Alert archive / Louisiana / Flash Flood Warnings in 2005

Flash Flood Warning 10, NWS Lake Charles, LA

September 24, 200514 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood warning at Sep 24, 2005, 2:14 PM CDT for 14 parishes in 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, 2:14 PM CDT (19:14 UTC)
Expired
Sep 24, 2005, 5:15 PM CDT
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Counties, with a storm outline in the text

Counties Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 7.2 hours before the alert went out and 263 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 12:00Z on 2005-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 328 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 12:00Z on 2005-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.1939587897Sfc1 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
328 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KLCH 241919
FFWLCH
LAC001-003-009-019-023-039-045-053-055-079-097-099-101-113-242215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
ISSUED BY NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
214 PM 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
  CAMERON PARISH IN SOUTHWEST LOUISIANA
  VERMILION PARISH IN SOUTHWEST LOUISIANA
  LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA
  ACADIA PARISH IN SOUTHWEST LOUISIANA
  JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA
  CALCASIEU PARISH IN SOUTHWEST LOUISIANA
  ST. LANDRY PARISH IN CENTRAL LOUISIANA
  ALLEN PARISH IN SOUTHWEST LOUISIANA
  EVANGELINE PARISH IN CENTRAL LOUISIANA
  AVOYELLES PARISH IN CENTRAL LOUISIANA
  RAPIDES PARISH IN CENTRAL LOUISIANA

* UNTIL 515 PM CDT

* AT 213 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED 
TO RAINBANDS MOVING INTO AREAS GENERALLY ALONG AND EAST OF A LINE 
FROM LAKE CHARLES TO ALEXANDRIA. THESE TRAINING SHOWERS AND 
THUNDERSTORMS WILL TRAIN FROM THE SOUTHWEST TO NORTHEAST ACROSS 
PORTIONS OF THE AREA THAT HAVE ALREADY RECEIVED BETWEEN 4 AN 8 
INCHES OF RAINFALL. THE GROUND IS SATURATED AND THESE STORMS...SOME 
PRODUCING RAINFALL RATES UP TO 2 INCHES PER HOUR...WILL INCREASE THE 
POTENTIAL FOR ADDITIONAL FLASH FLOODING.

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 2989 9345 2964 9259 2978 9153 3117 9164
      3139 9238 3087 9234

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this flash flood warning went out at Sep 24, 1:02 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Sep 24, 1:02 PM CDT, 1 hour 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
102 PM CDT SAT SEP 24 2005

.UPDATE...
UPDATED TO ADD TORNADO WATCH TO FAR EASTERN PARISHES. 41/47

&&

.PREV DISCUSSION... (ISSUED 1201 PM CDT SAT SEP 24 2005)

UPDATE...
SOME CHANGES MADE TO THE INLAND AND MARINE ZONES FOR THE UPDATE.
HURRICANE INLAND WARNINGS AND HURRICANE WARNINGS FOR THE COASTAL
LOCATIONS HAVE BEEN CHANGED TO TROPICAL STORM INLAND WARNING AND
TROPICAL STORM WARNING RESPECTIVELY. HAVE LOWERED POPS (A TOUCH)
AND WINDS FOR THE SHORT TERM. AIRMASS REMAINS VERY UNSTABLE WITH
DEEP GULF MOISTURE AND HEATING (ALBEIT LIMITED GIVEN THE EXPECT-
ED/PERSISTENT OVC SKIES) THIS AFTN SHOULD HELP ALLOW FOR SCTD TO
WIDESPREAD RE-DEVELOPMENT. PCPN CHANCES TO REMAIN HIGH OVERNIGHT
AS THE FA (ON THE FRINGES OF THE REMNANTS OF RITA) ARE THREATEN-
ED WITH NOCTURNAL RAINS. AS SUCH FLASH FLOOD WATCH REMAINING IN
PLACE. 41

LCH WATCHES/WARNINGS/ADVISORIES...
LA...FLASH FLOOD WATCH UNTIL 7 PM SUNDAY FOR THE FOLLOWING ZONES:
     ACADIA...ALLEN...AVOYELLES...BEAUREGARD...CALCASIEU...
     CAMERON...EVANGELINE...IBERIA...JEFFERSON DAVIS...
     LAFAYETTE...LOWER ST. MARTIN...RAPIDES...ST. LANDRY...ST.
     MARY...UPPER ST. MARTIN...VERMILION...AND VERNON.

