660  
FXUS64 KLCH 191900  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
200 PM CDT TUE MAR 19 2019  
   
DISCUSSION
 
 
WX MAP SHOWS 1032MB SFC HIGH OVER THE EASTERN U.S. THIS AFTERNOON,  
WITH SOUTHWEST RIDGING KEEPING AN EASTERLY FLOW OVER THE REGION.  
VISIBLE SATELLITE FINALLY SHOWING THE SCATTERED TO BROKEN MID TO  
HIGH CLOUD LAYERS DISSIPATING THIS AFTERNOON, LEAVING MOSTLY SUNNY  
SKIES FOR THE REGION. AFTERNOON TEMPERATURES IN THE UPPER 60S TO  
NEAR 70.  
 
THE WEAK RIDGING WILL ALLOW WINDS TO DIMINISH THIS EVENING AND  
OVERNIGHT. WITH THE MOSTLY CLEAR SKIES, THIS WILL ALLOW TEMPERATURES  
TO FALL IN THE LOWER 40S ACROSS C LA, MID 40S S LA AND INLAND SE  
TX, AND UPPER 40S ALONG THE I-10 CORRIDOR OF SE TX TO THE COAST.  
ANOTHER RE-ENFORCING COOL FRONT AND HIGH PRESSURE WILL MOVE THROUGH  
THE REGION WEDNESDAY NIGHT INTO THURSDAY MORNING, CONTINUING THE  
COOL CONDITIONS THROUGH FRIDAY.  
 
BY SATURDAY, THE HIGH WILL SLIP EAST, ALLOWING FOR RETURN SOUTHEAST  
TO SOUTHERLY FLOW TO PREVAIL THROUGH THE REMAINDER OF THE  
WEEKEND. THE LOW CHANCES OF SHOWERS AND THUNDERSTORMS WILL RETURN  
BY SATURDAY, WITH SLIGHTLY HIGHER CHANCES SUNDAY INTO EARLY MONDAY  
AS AN UPPER LEVEL TROUGH APPROACHES FROM THE WEST.  
 
DML  
 

 
   
MARINE
 
 
EAST WINDS WILL DIMINISH TONIGHT AS HIGH PRESSURE BUILDS ACROSS  
THE REGION. LIGHT WINDS WILL PREVAIL UNTIL PASSAGE OF ANOTHER COLD  
FRONT WEDNESDAY NIGHT INTO THURSDAY MORNING, RESULTING IN A BRIEF  
PERIOD OF ELEVATED OFFSHORE FLOW. HIGH PRESSURE WILL MOVE EAST OF  
THE REGION FRIDAY, WITH ONSHORE FLOW DEVELOPING AND CONTINUING  
THROUGH THE WEEKEND. AN UPPER LEVEL DISTURBANCE WILL BRING THE  
CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE WEEKEND.  
 
DML  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
AEX 42 70 44 69 / 0 0 10 0  
LCH 44 71 48 71 / 0 0 0 0  
LFT 43 69 47 70 / 0 0 0 0  
BPT 48 72 49 72 / 0 0 0 0  
 

 
   
LCH WATCHES/WARNINGS/ADVISORIES
 
 
LA...NONE.  
TX...NONE.  
GM...SMALL CRAFT EXERCISE CAUTION UNTIL 7 PM CDT THIS EVENING FOR  
GMZ470-472-475.  
 

 
 

 
 
PUBLIC...08  
 
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