592
FXUS64 KLCH 241126
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
526 AM CST WED DEC 24 2025
..NEW AVIATION
KEY MESSAGES
- HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED TONIGHT AND WEDNESDAY
MORNING DUE TO DENSE FOG. FOG LEADING TO REDUCED VISIBILITIES IS
EXPECTED EACH NIGHT INTO THE MORNING HOURS, ESPECIALLY OVER THE
NEAR SHORE WATERS AND COASTAL LAKES AND BAYS, FOR THE REMAINDER
OF THE WEEK.
- NEAR RECORD HIGH TEMPERATURES EACH DAY THROUGH THE END OF
CHRISTMAS WEEK.
- A COLD FRONT IS EXPECTED ON SUNDAY TO BRING COOLER WEATHER TO
BEGIN NEXT WEEK.
SHORT TERM
(TONIGHT THROUGH FRIDAY NIGHT)
ISSUED AT 513 AM CST WED DEC 24 2025
NW GULF COAST REGION REMAINS TO THE WEST OF SFC HIGH PRESSURE AND
UNDERNEATH A STRONG MID/UPPER LEVEL RIDGE. THIS HAS LED TO THE
RECORD TO NEAR RECORD SPELL OF WARM TEMPERATURES AND HELPED KEEP A
RISK OF BOTH MARINE AND INLAND FOG IN THE FORECAST. THE RIDGE WILL
BEGIN TO FLATTEN OUT THU INTO FRI, BUT OTHERWISE NO SIGNIFICANT
CHANGE IS EXPECTED IN THE NEAR TERM, WHICH MEANS THE UNSEASONABLY
WARM AND HUMID WEATHER WILL CONTINUE, WITH THE ONLY CHANCE OF WHITE
THIS CHRISTMAS COMING IN THE FORM OF FOG. SANTA WILL DEFINITELY NEED
RUDOLPH THIS YEAR.
GETTING A LITTLE MORE SPECIFIC, HIGHS FOR THE NEXT COUPLE OF DAYS
WILL CONTINUE TO TOP OUT IN THE MID/UPPER 70S TO NEAR 80, WITH LOWS
IN THE UPPER 50S TO LOWER 60S. BASED ON OBSERVED TEMPERATURES
TODAY, THE NBM LOOKED A LITTLE UNDERDONE WITH HIGHS THE NEXT COUPLE
OF DAYS, SO OPTED TO BLEND IN SOME NBM90. IN TERMS OF FOG, A LIGHT
BUT STEADY MOIST ONSHORE FLOW PUSHING AN AIRMASS CHARACTERIZED BY
TDS IN THE UPPER 60S ATOP SSTS IN THE LOWER TO AT BEST MID 60S WILL
CONTINUE TO RESULT IN THE RISK OF MARINE FOG, THOUGH THIS LOOKS TO
WORSEN IN THE LONG TERM AS WINDS SHIFT TO A MORE SW DIRECTION AND
SOURCE REGION TDS INCREASE TO AROUND 70. INLAND FOG WILL ALSO
CONTINUE TO BE A CONCERN VIA BOTH ADVECTIVE AND RADIATIVE
PROCESSES.
LONG TERM
(SATURDAY THROUGH NEXT TUESDAY)
ISSUED AT 513 AM CST WED DEC 24 2025
THE SFC HIGH AND FLAT MID/UPPER RIDGE WILL SHIFT MORE TOWARD THE SE
ON OVER THE WEEKEND, WHILE A POTENT UPPER TROF SWINGS THROUGH THE
NORTHERN PLAINS INTO THE GREAT LAKES. AS THIS FEATURE TRANSLATES
EWD WITH ADDITIONAL SHORTWAVE ENERGY DIVING INTO ITS WESTERN FLANK,
GLOBAL MODELS CONTINUE TO ADVERTISE A STRONG COLD FRONT PUSHING
THROUGH THE AREA LATE SUN NIGHT INTO MON. ABOVE NORMAL WARMTH WILL
CONTINUE THROUGH THE WEEKEND, WITH MUCH COLDER TEMPERATURES EXPECTED
TO START THE UPCOMING WORK WEEK AND CLOSE OUT THE YEAR.
AVIATION
(12Z TAFS)
ISSUED AT 513 AM CST WED DEC 24 2025
SIMILAR FORECAST AS SEEN IN PREVIOUS DAYS. AREAS OF DENSE FOG ARE
ONGOING ACROSS SOUTHEAST TEXAS, LOUISIANA AND MISSISSIPPI. THERE
WERE SOME PEEKS OF IMPROVED VIS REPORTED AT BPT AND OFFSHORE
SOUTHWEST LOUISIANA; A RESULT OF LOW LEVEL DRY AIR MIXING INTO
THE AIRMASS BENEATH NEARSHORE CLOUD COVER. NOW THAT THAT CLOUD
COVER MOVED OFF, FOG IS BUILDING IN ONCEMORE TO NEARSHORE WATERS
AND BPT. VISIBILITIES AND CEILINGS ARE SET TO IMPROVE AFTER 16Z
WHEN DAYTIME HEATING AND MIXING CAN ERODE THE FOG LAYER. LOWER
CEILINGS ARE EXPECTED TO HANG AROUND UNTIL MID DAY WHEN CIGS MIX
TO LOWER MVFR HEIGHTS FOR A BRIEF 3 TO 5 HOUR PERIOD.
VIS AND CEILINGS ARE SET TO CRASH AFTER SUNDOWN ONCE AGAIN AS A
VERY MOIST AIRMASS REMAINS IN PLACE. MARINE FOG WILL ADVECT
INLAND AND REMAINING INLAND AREAS WILL DEVELOP RADIATIONAL FOG.
11/CALHOUN
PRELIMINARY POINT TEMPS/POPS
AEX 78 57 79 60 / 0 0 0 0
LCH 77 60 77 62 / 0 10 0 0
LFT 78 59 78 61 / 0 0 0 10
BPT 77 61 78 62 / 0 0 0 0
LCH WATCHES/WARNINGS/ADVISORIES
LA...DENSE FOG ADVISORY UNTIL 10 AM CST THIS MORNING FOR LAZ027>033-
044-045-055-073-074-141>143-152>154-241>243-252>254.
TX...DENSE FOG ADVISORY UNTIL 10 AM CST THIS MORNING FOR TXZ180-201-
259>262-515-516-615-616.
GM...DENSE FOG ADVISORY UNTIL NOON CST TODAY FOR GMZ430-432-435-436-
450-452-455.
SHORT TERM...13
LONG TERM....13
AVIATION...11
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