807
FXUS64 KBRO 032317 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
617 PM CDT MON AUG 3 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 616 PM CDT MON AUG 3 2026
- HEAT INDICES BETWEEN 105-110F ARE EXPECTED EACH DAY, POTENTIALLY HIGHER.
HEAT ADVISORIES MAY BE NEEDED.
- MODERATE (LEVEL 2 OUT OF 4) TO MAJOR (LEVEL 3 OUT OF 4) HEAT
RISK WILL CONTINUE THROUGH THURSDAY.
- LOW CHANCE OF ISOLATED SHOWERS AND THUNDERSTORMS ALONG THE SEA
BREEZE EACH AFTERNOON, MAINLY LATE WEEK THROUGH THE WEEKEND.
DISCUSSION
ISSUED AT 1206 PM CDT MON AUG 3 2026
HOT TEMPERATURES CONTINUE TO BE THE MAIN HEADLINE THROUGH THE
FORECAST PERIOD THANKS TO HIGH PRESSURE OVER THE SOUTHWESTERN US.
TEMPERATURES EACH DAY WILL RISE INTO THE UPPER 90S TO LOW 100S WITH
HEAD INDICES BETWEEN 105-110F EXPECTED. WHILE WE LOOK TO REMAIN
JUST SHY OF HEAT ADVISORY CRITERIA EACH DAY, A FEW LOCATIONS MAY
BRIEFLY EXCEED 111F. WILL CONTINUE TO MONITOR FOR THE NEED OF HEAT
ADVISORIES, BUT AT THIS TIME SPECIAL WEATHER STATEMENTS WILL
SUFFICE. THERE IS A MODERATE (LEVEL 2 OF 4) TO MAJOR (LEVEL 3 OF
4) HEAT RISK EVERY AFTERNOON THROUGH THURSDAY.
WHILE DRY CONDITIONS WILL PREVAIL, THERE DOES REMAIN A LOW CHANCE
(LESS THAN 20%) OF AN ISOLATED SHOWER OR THUNDERSTORM EACH
AFTERNOON ALONG THE SEABREEZE, MAINLY LATE WEEK INTO THE WEEKEND.
AVIATION
(00Z TAFS)
ISSUED AT 616 PM CDT MON AUG 3 2026
VFR CONDITIONS ARE EXPECTED TO PREVAIL THROUGH THE TAF PERIOD WITH
A SOUTHEASTERLY BREEZE DIMINISHING THIS EVENING AND RETURNING BY
MID-MORNING TUESDAY.
MARINE
ISSUED AT 1206 PM CDT MON AUG 3 2026
AN ENHANCED PRESSURE GRADIENT ALONG THE IMMEDIATE COAST WILL RESULT
IN DAILY SMALL CRAFT EXERCISE CAUTION CONDITIONS ALONG THE LAGUNA
MADRE. OTHERWISE, EXPECT LIGHT TO MODERATE SOUTHEASTERLY WINDS WITH
2 TO 3 FT SEAS AND 5 TO 6 SECOND PERIODS.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 81 97 81 96 / 0 0 0 0
HARLINGEN 77 100 78 99 / 0 0 0 0
MCALLEN 81 101 81 101 / 0 0 0 0
RIO GRANDE CITY 78 102 78 101 / 0 0 0 0
SOUTH PADRE ISLAND 81 89 81 88 / 0 0 0 0
BAYVIEW/PORT ISABEL 79 96 79 95 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...68-AM
LONG TERM....68-AM
AVIATION...56-HALLMAN
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