Alert archive / Louisiana / Areal Flood Warnings in 2013

Areal Flood Warning 21, NWS Lake Charles, LA

January 12, 2013Acadia Parish, Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this areal flood warning at Jan 12, 2013, 6:48 PM CST for Acadia Parish, Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 6 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 12, 2013, 6:48 PM CST (00:48 UTC)
Expired
Jan 18, 2013, 4:11 PM CST
In force
6 days
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Flood severity
None

Counties Acadia Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.8 hours before the alert went out and 257 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, Shreveport, LA at 00:00Z on 2013-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1010 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, Shreveport, LA at 00:00Z on 2013-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 340 square meters per square second.1939587897117Sfc1 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
1010 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
620 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
340 m²/s²
0-3 km storm-relative helicity
398 m²/s²
Significant tornado parameter
1.8
Supercell composite
9.8

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 12, 6:29 PM CSTAreal Flood WarningLCHAcadia, Evangeline, Saint Landry48 hr
Jan 12, 6:34 PM CSTAreal Flood WarningLCHEvangeline, Rapides6 days
Jan 12, 6:46 PM CSTAreal Flood WarningLCHSaint Landry48 hr
Jan 12, 8:11 PM CSTMarine Dense Fog AdvisoryLCH13 hr
Jan 12, 9:04 PM CSTRiver Flood WarningLCHBeauregard, Calcasieu19 days

Nearby

Areal Flood Warnings in Louisiana, 2013Every areal flood warning in 2013

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.