138  
WHUS44 KLCH 182032  
CFWLCH  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
332 PM CDT THU APR 18 2013  
   
..NUISANCE COASTAL FLOODING ONGOING THIS AFTERNOON  
   
..VERY LOW TIDES EXPECTED THIS EVENING INTO FRIDAY MORNING  
 
.PERSISTENT AND STRONG SOUTHEAST WINDS WILL CONTINUE ACROSS THE  
GULF WATERS THE REST OF THIS AFTERNOON. THIS IS CAUSING A MINOR  
TIDAL PILE UP ALONG THE COAST AND INLAND LAKES AND BAYS ACROSS  
COASTAL SOUTHEAST TEXAS AND COASTAL LOUISIANA DURING ASTRONOMICAL  
HIGH TIDE THIS AFTERNOON...WITH WATER LEVELS RANGING FROM 2.5 TO  
3.5 FEET MEAN LOWER LOW WATER.  
 
A STRONG COLD FRONT WILL SWEEP ACROSS THE REGION THIS EVENING.  
GALE FORCE NORTHERLY WINDS BEHIND THE FRONT WILL CONTINUE THIS  
EVENING INTO FRIDAY MORNING. THE STRONG WINDS...COMBINED WITH THE  
ASTRONOMICAL LOW TIDE TOWARDS DAYBREAK FRIDAY...WILL RESULT IN  
TIDES OF -1.0 TO -1.5 FEET MEAN LOWER LOW WATER. IN ADDITION...THE  
QUICK DROP IN TIDES OF 4 OR MORE FEET FROM THIS AFTERNOON THROUGH  
FRIDAY MORNING WILL RESULT IN RATHER STRONG CURRENTS ACROSS THE  
COASTAL LAKES AND BAYS...ESPECIALLY ALONG THE SABINE AND CALCASIEU  
SHIP CHANNELS.  
 
LAZ041-052>055-073-074-TXZ215-216-190000-  
/O.EXT.KLCH.CF.Y.0003.000000T0000Z-130419T0000Z/  
CALCASIEU-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-  
EAST CAMERON-JEFFERSON-ORANGE-  
332 PM CDT THU APR 18 2013  
 
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS  
EVENING...  
 
THE COASTAL FLOOD ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT THIS  
EVENING.  
 
* COASTAL FLOODING: THE ACTUAL TIDES WILL BE RUNNING ABOUT 1.0  
TO 1.5 FEET ABOVE THE TIDE TABLE VALUES...WITH WATER LEVELS  
RANGING FROM 2.5 TO 3.0 FEET MEAN LOWER LOW WATER.  
 
* TIMING: NUISANCE TIDAL FLOODING IS EXPECTED DURING THE  
AFTERNOON HOURS DURING THE TIME OF HIGH TIDE.  
 
* IMPACTS: MINOR FLOODING ALONG LOWER ELEVATIONS NEAR THE COAST  
AND ALONG SECONDARY ROADWAYS WILL CONTINUE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES  
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.  
 
 
 
 
 
13  
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