131  
FXUS63 KPAH 211750  
AFDPAH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PADUCAH KY  
1250 PM CDT THU MAY 21 2026  
   
KEY MESSAGES  
 
- ABOVE NORMAL PCPN IS FORECAST; THE WETTEST TIME PERIODS LOOK  
TO BE FRIDAY AND SUNDAY THRU WEDNESDAY.  
 
- 1 TO 2 INCHES OF AVERAGE TOTAL RAINFALL IS EXPECTED THRU MID  
WEEK NEXT. THERE IS AT LEAST A 60% CHANCE THAT 1 INCH IS  
REALIZED BY THE END OF THE WEEKEND; THERE IS A 40-60% CHANCE 2  
INCHES IS EXCEEDED BY NEXT WEDNESDAY EVENING.  
 
 
   
DISCUSSION  
 
ISSUED AT 1245 PM CDT THU MAY 21 2026  
 
WHILE A MORE ACTIVELY 'WET' PATTERN IS EMERGING, IT WILL NOT BE  
WET/RAINY THE WHOLE TIME. RATHER, WE'LL SEE IT IN SURGES, TIED  
TO PERIODIC PULSES OR WAVES OF ENERGY THAT SPREAD OUT OVER A  
WEEK'S TIME. STORM TOTAL AVERAGE QPF THRU MID WEEK NEXT IS 1-2",  
BUT LOCALIZED HIGHER AMOUNTS MAY BE REALIZED VIA CONVECTION  
AND/OR ANY REPEAT TRAINING THAT MAY OCCUR. THE NAEFS E-SAT  
DEPICTS 99TH PERCENTILE 1.75"+ PW'S WITH 5-10 YR R.I'.S WITH  
THE FIRST ROUND FRIDAY-FRIDAY NIGHT, SO HEAVIER RAIN POTENTIAL  
EXISTS. THIS MAY ULTIMATELY LEAD TO MINOR/LOCALIZED NUISANCE  
FLOODING AS IT OCCURS, WITH SOME MINOR RIVER FLOODING POTENTIAL  
ESP ON OUR SMALLER STEMS; THIS LATTER PATTERN IS ALREADY  
ONSETTING AND WILL BE WATCHED CLOSELY FOR EXPANSION AS THE  
REAL-TIME BASIN TOTALS ARE INCORPORATED.  
 
SATURDAY OFFERS AN IN-BETWEEN RECOVERY DAY FOR MOST AS THE  
FRIDAY SURGE DEPARTS AND THE NEXT SURGE PREPS FOR SUNDAY ONSET.  
THE MODELS SUGGEST THE BEST STRONG-SVR RISK REMAINS SOUTH AND/OR  
EAST WITH TIME, INCLUDING FRIDAY, BUT RETURN FLOW MOISTURE/INSTABILITY  
AND INCREASING BULK SHEAR WITH STRENGTHENING FLOW OVERHEAD AS  
THE FIRST LOW PRESSURE WAVE(S) SURGE ACROSS SOUTHERN KY DOES  
SUPPORT THE EXISTING MRGL RISK IN THE WARM SECTOR/OVER THE  
PENNYRILE MAINLY EAST OF THE LAKES.  
 
THANKS TO THE HIGH POPS DAILY, SKY COVER AND PCPN RESULTS IN  
TEMPS THAT WILL SPEND MOST OF THEIR DAYTIME IN THE 70S AND  
NIGHT-TIME IN THE 60S...IE MUTED...DESPITE ACTUAL HIGHS IN THE  
LOWER 80S FOR MOST OF THAT TIME.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z FRIDAY/  
 
ISSUED AT 1245 PM CDT THU MAY 21 2026  
 
BREAKS IN RESTRICTED BASES MAY OCCUR BUT WILL BE RELATIVELY  
SHORT-LIVED BY COMPARISON, AS ANOTHER SURGE OF MOISTENING IS  
ANTICIPATED LATER TONIGHT INTO FRIDAY. IT'LL BRING INCREASING  
PCPN CHANCES WITH IT, WHICH WILL FURTHER OFFER RESTRICTION  
POTENTIAL FOR VSBYS.  
 
 
   
PAH WATCHES/WARNINGS/ADVISORIES  
 
IL...NONE.  
MO...NONE.  
IN...NONE.  
KY...NONE.  
 
 
 
 
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