542  
FXUS64 KLIX 052003  
AFDLIX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
303 PM CDT MON OCT 5 2026  
   
..NEW SHORT TERM, LONG TERM, AVIATION, MARINE, FIRE WEATHER  
 
   
KEY MESSAGES  
 
UPDATED AT 153 PM CDT MON OCT 5 2026  
 
- PARTLY TO MOSTLY SUNNY SKIES TO RETURN AS RAIN CHANCES GET  
PUSHED TO ALONG THE COAST AND INTO THE OFFSHORE WATERS.  
 
- SMALL CRAFT ADVISORIES WILL BE IN PLACE FOR MOST OF THE COASTAL  
WATERS BEGINNING TUESDAY THROUGH LATE THURSDAY,  
 
- TROPICAL DEVELOPMENT IS EXPECTED IN THE SOUTHERN GULF THIS WEEK  
HOWEVER MUCH UNCERTAINTY REMAINS AS FAR AS EXACT LOCATION AND  
STRENGTH.  
 
 
 
   
SHORT TERM  
 
(NOW THROUGH THURSDAY NIGHT)  
ISSUED AT 153 PM CDT MON OCT 5 2026  
 
A WEAK SURFACE FRONT CONTINUES TO DISSIPATE ACROSS THE REGION  
WITH GENERALLY LIGHT ENE WINDS AT THE SURFACE. ALOFT, WINDS ARE  
FROM THE SSW ALLOWING FOR A WEAK OVERRUNNING PATTERN. HOWEVER, ANY  
PRECIPITATION SHOULD BE LIMITED TO THE IMMEDIATE COAST AND  
GENERALLY OVER THE COASTAL WATERS THROUGH WEDNESDAY. CLOUD COVER  
WILL DECREASE FROM NORTH TO SOUTH THROUGH MID WEEK WITH MORE  
SUNNY CONDITIONS NOTED NORTH OF THE I-10/12 CORRIDOR.  
 
TEMPERATURES WILL WARM BACK INTO THE MID 80S TO LOW 90S FOR HIGHS  
NORTH OF THE COASTAL LAKES, WITH CLOUD COVER AND LINGERING  
SPRINKLES KEEPING TEMPS IN THE LOW TO MID 80S. LOWS WILL GENERALLY  
RANGE IN THE 60S TO MID 70S.  
 
BY THURSDAY, THE PATTERN SHIFTS AS THE REMNANTS OF THE FRONTAL  
BOUNDARY LIFTS BACK TO THE NORTH WITH RAIN CHANCES BEGINNING TO  
INCREASE ONCE AGAIN. HOWEVER, THE BULK OF ANY PRECIPITATION WILL  
STILL BE LIMITED TO MAINLY THE MISSISSIPPI AND LOUISIANA COAST.  
 
 
   
LONG TERM  
 
(FRIDAY THROUGH SUNDAY NIGHT)  
ISSUED AT 153 PM CDT MON OCT 5 2026  
 
THE LIKELIHOOD OF TROPICAL DEVELOPMENT IN THE SOUTHERN GULF HAS  
INCREASED, BUT THERE REMAINS MUCH UNCERTAINTY. NHC HAS A HIGH  
(80%) CHANCE IN THE NEXT 7 DAYS. THE SYSTEM, WHICH HAS NOT  
DEVELOPED YET, WILL BRING A PUSH OF MOISTURE BACK INTO THE REGION.  
RAINFALL WILL BE HEAVIEST SOUTH OF THE COASTAL LAKES AND ACROSS  
THE MS GULF COAST, WITH 3 TO 6 INCHES POSSIBLE THROUGH THE LONG  
TERM. NORTH AND WEST OF THE LAKES, RAINFALL AMOUNTS A 1 TO 3  
INCHESWILL BE MORE LIKELY. ALTHOUGH THE AREA OF GREATEST PRECIP  
COULD SHIFT A BIT, THE HIGHEST CHANCES FOR RAINFALL WILL BE ALONG  
AND EAST OF A LINE FROM HOUMA TO NEW ORLEANS TO PICAYUNE.  
 
DEPENDING ON THE EXACT OUTCOME OF TROPICAL DEVELOPMENT AND FURTHER  
INTERACTION WITH MID LATITUDE SYSTEMS, IT REASONS THAT MANY TC  
SYSTEMS LATE IN THE SEASON TEND TO MOVE QUICKLY. THIS WOULD HELP  
LIMIT ANY WIDESPREAD FLOODING CONCERNS.  
 
