424  
FXUS63 KPAH 081752  
AFDPAH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PADUCAH KY  
1252 PM CDT MON SEP 8 2025  
   
KEY MESSAGES  
 
- TEMPERATURES WILL WARM 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.  
 
 
   
DISCUSSION  
 
ISSUED AT 1252 PM CDT MON SEP 8 2025  
 
SURFACE HIGH PRESSURE DOMINATES THE ENTIRETY OF THE OHIO VALLEY  
EARLY THIS WEEK. ITS FLOW KEEPS WARM ADVECTION AT BAY FOR  
ANOTHER DAY, BEFORE RETURN FLOW AND BUILDING UPPER HEIGHTS  
START TO HEAT US UP AGAIN. SO IN THE SHORT TERM, THE SENSIBLE  
WEATHER FEATURES OF NOTE, OTHER THAN THE SPECTACULAR ENJOYMENT  
OF ONE MORE DAY WITH DEW POINTS IN THE 40S, AND HIGHS GENERALLY  
IN THE 70S, APPROACHING 80 DEGREES, INCLUDES THE CONTINUED DRY  
ENVIRON PRODUCING DAILY RH MINIMUMS IN THE 20S-30S PERCENTILE,  
AND THE NIGHTLY FOG PATCHES THAT GUIDANCE HINTS AT DAILY.  
 
SYNOPTIC PATTERN EVOLUTION WITH TIME, BRIEFLY AFOREMENTIONED IN  
PART, PRODUCES AN ALMOST OMEGA-LIKE BLOCKING PATTERN HERE BY  
WEEK'S END. H5 HEIGHTS CRANK TOWARD 590 DM, WHILE AMPLIFIED LONG  
WAVE TROFFING BLASTS THE WEST AND EAST COASTS. THIS WILL LEAD  
TO A STRONG WARMUP HEADING INTO MID SEPTEMBER, AS WE SEE H8  
TEMPS AROUND 8C THIS MORNING OUT OF THE 12Z NASHVILLE  
SOUNDING...WITH THE MODELS ALL INDICATING A MARKED RISE TO MORE  
THAN TWICE THAT BY THIS WEEKEND. THAT WILL BE PUSHING OUR HIGHS  
INTO THE 90S BY AS EARLY AS THURSDAY, WITH MID 90S BY THE  
WEEKEND. FORTUNATELY, DEW POINTS REBOUND THRU THE 50S, BUT  
STRUGGLE TO PASS 60F, AND WITH THE LARGE SCALE SUBSIDENCE UNDER  
THE MID MS VALLEY CENTERED RIDGE, WE'LL STAY DRY. THAT KEEPS  
DAILY RH MINIMUMS A FIRE PLANNING RISK, ESP WITH DROUGHT  
CONDITIONS CONTINUING UNABATED.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z TUESDAY/  
 
ISSUED AT 100 PM CDT MON SEP 8 2025  
 
HIGH PRESSURE KEEPS PREDOMINANTLY TRANQUIL FLIGHT FORECAST  
CONDITIONS THIS PACKAGE. THE ONLY EXCEPTIONS ARE POTENTIAL  
RESTRICTIONS DUE TO NIGHTLY MIFG, WHICH WILL BE MORE MISS THAN  
HIT AND CONFINED PRIMARILY TO BRIEF PERIODS IN PRONE LOCALES.  
WINDS ARE GENERALLY LIGHT UPON THEIR GRADUAL ANTI-CYCLONE  
TRAJECTORY FLOW PATTERN VEER FROM NORTHEAST TO SOUTHEAST WITH  
TIME.  
 
 
   
PAH WATCHES/WARNINGS/ADVISORIES  
 
IL...NONE.  
MO...NONE.  
IN...NONE.  
KY...NONE.  
 
 
 
 
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