933
FXUS64 KBRO 120555 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1255 AM CDT FRI SEP 12 2025
..NEW AVIATION
DISCUSSION
ISSUED AT 1022 PM CDT THU SEP 11 2025
AN UNSETTLED WEATHER PATTERN CONTINUES ACROSS DEEP SOUTH TEXAS AS
AMPLE MOISTURE AND WEAK IMPULSES MOVING OVER THE REGION WILL
CONTINUE TO BRING RAIN CHANCES TO DEEP SOUTH TEXAS AND THE RGV,
ESPECIALLY IN THE AFTERNOON. RAIN CHANCES WILL REMAIN 20-50%
THROUGH SATURDAY, WITH A SLIGHT DECREASE IN POPS ON SUNDAY
(20-40%). A WEAK COASTAL TROUGH BEGINS TO SET UP LATE THIS WEEKEND
AND WILL LINGER THROUGH NEXT WEEK WITH RAIN CHANCES MONDAY
THROUGH FRIDAY OF 30-60%. THE HIGHEST CHANCE OF RAINFALL WILL
COINCIDE WITH THE HEATING OF THE DAY AND THE SEA BREEZE.
TEMPERATURES WILL REMAIN NEAR NORMAL EACH DAY WITH HEAT INDICES OF
100 TO 105 DEGREES THROUGH SATURDAY, THEN FALLING TO UPPER 90S TO
AROUND 100 DEGREES FOR THE REMAINDER OF THE FORECAST PERIOD. HEAT
RISK WILL BE GENERALLY MINOR (LEVEL 1 OUT OF 4) WITH POCKETS OF
MODERATE (LEVEL 2 OUT OF 4), MAINLY ACROSS THE LOWER AND MID
VALLEY, FOR THE FORECAST PERIOD.
A MODERATE RISK OF RIP CURRENTS IS EXPECTED AT AREA BEACHES OVER THE
NEXT FEW DAYS.
AVIATION
(06Z TAFS)
ISSUED AT 1245 AM CDT FRI SEP 12 2025
MOSTLY CLEAR SKIES AND VERY LIGHT WINDS PREVAIL ACROSS DEEP SOUTH
TEXAS EARLY THIS MORNING. A FEW SHOWERS WILL BE POSSIBLE
OVERNIGHT AND COULD IMPACT HRL AND BRO. OTHERWISE, SHOWER AND
THUNDERSTORMS CHANCE INCREASE LATER THIS MORNING INTO THE
AFTERNOON. THERE IS A MODERATE CHANCE OF CONVECTION ACROSS THE
AREA TODAY BUT CONFIDENCE REMAINS LOW ON SHOWERS AND THUNDERSTORMS
IMPACTING TERMINALS. THEREFORE, WILL CONTINUE TO MENTION VCSH/VCTS
FOR ALL AERODROMES FOR THIS MORNING INTO THE AFTERNOON. VFR
CONDITIONS WILL CONTINUE FOR THE NEXT 24 HOURS, EXCEPT FOR BRIEF
PERIODS OF IFR/MVFR CONDITIONS IN AND AROUND ANY CONVECTION.
MARINE
ISSUED AT 1022 PM CDT THU SEP 11 2025
GENERALLY FAVORABLE CONDITIONS WITH MOSTLY LIGHT TO MODERATE WINDS
WITH SEAS OF 2 TO 4 FEET AND 5 TO 7 SECOND PERIODS. RAIN AND
THUNDERSTORM CHANCES WILL CONTINUE ON THE WATERS OFF THE LOWER
TEXAS COAST. ANY SHOWER OR THUNDERSTORM ACTIVITY WILL LEAD TO
LOCALIZED INCREASED WINDS AND SEAS.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 91 77 92 77 / 50 40 50 20
HARLINGEN 93 74 94 72 / 50 20 40 10
MCALLEN 96 77 96 75 / 50 20 40 10
RIO GRANDE CITY 95 75 95 73 / 50 10 40 0
SOUTH PADRE ISLAND 88 82 88 82 / 50 40 40 30
BAYVIEW/PORT ISABEL 90 77 90 77 / 50 30 40 20
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...68-MCGINNIS
LONG TERM....68-MCGINNIS
AVIATION...63-KC
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