325  
FXUS64 KLCH 050852  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
252 AM CST FRI MAR 5 2021  
   
DISCUSSION
 
 
WX MAP SHOWS SFC LOW DEVELOPING OVER NORTH TEXAS, WITH HIGH  
PRESSURE RIDGING SOUTHWARD OVER THE GREAT LAKES. RADAR BEGINNING  
TO SHOW ISOLATED TO SCATTERED SHOWERS OVER EAST TEXAS AND NORTH  
LOUISIANA, WITH A FEW SHOWERS OVER CENTRAL LOUISIANA. TEMPERATURES  
RANGING FROM THE UPPER 40S TO LOWER 50S.  
 
THE SURFACE LOW, ALONG WITH IT ACCOMPANYING UPPER LEVEL DISTURBANCE  
FROM TX/OK, WILL ALL MOVE SOUTHEAST TODAY. AS THIS DISTURBANCE  
MOVES ACROSS OUR REGION, INCREASING CLOUDINESS THIS MORNING WITH  
INCREASING CHANCES OF SHOWERS AND A FEW THUNDERSTORMS IS EXPECTED  
LATER THIS MORNING, WITH THE HIGHEST CHANCES THIS AFTERNOON AND  
EVENING FOR THE AREA. EXPECTED STORM TOTAL RAINFALL OF A QUARTER  
TO ONE HALF INCHES CAN BE EXPECTED.  
 
BEHIND THIS SYSTEM WILL BE BUILDING HIGH PRESSURE, A RETURN TO  
SLIGHTLY COOLER TEMPERATURES, AND NO PRECIPITATION EXPECTED FOR  
THE REMAINDER OF THE WEEKEND. A WARMING TREND IS EXPECTED MONDAY  
THROUGH THURSDAY OF NEXT WEEK. A WEAK DISTURBANCE OVER THE ARKLATEX  
MAY GIVE VERY LOW CHANCES OF SHOWERS LATE WEDNESDAY INTO THURSDAY,  
BUT WITH EXTENDED RANGE FORECASTS THIS FAR OUT, LOWER CONFIDENCE  
WITH THESE PRECIPITATION CHANCES.  
 
DML  
 

 
   
MARINE
 
 
EXPECT SOUTHEASTERLY WINDS TODAY AHEAD OF AN AREA OF LOW PRESSURE  
OVER NORTH TEXAS. CHANCES FOR SHOWERS AND A FEW THUNDERSTORMS WILL  
INCREASE THIS AFTERNOON THROUGH EARLY SATURDAY AS THE SURFACE LOW  
AND ACCOMPANYING UPPER LEVEL DISTURBANCE MOVES SOUTHEAST INTO THE  
WESTERN GULF OF MEXICO. EXPECT MODERATE NORTHERLY WINDS BEHIND  
THE EXITING LOW ON SATURDAY. FOR THIS, A SMALL CRAFT ADVISORY IS  
ISSUED FROM 6 AM TO 3 PM SATURDAY FOR THE 20-60NM ZONES, WITH  
SMALL CRAFT EXERCISE CAUTION FOR THE 0-20NM ZONES DURING THE SAME  
TIME PERIOD. THE WINDS WILL DIMINISH BY SATURDAY EVENING. EXPECT  
AN ONSHORE FLOW TO RESUME LATE SUNDAY INTO EARLY NEXT WEEK.  
 
DML  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
AEX 68 46 64 40 / 40 40 0 0  
LCH 69 50 66 44 / 40 50 0 0  
LFT 70 50 66 42 / 30 50 0 0  
BPT 68 51 67 46 / 40 40 0 0  
 

 
   
LCH WATCHES/WARNINGS/ADVISORIES
 
 
LA...NONE.  
TX...NONE.  
GM...SMALL CRAFT ADVISORY FROM 6 AM TO 3 PM CST SATURDAY FOR GMZ470-  
472-475.  
 
SMALL CRAFT EXERCISE CAUTION FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON FOR GMZ450-452-455.  
 

 
 

 
 
PUBLIC...08  
 
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