Alert archive / Louisiana / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Lake Charles, LA

February 3, 20124 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood warning at Feb 3, 2012, 10:57 AM CST for 4 parishes in Louisiana. It was in force for 3 hr. 2 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: Feb 3, 2012, 10:57 AM CST (16:57 UTC)
Expired: Feb 3, 2012, 2:00 PM CST
In force: 3 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Allen Parish, LA, Avoyelles Parish, LA, Evangeline Parish, LA, Rapides Parish, LA

What was reported inside it

Time	Report	Where	Remark
Feb 3, 11:00 AM CST	FLASH FLOOD	Alexandria, LA	22 ROAD CLOSURES ACROSS RAPIDES PARISH DUE TO FLOODING.
Feb 3, 11:30 AM CST	FLOOD	Centerpoint, LA	OAK HAVEN NURSING HOME EVACUATED DUE TO FLOODING.

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, 5.0 hours before the alert went out and 153 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: 844 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 448 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

670 
WGUS54 KLCH 031657
FFWLCH
LAC003-009-039-079-032000-
/O.NEW.KLCH.FF.W.0002.120203T1657Z-120203T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1057 AM CST FRI FEB 3 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  AVOYELLES PARISH IN CENTRAL LOUISIANA...
  NORTHEASTERN ALLEN PARISH IN SOUTHWEST LOUISIANA...
  NORTHERN EVANGELINE PARISH IN CENTRAL LOUISIANA...
  RAPIDES PARISH IN CENTRAL LOUISIANA...

* UNTIL 200 PM CST

* AT 1051 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LARGE AREA OF SLOW MOVING SHOWERS AND THUNDERSTORMS WITH VERY
  HEAVY RAINFALL ACROSS VERNON AND RAPIDES PARISHES.

  AREA DITCHES ARE STILL FULL FROM THE RAIN EARLIER THIS MORNING. AN 
  ADDITIONAL ONE TO THREE INCHES OF RAIN WILL CAUSE THESE DITCHES TO 
  OVERFLOW ONTO LOCAL ROADS AND HIGHWAYS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...     
  ALEXANDRIA...BOYCE...BUNKIE...CHENEYVILLE...EFFIE...ELIZABETH...
  GLENMORA...HINESTON...MARKSVILLE...MOREAUVILLE...OAKDALE...
  PINEVILLE...TURKEY CREEK...BALL...BAYOU CHICOT...BEAVER...BOND...  
  BROUILLETTE...CENTERPOINT...CHICOT STATE PARK...COTTONPORT...      
  DEVILLE...DUPONT...ECHO...ELMER...EVERGREEN AND GARDNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 3141 9215 3136 9207 3133 9207 3135 9203
      3132 9200 3123 9199 3125 9194 3128 9194
      3088 9189 3084 9204 3085 9221 3080 9221
      3063 9282 3141 9282 3143 9268 3140 9267
      3140 9262 3146 9216

$$

ERICKSON

1 follow-up statement

910 
WGUS74 KLCH 031923
FFSLCH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
123 PM CST FRI FEB 3 2012

LAC003-009-039-079-032000-
/O.CON.KLCH.FF.W.0002.000000T0000Z-120203T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RAPIDES LA-EVANGELINE LA-ALLEN LA-AVOYELLES LA-
123 PM CST FRI FEB 3 2012

AT 123 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO 
INDICATE SCATTERED SLOW-MOVING THUNDERSTORMS WITH VERY HEAVY 
RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES RAINFALL TOTALS OF 
2 TO 6 INCHES HAVE FALLEN ACROSS THE WARNED AREA...WITH THE HIGHEST 
TOTALS OF 4 TO 6 INCHES WITHIN A 10 MILE WIDE SWATH FROM ELIZABETH 
AND OAKDALE NORTHEAST TO DEVILLE. AN ADDITIONAL 2 TO 3 INCHES OF 
RAINFALL IS POSSIBLE.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...ALEXANDRIA...CHENEYVILLE...EFFIE...ELIZABETH...GLENMORA...
HINESTON...OAKDALE...TURKEY CREEK...ALLEN PARISH 
AIRPORT...BEAVER...BOND...CENTERPOINT...COTTONPORT...DEVILLE...
ECHO...ELMER...EVERGREEN AND GARDNER.

RAPIDES PARISH EMERGENCY MANAGEMENT HAS REPORTED NUMEROUS ROADS 
CLOSED ACROSS THE PARISH DUE TO FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS 
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS 
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.

&&

LAT...LON 3141 9215 3136 9207 3133 9207 3135 9203
      3132 9200 3123 9199 3125 9194 3128 9194
      3088 9189 3084 9204 3085 9221 3080 9221
      3063 9282 3141 9282 3143 9268 3140 9267
      3140 9262 3146 9216

$$

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 2, 7:40 PM CST	Dense Fog Advisory	LCH	Cameron	11 hr
Feb 3, 5:14 AM CST	Tornado Warning	LCH	Allen, Evangeline, Rapides	31 min
Feb 3, 5:45 AM CST	Tornado Warning	LCH	Allen, Evangeline, Rapides	30 min
Feb 3, 7:35 AM CST	Areal Flood Advisory	LCH	Allen, Evangeline, Rapides	115 min
Feb 3, 8:58 AM CST	Areal Flood Advisory	LCH	Avoyelles, Rapides	2 hr
Feb 3, 9:18 AM CST	Tornado Warning	LCH	Vernon	27 min
Feb 3, 9:56 AM CST	River Flood Warning	LCH	Allen	10 days
Feb 3, 9:56 AM CST	River Flood Warning	LCH	Allen, Jefferson Davis	8 days
Feb 3, 9:56 AM CST	River Flood Warning	LCH	Allen	7 days
Feb 3, 10:17 AM CST	River Flood Warning	LCH	Calcasieu	12 days
Feb 3, 10:17 AM CST	River Flood Warning	LCH	Acadia, Allen, Evangeline, Jefferson Davis	6 days
Feb 3, 12:38 PM CST	Tornado Warning	LCH	Avoyelles	22 min
Feb 3, 1:17 PM CST	Tornado Warning	LCH	Avoyelles	28 min
Feb 3, 2:04 PM CST	Areal Flood Warning	LCH	Allen, Avoyelles, Evangeline, Rapides, Vernon	6 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.