080  
FXUS64 KHGX 161045  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
545 AM CDT SAT MAY 16 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
- UNEVENTFUL, MUGGY CONDITIONS WILL CONTINUE THROUGH THE WEEKEND  
WITH A LOW CHANCE OF ISOLATED SHOWERS AND THUNDERSTORMS.  
 
- CONFIDENCE CONTINUES TO INCREASE ON WETTER, MORE IMPACTFUL  
WEATHER ACROSS SOUTHEAST TEXAS WITH 2 TO 4 INCHES OF RAINFALL  
MORE LIKELY IN THE NEXT 7 DAYS.  
 
- CONTINUED INTENSITY OF ONSHORE WINDS WILL DELIVER IMPACTS TO ALL  
GULF-FACING BEACHFRONTS THROUGH THE WEEKEND, INCLUDING  
INCREASING THREATS FOR COASTAL FLOODING AND RIP CURRENTS.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1238 AM CDT SAT MAY 16 2026  
 
SOUTHERLY WINDS HAVE STARTED TO RETURN IN EARNEST ACROSS  
SOUTHEAST TEXAS AS RIDGING BUILDS TO OUR EAST AT THE SURFACE AND  
ALOFT. SUBSEQUENT WARM AIR ADVECTION CONTINUES NEAR THE SURFACE  
WITH THE 70-DEGREE ISODROSOTHERM GRADUALLY CREEPING WITH MUGGY AIR  
NORTH OF I-10 THROUGH THE REST OF THE DAY. ACROSS THE  
INTERMOUNTAIN WEST, TROUGHING WILL CONTINUE ESTABLISHING ITSELF  
(BASE OF THE TROUGH AXIS NEAR THE FOUR CORNERS REGION) THROUGH THE  
WEEKEND WITH MULTIPLE ROUNDS OF EJECTIONS ACROSS THE GREAT PLAINS  
AS THE NEXT WORKWEEK BEGINS. WITH THIS SYNOPTIC SETUP, THE  
ATTENDANT FRONTAL BOUNDARY (THAT IS EXPECTED TO ONLY APPROACH AND  
NOT PASS THROUGH THE AREA) WILL SERVE AS THE FOCUSING/LIFTING  
MECHANISM BY NEXT TUESDAY AS SOUTHWESTERLY FLOW ALOFT REMAINS IN  
PLACE UNTIL THEN AND ADVECTS EMBEDDED VORTICITY MAXIMA (AND  
SCATTERED RAIN CHANCES) ACROSS THE AREA STARTING AS EARLY AS  
TOMORROW NIGHT. A DIURNALLY-DRIVEN CONVECTIVE PATTERN WILL BEGIN  
IN EARNEST BY MONDAY THROUGH TUESDAY, PRODUCING SOME WETTING  
RAINS, HOWEVER, MEAGER ATMOSPHERIC INGREDIENTS WILL INHIBIT MOST  
STORM INTENSITIES TO SUB-SEVERE LEVELS THROUGH THIS WEEK.  
 
BY WEDNESDAY, LONG-RANGE GUIDANCE SUGGESTS CONVECTION THAT BECOMES  
MORE SPATIOTEMPORALLY WIDESPREAD IN DISTRIBUTION AS THE FRONTAL  
BOUNDARY IS EXPECTED TO MAKE ITS CLOSEST APPROACH. WITHIN CURRENT  
DAYS 1-7 QPF TOTALS OF 2-4+ INCHES, THE BULK OF PRECIPITATION  
DISTRIBUTION APPEARS TO FALL TOWARDS THE MIDDLE OF THE WEEK AS A  
RESULT. TEMPERATURES WILL ALSO RESPOND IN KIND WITH MAXIMUMS AND  
MINIMUMS MODERATED NEAR TO BELOW NORMAL LATER NEXT WEEK  
(MID-80S/LOW-TO-MID 70S, RESPECTIVELY). RAINY CONDITIONS ARE  
EXPECTED TO CONTINUE THROUGH THE END OF THE NEXT WORKWEEK INTO  
NEXT WEEKEND AS THE FRONTAL BOUNDARY STAYS NEARBY.  
 
CASSEL  
 

 
   
AVIATION
 
 
(12Z TAF ISSUANCE)  
ISSUED AT 543 AM CDT SAT MAY 16 2026  
 
PRIMARY CONCERN TODAY WILL BE GUSTY SOUTHEAST WINDS. BY LATE  
MORNING AND AFTERNOON, WINDS COULD GUST UP TO AROUND 25 KNOTS.  
WINDS ARE EXPECTED TO DECREASE THIS EVENING. HOWEVER, THERE WILL  
ALSO BE AN INCREASING RISK OF MVFR CIGS AS WE HEAD INTO THE  
EVENING AND OVERNIGHT HOURS. AT THE COAST, WINDS ARE EXPECTED TO  
REMAIN ELEVATED INTO THE OVERNIGHT.  
 

 
   
MARINE
 
 
ISSUED AT 1238 AM CDT SAT MAY 16 2026  
 
AN EXTENDED PERIOD OF ONSHORE FETCH IS UNDERWAY ACROSS THE GULF  
DUE TO BUILDING HIGH PRESSURE TO OUR EAST PLACING AND ELONGATING  
SOUTHEASTERLY WINDS IN A MORE PERPENDICULAR ORIENTATION TO THE  
UPPER TEXAS SHORELINE. CONFIRMED BY P-ETSS GUIDANCE, THIS WILL  
INDUCE AND MAINTAIN MODERATE SEAS UP TO 5 FT. THROUGH THE WEEKEND  
WITH SMALL CRAFT ADVISORIES BECOMING MORE LIKELY FOR MARINERS IN  
ADDITION TO THE BEACH HAZARDS STATEMENT (IN EFFECT THROUGH MONDAY  
MORNING), WHERE SUBSEQUENTLY STRONG RIP CURRENTS ARE A PRIMARY  
CONCERN FOR ALL BEACHGOERS TO BE AWARE OF.  
 
CASSEL  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
COLLEGE STATION (CLL) 88 75 90 78 / 0 10 20 20  
HOUSTON (IAH) 88 77 89 79 / 0 20 20 10  
GALVESTON (GLS) 84 79 85 80 / 0 10 20 10  
 

 
   
HGX WATCHES/WARNINGS/ADVISORIES
 
 
TX...BEACH HAZARDS STATEMENT THROUGH MONDAY MORNING FOR TXZ436>439.  
 
GM...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THIS EVENING FOR  
GMZ330-335-350-355-370-375.  
 

 
 

 
 
DISCUSSION...CASSEL  
AVIATION...SELF  
MARINE...CASSEL  
 
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