIXHarrison43 min
Jun 1, 12:52 PM CDTSpecial Weather StatementLIXHarrison38 min
Jun 1, 1:38 PM CDTAreal Flood AdvisoryLIXHarrison112 min
Jun 1, 4:12 PM CDTSpecial Weather StatementLIXHancock48 min

Nearby

Flash Flood Warnings in Louisiana, 2024Every flash flood 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.