Alert archive / Louisiana / Flash Flood Warnings in 2005

Flash Flood Warning 9, NWS Lake Charles, LA

September 24, 2005Iberia Parish, Saint Martin Parish, St. Mary Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Sep 24, 2005, 11:22 AM CDT for Iberia Parish, Saint Martin Parish, St. Mary 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 outline as issued.

The facts

Issued
Sep 24, 2005, 11:22 AM CDT (16:22 UTC)
Expired
Sep 24, 2005, 2:15 PM CDT
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Counties, with a storm outline in the text

Counties Iberia Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.4 hours before the alert went out and 195 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 2005-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1218 joules per kilogram.LCLEL10008507005003002001001 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 2005-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 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
1218 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KLCH 241624
FFWLCH
LAC045-099-101-241915-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
ISSUED BY NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1122 AM CDT SAT SEP 24 2005

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. MARTIN PARISH IN SOUTH CENTRAL LOUISIANA
  ST. MARY PARISH IN SOUTH CENTRAL LOUISIANA
  IBERIA PARISH IN SOUTH CENTRAL LOUISIANA

* UNTIL 215 PM CDT

* AT 1122 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A BAND OF SHOWERS AND THUNDERSTORMS MOVING INLAND FROM THE GULF. 
THESE STORMS WERE PRODUCING RAINFALL RATES UP TO 2.5 INCHES PER HOUR 
AND WILL TRAIN NORTH TO SOUTH ACROSS THE REGION. RADAR ESTIMATES 6 
TO 8 INCHES HAS ALREADY FALLEN ACROSS THE AREA AND THIS ADDITIONAL 
RAIN WILL LIKELY PRODUCE FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT FOR YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 2990 9193 2980 9174 2951 9127 3002 9130
      3038 9167 3038 9191 3013 9187

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 9:59 PM CDTTornado WarningLCHLafayette31 min
Sep 23, 9:59 PM CDTTornado WarningLCHLafayette31 min
Sep 23, 9:59 PM CDTTornado WarningLCHCameron2 hr
Sep 23, 10:18 PM CDTTornado WarningLCHAllen27 min
Sep 23, 10:28 PM CDTTornado WarningLCHAcadia, Vermilion32 min
Sep 23, 10:37 PM CDTTornado WarningLCHJefferson Davis23 min
Sep 23, 11:53 PM CDTTornado WarningLCHCalcasieu, Cameron2 hr
Sep 24, 12:53 AM CDTTornado WarningLCHAvoyelles, Rapides37 min
Sep 24, 1:52 AM CDTTornado WarningLCHCalcasieu, Cameron, Jefferson Davis2 hr
Sep 24, 1:52 AM CDTTornado WarningLCHCalcasieu, Cameron, Jefferson Davis2 hr
Sep 24, 4:13 AM CDTTornado WarningLCHBeauregard, Calcasieu, Cameron, Vernon62 min
Sep 24, 5:10 AM CDTTornado WarningLCHAllen, Beauregard, Vernon65 min
Sep 24, 5:58 AM CDTTornado WarningLCHSt. Mary32 min
Sep 24, 6:10 AM CDTSevere Thunderstorm WarningLCHVernon65 min
Sep 24, 6:27 AM CDTTornado WarningLCHCalcasieu, Rapides, Vernon63 min
Sep 24, 2:14 PM CDTFlash Flood WarningLCHAcadia, Allen, Avoyelles, Calcasieu, Cameron, Evangeline and 8 more3 hr
Sep 24, 5:20 PM CDTFlash Flood WarningLCHAcadia, Allen, Avoyelles, Calcasieu, Cameron, Evangeline and 8 more4 hr

Nearby

Flash Flood Warnings in Louisiana, 2005Every flash flood warning in 2005

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.