513  
FXUS64 KBRO 111119 AAA  
AFDBRO  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
619 AM CDT WED MAR 11 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 618 AM CDT WED MAR 11 2026  
 
KEY MESSAGES:  
 
* FIRE DANGER STATEMENT (RFD) HAS BEEN ISSUED FOR ALL OF DEEP  
SOUTH TEXAS WITH THE EXCEPTION OF THE BARRIER ISLANDS ON  
WEDNESDAY FROM NOON TO 7 PM CDT.  
 
* FIRE WEATHER CONCERNS ARE EXPECTED TO CONTINUE THROUGH EARLY  
NEXT WEEK.  
 
* RECORD TO NEAR RECORD-BREAKING HIGH TEMPERATURES ARE POSSIBLE ON  
WEDNESDAY AND AGAIN ON SUNDAY.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1110 PM CDT TUE MAR 10 2026  
 
THE PASSAGE OF A COLD FRONT TONIGHT INTO WEDNESDAY MORNING WILL  
BRING DRIER AIR TO THE REGION. WHILE WINDS ARE FORECAST TO SHIFT  
WESTERLY TO NORTHWESTERLY WEDNESDAY MORNING IN THE WAKE OF THE  
FRONT, THE COMBINATION OF COMPRESSIONAL HEATING FROM AIR  
DESCENDING OFF THE SIERRA MADRE, INCREASED SUNSHINE, AND THE LOWER  
SPECIFIC HEAT OF THE DRY AIR WILL LIKELY RESULT IN AFTERNOON  
TEMPERATURES SLIGHTLY WARMER THAN THEY WERE TUESDAY. HIGH  
TEMPERATURES WILL LIKELY PEAK IN THE MID TO UPPER 90S.  
 
A SECOND, STRONGER COLD FRONT WILL LIKELY MOVE THROUGH THE AREA  
WEDNESDAY NIGHT, RESULTING IN STRONGER NORTHERLY WINDS AND  
SLIGHTLY COOLER TEMPERATURES THURSDAY, WITH HIGHS IN THE MID TO  
UPPER 70S. WINDS WILL LIKELY SHIFT BACK TO THE SOUTHEAST FRIDAY,  
ALLOWING TEMPERATURES TO CLIMB BACK INTO THE 90S THIS WEEKEND.  
 
ANOTHER COLD FRONT SUNDAY NIGHT INTO MONDAY MORNING WILL LIKELY  
BRING MORE SEASONABLE TEMPERATURES TO BEGIN THE NEW WORK WEEK.  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 618 AM CDT WED MAR 11 2026  
 
VFR WILL PREVAIL AT THE AERODROMES THROUGH THE NEXT 24 HOURS.  
VEERING WINDS ARE ANTICIPATED DUE TO THE APPROACH AND PASSAGE OF A  
COLD FRONT.  
 

 
   
MARINE
 
 
ISSUED AT 1110 PM CDT TUE MAR 10 2026  
 
HAZARDOUS MARINE CONDITIONS WILL CONTINUE TONIGHT WITH CONDITIONS  
IMPROVING WEDNESDAY MORNING. WHILE FAVORABLE CONDITIONS WILL BE  
LIKELY THROUGH THE DAY WEDNESDAY, ANOTHER COLD FRONT WEDNESDAY  
NIGHT WILL LIKELY BRING STRONG NORTHERLY WINDS THURSDAY MORNING,  
WHICH WILL LIKELY REQUIRE ANOTHER SMALL CRAFT ADVISORY FOR THE  
LAGUNA MADRE AND GULF WATERS.  
 
CONDITIONS WILL LIKELY IMPROVE AGAIN BY THURSDAY EVENING, WITH  
GENERALLY FAVORABLE CONDITIONS CONTINUING THROUGH THE WEEKEND.  
ANOTHER COLD FRONT MONDAY MAY BRING AN ADDITIONAL ROUND OF ADVERSE  
TO HAZARDOUS CONDITIONS EARLY NEXT WEEK.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 95 62 74 53 / 10 0 0 0  
HARLINGEN 96 56 76 49 / 10 0 0 0  
MCALLEN 97 61 79 53 / 0 0 0 0  
RIO GRANDE CITY 95 58 78 48 / 0 0 0 0  
SOUTH PADRE ISLAND 85 63 70 61 / 10 0 0 0  
BAYVIEW/PORT ISABEL 93 61 72 54 / 10 0 0 0  
 

 
   
BRO WATCHES/WARNINGS/ADVISORIES
 
 
TX...HIGH RIP CURRENT RISK FROM THIS EVENING THROUGH THURSDAY EVENING  
FOR TXZ451-454-455.  
 
GM...SMALL CRAFT ADVISORY UNTIL 7 AM CDT THIS MORNING FOR GMZ170-175.  
 

 
 

 
 
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