617
FXUS64 KBRO 172326 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
626 PM CDT WED SEP 17 2025
..NEW AVIATION
DISCUSSION
ISSUED AT 1207 PM CDT WED SEP 17 2025
AN UNSETTLED WEATHER PATTERN CONTINUES ACROSS DEEP SOUTH TEXAS.
DAYTIME HEATING IN COMBINATION WITH ABUNDANT TROPICAL MOISTURE
AND A SERIES OF DISTURBANCES PASSING OVERHEAD WILL KEEP RAIN AND
THUNDERSTORM CHANCES IN THE FORECAST THROUGH MID-WEEK. THE RAIN
CHANCES WILL TYPICALLY REMAIN HIGHEST (30-60%) ALONG AND EAST OF
US 281/I-69C. MUCH OF THIS ACTIVITY WILL BE ALONG THE SEABREEZE,
WITH PEAK TIMING FOR PRECIPITATION IN THE EARLY AFTERNOON INTO THE
EARLY EVENING.
INCREASED CLOUD COVER AND RAIN CHANCES, PRIMARILY DURING PEAK
AFTERNOON HEATING, WILL KEEP TEMPERATURES NEAR NORMAL THROUGH MID-
WEEK.
ONSHORE FLOW AND SLIGHTLY ELEVATED SEAS WILL MAINTAIN A MODERATE
RISK OF RIP CURRENTS ALONG THE BEACHES OF THE LOWER TEXAS COAST
THROUGH THURSDAY.
AVIATION
(00Z TAFS)
ISSUED AT 620 PM CDT WED SEP 17 2025
SCATTERED SHOWERS MOVING THROUGH THE AREA THIS EVENING MAY
BRIEFLY MOVE ACROSS AN AIRFIELD, HOWEVER CONDITIONS ARE EXPECTED
TO PREDOMINANTLY REMAIN VFR. CONVECTION WILL LIKELY DECREASE
OVERNIGHT, WITH ANOTHER ROUND OF CONVECTION POSSIBLE THURSDAY
MORNING THROUGH THE AFTERNOON. CONDITIONS MAY BRIEFLY DROP TO
MVFR OR IFR LEVELS IF ANY SHOWER OR THUNDERSTORM MOVES OVER AN
AIRFIELD.
MARINE
ISSUED AT 1207 PM CDT WED SEP 17 2025
GENERALLY FAVORABLE CONDITIONS WITH MOSTLY LIGHT TO MODERATE WINDS
AND SEAS OF 2 TO 4 FEET. RAIN AND THUNDERSTORM CHANCES THROUGH THE
WEEK 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 76 90 77 92 / 40 60 50 60
HARLINGEN 73 92 72 92 / 20 50 20 60
MCALLEN 76 95 76 95 / 20 50 20 50
RIO GRANDE CITY 72 95 72 96 / 10 30 10 40
SOUTH PADRE ISLAND 80 87 80 87 / 50 50 50 60
BAYVIEW/PORT ISABEL 77 89 76 89 / 40 50 40 60
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...68-MCGINNIS
LONG TERM....68-MCGINNIS
AVIATION...60-BE
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