201  
FXUS64 KHGX 102323  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
623 PM CDT SUN AUG 10 2025  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
ISSUED AT 1208 PM CDT SUN AUG 10 2025  
 
- MOSTLY TYPICAL SUMMERTIME WEATHER IS EXPECTED THIS WEEK WITH  
HOT/HUMID CONDITIONS AND ISOLATED TO SCATTERED SHOWERS AND  
THUNDERSTORMS EACH DAY.  
 
- RAIN CHANCES WILL VARY ON A DAY-TO-DAY BASIS DEPENDING ON  
MOISTURE LEVEL FLUCTUATIONS, BUT MODEL GUIDANCE IS CURRENTLY  
SUGGESTING THAT WE MIGHT SEE THAT FRIDAY HAS THE BEST OVERALL  
PRECIP CHANCES/COVERAGE.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1207 PM CDT SUN AUG 10 2025  
 
WATER VAPOR IMAGERY SHOWS THE INVERTED MID-UPPER HAS MADE IT TO THE  
TX COAST. ITS AXIS SHOULD VERY SLOWLY DRIFT WESTWARD THE NEXT FEW  
DAYS AND LEAVE A GENERAL WEAKNESS ACROSS THE REGION (SANDWICHED  
BETWEEN RIDGES TO THE WEST/EAST) INTO MID-LATE WEEK. PW'S AREN'T  
FCST TO BE VERY HIGH, JUST IN THE 1.6-2.1" RANGE INTO TUESDAY...BUT  
STILL ENOUGH TO GET SOME TYPICAL DIURNALLY DRIVEN ISOLATED TO  
SCATTERED SHOWERS AND THUNDERSTORMS TO EMERGE.  
 
WED-FRI, WE SHOULD SEE DEEPER GULF MOISTURE, CURRENTLY SITUATED IN  
THE EASTERN GULF AND CARIBBEAN (2.0-2.5") MAKES ITS WAY TOWARD AND  
INTO THE AREA WHICH SHOULD ALLOW FOR SLIGHTLY HIGHER AREAL COVERAGE  
THAN WHAT WE SEE IN THE FIRST HALF OF THE WORK WEEK. HIGHEST SURGE  
LOOKS TO ARRIVE AROUND FRIDAY.  
 
HEADING INTO THE WEEKEND, RIDGING WILL BUILD WESTWARD ACROSS THE  
NORTHERN GULF AND INTO THE AREA. WITH RISING HEIGHTS, MORE  
SUBSIDENCE AND LOWER MOISTURE AVAILABILITY...RAIN CHANCES SHOULD  
TREND DOWNWARD AND TEMPERATURES UPWARD. 47  
 

 
   
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 1207 PM CDT SUN AUG 10 2025  
 
WITH THE EXCEPTION OF THE AFTERNOON-EVENING SEABREEZE WHEN WE'LL SEE  
WINDS IN THE 10-15KT RANGE, LIGHT WINDS AND LOW SEAS LOOK TO  
CONTINUE INTO MIDWEEK. A MORE PREVAILING SSE WIND 8-15KT SHOULD SET  
UP DURING THE SECOND PART OF THE WEEK ALLOWING FOR SOME SLIGHTLY  
HIGHER SEAS IN THE 3-4FT RANGE TAKE SHAPE. MARINERS SHOULD  
ANTICIPATE SCATTERED SHOWERS AND THUNDERSTORMS EACH DAY - WITH THE  
HIGHEST CHANCES GENERALLY IN THE LATE NIGHT THROUGH EARLY  
AFTERNOON HOURS. 47  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
COLLEGE STATION (CLL) 74 94 74 95 / 30 20 10 30  
HOUSTON (IAH) 77 95 78 98 / 20 40 20 40  
GALVESTON (GLS) 81 90 82 91 / 50 50 20 40  
 

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

 
 

 
 
DISCUSSION...47  
AVIATION...SELF  
MARINE...47  
 
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