669
FXUS62 KJAX 240525
AFDJAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1225 AM EST WED DEC 24 2025
KEY MESSAGES
FOR THE LATEST NE FL AND SE GA DAILY KEY MESSAGES PLEASE VISIT:
HTTPS:/WWW.WEATHER.GOV/MEDIA/JAX/BRIEFINGS/NWS-JAX-BRIEFING.PDF
- LOCALLY DENSE FOG INLAND THIS MORNING AND AGAIN THURSDAY
MORNING
- COLD WEATHER RETURNS EARLY NEXT WEEK WITH INLAND FREEZES
EXPECTED MONDAY AND TUESDAY NIGHTS
NEAR TERM /THROUGH TONIGHT/
HIGH PRESSURE RIDGING WILL PREVAIL ACROSS THE AREA THIS PERIOD.
LOW LEVEL MOISTURE AND LIGHT WINDS IS EXPECTED TO ALLOW FOG
DEVELOPMENT EARLY THIS MORNING. THIS FOG COULD BECOME DENSE, AND AN
ADVISORY MAY BECOME NECESSARY. THIS FOG WILL LIFT BY MID MORNING,
WITH SUNNY SKIES THROUGH THE AFTERNOON. HIGHS TODAY WILL BE WELL
ABOVE AVERAGE. A FEW LOCATIONS COULD HAVE READINGS REACH 80, MAINLY
AROUND AND SOUTH OF GAINESVILLE.
FOR TONIGHT, ANOTHER ROUND OF FOG IS EXPECTED, WITH TEMPERATURES
REMAINING ABOVE AVERAGE.
SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/
A STAGNANT, DRY PATTERN WITH HIGH PRESSURE TO THE WEST WILL OFFER
ANOTHER DAY OF WELCOMED WARMTH ON CHRISTMAS DAY WITH TEMPERATURES
PUSHING TOWARD 80 DEGREES, WHICH IS JUST A FEW DEGREES SHY OF DAILY
RECORDS.
NORTHWESTERLY FLOW ALONG THE EASTERN PERIPHERY OF THE LOW LEVEL
RIDGE WILL KEEP MORNING FOG ON CHRISTMAS MORNING LIMITED IN AREAL
EXTEND, MAINLY ACROSS PORTIONS OF THE LOWER SUWANNEE RIVER VALLEY
AND I-75. IT'S LIKELY THAT AREAS THAT EXPERIENCE PATCHY FOG
CHRISTMAS DAY WILL GET ANOTHER ROUND OF IT FRIDAY MORNING. FOG
FRIDAY AM MAY SPREAD A BIT FURTHER EAST - BEYOND I-75 - AS THE
SURFACE HIGH IS NUDGED SOUTHWARD BY A STALLED FRONTAL FEATURE TO THE
NORTH AND LOW LEVEL FLOW BECOMES WESTERLY.
LONG TERM /SATURDAY THROUGH TUESDAY/
UNSEASONABLY WARM WEATHER WILL CONTINUE THROUGH THE WEEKEND WITH
HIGHS CLOSE TO THE 80S POTENTIALLY IN THE LOW 80S ON SUNDAY AS
SOUTHWESTERLY FLOW AND MIXING INCREASES AHEAD THE NEXT FORMIDABLE
COLD FRONT.
HIGH PRESSURE WILL BE THE DOMINANT WEATHER FEATURE THROUGH SATURDAY
BUT A WEAK COLD FRONT WILL ATTEMPT TO PUSH SOUTH AS HIGH PRESSURE
WEDGES ALONG THE SOUTHERN APPALACHIANS EARLY SUNDAY MORNING. NOT
MUCH CONSEQUENCE LOCALLY, AS THE FRONT STALLS AND QUICKLY LIFTS
NORTHWARD AS WARM FRONT IN ADVANCE OF THE STRONGER APPROACHING COLD
FRONT. THAT FRONT WILL BRING THE NEXT CHILLY WINTER BLAST TO START
THE LAST WEEK OF THE 2025. WIDESPREAD LIGHT FREEZE IS LIKELY
OVERNIGHT MONDAY INTO TUESDAY WITH WIND CHILLS DROPPING INTO THE MID
20S. A MORE WIDESPREAD FREEZE IS LIKELY TUESDAY NIGHT AS WINDS TREND
CALM, ENHANCING RADIATIVE COOLING. ANTICIPATE FREEZE HEADLINES BY
THE WEEKEND FOR THIS INCOMING COLD BLAST.
AVIATION /06Z WEDNESDAY THROUGH 06Z THURSDAY/
FOG WILL CONTINUE TO DEVELOP ACROSS THE AREA EARLY THIS MORNING,
WHICH MAY BECOME DENSE. STILL A DEGREE OF UNCERTAINTY AS TO WHERE
THE DENSEST FOG WILL BE LOCATED, BUT AT THIS TIME, FOCUSING ON
INLAND TAF SITES. ANY FOG WHICH DOES DEVELOP WILL LIFT BY MID
MORNING, WITH VFR CONDITIONS FOR THE AFTERNOON AND EVENING.
MARINE
A WEAK TROUGH WILL MOVE SOUTH ACROSS AREA WATERS WEDNESDAY NIGHT,
OTHERWISE HIGH PRESSURE RIDGING WILL PREVAIL THROUGH SATURDAY. THE
HIGH WILL MOVE TO THE SOUTH ON SUNDAY. A COLD FRONT WILL MOVE
SOUTHEAST ACROSS REGION SUNDAY NIGHT INTO MONDAY.
RIP CURRENTS: SE GA LOW WEDNESDAY
NE FL MODERATE TODAY
FIRE WEATHER
HIGH PRESSURE BEING SITUATED TO THE WEST WILL YIELD NORTHWESTERLY
FLOW ACROSS SOUTHEAST GA AND NORTHEAST FL THROUGH CHRISTMAS. A RIDGE
OF HIGH PRESSURE WILL SLIDE SOUTH THIS WEEKEND TURNING WINDS
WESTERLY AHEAD OF THE NEXT FORMIDABLE COLD FRONT. THAT FRONT WILL
PUSH THE REGION EARLY NEXT WEEK AND IS LIKELY TO BRING A PERIOD OF
ELEVATED FIRE WEATHER CONDITIONS ALONG WITH WIDESPREAD FROST AND COLD
TEMPERATURES.
FOG POTENTIAL AND OTHER REMARKS: NIGHTLY PATCHY FOG WILL BE
POSSIBLE, ESPECIALLY INLAND THROUGH THE WEEKEND. THE MOST FAVORABLE
LOCATION FOR FOG DEVELOPMENT WILL BE THE SUWANNEE RIVER VALLEY.
PRELIMINARY POINT TEMPS/POPS
AMG 77 53 77 52 / 0 0 0 0
SSI 73 55 72 55 / 0 0 0 0
JAX 79 53 79 52 / 0 0 0 0
SGJ 76 55 76 54 / 0 0 0 0
GNV 81 53 80 52 / 0 0 0 0
OCF 80 52 79 52 / 0 0 0 0
JAX WATCHES/WARNINGS/ADVISORIES
FL...NONE.
GA...NONE.
MARINE...NONE.
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