729  
FXUS64 KBRO 151728  
AFDBRO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1228 PM CDT FRI AUG 15 2025  
   
..NEW DISCUSSION, AVIATION, MARINE  
 
   
DISCUSSION  
 
ISSUED AT 1221 PM CDT FRI AUG 15 2025  
 
CONTINUING TO MONITOR THE INFLUX OF TROPICAL MOISTURE FROM INVEST  
98L. WHILE THE MOST OF THE ACTIVITY HAS BEEN LOCATED OFF THE COAST,  
THERE IS STILL TIME FOR THE SHOWERS AND THUNDERSTORMS TO MOVE  
ASHORE. WHILE THE MAJORITY OF THE ACTIVITY SHOULD BE COMING TO AN  
END TOWARDS THE END OF THE AFTERNOON AND INTO THE EARLY EVENING  
HOURS, A STRAY SHOWER OR THUNDERSTORM IS STILL POSSIBLE TONIGHT.  
RAINFALL ASSOCIATED WITH THESE SHOWERS AND THUNDERSTORMS COULD BE  
AROUND 2 INCHES WITH SOME LOCATIONS SEEING UP 4 INCHES POSSIBLE.  
 
A FLOOD WATCH IS STILL IN EFFECT FOR SOUTHERN HIDALGO AND CAMERON  
COUNTIES THROUGH 6 PM, WHILE THE AREA OF SLIGHT RISK OF EXCESSIVE  
RAINFALL HAS BEEN TRIMMED DOWN A BIT TO FOCUS ALONG THE COAST.  
 
AS FOR THE TEMPERATURES, HIGHS ARE EXPECTED TO REMAIN MOSTLY IN THE  
UPPER 90S TO LOWER TRIPLE DIGITS FOR THE AREA. THE HEAT RISK FOR THE  
PERIOD IS GENERALLY IN THE MODERATE CATEGORY (LEVEL 2 OF 4), HOWEVER  
THE HEAT INDICES FOR TOMORROW IN KENEDY AND WILLACY COUNTIES DO GET  
OVER 111 FOR A FEW HOURS. THIS COULD POTENTIALLY MEET THE CRITERIA  
FOR HEAT ADVISORY, HOWEVER CONFIDENCE IS NOT HIGH ENOUGH TO ISSUE A  
HEAT ADVISORY AT THIS CURRENT TIME. AFTER, TOMORROW THE HEAT INDICES  
DO TEND TO STAY UNDER 110. LOW TEMPERATURES ARE EXPECTED TO BE IN  
THE 70S EACH NIGHT WITH SOME PLACES APPROACHING NEAR 80.  
 
LASTLY, ALONG THE LOWER TEXAS COAST, A MODERATE RISK OF RIP CURRENTS  
IS IN EFFECT THROUGH TOMORROW DUE TO THE INCREASED WAVES AND SWELL  
FROM THE LOW PRESSURE SYSTEM.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1221 PM CDT FRI AUG 15 2025  
 
A MIXTURE OF MVFR TO LIFR CONDITIONS REMAIN POSSIBLE THROUGH THE  
AFTERNOON AS BANDS OF HEAVY RAIN MOVE THROUGH THE REGION. WHILE  
THE MVFR CONDITIONS ARE GENERALLY DUE TO THE LOW-LEVEL CLOUDS  
MOVING THROUGH THE AREA. LIMITED VISIBILITIES REMAIN POSSIBLE  
WITH THE HEAVY RAINFALL AS WELL. BY LATE IN THE AFTERNOON AND  
TOWARDS THE EARLY EVENING HOURS, RAIN CHANCES ARE EXPECTED TO  
DECREASE AND THE RETURN OF MORE VFR CONDITIONS BY TONIGHT. LIGHT  
SOUTHEASTERLY WINDS SHOULD ALSO RETURN AROUND THAT TIME AS WELL.  
 
 
   
MARINE  
 
ISSUED AT 1221 PM CDT FRI AUG 15 2025  
 
SHOWERS AND THUNDERSTORMS ARE CURRENTLY IMPACTING THE LAGUNA MADRE  
AND THE GULF WATERS BRINGING LOCALLY ELEVATED WINDS AND SEAS. EVEN  
OUTSIDE OF THE CONVECTION, SOUTHEASTERLY WINDS AND SEAS ARE ELEVATED  
TO AROUND 15 KNOTS AND SEAS AROUND 7 FEET, RESULTING IN THE NEED FOR  
A SMALL CRAFT ADVISORY FOR THE GULF WATERS AND A SMALL CRAFT  
EXERCISE CAUTION FOR THE LAGUNA MADRE. WINDS AND SEAS ARE EXPECTED  
TO BECOME MORE FAVORABLE TOMORROW, HOWEVER A STRAY SHOWER OR  
THUNDERSTORM IS STILL POSSIBLE.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
BROWNSVILLE 80 96 80 96 / 10 10 0 10  
HARLINGEN 77 98 76 98 / 20 10 0 10  
MCALLEN 80 101 79 102 / 20 10 0 10  
RIO GRANDE CITY 78 103 77 103 / 30 10 0 0  
SOUTH PADRE ISLAND 82 89 82 89 / 10 10 0 10  
BAYVIEW/PORT ISABEL 79 94 79 93 / 10 10 0 10  
 
 
   
BRO WATCHES/WARNINGS/ADVISORIES  
 
TX...FLOOD WATCH UNTIL 6 PM CDT THIS EVENING FOR TXZ253-255-355-455.  
 
GM...SMALL CRAFT ADVISORY UNTIL 7 AM CDT SATURDAY FOR GMZ150-155-170-  
175.  
 
 
 
 
 
SHORT TERM...64-KATZ  
LONG TERM....64-KATZ  
AVIATION...64-KATZ  
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