483  
FXUS64 KCRP 140508  
AFDCRP  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX  
1208 AM CDT MON SEP 14 2026  
   
..NEW DISCUSSION, AVIATION, MARINE, FIRE WEATHER  
 
   
KEY MESSAGES  
 
ISSUED AT 1201 AM CDT MON SEP 14 2026  
 
- MAJOR TO EXTREME RISK OF HEAT-RELATED IMPACTS ACROSS A LARGE  
PORTION OF SOUTH TEXAS TODAY THROUGH THE MIDDLE OF WEEK, THEN  
LOWERING TO A MODERATE TO MAJOR RISK THE LATTER HALF OF THE  
WEEK.  
 
- HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM TODAY.  
 
- LOW RAIN CHANCES TODAY THROUGH EARLY NEXT WEEK, THEN INCREASING  
TO A MEDIUM TO HIGH CHANCE THE LATTER HALF OF THE WEEK.  
 
- ELEVATED FIRE WEATHER CONDITIONS REMAIN POSSIBLE THROUGH MID  
WEEK, MAINLY ACROSS THE INLAND COASTAL PLAINS, BRUSH COUNTRY AND  
RIO GRANDE PLAINS.  
 
 
   
DISCUSSION  
 
ISSUED AT 1201 AM CDT MON SEP 14 2026  
 
ANOTHER HEAT ADVISORY IN EFFECT FOR TODAY. HEAT INDICES UP TO 114  
ARE FORECAST ACROSS MANY LOCATIONS THIS AFTERNOON. THUS, A HEAT  
ADVISORY HAS BEEN ISSUED FROM NOON TO 7 PM FOR MOST OF S TX. MAJOR  
TO EXTREME RISK OF HEAT RELATED IMPACTS WILL CONTINUE THROUGH THE  
MIDDLE OF THE WEEK AND HEAT ADVISORIES MAY BE NEEDED AT TIMES. BY  
THE LATTER HALF OF THE WEEK, MODELS SHOW SLIGHTLY COOLER MAX TEMPS  
DUE TO INCREASED RAIN CHANCES, BUT STILL RUNNING ABOVE NORMAL.  
 
SLIGHTLY DRIER CONDITIONS IN THE MID LEVELS AND PWATS GENERALLY LESS  
THAN 2 INCHES TODAY WILL KEEP RAIN CHANCES LOW TO VERY LOW ACROSS  
MOST OF S TX, EXCEPT FOR THE VICTORIA CROSSROADS AND NORTHERN  
COASTAL WATERS WHERE SLIGHTLY DEEPER MOISTURE WILL BRING A 20-50  
PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. CAN NOT RULE OUT A  
ROGUE SHOWER OR THUNDERSTORM OR TWO ALONG THE AFTERNOON SEA BREEZE  
ACROSS THE BRUSH COUNTRY AS THIS HAS BEEN OCCURRING ALMOST DAILY.  
MODELS INDICATE THAT PWATS ARE EVEN LOWER ON TUESDAY ACROSS ALL OF S  
TX WHICH WILL RESULT IN VIRTUALLY LITTLE TO NO RAIN CHANCES. MODELS  
HAVE BEEN CONSISTENT WITH A SURGE OF DEEPER MOISTURE ADVECTING BACK  
ACROSS S TX WEDNESDAY WITH INCREASING RAIN CHANCES THROUGH THURSDAY.  
PWATS ARE PROGGED TO INCREASE TO AS MUCH AS 2.4 INCHES, WHICH WILL  
BE CONDUCIVE FOR LOCALLY HEAVY RAIN CREATING LOCALIZED FLOODING  
PROBLEMS, ESPECIALLY IF THE STORMS ARE SLOW MOVING. HIGHEST RAIN  
CHANCES THURSDAY ARE EXPECTED ACROSS THE EASTERN HALF OF S TX WITH  
POPS FROM 35-60% AND <35% CLOSER TO THE RIO GRANDE.  
 
RAIN CHANCES FOR FRIDAY AND INTO THE WEEKEND ARE STILL NOT CLEAR CUT  
DUE TO DIFFERENCES IN THE MODEL OUTPUTS. THE GFS CONTINUES TO  
INDICATE DRIER AIR MOVING INTO S TX AS THE CENTER OF THE HIGH MOVES  
DIRECTLY OVER S TX, WHILE THE CANADIAN AND ECMWF SHOW THE CENTER OF  
THE HIGH SHIFTING FARTHER WEST, WHICH WILL ALLOW FOR DEEPER MOISTURE  
TO REMAIN OVER S TX. FOR NOW, THE LOW TO MEDIUM CHANCE ACROSS ALL OF  
S TX ON FRIDAY LOOKS REASONABLE. LOW RAIN CHANCES CONTINUE ACROSS  
THE COASTAL PLAINS THROUGH THE WEEKEND INTO EARLY NEXT WEEK.  
 
