708
FXUS64 KBRO 241138 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
538 AM CST WED DEC 24 2025
..NEW AVIATION
KEY MESSAGES
UPDATED AT 536 AM CST WED DEC 24 2025
* PATCHY FOG AND DENSE FOG ARE EXPECTED TONIGHT, ESPECIALLY ACROSS
THE RANCHLANDS. ADDITIONAL DENSE FOG IS LIKELY CHRISTMAS EVE INTO
CHRISTMAS MORNING.
* A STRONG COLD FRONT ARRIVES LATE SUNDAY WITH BELOW NORMAL
TEMPERATURES INTO WEDNESDAY MORNING
* THERE IS A MEDIUM (30-45%) CHANCE OF SHOWERS AND ISOLATED
THUNDERSTORMS SUNDAY NIGHT INTO MONDAY
DISCUSSION
ISSUED AT 1035 PM CST TUE DEC 23 2025
THE SUBTROPICAL RIDGE HOLDS ACROSS DEEP SOUTH TEXAS THROUGH THE
WEEKEND, MAINTAINING WELL-ABOVE NORMAL TEMPERATURES, OVER 10
DEGREES ABOVE NORMAL, THROUGH CHRISTMAS AND THE LAST WEEKEND OF
2025. A STRONG COLD FRONT LATE SUNDAY INTO MONDAY BRINGS A MEDIUM
(30-45 PERCENT) CHANCE OF RAIN AND BELOW NORMAL TEMPERATURES INTO
MID NEXT WEEK. THE BEST CHANCE OF THUNDERSTORMS WILL BE ALONG THE
FRONTAL BOUNDARY LATE SUNDAY INTO EARLY MONDAY. HAVE DROPPED
DAYTIME HIGHS ON MONDAY A FEW DEGREES ALONG THE COAST AND CAMERON
COUNTY.
CONFIDENCE IN WIDESPREAD DENSE FOG TONIGHT REMAINS TOO LOW FOR ANY
DENSE FOG ADVISORIES AT THIS TIME. WILL ISSUE AN SPS TO COVER
PATCHY FOG AND DENSE FOG. THERE IS A BETTER SIGNAL FOR FOG
CHRISTMAS EVE INTO CHRISTMAS MORNING. WILL CONTINUE TO MONITOR AND
BRIEF THE NORTH POLE ON THE POTENTIAL NEED FOR RUDOLPH ACROSS DEEP
SOUTH TEXAS.
AVIATION
(12Z TAFS)
ISSUED AT 536 AM CST WED DEC 24 2025
FOG IS PRODUCING LESS THAN IDEAL AVIATION CONDITIONS AT THIS TIME.
VFR WILL BE IN EFFECT AFTER SUNRISE THIS MORNING, BUT A RETURN TO
POSSIBLE LIFR CONDITIONS MAY OCCUR TONIGHT AS FOG REDEVELOPS.
MARINE
ISSUED AT 1035 PM CST TUE DEC 23 2025
SOUTHEASTERLY ONSHORE FLOW CONTINUES INTO THIS WEEKEND WITH A
GRADUALLY INCREASING SWELL. A STRONG COLD FRONT ARRIVES LATE
SUNDAY INTO MONDAY WITH MODERATE TO STRONG NORTHERLY WINDS, A
MEDIUM (30-50%) CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS, AND
HAZARDOUS MARINE CONDITIONS. PATCH FOG AND DENSE FOG WILL REDUCE
VISIBILITY AT TIMES ALONG THE BAY AND NEARSHORE WATERS TONIGHT AND
AGAIN CHRISTMAS EVE INTO CHRISTMAS MORNING. SMALL CRAFT ADVISORIES
WILL LIKELY BE NEEDED MONDAY INTO TUESDAY.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 83 67 84 68 / 10 0 10 0
HARLINGEN 84 63 84 64 / 10 0 0 0
MCALLEN 86 68 86 68 / 0 0 0 0
RIO GRANDE CITY 87 66 86 66 / 0 0 0 0
SOUTH PADRE ISLAND 77 70 77 70 / 10 0 0 0
BAYVIEW/PORT ISABEL 81 66 80 65 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
NONE.
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