OTHERWISE, HIGHS IN THE 80S WITH LOWS IN THE MID 60S TO MID 70S  
ARE EXPECTED.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 153 PM CDT MON OCT 5 2026  
 
DUE TO CLOUDS ACROSS THE SOUTHEAST HALF OF THE AREA, FLIGHT  
CATEGORIES AT AREA TAF SITES ARE CURRENTLY RANGING BETWEEN VFR/IFR  
CATEGORIES. WHILE THERE WILL BE SOME IMPROVEMENT IN CEILINGS  
THROUGH THE AFTERNOON, A VFR/MVFR MIX EXPECTED BY LATE AFTERNOON.  
THERE WILL BE FURTHER IMPROVEMENT TONIGHT AS SITES RETURN TO VFR  
CATEGORIES, BUT TOWARDS DAY BREAK TUESDAY, A RETURN TO A MIX OF  
VFR/IFR STATUSES IS EXPECTED, AS A RESULT OF LOW STRATUS AFFECTING  
NAMELY KHBG AND KPIB. WINDS THIS AFTERNOON WILL BE FROM THE  
NORTHEAST BETWEEN 5-10 KNOTS WITH A FEW HIGHER GUSTS POSSIBLE.  
THESE WILL THEN BECOME CALM TO THE NORTHEAST BETWEEN 3-5 KNOTS.  
/19  
 
 
   
MARINE  
 
ISSUED AT 153 PM CDT MON OCT 5 2026  
 
STRONG HIGH PRESSURE ACROSS MUCH OF THE PLAINS WILL KEEP  
NORTHEASTERLY WINDS OVER THE THE COASTAL WATERS. MEANWHILE, THE  
WINDS ALOFT WILL BE FROM THE SOUTHWEST KEEPING AN OVERRUNNING  
PATTERN THAT WILL BRING SCATTERED SHOWERS ACROSS THE GULF WATERS  
THROUGH MID WEEK.  
 
MARINE CONDITIONS ARE LIKELY TO WORSEN BEYOND WEDNESDAY AND THURSDAY  
AS CONFIDENCE IS INCREASING FOR TROPICAL LOW DEVELOPMENT IN THE  
SOUTHERN GULF. BY LATE IN THE WEEK, WINDS ACROSS THE OPEN WATERS ARE  
EXPECTED TO BE FROM THE ENE AROUND 20 TO 30 KTS, WITH SEAS BUILDING  
TO 9 TO 12 FEET, OCCASIONALLY TO 15 FEET.  
 
UNCERTAINTY STILL REMAINS AS TO THE EXACT DEVELOPMENT AND  
PLACEMENT OF ANYTHING TROPICAL.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 153 PM CDT MON OCT 5 2026  
 
RAINFALL CHANCES WILL STEADILY DECREASE THIS AFTERNOON AND INTO  
TUESDAY. BY WEDNESDAY AND PART OF THE DAY THURSDAY, RAINFALL WILL  
GENERALLY BE LIMITED TO THE IMMEDIATE COASTAL AREAS. MINIMUM RH  
WILL START TO FALL TO AROUND 55 PERCENT NORTH OF INTERSTATE 10  
TUESDAY AFTERNOON, AND 45 TO 55 PERCENT IN THAT AREA WEDNESDAY.  
THE DRIEST AFTERNOON IS EXPECTED TO BE THURSDAY FOR A TIME BEFORE  
UNSETTLED WEATHER RETURNS WITH THE POTENTIAL OF TROPICAL SYSTEM  
LATE THIS WEEK. FOG WILL NOT BE A SIGNIFICANT CONCERN THROUGH THE  
EARLY PORTION OF THE WEEK.  
 
 
   
LIX WATCHES/WARNINGS/ADVISORIES  
 
LA...NONE.  
GM...SMALL CRAFT ADVISORY FROM 7 AM TUESDAY TO 3 AM CDT FRIDAY FOR  
GMZ532-534>536-554-557-575-577.  
 
SMALL CRAFT ADVISORY FROM 1 PM WEDNESDAY TO 3 AM CDT FRIDAY FOR  
GMZ541-543-551-553-570-572.  
 
MS...NONE.  
GM...SMALL CRAFT ADVISORY FROM 7 AM TUESDAY TO 3 AM CDT FRIDAY FOR  
GMZ534>536-554-557-575-577.  
 
SMALL CRAFT ADVISORY FROM 1 PM WEDNESDAY TO 3 AM CDT FRIDAY FOR  
GMZ543-551-553-570-572.  
 
 
 
 
 
SHORT TERM...JFL  
LONG TERM....JFL  
AVIATION...MSW  
MARINE...JFL  
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