Alert archive / Louisiana / River Flood Warnings in 2009

River Flood Warning 75, NWS Lake Charles, LA

December 12, 2009Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this river flood warning at Dec 12, 2009, 9:09 AM CST for Calcasieu Parish, Louisiana. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2009, 9:09 AM CST (15:09 UTC)
Expired: Dec 14, 2009, 9:18 AM CST
In force: 48 hr
Issued by: NWS Lake Charles, LA
Flood severity: Minor

County Calcasieu Parish, LA

The radar

The Lake Charles radar (KLCH), 18 km from the middle of the area, began a volume at 15:11 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 river 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 river flood warning went out at Dec 12, 6:26 AM CST, 2 hours 43 minutes earlier.

Area forecast discussion, Dec 12, 6:26 AM CST, 2 hours 43 minutes before

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Hazardous weather outlook, Dec 12, 4:01 AM CST, 5 hours 8 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
401 AM CST SAT DEC 12 2009

GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-051>055-
TXZ180>182-201-215-216-131015-
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-
401 AM CST SAT DEC 12 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 COMBINATION OF HIGH PRESSURE OVER THE SOUTHEAST UNITED STATES AND
AN APPROACHING SURFACE LOW OVER THE NORTHWEST GULF OF MEXICO...WILL
RESULT IN STRONG EAST TO SOUTHEAST WINDS OVER THE COASTAL WATERS
THIS MORNING. SMALL CRAFT SHOULD STAY IN PORT THIS MORNING. WINDS
AND SEAS ARE EXPECTED TO DIMINISH DURING THE AFTERNOON.

DISTURBANCES IN THE SOUTHWEST FLOW ALOFT WILL HELP TO ENHANCE
SHOWERS AND THUNDERSTORMS TODAY AS THE WARM FRONTAL BOUNDARY
APPROACHES THE COAST. RAINFALL MAY BE HEAVY AT TIMES...ESPECIALLY OVER
THE EASTERN AREAS OF SOUTH CENTRAL LOUISIANA.

RAINFALL AMOUNTS WILL AVERAGE BETWEEN 1 TO 2 INCHES...WITH
LOCALLY HIGHER AMOUNTS POSSIBLE.

THE STRONG EAST WINDS WILL ALSO CAUSE SOME WATER PILING ALONG THE
COAST CAUSING TIDES TO BE ONE TO TWO FEET ABOVE ASTRONOMICAL
PREDICTED VALUES. THE ABOVE NORMAL TIDES...ALONG WITH WAVE
ACTION...MAY CAUSE SOME VERY MINOR NUISANCE COASTAL FLOODING
THROUGH THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
A COLD FRONT WILL MOVE ACROSS THE REGION EARLY TUESDAY. SHOWERS
WILL DEVELOP AHEAD OF THIS COLD FRONT. BEHIND THE FRONT...COLD
CONDITIONS WITH BELOW NORMAL TEMPERATURES WILL PREVAIL THROUGH THE
END OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.

06

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 12, 5:17 AM CST	Coastal Flood Statement	LCH		9 hr
Dec 12, 9:09 AM CST	River Flood Warning	LCH	Rapides	22 days
Dec 12, 2:37 PM CST	Areal Flood Advisory	LCH	Saint Martin, St. Mary	3 hr

Nearby

River Flood Warnings in Louisiana, 2009 Every river 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.