Alert archive / Louisiana / Flash Flood Warnings in 2010

Flash Flood Warning 14, NWS Lake Charles, LA

August 18, 20104 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood warning at Aug 18, 2010, 10:16 AM CDT for 4 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
Aug 18, 2010, 10:16 AM CDT (15:16 UTC)
Expired
Aug 18, 2010, 4:00 PM CDT
In force
6 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Flood severity
None

Counties Avoyelles Parish, LA, Evangeline Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA

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 Aug 18, 7:19 AM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, Aug 18, 7:19 AM CDT, 2 hours 57 minutes before
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Hazardous weather outlook, Aug 18, 4:37 AM CDT, 5 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
437 AM CDT WED AUG 18 2010

GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-051>055-
TXZ180>182-201-215-216-191100-
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 EXTENDING FROM 20 NM
TO 60 NM-
WATERS FROM INTRACOASTAL CITY, LA TO CAMERON, LA EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA
EXTENDING FROM 20 NM TO 60 NM-VERNON-RAPIDES-AVOYELLES-BEAUREGARD-
ALLEN-EVANGELINE-ST. LANDRY-CALCASIEU-JEFFERSON DAVIS-ACADIA-
LAFAYETTE-UPPER ST. MARTIN-CAMERON-VERMILION-IBERIA-ST. MARY-
LOWER ST. MARTIN-TYLER-JASPER-NEWTON-HARDIN-JEFFERSON-ORANGE-
437 AM CDT WED AUG 18 2010

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

.DAY ONE...TODAY AND TONIGHT
MEAN AREAL RAINFALL AMOUNTS OVER A 12-HOUR PERIOD ENDING EARLY
THIS EVENING ARE EXPECTED TO RANGE FROM AROUND 1/2 INCH ACROSS
SOUTHEAST TEXAS TO AROUND 3 INCHES ACROSS SOUTH CENTRAL AND EAST
CENTRAL LOUISIANA.

LOCALIZED AMOUNTS OVER THE SAME 12-HOUR PERIOD WILL RANGE...FROM
1 TO 2 INCHES ACROSS SOUTHEAST TEXAS...TO FROM 3 TO 5 INCHES ACROSS
SOUTH CENTRAL AND EAST CENTRAL LOUISIANA.

IN ADDITION...RAINFALL RATES WILL BE INTENSE AT TIMES...RANGING
FROM 2 TO 4 INCHES PER HOUR IN THE STRONGER SHOWERS. FREQUENT LIGHTING
WILL ACCOMPANY THESE STORMS.

A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTH CENTRAL AND PORTIONS OF
EAST CENTRAL LOUISIANA FOR TODAY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO RETURN IN EARNEST ON
THURSDAY. ANOTHER FLASH FLOOD WATCH MAY BE REQUIRED.

THE AREAL EXTENT OF SHOWERS AND THUNDERSTORMS WILL DECREASE ON
FRIDAY...WITH THE HEAVIEST ACTIVITY OVER SOUTH CENTRAL AND EAST
CENTRAL LOUISIANA.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TODAY AND THURSDAY DUE TO THE
POTENTIAL FOR FLOODING.

In the hours before

Local storm report, Aug 18, 8:44 AM CDT, 1 hour 32 minutes before
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Local storm report, Aug 18, 8:54 AM CDT, 1 hour 22 minutes before
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Local storm report, Aug 18, 9:00 AM CDT, 1 hour 16 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 8:20 PM CDTSpecial Weather StatementLCHRapides55 min
Aug 18, 3:23 AM CDTFlash Flood WarningLCHAvoyelles, Saint Landry3 hr
Aug 18, 4:15 AM CDTAreal Flood AdvisoryLCHAllen, Evangeline, Saint Landry2 hr
Aug 18, 6:17 AM CDTFlash Flood WarningLCHAvoyelles, Evangeline, Rapides, Saint Landry4 hr
Aug 18, 11:06 AM CDTAreal Flood AdvisoryLCHAcadia, Evangeline, Saint Landry114 min
Aug 18, 12:00 PM CDTSpecial Weather StatementLCHAvoyelles60 min
Aug 18, 3:49 PM CDTSpecial Weather StatementLCHVernon41 min
Aug 18, 3:57 PM CDTAreal Flood WarningLCHAcadia, Avoyelles, Evangeline, Rapides, Saint Landry12 hr
Aug 18, 2:14 PM CDTSpecial Weather StatementLCHJasper46 min
Aug 18, 2:49 PM CDTSpecial Weather StatementLCHHardin41 min
Aug 18, 3:08 PM CDTSpecial Weather StatementLCHNewton52 min

Nearby

Flash Flood Warnings in Louisiana, 2010Every flash flood warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.