Alert archive / Louisiana / Flash Flood Warnings in 2012

Flash Flood Warning 39, NWS Lake Charles, LA

August 31, 2012Avoyelles Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Aug 31, 2012, 8:11 AM CDT for Avoyelles Parish, Rapides Parish, Louisiana. It was in force for 6 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 31, 2012, 8:11 AM CDT (13:11 UTC)
Expired: Aug 31, 2012, 2:00 PM CDT
In force: 6 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Avoyelles Parish, LA, Rapides Parish, LA

What was reported inside it

Time	Report	Where	Remark
Aug 31, 10:00 AM CDT	HEAVY RAIN 6.42	Kolin, LA	RAINFALL TOTAL FOR THIS MORNING FROM KALB-TV METEOROLOGIST.
Aug 31, 10:01 AM CDT	FLASH FLOOD	Alexandria, LA	LSU ALEXANDRIA CAMPUS CLOSED DUE TO FLOODING
Aug 31, 10:44 AM CDT	FLASH FLOOD	Alexandria, LA	DALLAS AVE AT BROADWAY AVE CLOSED DUE TO FLOODING
Aug 31, 11:21 AM CDT	FLASH FLOOD	5 Ene Woodworth, LA	HIGHWAY 71 REMAINS CLOSED NORTH OF LECOMPTE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.2 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2801 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 557 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

455 
WGUS54 KLCH 311311
FFWLCH
LAC009-079-311600-
/O.NEW.KLCH.FF.W.0039.120831T1311Z-120831T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
811 AM CDT FRI AUG 31 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN AVOYELLES PARISH IN CENTRAL LOUISIANA...
  RAPIDES PARISH IN CENTRAL LOUISIANA...

* UNTIL 1100 AM CDT

* AT 805 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RAINFALL AMOUNTS OF 4 TO 6 INCHES HAVE FALLEN IN THE  
  PAST 6 HOURS ALONG A NARROW BAND FROM NEAR GLENMORA NORTHEAST TO   
  WOODWORTH TO THE SOUTH SIDE OF ALEXANDRIA TO HOLLOWAY.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALEXANDRIA...GLENMORA...PINEVILLE...BALL...CENTERPOINT...DEVILLE...
  ESLER REGIONAL AIRPORT...HOLLOWAY...KINGSVILLE...KOLIN...
  LECOMPTE...LIBUSE...PARADISE...POLAND...RUBY AND TIOGA.

THERE HAVE BEEN REPORTS OF SIGNIFICANT STREET FLOODING AS WELL AS 
FLOODING OF HIGHWAY 71 SOUTH OF ALEXANDRIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3  ARE POSSIBLE IN THE WARNED 
AREA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3147 9216 3141 9215 3136 9207 3134 9207
      3097 9243 3095 9248 3091 9248 3090 9250
      3090 9282 3092 9282 3145 9239 3148 9223

$$

4 follow-up statements

483 
WGUS74 KLCH 311450
FFSLCH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
950 AM CDT FRI AUG 31 2012

LAC009-079-311600-
/O.CON.KLCH.FF.W.0039.000000T0000Z-120831T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RAPIDES LA-AVOYELLES LA-
950 AM CDT FRI AUG 31 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN AVOYELLES
AND RAPIDES PARISHES UNTIL 1100 AM CDT...

AT 944 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT MOST OF THE HEAVY RAINFALL ACROSS THE WARNED AREA. HAS COME TO 
AN END. WITH THE ATMOSPHERE STILL MOIST AND UNSTABLE...OTHER SHOWER 
AND THUNDERSTORMS COULD DEVELOP AT ANYTIME. RAINFALL ESTIMATES THIS 
MORNING HAVE BEEN ANYWHERE FROM 4 TO 6 INCHES IN A NARROW BAND FROM 
NEAR GLENMORA STRETCHING NORTHEAST TO THE SOUTH SIDE OF ALEXANDRIA 
TO NEAR HOLLOWAY. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ALEXANDRIA...GLENMORA...PINEVILLE...BALL...CENTERPOINT...DEVILLE...
ESLER REGIONAL AIRPORT...HOLLOWAY...KINGSVILLE...KOLIN...LECOMPTE...
LIBUSE...PARADISE...POLAND...RUBY AND TIOGA.

