923  
FXUS64 KHGX 281912  
AFDHGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
212 PM CDT WED MAY 28 2025  
   
..NEW SHORT TERM, LONG TERM
 
 
   
SHORT TERM
 
 
(THIS EVENING THROUGH THURSDAY NIGHT)  
ISSUED AT 212 PM CDT WED MAY 28 2025  
 
THE MAJORITY OF THE SHOWERS AND THUNDERSTORMS HAS MOVED EAST OUT OF  
THE AREA. SHOWERS ARE ONGOING ACROSS THE COAST AND EASTERN COUNTIES,  
WITH A FEW SHOWERS AND THUNDERSTORMS OCCURRING ACROSS PORTIONS OF  
BRAZOS VALLEY. SE TEXAS REMAINS SHROUDED BENEATH AN EXPANSIVE CLOUD  
DECK THAT HAS BEEN SLOWLY CLEARING FROM WEST TO EAST.  
 
AS FAR AS TONIGHT IS CONCERNED. MODELS HAVE BACKED OFF ON ANOTHER  
ROUND OF SHOWERS AND THUNDERSTORMS FOR THIS EVENING/TONIGHT. I'VE  
LEFT POPS (15-30%) IN FOR TONIGHT TO ACCOUNT FOR THE POTENTIAL THAT  
SOME DESTABILIZATION COULD TAKE PLACE IN ANY LOCATIONS THAT ARE ABLE  
TO CLEAR OUT WITH REGARD TO CLOUD COVER. ANOTHER MID-LEVEL  
DISTURBANCE IS SET TO MOVE THROUGH NORTH/CENTRAL TEXAS DURING THE  
AFTERNOON HOURS AND 500MB LEVELS CONTINUE TO SHOW VORT MAXES WORKING  
THROUGH AT THE SAME TIME. ANY OUTFLOW BOUNDARIES FROM NEARBY  
THUNDERSTORMS COULD BE ENOUGH TO HELP TRIGGER ADDITIONAL ACTIVITY.  
 
WE REMAIN IN A MARGINAL RISK FOR SEVERE THUNDERSTORMS TODAY INTO  
TONIGHT, AS WELL AS IN A SLIGHT RISK FOR EXCESSIVE RAINFALL.  
TONIGHT'S STORMS DO STILL HAVE THE POTENTIAL TO BECOME STRONG TO  
SEVERE IN NATURE (AGAIN, HEAVILY DEPENDS ON HOW MUCH THE ENVIRONMENT  
CAN RECOVER FROM THIS MORNING/AFERNOON'S THUNDERSTORMS). LARGE HAIL  
AND DAMAGING WINDS WILL BE THE MAIN THREAT...AND GIVEN HOW MUCH  
RAINFALL HAS BEEN RECEIVED TODAY, IT WOULD NOT TAKE MUCH ADDITIONAL  
RAINFALL TO TRIGGER ISOLATED TO SCATTERED INSTANCES OF FLOODING.  
 
THE ACTIVE PATTERN WILL CONTINUE INTO THURSDAY AS ANOTHER WEAK  
BOUNDARY MOVES OVER THE AREA. DURING THE MORNING HOURS EXPECT  
ISOLATED TO SCATTERED DEVELOPMENT. AS DIURNAL HEATING TAKES PLACE,  
STORMS ARE ANTICIPATED TO INCREASE IN COVERAGE AND INTENSITY. THESE  
STORMS WILL HAVE THE CAPABILITY OF PRODUCING LARGE HAIL AND DAMAGING  
WINDS (MARGINAL RISK FOR SEVERE WEATHER FROM SPC).  
 
THE CAVEAT WOULD BE THE MID-LEVEL RIDGE THAT IS DEVELOPING OVER THE  
WESTERN GULF ON THURSDAY. DEPENDING ON ITS POSITIONING, RAINFALL MAY  
BECOME INHIBITED. RAIN CHANCES WILL WANE DURING THE LATE EVENING  
INTO EARLY NIGHTTIME HOURS.  
 
ADAMS  
 

 
   
