777
FXUS64 KBRO 052259 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
559 PM CDT WED AUG 5 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 555 PM CDT WED AUG 5 2026
- UNSEASONABLY HOT AND HUMID CONDITIONS ARE EXPECTED TO CONTINUE
THROUGH THIS NEXT WEEK.
- HEAT INDICES BETWEEN 105-110 F ARE EXPECTED EACH AFTERNOON WITH
SOME AREAS EXCEEDING 111 BRIEFLY. THERE WILL BE MODERATE TO
MAJOR HEAT RISK, WITH THE POTENTIAL FOR HEAT ADVISORIES.
- THERE IS A LOW (LESS THAN 25%) CHANCE OF SEA BREEZE SHOWERS AND
THUNDERSTORMS FRIDAY THROUGH SUNDAY.
- THERE IS A MODERATE RISK OF LIFE-THREATENING RIP CURRENTS AT
AREA BEACHES THROUGH TOMORROW.
DISCUSSION
ISSUED AT 1211 PM CDT WED AUG 5 2026
HOT, HUMID, AND MOSTLY RAIN-FREE CONDITIONS ARE EXPECTED TO CONTINUE
THROUGHOUT THE NEXT WEEK AS UPPER-LEVEL HIGH PRESSURE REMAINS
DOMINANT OVER THE DESERT SOUTHWEST. DUE TO SLIGHTLY INCREASED
MOISTURE ALONG THE COAST, THERE IS A LOW (LESS THAN 25%) CHANCE OF
SEA BREEZE SHOWERS AND THUNDERSTORMS EACH AFTERNOON FRIDAY THROUGH
SUNDAY MAINLY FOR AREAS EAST OF I-69E.
OTHERWISE, TEMPERATURES ARE EXPECTED TO BE UNSEASONABLY HOT WITH
HEAT INDICES REACHING 105-110 DEGREES EACH DAY, WITH SOME AREAS
POTENTIALLY EXCEEDING 111 DEGREES. THERE IS A MODERATE (LEVEL 2 OF
4) TO MAJOR (LEVEL 3 OF 4) HEAT RISK, AND THE POTENTIAL FOR HEAT
ADVISORIES THROUGHOUT THE NEXT WEEK.
A MODERATE RISK OF LIFE-THREATENING RIP CURRENTS CONTINUES AT AREA
BEACHES THROUGH AT LEAST TOMORROW.
AVIATION
(00Z TAFS)
ISSUED AT 555 PM CDT WED AUG 5 2026
BREEZY CONDITIONS THIS EVENING (SE WINDS AROUND 12-16 KNOTS,
GUSTING TO 20-25 KNOTS) ARE LIKELY TO DIMINISH TO GENTLE, LIGHT
AND VARIABLE AT TIMES, WITHIN A FEW HOURS FOLLOWING SUNSET. VFR
CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THE 00Z TAFS AS
SOUTHEASTERLY WINDS RETURN TO SIMILAR SPEEDS BY THE AFTERNOON
HOURS TOMORROW. GUIDANCE IS JUST A BIT INCONSISTENT AT THIS TIME,
BUT A BRIEF SHOWER OR TWO IS POSSIBLE LATE TONIGHT FOLLOWED BY
ANOTHER CHANCE OF SHOWERS AND THUNDERSTORMS TOMORROW AFTERNOON,
THOUGH NOT INCLUDED IN THE TAFS DUE TO LOW CONFIDENCE.
MARINE
ISSUED AT 1211 PM CDT WED AUG 5 2026
OVERALL FAVORABLE CONDITIONS ARE EXPECTED THROUGHOUT THE WEEK WITH
LIGHT TO MODERATE SOUTHEASTERLY WINDS AND LOW SEAS. THERE IS THE
POTENTIAL FOR SMALL CRAFT EXERCISE CAUTION CONDITIONS IN THE BAY
EARLY NEXT WEEK IF CONDITIONS GET BREEZY.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 81 97 80 96 / 0 10 10 30
HARLINGEN 78 99 76 97 / 0 10 0 20
MCALLEN 81 103 80 101 / 0 10 0 20
RIO GRANDE CITY 79 102 78 101 / 0 0 0 10
SOUTH PADRE ISLAND 81 89 81 88 / 0 0 0 10
BAYVIEW/PORT ISABEL 79 95 79 93 / 0 10 10 10
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...55-MM
LONG TERM....55-MM
AVIATION...65-IRISH
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