THE CREEKS AND DRAINAGES THAT ARE LIKELY FLOODING AT THIS TIME 
INLCUDE BUT ARE NOT LIMITED TO DYSON CREEK NEAR LIBUSE...LITTLE 
HORSEPEN CREEK SOUTH OF LIBUSE AND BURGESS CREEK BETWEEN WOODWORTH 
AND FOREST HILL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3147 9216 3141 9215 3136 9207 3134 9207
      3105 9239 3095 9248 3091 9248 3090 9250
      3090 9282 3092 9282 3145 9239 3148 9223

$$

BRAZZELL

205 
WGUS74 KLCH 311454 CCA
FFSLCH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
954 AM CDT FRI AUG 31 2012

LAC009-079-311600-
/O.CON.KLCH.FF.W.0039.000000T0000Z-120831T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RAPIDES LA-AVOYELLES LA-
954 AM CDT FRI AUG 31 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN AVOYELLES
AND RAPIDES PARISHES UNTIL 1100 AM CDT...

AT 944 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT MOST OF THE HEAVY RAINFALL ACROSS THE WARNED AREA HAS COME TO 
AN END. WITH THE ATMOSPHERE STILL MOIST AND UNSTABLE...OTHER SHOWER 
AND THUNDERSTORMS COULD DEVELOP AT ANYTIME. RAINFALL ESTIMATES THIS 
MORNING HAVE BEEN ANYWHERE FROM 4 TO 6 INCHES IN A NARROW BAND FROM 
NEAR GLENMORA STRETCHING NORTHEAST TO THE SOUTH SIDE OF ALEXANDRIA 
TO NEAR HOLLOWAY. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ALEXANDRIA...GLENMORA...PINEVILLE...BALL...CENTERPOINT...DEVILLE...
ESLER REGIONAL AIRPORT...HOLLOWAY...KINGSVILLE...KOLIN...LECOMPTE...
LIBUSE...PARADISE...POLAND...RUBY AND TIOGA.

THE CREEKS AND DRAINAGES THAT ARE LIKELY FLOODING AT THIS TIME 
INLCUDE BUT ARE NOT LIMITED TO DYSON CREEK NEAR LIBUSE...LITTLE 
HORSEPEN CREEK SOUTH OF LIBUSE AND BURGESS CREEK BETWEEN WOODWORTH 
AND FOREST HILL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3147 9216 3141 9215 3136 9207 3134 9207
      3105 9239 3095 9248 3091 9248 3090 9250
      3090 9282 3092 9282 3145 9239 3148 9223

$$

BRAZZELL

329 
WGUS54 KLCH 311547
FFWLCH
LAC009-079-311900-
/O.EXT.KLCH.FF.W.0039.000000T0000Z-120831T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1047 AM CDT FRI AUG 31 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN AVOYELLES PARISH IN CENTRAL LOUISIANA...
  RAPIDES PARISH IN CENTRAL LOUISIANA...

* UNTIL 200 PM CDT

* AT 1039 AM CDT...RADAR AND RAIN GAUGE ESTIMATES INDICATE THAT 4 TO 
  6 INCHES OF RAINFALL HAS OCCURRED OVER NIGHT AND THIS MORNING WITH 
  ISOLATED AMOUNTS OF JUST OVER 7 INCHES. THIS AREA WAS IN A NARROW  
  BAND ACROSS RAPIDES PARISH FROM NEAR GLENMORA NORTHEAST TO THE     
  SOUTH SIDE OF ALEXANDRIA TO HOLLOWAY. THERE ARE SEVERAL REPORTS OF 
  FLOODED ROADS IN THE WARNING AREA AND FLOODING WILL CONTINUE FOR   
  THE NEXT FEW HOURS AS RUNOFF FROM THE HEAVY RAIN CONTINUES. AT     
  THIS TIME THE HEAVY RAINFALL HAS ENDED...HOWEVER ADDITIONAL        
  SHOWERS AND THUNDERSTORMS COULD STILL DEVELOP THAT WOULD PRODUCE   
  ADDITIONAL HEAVY RAINFALL.  

