Alert archive / Louisiana / Areal Flood Warnings in 2012

Areal Flood Warning 4, NWS Lake Charles, LA

February 3, 20125 parishes in Louisiana

NWS Lake Charles, LA issued this areal flood warning at Feb 3, 2012, 2:04 PM CST for 5 parishes in Louisiana. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 3, 2012, 2:04 PM CST (20:04 UTC)
Expired
Feb 3, 2012, 8:00 PM CST
In force
6 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, Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.1 hours before the alert went out and 109 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, Lake Charles Mun, LA at 12:00Z on 2012-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 844 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, Lake Charles Mun, LA at 12:00Z on 2012-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 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
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

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at Feb 3, 12:07 PM CST, 1 hour 57 minutes earlier.

Area forecast discussion, Feb 3, 12:07 PM CST, 1 hour 57 minutes before
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Hazardous weather outlook, Feb 3, 3:57 AM CST, 10 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
357 AM CST FRI FEB 3 2012

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
041000-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-
NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
357 AM CST FRI FEB 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST
CENTRAL LOUISIANA AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT
AREAS OF FOG THROUGH THE MORNING HOURS. SHOWERS WILL CONTINUE
THROUGH THE DAY TODAY WITH THE BEST CHANCE FOR SHOWERS ACROSS THE
LAKES REGION IN SOUTHEAST TEXAS AND ACROSS CENTRAL LOUISIANA. NO
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
A COLD FRONT LOOKS TO MOVE THROUGH THE REGION SATURDAY AFTERNOON
WITH SHOWERS AND THUNDERSTORMS EXPECTED TO INCREASE IN AREA
COVERAGE THROUGH THE DAY ON SATURDAY. PRECIPITATION TAPERING OFF
ON SUNDAY. HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

GMZ430-432-435-450-452-455-470-472-475-041000-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
357 AM CST FRI FEB 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST
GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT
AREAS OF DENSE FOG IN THE COASTAL WATERS WILL LIMIT VISIBILITY AT
TIMES TO LESS THAN ONE HUNDRED FEET. NO HAZARDOUS WEATHER IS
EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
A COLD FRONT WILL MOVE INTO THE COASTAL WATERS TOMORROW EVENING
AND THIS WILL CLEAR OUT THE FOG THAT HAS BEEN LINGERING OVER THE
NORTHWEST GULF ALONG WITH DRAWING SHOWER ACTIVITY TO A CLOSE BY
SUNDAY AFTERNOON. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Feb 3, 12:21 PM CST, 1 hour 43 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 7:40 PM CSTDense Fog AdvisoryLCHCameron11 hr
Feb 3, 5:14 AM CSTTornado WarningLCHAllen, Evangeline, Rapides31 min
Feb 3, 5:45 AM CSTTornado WarningLCHAllen, Evangeline, Rapides30 min
Feb 3, 7:35 AM CSTAreal Flood AdvisoryLCHAllen, Evangeline, Rapides115 min
Feb 3, 8:58 AM CSTAreal Flood AdvisoryLCHAvoyelles, Rapides2 hr
Feb 3, 9:18 AM CSTTornado WarningLCHVernon27 min
Feb 3, 9:56 AM CSTRiver Flood WarningLCHAllen10 days
Feb 3, 9:56 AM CSTRiver Flood WarningLCHAllen, Jefferson Davis8 days
Feb 3, 9:56 AM CSTRiver Flood WarningLCHAllen7 days
Feb 3, 10:17 AM CSTRiver Flood WarningLCHCalcasieu12 days
Feb 3, 10:17 AM CSTRiver Flood WarningLCHAcadia, Allen, Evangeline, Jefferson Davis6 days
Feb 3, 10:57 AM CSTFlash Flood WarningLCHAllen, Avoyelles, Evangeline, Rapides3 hr
Feb 3, 12:38 PM CSTTornado WarningLCHAvoyelles22 min
Feb 3, 1:17 PM CSTTornado WarningLCHAvoyelles28 min
Feb 3, 5:48 AM CSTSpecial Weather StatementLCHTyler57 min
Feb 3, 5:55 AM CSTSevere Thunderstorm WarningLCHTyler65 min
Feb 3, 6:58 AM CSTSpecial Weather StatementLCHJasper62 min
Feb 3, 9:01 AM CSTTornado WarningLCHNewton29 min

Nearby

Areal Flood Warnings in Louisiana, 2012Every areal 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; the sounding from the Mesonet's radiosonde archive.