Alert archive / Louisiana / Flash Flood Warnings in 2024

Flash Flood Warning 138, NWS Lake Charles, LA

November 13, 2024Acadia Parish, Lafayette Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Nov 13, 2024, 8:33 AM CST for Acadia Parish, Lafayette Parish, Saint Landry Parish, Louisiana. It was in force for 2 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
Nov 13, 2024, 8:33 AM CST (14:33 UTC)
Expired
Nov 13, 2024, 10:52 AM CST
In force
2 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Acadia Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.6 hours before the alert went out and 237 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 2024-11-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 221 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 2024-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 195 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
221 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
591 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
195 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 13, 6:41 AM CSTFlash Flood WarningLCHLafayette4 hr
Nov 13, 8:23 AM CSTRiver Flood WarningLCHLafayette, Vermilion29 hr
Nov 13, 9:20 AM CSTFlash Flood WarningLCHSaint Landry, Saint Martin115 min
Nov 13, 10:41 AM CSTAreal Flood WarningLCHLafayette2 hr
Nov 13, 11:06 AM CSTAreal Flood WarningLCHAcadia, Lafayette, Saint Landry, Saint Martin2 hr
Nov 13, 2:02 PM CSTSmall Craft AdvisoryLCH19 hr

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.