ONE OTHER CONCERN TO BE MONITORED LATER IN THE WEEK WILL BE SLIGHTLY  
HIGHER THAN NORMAL TIDES AND/OR AN INCREASED RIP CURRENT RISK.  
MODELS SHOW A LONG EASTERLY FETCH DEVELOPING ACROSS THE NORTHERN  
GULF WATERS BY MID WEEK WHICH MAY HELP PUSH WATER FARTHER UP THE  
BEACHES. AT THIS TIME, MINOR COASTAL FLOODING IS NOT ANTICIPATED BUT  
WILL CONTINUE TO BE MONITORED.  
 
 
   
AVIATION  
 
(06Z TAFS)  
ISSUED AT 1201 AM CDT MON SEP 14 2026  
 
VFR CONDITIONS PREVAIL ACROSS SOUTH TEXAS EARLY THIS MORNING.  
LOW-LEVEL MOISTURE WILL CONTINUE, LEADING TO PERIODS OF MVFR  
CEILINGS BETWEEN 09-15Z. WINDS WILL BE CALMER OVER THE VICTORIA  
CROSSROADS, HAVE MAINTAINED THE MVFR VSBY MENTION OVER VCT FROM  
09-13Z. SOUTHEASTERLY WINDS WILL STRENGTHEN BY THIS AFTERNOON,  
BECOMING SUSTAINED 15-20 KNOTS WITH GUSTS BETWEEN 25-30 KNOTS.  
WE'LL HAVE A VERY LOW CHANCE FOR SHOWERS AND STORMS BUT CONFIDENCE  
IS TOO LOW TO INCLUDE ANY MENTION AT ANY TERMINAL AT THIS TIME,  
MOST FAVORABLE CONDITIONS WILL BE OVER THE VICTORIA CROSSROADS  
DURING THE MORNING HOURS.  
 
 
   
MARINE  
 
ISSUED AT 1201 AM CDT MON SEP 14 2026  
 
A FRESH (BF 5) BREEZE IS EXPECTED SOUTH OF PORT ARANSAS ACROSS  
CORPUS CHRISTI AND BAFFIN BAYS AND OUT TO 20 NAUTICAL MILES ONCE  
AGAIN THIS AFTERNOON. SMALL CRAFT SHOULD EXERCISE CAUTION IN THE  
BAYS AND NEARSHORE WATERS SOUTH OF PORT ARANSAS THROUGH THIS  
EVENING. OTHERWISE, A GENTLE TO MODERATE (BF 3-4) ONSHORE FLOW IS  
EXPECTED THROUGH THE UPCOMING WEEK. LOW TO MEDIUM RAIN CHANCES CAN  
BE EXPECTED TODAY GENERALLY NORTH OF ROCKPORT AND OUT 60 NAUTICAL  
MILES. RAIN CHANCES INCREASE TO MEDIUM TO HIGH WEDNESDAY THROUGH  
FRIDAY ACROSS THE MIDDLE TEXAS COASTAL WATERS. LOW TO MEDIUM RAIN  
CHANCES EXPECTED NEXT WEEKEND.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 1201 AM CDT MON SEP 14 2026  
 
MINIMUM RELATIVE HUMIDITY IS EXPECTED TO BE AROUND 30% THIS  
AFTERNOON ACROSS THE BRUSH COUNTRY. WINDS ARE EXPECTED TO INCREASE  
THIS EVENING AS RH VALUES RISE. THUS, FIRE WEATHER CONCERNS ARE NOT  
ANTICIPATED TODAY. LOWER RH VALUES TUESDAY WILL LEAD TO HIGHER  
ELEVATED FIRE WEATHER CONCERNS FOR THE BRUSH COUNTRY. THE ERC IS AT  
THE 75-90% PERCENTILE, AND ELEVATED FIRE WEATHER CONDITIONS WILL BE  
POSSIBLE AT TIMES THROUGH THE PERIOD. THE CHANCE OF WETTING RAINS  
WILL BE LOW TO VERY LOW TODAY AND TUESDAY, THEN INCREASING RAIN  
CHANCES EXPECTED BEGINNING WEDNESDAY WITH THE HIGHEST CHANCE  
EXPECTED THURSDAY.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
CORPUS CHRISTI 96 79 97 79 / 10 0 0 10  
VICTORIA 99 77 101 76 / 40 10 0 0  
LAREDO 104 78 105 77 / 0 0 0 0  
ALICE 101 76 102 75 / 0 0 0 0  
ROCKPORT 93 82 94 81 / 20 0 0 10  
COTULLA 103 77 104 75 / 0 0 0 0  
KINGSVILLE 99 77 100 76 / 0 0 0 0  
NAVY CORPUS 91 83 91 82 / 10 0 0 10  
 
 
   
CRP WATCHES/WARNINGS/ADVISORIES  
 
TX...HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR  
TXZ230>234-240>247-342>344-346-347.  
 
GM...NONE.  
 
 
 
 
DISCUSSION...TE/81  
AVIATION...EMF/94  
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