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALEXANDRIA...GLENMORA...PINEVILLE...BALL...CENTERPOINT...DEVILLE...
  ESLER REGIONAL AIRPORT...HOLLOWAY...KINGSVILLE...KOLIN...
  LECOMPTE...LIBUSE...PARADISE...POLAND...RUBY AND TIOGA.

SOME OF THE CREEKS AND DRAINAGES THAT ARE LIKELY FLOODING INCLUDE 
BUT ARE NOT LIMITED TO DYSON AND LITTLE HORSEPEN CREEKS AROUND 
LISBUE...AS WELL AS BURGESS AND BARBER CREEKS AROUND WOODWORTH AND 
FOREST HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3147 9216 3141 9215 3136 9207 3134 9207
      3105 9239 3095 9248 3091 9248 3090 9250
      3090 9282 3092 9282 3145 9239 3148 9223

$$

BRAZZELL

565 
WGUS74 KLCH 311726
FFSLCH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1226 PM CDT FRI AUG 31 2012

LAC009-079-311900-
/O.CON.KLCH.FF.W.0039.000000T0000Z-120831T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RAPIDES LA-AVOYELLES LA-
1226 PM CDT FRI AUG 31 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN AVOYELLES
AND RAPIDES PARISHES UNTIL 200 PM CDT...

AT 1217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAINFALL HAVE MOVED BACK INTO THE WARNED 
AREA WITH AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL POSSIBLE BY 2 PM. 
RADAR AND GAUGE ESTIMATES INDICATE THAT 4 TO 7 INCHES OF RAIN HAVE 
OCCURRED OVERNIGHT AND THIS MORNING UP TO NOON.  

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ALEXANDRIA...GLENMORA...PINEVILLE...BALL...CENTERPOINT...DEVILLE...
ESLER REGIONAL AIRPORT...HOLLOWAY...KINGSVILLE...KOLIN...LECOMPTE...
LIBUSE...PARADISE...POLAND...RUBY AND TIOGA.

SOME CREEKS AND DRAINAGES THAT ARE LIKELY FLOODING...INCLUDE BUT ARE 
NOT LIMITED TO DYSON CREEK AND LITTLE HORSEPEN CREEK NEAR 
LIBUSE...BURGESS AND SPRING CREEKS NEAR WOODWORTH AND FOREST 
HILL...BARBER CREEK AND MASTERS CREEKS NEAR GLENMORA.

SOME ROADS SOUTH OF ALEXANDRIA REMAIN CLOSED INCLUDING HIGHWAY 71. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3147 9216 3141 9215 3136 9207 3134 9207
      3105 9239 3095 9248 3091 9248 3090 9250
      3090 9282 3092 9282 3145 9239 3148 9223

$$

BRAZZELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 2:05 AM CDT	Special Weather Statement	LCH	Rapides	55 min
Aug 31, 3:00 AM CDT	Special Weather Statement	LCH	Rapides	60 min
Aug 31, 5:27 AM CDT	Areal Flood Advisory	LCH	Rapides	108 min
Aug 31, 7:45 AM CDT	Areal Flood Advisory	LCH	Avoyelles, Rapides	105 min
Aug 31, 11:20 AM CDT	Special Weather Statement	LCH	Rapides	25 min
Aug 31, 12:48 PM CDT	Areal Flood Advisory	LCH	Allen	117 min
Aug 31, 2:02 PM CDT	Areal Flood Warning	LCH	Rapides	3 hr

Nearby

Flash Flood Warnings in Louisiana, 2012 Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.