     TROPICAL STORM WARNING UNTIL 9 PM MONDAY FOR THE FOLLOWING
     ZONES: CAMERON...IBERIA...ST. MARY...AND VERMILION.

     INLAND TROPICAL STORM WARNING UNTIL 8 PM SATURDAY FOR THE
     FOLLOWING ZONES: ACADIA...ALLEN...AVOYELLES...BEAUREGARD...
     CALCASIEU...EVANGELINE...JEFFERSON DAVIS...LAFAYETTE...
     RAPIDES...ST. LANDRY...UPPER ST. MARTIN...AND VERNON.

TX...FLASH FLOOD WATCH UNTIL 7 PM SUNDAY FOR THE FOLLOWING ZONES:
     HARDIN...JASPER...JEFFERSON...NEWTON...ORANGE...AND TYLER.

     INLAND TROPICAL STORM WARNING UNTIL 8 PM SATURDAY FOR THE
     FOLLOWING ZONES: HARDIN...JASPER...NEWTON...AND TYLER.

     TROPICAL STORM WARNING UNTIL 9 PM MONDAY FOR THE FOLLOWING
     ZONES: JEFFERSON...AND ORANGE.

GM...TROPICAL STORM WARNING UNTIL 9 PM MONDAY FOR THE FOLLOWING
     ZONES: COASTAL WATERS FROM CAMERON, LA TO HIGH ISLAND, TX
     OUT 20 NM...COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO
     CAMERON, LA OUT 20 NM...WATERS FROM CAMERON, LA TO HIGH
     ISLAND, TX EXTENDING FROM 20 NM TO 60 NM...AND WATERS FROM
     LOWER ATCHAFALAYA RIVER TO CAMERON, LA EXTENDING FROM 20 TO
     60 NM.

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...TORNADO WATCH UNTIL 9 PM SATURDAY FOR THE FOLLOWING ZONES:
     AVOYELLES...IBERIA...LOWER ST. MARTIN...ST. LANDRY...ST.
     MARY...AND UPPER ST. MARTIN.

     FLASH FLOOD WATCH UNTIL 7 PM SUNDAY FOR THE FOLLOWING ZONES:
     ACADIA...ALLEN...AVOYELLES...BEAUREGARD...CALCASIEU...
     CAMERON...EVANGELINE...IBERIA...JEFFERSON DAVIS...
     LAFAYETTE...LOWER ST. MARTIN...RAPIDES...ST. LANDRY...ST.
     MARY...UPPER ST. MARTIN...VERMILION...AND VERNON.

     TROPICAL STORM WARNING UNTIL 9 PM MONDAY FOR THE FOLLOWING
     ZONES: CAMERON...IBERIA...ST. MARY...AND VERMILION.

     INLAND TROPICAL STORM WARNING UNTIL 8 PM SATURDAY FOR THE
     FOLLOWING ZONES: ACADIA...ALLEN...AVOYELLES...BEAUREGARD...
     CALCASIEU...EVANGELINE...JEFFERSON DAVIS...LAFAYETTE...
     RAPIDES...ST. LANDRY...UPPER ST. MARTIN...AND VERNON.

TX...FLASH FLOOD WATCH UNTIL 7 PM SUNDAY FOR THE FOLLOWING ZONES:
     HARDIN...JASPER...JEFFERSON...NEWTON...ORANGE...AND TYLER.

     INLAND TROPICAL STORM WARNING UNTIL 8 PM SATURDAY FOR THE
     FOLLOWING ZONES: HARDIN...JASPER...NEWTON...AND TYLER.

     TROPICAL STORM WARNING UNTIL 9 PM MONDAY FOR THE FOLLOWING
     ZONES: JEFFERSON...AND ORANGE.

GM...TROPICAL STORM WARNING UNTIL 9 PM MONDAY FOR THE FOLLOWING
     ZONES: COASTAL WATERS FROM CAMERON, LA TO HIGH ISLAND, TX
     OUT 20 NM...COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO
     CAMERON, LA OUT 20 NM...WATERS FROM CAMERON, LA TO HIGH
     ISLAND, TX EXTENDING FROM 20 NM TO 60 NM...AND WATERS FROM
     LOWER ATCHAFALAYA RIVER TO CAMERON, LA EXTENDING FROM 20 TO
     60 NM.

     TORNADO WATCH UNTIL 9 PM SATURDAY FOR THE FOLLOWING ZONES: AND
     COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO CAMERON, LA
     OUT 20 NM.

&&

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, 11:22 AM CDTFlash Flood WarningLCHIberia, Saint Martin, St. Mary3 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.