LONG TERM
 
 
(FRIDAY THROUGH NEXT TUESDAY)  
ISSUED AT 212 PM CDT WED MAY 28 2025  
 
GOING INTO FRIDAY, A MID TO UPPER LEVEL TROUGH MOVING DOWN THE UPPER  
MISSISSIPPI RIVER VALLEY WILL HELP PUSH A WEAK COLD FRONT DOWN INTO  
SOUTHEAST TEXAS...BUT THIS FRONT STILL LOOKS TO STALL NEAR THE  
COASTLINE. WITH PW VALUES IN THE 1.8-2.1" RANGE (90TH PERCENTILE:  
~1.84") ALONG WITH EMBEDDED SHORTWAVES IN THE NORTHWESTERLY FLOW  
ALOFT, WE'LL DEFINITELY HAVE A FAVORABLE SETUP FOR SHOWERS/STORMS  
TO DEVELOP ALONG AND AHEAD OF THE FRONTAL BOUNDARY. ELEVATED PW  
VALUES AND THE FRONTAL BOUNDARY WILL LINGER INTO AT LEAST SATURDAY  
(BUT POSSIBLY INTO EARLY SUNDAY AS WELL), SO ISOLATED RAIN  
CHANCES WILL PERSIST OVER THE WEEKEND MAINLY OFFSHORE AND RIGHT  
ALONG THE COAST. A SHORTWAVE TROUGH PUSHING THROUGH ON SUNDAY  
BRINGS THOSE RAIN CHANCES FURTHER INLAND. RIDGING ALOFT BUILDS IN  
GOING INTO EARLY NEXT WEEK LEADING TO AN INCREASING TEMPERATURE  
TREND. PW VALUES REMAIN IN THE 1.8-2.1" RANGE, SO THERE'S STILL  
SOME POTENTIAL FOR US TO SQUEEZE OUT SOME ISOLATED SHOWERS/STORMS  
DURING THE AFTERNOON ALONG THE SEA BREEZE...YA KNOW THE TYPICAL  
SUMMER PATTERN.  
 
SPEAKING OF SUMMER, TEMPERATURES FRIDAY AND SATURDAY WILL TOP OUT IN  
THE 80S...THEN WITH THE RIDGE BUILDING IN WE TAKE IT INTO THE 90S  
SUNDAY AND ONWARD. OVERNIGHT TEMPERATURES WILL SEE A SIMILAR CLIMB  
AS WE START OUT IN THE MID 60S TO LOW 70S GOING INTO THE WEEKEND,  
THEN EARLY NEXT WEEK WE'RE SOLIDLY IN THE MID TO UPPER 70S. THIS  
MEANS WE COULD APPROACH RECORD HIGH MINIMUM TEMPERATURES ONCE AGAIN.  
 
BATISTE  
 

 
   
AVIATION
 
 
(18Z TAF ISSUANCE)  
ISSUED AT 1239 PM CDT WED MAY 28 2025  
 
SHOWERS AND SCATTERED EMBEDDED THUNDERSTORMS CONTINUE TO PUSH OFF  
TO THE EAST, WITH SOME ADDITIONAL DEVELOPMENT PUSHING NORTH OF CLL  
AND UTS. CONDITIONS ARE EXPECTED TO IMPROVE THROUGH THE AFTERNOON.  
NORTHERN TERMINALS MAY SEE SOME LIGHT PATCHY FOG LATE TONIGHT AND  
OVERNIGHT INTO EARLY TOMORROW MORNING. THERE IS ALSO A SLIGHT  
CHANCE FOR SOME ISOLATED SHOWERS/THUNDERSTORMS TO MOVE INTO THE  
CLL AREA FROM THE NORTHWEST OVERNIGHT INTO TOMORROW MORNING. MVFR  
CEILINGS ARE EXPECTED AREA-WIDE BY SUNRISE TOMORROW, WITH SLOW,  
GRADUAL IMPROVEMENT THROUGH THE MORNING HOURS INTO THE AFTERNOON.  
 

 
   
MARINE
 
 
ISSUED AT 134 PM CDT WED MAY 28 2025  
 
A DAILY RISK OF SHOWERS AND THUNDERSTORMS REMAINS IN THE FORECAST  
THROUGH EARLY NEXT WEEK. HOWEVER, THE RAIN CHANCES ARE EXPECTED TO  
DECLINE AS WE HEAD INTO THE WEEKEND. THAT BEING SAID, LOCALLY  
HEAVIER AND STRONGER THUNDERSTORMS CAPABLE OF STRONG GUSTY WINDS  
AND LOCALLY HIGH SEAS REMAIN A CONCERN THROUGH THE END OF THE  
WEEK. NON-THUNDERSTORM RELATED WINDS ARE EXPECTED TO AVERAGE LIGHT  
TO MODERATE AND OUT OF THE SOUTH AND SOUTHEAST THROUGH FRIDAY. A  
PERIOD OF EAST TO NORTHEAST WINDS IS EXPECTED ON SATURDAY, BEFORE  
WINDS RESUME TO A SOUTHEASTERLY DIRECTION BY EARLY NEXT WEEK.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
COLLEGE STATION (CLL) 69 87 72 83 / 30 30 20 10  
HOUSTON (IAH) 72 87 75 87 / 30 50 10 30  
GALVESTON (GLS) 77 84 79 87 / 30 40 10 40  
 

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

 
 

 
 
SHORT TERM...ADAMS  
LONG TERM....BATISTE  
AVIATION...MCNEEL  
MARINE...SELF  
 
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