314  
FXUS64 KLCH 250758  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
258 AM CDT SAT MAY 25 2024  
   
..NEW SHORT TERM, LONG TERM, MARINE
 
 
   
SHORT TERM
 
 
(TODAY THROUGH MONDAY NIGHT)  
ISSUED AT 252 AM CDT SAT MAY 25 2024  
 
HIGH PRESSURE WILL CONTINUE TO DOMINATE OUR WEATHER PATTERN THIS  
MEMORIAL DAY WEEKEND. WEAK BUT STEADY SOUTH TO SOUTHWEST FLOW WILL  
CONTINUE TO PULL IN THE TROPICAL AIRMASS AND HIGH HUMIDITY.  
OVERHEAD, THE HIGH PRESSURE WILL ALSO SUPPRESS CONVECTION LEADING  
TO CLEAR SKIES AND MAXIMIZING OUR DAYTIME HEATING. THE  
UNSEASONABLE WARM TEMPERATURES WILL LEAD TO HIGHS IN THE LOW TO  
MID 90S. MONDAY WILL BE THE HOTTEST DAY OF THE FORECAST PERIOD  
WITH TEMPERATURES IN THE MID TO UPPER 90S. APPARENT TEMPERATURES  
WILL SOAR ABOVE 100 DEGREES AND WILL APPROACH HEAT ADVISORY  
LEVELS OF 108 DEGREES.  
 
MONDAY EVENING A DIFFUSE COLD FRONT WILL PUSH THROUGH THE REGION  
AND BRING A DRY CONTINENTAL AIRMASS. LEADING TO MUCH NICER  
CONDITIONS TO START THE EXTENDED FORECAST.  
 

 
   
LONG TERM
 
 
(TUESDAY THROUGH SATURDAY)  
ISSUED AT 252 AM CDT SAT MAY 25 2024  
 
LARGE MID TO UPPER LEVEL TROUGHS OVER THE WESTERN AND EASTERN U.S.  
WITH WEAK RIDGING ALOFT OVER MEXICO WILL KEEP A WEST NORTHWEST FLOW  
ALOFT OVER THE REGION TUESDAY THROUGH WEDNESDAY. THIS SHOULD ALLOW  
FOR A WEAK FRONTAL BOUNDARY TO MOVE THROUGH THE AREA TUESDAY  
AFTERNOON. EXPECT ANOTHER HOT AFTERNOON WITH HIGHS IN THE LOWER TO  
MID 90S, WITH HEAT INDEX VALUES IN THE LOWER 100S. ISOLATED SHOWERS  
AND THUNDERSTORMS ALONG AND AHEAD OF THE FRONTAL BOUNDARY. SLIGHTLY  
COOLER & DRIER AIR EXPECTED TUESDAY NIGHT AND WEDNESDAY SHOULD BRING  
OVERNIGHT LOWS BACK INTO THE UPPER 60S TO LOWER 70S AND AFTERNOON  
HIGHS IN THE UPPER 80S TO NEAR 90 ON WEDNESDAY.  
 
FOR THURSDAY THROUGH SATURDAY, WHATEVER'S LEFT OF THE FRONTAL  
BOUNDARY EXPECTED TO WASH OUT, WITH SOUTHEAST WINDS EXPECTED TO  
RESUME AS SURFACE HIGH PRESSURE PREVAILS OVER THE SE U.S. WEAK UPPER  
LEVEL DISTURBANCES IN THE NORTHWEST FLOW ALOFT OVER OUR REGION  
LIKELY TO KEEP ISOLATED TO SCATTERED AFTERNOON SHOWERS AND  
THUNDERSTORMS, WITH BLENDED GUIDANCE SHOWING CONSISTENT 20-30% EACH  
AFTERNOON. OVERNIGHT LOWS NEAR 70/LOWER 70S NORTH OF I-10, MID 70S  
FURTHER SOUTH. AFTERNOON HIGHS IN THE UPPER 80S TO NEAR 90.  
 
08/DML  
 

 
   
AVIATION
 
 
(06Z TAFS)  
ISSUED AT 1113 PM CDT FRI MAY 24 2024  
 
UPPER LEVEL BKN TO OVC DECKS OF STRATUS WILL PREVAIL OVER  
LOCATIONS INLAND, NORTH OF I-10 WITH SHOWERS / STORMS WEAKENING  
OVER E'RN TX. CONCURRENTLY, MVFR CONDITIONS TO PREVAIL THROUGH  
THE OVERNIGHT HOURS AS THE HUMID MARINE BOUNDARY LAYER CONTINUES  
TO USHER IN LOW LEVEL MOISTURE CREATING A BKN TO OVC DECK BENEATH  
DRY AIR SUBSIDENCE AROUND 3KFT. WINDS WILL CONTINUE DUE SOUTHERLY  
INTO THE MORNING HOURS. NORTHERN SITES (AEX) HAVE POTENTIAL TO SEE  
VERY BRIEF IFR CEILINGS DURING THE DAWN HOURS. PATCHES OF  
PERIODIC BR OCCURRING ACROSS COASTAL LOCATIONS AND WILL PERSIST  
THROUGH SUNRISE. THEREAFTER CEILINGS WILL LIFT AND BREAK TOWARD  
VFR INTO THE MIDDAY HOURS AS SOUTHERLY WINDS PICKUP BY THE EARLY  
AFTERNOON.  
 

 
   
MARINE
 
 
ISSUED AT 252 AM CDT SAT MAY 25 2024  
 
SURFACE HIGH PRESSURE CONTINUES TO DOMINATE OUR WEATHER PATTERN.  
ON SHORE FLOW WILL CONTINUE FOR THE NEXT SEVERAL DAYS WITH WINDS  
AROUND 10 TO 15 KNOTS. SATURDAY NIGHT WINDS WILL INCREASE  
APPROACHING 20 KNOTS AND A CAUTION STATEMENT FOR SMALL CRAFT WILL  
GO INTO EFFECT. WAVES WILL INCREASE WITH THE WINDS REACHING 6  
FEET SATURDAY AND SUNDAY THEN DECREASING TO 4 FEET ON MONDAY.  
 
NO SHOWER OR THUNDERSTORM ACTIVITY IS EXPECTED THROUGH THE  
HOLIDAY WEEKEND.  

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
AEX 92 73 92 73 / 10 0 0 10  
LCH 88 76 88 77 / 0 0 0 10  
LFT 92 77 91 78 / 0 0 0 0  
BPT 90 77 90 77 / 10 0 0 0  
 

 
   
LCH WATCHES/WARNINGS/ADVISORIES
 
 
LA...NONE.  
TX...NONE.  
GM...NONE.  

 
 

 
 
SHORT TERM...14  
LONG TERM....08  
AVIATION...30  
 
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