114  
FXUS64 KBRO 121140 AAB  
AFDBRO  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
640 AM CDT TUE AUG 12 2025  
   
..NEW AVIATION
 
 
   
DISCUSSION
 
 
ISSUED AT 1016 PM CDT MON AUG 11 2025  
 
SEASONABLY HOT TEMPERATURES ARE EXPECTED TO CONTINUE THROUGH THE  
WEEK, WITH HEAT INDICES LARGELY REMAINING BELOW HEAT ADVISORY  
CRITERIA. DAILY LOW (20-30%) RAIN CHANCES WILL CONTINUE THE WORK  
WEEK, WITH ISOLATED SEA BREEZE CONVECTION POSSIBLE EACH AFTERNOON.  
 
THROUGH THE WEEK, THE UPPER LEVEL RIDGES OVER THE SOUTHEAST AND  
SOUTHWEST WILL LIKELY STRENGTHEN AND SHIFT TOWARDS TEXAS. THIS  
PATTERN WILL GRADUALLY BRING MORE SUBSIDENCE ALOFT BY THE WEEKEND,  
LIKELY LIMITING RAIN CHANCES. HOWEVER, MODELS CONTINUE TO SHOW A  
WEAK UPPER LEVEL DISTURBANCE DEVELOPING ALONG THE LOWER TEXAS  
COAST THURSDAY INTO FRIDAY, WHICH COULD INCREASE RAIN CHANCES  
FRIDAY.  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 620 AM CDT TUE AUG 12 2025  
 
VFR CONDITIONS AND SOUTH-SOUTHEASTERLY WINDS TO PREVAIL OVER THE  
CYCLE. THERE IS A CHANCE FOR ISOLATED SHOWERS AND THUNDERSTORMS  
TUESDAY AFTERNOON ALONG THE SEA BREEZE, BUT TIMING AND LOCATION  
ARE NOT CONFIDENT ENOUGH TO NOTE IN TAFS. IF SHOWERS PASS OVER AN  
AIRFIELD, TEMPORARY MVFR OR IFR CONDITIONS ARE POSSIBLE.  
 

 
   
MARINE
 
 
ISSUED AT 1016 PM CDT MON AUG 11 2025  
 
GENERALLY FAVORABLE MARINE CONDITIONS ARE EXPECTED TO CONTINUE  
THROUGH THE PERIOD. THE DAILY LOW CHANCES FOR ISOLATED AFTERNOON  
SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH FRIDAY, WITH RAIN  
CHANCES DIMINISHING OVER THE WEEKEND. OTHERWISE, SLIGHT SEAS AND  
LIGHT TO MODERATE SOUTHEASTERLY WINDS ARE EXPECTED TO PREVAIL  
THROUGH THE FORECAST.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 97 80 97 80 / 10 0 20 10  
HARLINGEN 98 75 99 76 / 10 0 20 0  
MCALLEN 103 79 102 79 / 10 10 20 0  
RIO GRANDE CITY 103 77 103 78 / 10 10 10 0  
SOUTH PADRE ISLAND 89 81 89 82 / 10 10 10 10  
BAYVIEW/PORT ISABEL 93 78 94 78 / 10 0 20 0  
 

 
   
BRO WATCHES/WARNINGS/ADVISORIES
 
 
TX...NONE.  
GM...NONE.  

 
 

 
 
SHORT TERM...60-BE  
LONG TERM....60-BE  
AVIATION...69-HK  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page Main Text Page