417  
FXUS61 KILN 030549  
AFDILN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE WILMINGTON OH  
149 AM EDT FRI OCT 3 2025  
   
SYNOPSIS  
 
DRY AND UNSEASONABLY WARM CONDITIONS WILL CONTINUE INTO EARLY NEXT  
WEEK. THE APPROACH AND PASSAGE OF A FRONTAL BOUNDARY WILL OFFER RAIN  
CHANCES NEXT TUESDAY AND WEDNESDAY.  
 
 
   
NEAR TERM /THROUGH TODAY/  
 
MID LEVEL RIDGE TO CONTINUE TO TO DOMINATE THE WEATHER TODAY OFFERING  
DRY AND WARM CONDITIONS. SURFACE HIGH WILL SHIFT SLIGHTLY ALLOWING  
LIGHT LOW LEVEL FLOW TO BECOME MORE SOUTHEASTERLY THIS MORNING AND  
THEN SOUTHERLY BY AFTERNOON. THIS LIGHT FLOW MAY LEAD TO PATCHY  
RIVER VALLEY FOG WHICH WILL BURN OFF QUICKLY AFTER SUNRISE. THIN  
HIGH LEVEL CLOUDS DECREASE TODAY WITH ONLY A FEW TO SCATTERED FAIR  
WEATHER CUMULUS CLOUDS. HIGH TEMPERATURES WILL TOP OUT IN THE LOWER  
AND MIDDLE 80S.  
 
 
   
SHORT TERM /TONIGHT THROUGH 6 PM SATURDAY/  
 
ANOMALOUSLY STRONG UPPER RIDGE WILL PERSIST OVER THE AREA THIS  
WEEKEND. THIS WILL KEEP DRY AND VERY WARM CONDITIONS ACROSS THE  
REGION. LOWS TONIGHT WILL RANGE FROM THE LOWER 50S EAST TO NEAR 60  
WEST. HIGHS WILL REMAIN 10-14 DEGREES ABOVE NORMAL AND GENERALLY IN  
THE MID 80S SATURDAY WITH ONLY SCATTERED CUMULUS CLOUDS.  
 
 
   
LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/  
 
ON SATURDAY EVENING, A LARGE AREA OF SURFACE HIGH PRESSURE WILL BE  
CENTERED OFF THE VIRGINIA / NORTH CAROLINA COAST, THOUGH THE LARGE  
EXPANSE OF THE HIGH WILL EXTEND WELL TO THE WEST, CONTINUING TO  
INFLUENCE THE WEATHER OVER THE OHIO VALLEY. AN UPPER RIDGE WILL ALSO  
BE IN PLACE ACROSS THE SAME AREA, WITH THESE FEATURES GRADUALLY  
MOVING EAST THROUGH EARLY IN THE NEW WEEK.  
 
SUNDAY WILL REMAIN DRY, WITH HIGHS IN THE LOWER TO MID 80S. THESE  
VALUES ARE ABOUT 10 DEGREES ABOVE NORMAL FOR EARLY OCTOBER.  
 
BY MONDAY, A PATTERN SHIFT WILL BE OCCURRING, AS THE AREA OF HIGH  
PRESSURE SHIFTS FURTHER EAST INTO THE ATLANTIC. BROAD LONGWAVE  
TROUGHING WILL BE DEVELOPING OVER THE WESTERN CONUS, WITH A  
SHORTWAVE MOVING EAST THROUGH THE GREAT LAKES SOME TIME TUESDAY INTO  
WEDNESDAY. OVERALL, THERE WILL BE A PRONOUNCED INCREASE IN THETA-E  
COMING INTO THE OHIO VALLEY BEGINNING ON MONDAY, WITH ASCENT AHEAD  
OF THE WAVE BRINGING PRECIPITATION TO THE AREA -- PERHAPS MONDAY  
NIGHT, BUT ESPECIALLY ON TUESDAY. THE GREATEST CHANCES FOR RAINFALL  
WILL OCCUR AHEAD OF A SURFACE COLD FRONT TUESDAY NIGHT INTO EARLY  
WEDNESDAY.  
 
ONCE THE COLD FRONT MOVES THROUGH ON WEDNESDAY, MUCH DRIER AND  
COLDER AIR (ALONG WITH NORTH TO NORTHEAST FLOW) WILL SHIFT INTO THE  
REGION, ASSOCIATED WITH ANOTHER LARGE AREA OF HIGH PRESSURE. THIS  
WILL LEAD TO CONSIDERABLY COOLER CONDITIONS THROUGH THE END OF THE  
WEEK.  
 
 
   
AVIATION /06Z FRIDAY THROUGH TUESDAY/  
 
HIGH PRESSURE WILL CONTINUE TO TO DOMINATE THE WEATHER TODAY  
OFFERING DRY AND WARM CONDITIONS. LIGHT LOW LEVEL FLOW TO BECOME  
MORE SOUTHEASTERLY THIS MORNING AND THEN SOUTHERLY BY AFTERNOON. THIS  
LIGHT FLOW MAY LEAD TO PATCHY RIVER VALLEY FOG AT KLUK THIS MORNING.  
HAVE IFR VSBY RESTRICTIONS DUE TO FOG WHICH IMPROVE QUICKLY AFTER  
SUNRISE.  
 
THIN HIGH LEVEL CLOUDS DECREASE TODAY WITH ONLY A FEW TO SCATTERED  
FAIR WEATHER CUMULUS CLOUDS.  
 
OUTLOOK...MVFR CONDITIONS ARE POSSIBLE ON TUESDAY.  
 
 
   
ILN WATCHES/WARNINGS/ADVISORIES  
 
OH...NONE.  
KY...NONE.  
IN...NONE.  
 
 
 
 
 
SYNOPSIS...AR  
NEAR TERM...AR  
SHORT TERM...AR  
LONG TERM...HATZOS  
AVIATION...AR  
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