Alert archive / Louisiana / Flash Flood Warnings in 2009

Flash Flood Warning 42, NWS Lake Charles, LA

December 8, 2009Iberia Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Dec 8, 2009, 3:27 AM CST for Iberia Parish, Louisiana. It was in force for 2 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: Dec 8, 2009, 3:27 AM CST (09:27 UTC)
Expired: Dec 8, 2009, 5:30 AM CST
In force: 2 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

County Iberia Parish, LA

The radar

The Lake Charles radar (KLCH), 149 km from the middle of the area, began a volume at 09:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

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 Dec 7, 11:48 PM CST, 3 hours 39 minutes earlier.

Area forecast discussion, Dec 7, 11:48 PM CST, 3 hours 39 minutes before

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Hazardous weather outlook, Dec 7, 5:15 AM CST, 22 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
515 AM CST MON DEC 7 2009

GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-051>055-
TXZ180>182-201-215-216-081115-
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-
515 AM CST MON DEC 7 2009

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
A CHANCE FOR SHOWERS WILL CONTINUE TODAY AS A FRONTAL BOUNDARY
STALLS JUST OFFSHORE...THEN LIFTS BACK NORTH TONIGHT. OVER THE
COASTAL WATERS...A FEW THUNDERSTORMS WILL ALSO BE POSSIBLE.

HAZARDOUS WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
WARM MOIST AIR WILL SURGE NORTH ON TUESDAY AS THE FRONT MOVES
FURTHER INLAND AND LOW PRESSURE DEVELOPS OVER NW TEXAS AND W OK. A
STRONG 50 TO 60 KNOT LOW LEVEL JET WILL DEVELOP...AND WITH
ADEQUATE DEEP LAYER SHEAR IN PLACE...SHOWERS AND THUNDERSTORMS ARE
EXPECTED. A FEW THUNDERSTORMS COULD BECOME SEVERE...WITH SPC
INDICATING A SLIGHT RISK FOR SEVERE WEATHER. THE PRIMARY THREATS
ASSOCIATED WITH ANY SEVERE STORMS WILL BE DAMAGING WINDS AND
POSSIBLY A FEW TORNADOES.

SHOWERS AND THUNDERSTORMS WILL END FROM WEST TO EAST TUESDAY NIGHT
AS A COLD FRONT PUSHES THROUGH THE AREA. DRIER COOLER WEATHER IS
EXPECTED FOR WEDNESDAY INTO THURSDAY. THE NEXT CHANCE FOR RAIN
COMES LATE IN THE WEEK AS ANOTHER LOW PRESSURE SYSTEM DEVELOPS
OVER THE GULF OF MEXICO.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED TUESDAY.

24

In the hours before

Local storm report, Dec 8, 3:18 AM CST, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 8, 3:34 AM CST	Small Craft Advisory	LCH		15 hr
Dec 8, 4:29 AM CST	Lake Wind Advisory	LCH	Lafayette, Saint Martin	14 hr
Dec 8, 6:37 AM CST	Marine Dense Fog Advisory	LCH		4 hr
Dec 8, 6:52 AM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more	4 hr
Dec 8, 3:27 PM CST	Marine Dense Fog Advisory	LCH		15 hr
Dec 8, 3:36 PM CST	Dense Fog Advisory	LCH	Beauregard, Lafayette, Saint Martin, Vernon	14 hr

Nearby

Flash Flood Warnings in Louisiana, 2009 Every flash flood warning in 2009

Sources

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