421  
FXUS63 KPAH 091126  
AFDPAH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PADUCAH KY  
626 AM CDT TUE SEP 9 2025  
   
KEY MESSAGES  
 
- MUCH WARMER CONDITIONS ARE EXPECTED AS THE WEEK WEARS ON,  
WITH 90S MAKING A RETURN BY THURSDAY, AND MID 90S POTENTIAL  
OVER THE WEEKEND.  
 
- A WEEK OF DRY WEATHER IN STORE WILL HEIGHTEN FIRE DANGER AS  
RELATIVE HUMIDITY VALUES PLUMMET INTO THE 20S AND 30S  
PERCENTILE DAILY.  
 
 
   
UPDATE  
 
ISSUED AT 625 AM CDT TUE SEP 9 2025  
 
UPDATED THE AVIATION DISCUSSION FOR THE 12Z TAF ISSUANCE.  
 
 
   
DISCUSSION  
 
ISSUED AT 259 AM CDT TUE SEP 9 2025  
 
ONE LAST WELL BELOW NORMAL LOW TEMPERATURE MORNING IS FORECAST  
TODAY AS A VERY LARGE AREA OF HIGH PRESSURE REMAINS OVER THE  
OHIO RIVER VALLEY. DRY AIR AND LOW SOIL MOISTURES WITH  
DEVELOPING DROUGHT WILL YIELD COMMONPLACE LOWS IN THE 40S,  
THOUGH HOLDING SLIGHTLY WARMER THAN YESTERDAY MORNING. A COUPLE  
MODELS (NAM AND HRRR) SHOW A SMALL DISTURBANCE DRIFTING INTO THE  
AREA BRINGING A SMATTERING OF LIGHT SHOWERS THIS EVENING IN OR  
NEAR SEMO, BUT THE LOWEST KM IS DRY ENOUGH THAT THIS SHOULD, AT  
THE MOST, JUST BE VIRGA.  
 
THIS WEEK FEATURES A STEADY WARMING TREND AS TROUGHING SLOWLY  
GETS DISPLACED NORTHEASTWARD AS RIDGING BUILDS IN THE PLAINS. AN  
OMEGA PATTERN LOOKS CLEANEST THURSDAY, BUT MODELS DIFFER ON  
CUTOFF LOW DEVELOPMENT OFF THE EAST COAST AND DON'T HOLD AN  
OMEGA PATTERN FOR LONG EVEN AS RIDGING REMAINS. TEMPERATURES  
RISE TO NEAR NORMAL TODAY/TONIGHT, THEN CONTINUE TO WELL ABOVE  
NORMAL FOR THE REMAINDER OF THE WEEK AND WEEKEND WITH HIGHS IN  
THE LOW 90S LATE WEEK AND INTO THE MID 90S FOR SOME SPOTS OVER  
THE WEEKEND. RETURN FLOW LIFTS DEW POINTS TO THE LOWER HALF OF  
THE 60S, BUT DRY CONDITIONS KEEP DIURNAL SPREADS AROUND 30-35  
DEGREES. THERE IS MINIMAL SUPPORT FOR PRECIPITATION PRODUCING A  
FEW SLIGHT CHANCE POP AREAS EARLY NEXT WEEK; OTHERWISE DRY  
CONDITIONS ARE EXPECTED. LATE WEEK/WEEKEND RHS DROP LOW ENOUGH  
DURING THE AFTERNOON TO BE NOTEWORTHY FROM A FIRE WEATHER  
PERSPECTIVE, BUT WINDS ARE FORECAST TO BE LIGHT THROUGH THE  
FORECAST. CONTINUING DRY CONDITIONS WILL NOT DO ANY FAVORS FOR  
OUR DEVELOPING DROUGHT.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z WEDNESDAY/  
 
ISSUED AT 625 AM CDT TUE SEP 9 2025  
 
PREDOMINANTLY VFR CONDITIONS ARE EXPECTED TO CONTINUE THROUGH  
THE TAF PERIOD. CALM WINDS DURING EARLY MORNING HOURS ONLY  
INCREASE TO AROUND 5 KTS OUT OF THE SE/SSE TODAY. SCT HIGH CLOUD  
COVERAGE WILL HAVE SLOW LOWERING LATE. THERE'S SOME POTENTIAL  
FOR PATCHY GROUND FOG AT CLIMATOLOGICALLY FAVORED SITES LIKE  
KCGI EARLY WEDNESDAY MORNING.  
 
 
   
PAH WATCHES/WARNINGS/ADVISORIES  
 
IL...NONE.  
MO...NONE.  
IN...NONE.  
KY...NONE.  
 
 
 
 
 
UPDATE...ATL  
DISCUSSION...ATL  
AVIATION...ATL  
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