589  
FXUS64 KHGX 110422  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1122 PM CDT SUN AUG 10 2025  
   
..NEW KEY MESSAGES, DISCUSSION, MARINE
 
 
   
KEY MESSAGES
 
 
ISSUED AT 1122 PM CDT SUN AUG 10 2025  
 
- DAILY CHANCES FOR ISOLATED TO SCATTERED SHOWERS AND STORMS  
CONTINUES THROUGHOUT THE FORECAST PERIOD WITH THE HIGHEST CHANCES  
ALONG AND SOUTH OF I-10.  
 
- HIGH TEMPERATURES MAINLY IN THE LOW TO MID 90S THROUGHOUT THE WEEK  
WITH HEAT INDICES PEAKING IN THE 102-106°F RANGE.  
 
- INCREASING TEMPERATURE TREND POSSIBLE HEADING INTO THE WEEKEND.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1122 PM CDT SUN AUG 10 2025  
 
WAIT THE FORECAST IS HOT AND HUMID WITH DAILY CHANCES OF SHOWERS AND  
STORMS?! ALWAYS HAS BEEN...AND THAT'LL CONTINUE THROUGHOUT THE WEEK  
AS WE REMAIN IN A GENERAL TROUGH-Y PATTERN EVEN AFTER THE  
DEPARTURE OF THE UPPER LEVEL DISTURBANCE CURRENTLY OVERHEAD AFTER  
MONDAY. THAT ALONG WITH FLUCTUATIONS OF MOISTURE FROM THE GULF  
WILL KEEP RAIN CHANCES IN THE FORECAST THROUGHOUT THE WEEK. RAIN  
CHANCES WILL REMAIN THE HIGHEST NEAR AND SOUTH OF I-10, AND THE  
STRONGEST STORMS WILL BE CAPABLE OF PRODUCING GUSTY WINDS AND  
LOCALLY HEAVY RAINFALL. THIS WILL ALLOW FOR DAYTIME TEMPERATURES  
TO TOP OUT MAINLY IN THE LOW TO MID 90S FOR MOST OF THE  
WEEK...HEAT INDICES WILL STILL BE IN THE TRIPLE DIGITS THOUGH.  
AROUND MIDWEEK, MID TO UPPER LEVEL HIGH PRESSURE BEGINS TO BUILD  
IN THE SOUTHEASTERN CONUS. MOISTURE WRAPPING AROUND ITS WESTERN  
PERIPHERY WILL PUSH INTO SOUTHEAST TX LEADING TO GREATER MOISTURE  
AVAILABILITY FOR THE SEA BREEZE TO TAP INTO. THIS MEANS WE WILL  
LIKELY SEE GREATER COVERAGE IN SHOWERS/STORMS DURING THE AFTERNOON  
HOURS IN THE MIDDLE TO LATER PARTS OF THE WORK WEEK. KEEP IN MIND  
THOUGH THAT NOT EVERYONE WILL SEE RAIN, BUT IF YOU DO YOU'LL GET  
A BRIEF REPRIEVE FROM THE HEAT.  
 
THAT MID TO UPPER LEVEL HIGH STILL LOOKS TO GRADUALLY EXPAND  
WESTWARD ALONG THE GULF COAST GOING INTO THE WEEKEND LEADING TO  
INCREASING TEMPERATURES AND DECREASING CHANCES FOR SHOWERS AND  
STORMS. IT STILL REMAINS TO BE SEEN ON HOW MUCH MOISTURE STICKS  
AROUND INTO THE WEEKEND, BUT THE INCREASED SUBSIDENCE SHOULD AT  
LEAST LIMIT THE COVERAGE OF CONVECTIVE DEVELOPMENT. PROBABILITIES  
FOR HIGH TEMPERATURES GREATER THAN 95°F INCREASE TO 50+% FOR MOST OF  
SOUTHEAST TEXAS (EXCEPT COASTAL AREAS) OVER THE WEEKEND...SO TAKE  
THAT FOR WHAT YOU MAY.  
 
BATISTE  
 

 
   
AVIATION
 
 
(00Z TAF ISSUANCE)  
ISSUED AT 621 PM CDT SUN AUG 10 2025  
 
SCATTERED SHRA/TSRA ACTIVITY TO DIMINISH THIS EVENING. MOSTLY VFR  
WITH PATCHY IFR/MVFR POSSIBLE OVERNIGHT. SHRA/TSRA REDEVELOPS NEAR  
THE COAST DURING THE MORNING HOURS BEFORE PUSHING INLAND. GENERAL  
DISTRIBUTION ON COVERAGE OF SHRA/TSRA EXPECTED TO BE SIMILAR  
TOMORROW AS IT WAS TODAY. ANY TSRA CAN PRODUCE LOCALLY GUSTY WINDS  
AS WELL AS FLIGHT CONDITIONS DOWN TO IFR. BEST CHANCE OF TSRA  
SOUTH OF I-10. HOWEVER, WE CANNOT RULE OUT STORMS FARTHER NORTH.  
 

 
   
MARINE
 
 
ISSUED AT 1122 PM CDT SUN AUG 10 2025  
 
LIGHT TO OCCASIONALLY MODERATE (WITH THE AFTERNOON SEABREEZE)  
ONSHORE FLOW AND LOW SEAS WILL PERSIST THROUGHOUT THE WEEK. DAILY  
CHANCES FOR ISOLATED TO SCATTERED SHOWERS AND STORMS CONTINUE WITH  
ACTIVITY INITIATING OVER THE GULF WATERS DURING THE OVERNIGHT TO  
EARLY MORNING HOURS, THEN MOVING INLAND IN THE LATE  
MORNING/AFTERNOON HOURS. WINDS AND SEAS COULD BE LOCALLY HIGHER IN  
AND AROUND ANY OF THE STRONGER STORMS. TOWARDS THE END OF THE WORK  
WEEK, ONSHORE FLOW BECOMES CONSISTENTLY IN THE MODERATE RANGE  
LEADING TO WAVE HEIGHTS IN THE GULF INCREASING TO 3-4 FT.  
 
BATISTE  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
COLLEGE STATION (CLL) 96 75 95 75 / 30 10 20 10  
HOUSTON (IAH) 92 78 94 78 / 30 30 50 10  
GALVESTON (GLS) 91 81 90 81 / 70 50 60 20  
 

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

 
 

 
 
DISCUSSION...BATISTE  
AVIATION...SELF  
MARINE...BATISTE  
 
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