984
FXUS64 KBRO 031719
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1219 PM CDT MON AUG 3 2026
..NEW DISCUSSION, AVIATION, MARINE
KEY MESSAGES
UPDATED AT 1206 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
(18Z TAFS)
ISSUED AT 1206 PM CDT MON AUG 3 2026
VFR CONDITIONS WILL PREVAIL THROUGH THE TAF PERIOD. SOUTHEASTERLY
WINDS WILL GUST TO AROUND 20 KTS THIS AFTERNOON BEFORE DECREASING
THIS EVENING.
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 97 / 0 0 0 0
HARLINGEN 77 100 78 99 / 0 0 0 0
MCALLEN 81 101 81 102 / 0 0 0 0
RIO GRANDE CITY 78 102 78 102 / 0 0 0 0
SOUTH PADRE ISLAND 81 89 81 89 / 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
LONG TERM....68
AVIATION...68
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