Alert archive / Louisiana / Special Marine Warnings in 2012

Special Marine Warning 101, NWS Lake Charles, LA

July 21, 2012

NWS Lake Charles, LA issued this special marine warning at Jul 21, 2012, 4:47 PM CDT. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 21, 2012, 4:47 PM CDT (21:47 UTC)
Expired: Jul 21, 2012, 5:45 PM CDT
In force: 58 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

What forecasters said that day

The local office's own words before this special marine 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 special marine warning went out at Jul 21, 4:37 PM CDT, 10 minutes earlier.

Area forecast discussion, Jul 21, 4:37 PM CDT, 10 minutes before

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Hazardous weather outlook, Jul 21, 10:04 AM CDT, 6 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1004 AM CDT SAT JUL 21 2012

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
221100-
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-
1004 AM CDT SAT JUL 21 2012

...FLASH FLOOD WATCH FOR PORTIONS OF ACADIANA THROUGH 9 PM...

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

STRONG HEATING WILL WORK ON A VERY MOIST AND CONDITIONALLY UNSTABLE
ATMOSPHERE THIS AFTERNOON. SCATTERED TO NUMEROUS AFTERNOON
THUNDERSTORMS COULD BRIEFLY PULSE TO SEVERE LIMITS WITH LOCALLY
HEAVY RAINFALL AND DOWN-BURST WINDS THE MAIN CONCERN. DUE TO THE
ALREADY SATURATED GROUND IN ACADIANA AND THE POSSIBILITY OF HEAVY
RAIN AND SLOW STORM MOVEMENT A FLASH FLOOD WATCH IS IN EFFECT FOR
VERMILION, LAFAYETTE, SAINT LANDRY, IBERIA, SAINT MARTIN, AND SAINT
MARY PARISHES THROUGH 9 PM THIS EVENING.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE FOR PORTIONS OF THE REGION
TROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SIMILAR CONDITIONS WILL BE IN PLACE ON SUNDAY AS THE AREA WILL BE
WITHIN A WET SECTOR OF AN INVERTED UPPER TROF HEADING WEST INTO TEXAS.

THE COVERAGE OF AFTERNOON THUNDERSTORMS WILL BE OF A MORE TYPICAL
VARIETY FOR SUMMERTIME DURING THE WEEK WITH AN ACTIVE SEA-BREEZE.

.SPOTTER INFORMATION STATEMENT...
ACTIVATION IS NOT ANTICIPATED, HOWEVER SPOTTERS ARE ENCOURAGED TO
REPORT ANY INDIVIDUAL REPORTS OF FLOODING OF SEVERE WEATHER.

GMZ430-432-435-450-452-455-470-472-475-221000-
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-
1004 AM CDT SAT JUL 21 2012

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED AFTERNOON THUNDERSTORMS AS A WAVE IN THE EASTERLIES
MOVES TO OUR WEST.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE EASTERLY WAVE WILL BE HEADING INTO TEXAS ON SUNDAY, KEEPING THE
COASTAL WATERS IN THE MOIST SECTOR AND MAINTAINING SCATTERED
THUNDERSTORM COVERAGE. AS WE GET INTO THE WORK WEEK, THUNDERSTORMS
WILL DECREASE AS HIGH PRESSURE BUILDS IN.

.SPOTTER INFORMATION STATEMENT...

BARRING ANY ADDITIONAL CONVECTIVE COMPLEX DEVELOPMENT, NOT
ANTICIPATING A NEED FOR SPOTTERS OUT OVER THE COASTAL WATERS.

In the hours before

Special weather statement, Jul 21, 3:45 PM CDT, 1 hour 2 minutes before

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Local storm report, Jul 21, 3:50 PM CDT, 57 minutes before

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Local storm report, Jul 21, 4:06 PM CDT, 41 minutes before

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Local storm report, Jul 21, 4:11 PM CDT, 36 minutes before

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Local storm report, Jul 21, 4:26 PM CDT, 21 minutes before

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Special weather statement, Jul 21, 4:32 PM CDT, 15 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
Jul 20, 7:06 PM CDT	Severe Thunderstorm Warning	LCH	Rapides	39 min
Jul 20, 7:19 PM CDT	Severe Thunderstorm Warning	LCH	Rapides	56 min
Jul 20, 8:13 PM CDT	Special Weather Statement	LCH	Jefferson Davis	62 min
Jul 20, 8:21 PM CDT	Special Weather Statement	LCH	Allen	54 min
Jul 20, 9:01 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	44 min
Jul 20, 9:25 PM CDT	Special Weather Statement	LCH	Cameron	65 min
Jul 20, 9:47 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Cameron	43 min
Jul 20, 9:51 PM CDT	Special Marine Warning	LCH		54 min
Jul 20, 10:24 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	51 min
Jul 20, 10:30 PM CDT	Special Marine Warning	LCH		60 min
Jul 20, 10:34 PM CDT	Special Marine Warning	LCH		56 min
Jul 20, 11:32 PM CDT	Special Marine Warning	LCH		58 min
Jul 21, 9:54 AM CDT	Flash Flood Watch	LCH	Lafayette, Saint Landry, Saint Martin	6 hr
Jul 21, 12:18 PM CDT	Special Marine Warning	LCH		57 min
Jul 21, 1:10 PM CDT	Special Marine Warning	LCH		2 hr
Jul 21, 1:16 PM CDT	Special Weather Statement	LCH	Acadia, Allen, Jefferson Davis	59 min
Jul 21, 1:49 PM CDT	Special Weather Statement	LCH	Acadia, Lafayette, Saint Martin	56 min
Jul 21, 1:59 PM CDT	Special Weather Statement	LCH	Calcasieu, Jefferson Davis	61 min
Jul 21, 2:10 PM CDT	Special Weather Statement	LCH	Cameron	50 min
Jul 21, 2:36 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	54 min
Jul 21, 2:41 PM CDT	Special Weather Statement	LCH	Vermilion	79 min
Jul 21, 2:48 PM CDT	Special Marine Warning	LCH		117 min
Jul 21, 3:19 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	41 min
Jul 21, 3:45 PM CDT	Special Weather Statement	LCH	Orange	60 min
Jul 21, 4:32 PM CDT	Special Weather Statement	LCH	Jefferson	58 min

Nearby

Special Marine Warnings in Louisiana, 2012 Every special marine 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.