548  
FXUS63 KPAH 270700  
AFDPAH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PADUCAH KY  
200 AM CDT MON JUL 27 2026  
   
KEY MESSAGES  
 
- ANOTHER SLIGHT RISK OF SEVERE STORMS IS FORECAST TODAY WITH UP  
TO A 15% CHANCE OF DAMAGING WINDS, THE PRIMARY HAZARD.  
 
- EXTREME HEAT WARNING IN EFFECT TODAY WHOLE AREA, AND IN EFFECT  
ALONG AND WEST OF A LINE FROM FAIRFIELD, IL TO CADIZ, KY  
TUESDAY; HEAT ADVISORY IN EFFECT EAST OF THAT LINE TUESDAY.  
 
 
   
DISCUSSION  
 
ISSUED AT 200 AM CDT MON JUL 27 2026  
 
STILL ACTIVE CONVECTION IS NOTED ACROSS THE EASTERN THIRD OF  
THE FA AT THIS WRITING. IT'S WANED FROM ITS EARLIER HEIGHTS WRT  
SVR POTENTIAL, TRANSITIONING MORESO TO A LOCALLY HEAVY RAIN  
THREAT. IT IS POSSIBLE THE WESTWARD ADVANCING GUST FRONT THAT  
JUST PASSED KPAH WITH A PEAK WIND GUST OF 31 KTS MAY STIR UP  
SOME CONVECTION STILL TO OUR WEST, WHERE THE HIGHER INSTABILITY  
AXIS EXISTS. OTHERWISE A DOWNWARD TREND IS ANTICIPATED THRU THE  
WEE MORNING HOURS, THEN A RELATIVE WANE IN ACTIVITY SETTLES IN  
BEFORE PICKING UP AGAIN AS WE HEAD INTO THE PRIMARY/MAX HEATING  
HOURS TODAY. THE ATMOSPHERE WILL BE JUICED SIMILARLY TO  
YESTERDAY TOWARD THE END OF THE AFTERNOON, SO AS ANOTHER BLAST  
OF VORT ENERGY TOPS THE RIDGE WITH DIFLUENT FLOW ALOFT AND  
HEIGHTENING CAPE TO WORK WITH, WE'LL LARGELY REMAIN UNDER A  
MRGL-SLGT RISK FOR SEVERE. BEST SHEAR/ENERGY IS REMOVED TO THE  
EAST TUESDAY, SO WHILE THERE WILL ALSO BE A SMALL CHANCE OF  
STORMS, THEY'LL BE MORESO GENERAL RISK STORMS TO CONTEND WITH,  
IF THEY CAN GET GOING TUESDAY IN THE SMALL POP ENVIRON. IN  
SUMMARY, DIRTY NW FLOW ENERGY TOPPING A RIDGE AND DIVING INTO  
AN EXTREME HEAT ENVIRON = NOT GOOD.  
 
SPEAKING OF THAT EXTREME HEAT/HUMIDITY, THE SWATH OF 80+F DEW  
POINTS CONTINUES TO SPREAD/HOVER OVER THE PAH FA ANOTHER DAY  
TODAY, AND WITH CONVECTIVE DEBRIS CLOUD CLEARED EARLY, WE'LL SEE  
DANGEROUSLY HIGH HEAT INDICES UP TO AROUND 115 DEGREES  
MATERIALIZE REGION-WIDE. WE'VE THEREFORE UPGRADED THE PORTION OF  
THE FA STILL UNDER AN ADVISORY TO JOIN THE REST OF THE FA UNDER A  
WARNING AND WILL HAVE THE ENTIRETY OF THE REGION THUS HEADLINED  
TODAY, BEFORE THE EAST BACKS OFF IN A RETURN TO ITS ADVISORY  
HEADLINE FOR TUESDAY; THE WEST WILL STAY HOT/SOUPY ENOUGH TO  
SUPPORT ANOTHER DAY OF UP TO AROUND 115 DEGREES, WHILE THE EAST  
TOPS OUT UP TO AROUND 105 DEGREES TUESDAY.  
 
AS THE BROAD/UPPER ANTICYCLONE RETROGRADES OVER THE BACK HALF OF  
THE WEEK, WE'LL SEE OUR TEMPERATURES AND HUMIDITY EASE OFF THEIR  
EXTREMES. HIGHS IN THE 80S AND DEW POINTS IN THE 60S WILL BECOME  
MORE COMMONPLACE AGAIN, WHILE NEXT RAIN CHANCES LOOK TO HOLD  
OFF UNTIL NEXT WEEKEND.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z TUESDAY/  
 
ISSUED AT 200 AM CDT MON JUL 27 2026  
 
STILL ACTIVE CONVECTION WILL OFFER KPAH/KCGI ITS TURN AT BAT,  
WITH ASSOCIATED IFR TO MVFR RESTRICTIONS POTENTIAL, FOLLOWED BY  
A GENERAL/OVERALL WANE IN ACTIVITY THRU THE EARLIEST MORNING  
HOURS. AS THE DAYTIME WEARS ON AND HEATS UP, ANOTHER CHANCE OF  
STORMS MATERIALIZES WITH A WAVE OF VORT ENERGY BUSTING ATOP THE  
BROAD UPPER RIDGE AND DIVING ITS WAY TOWARD OUR FA. ADDITIONAL  
RESTRICTIONS TO CIGS/VSBYS WILL ACCOMPANY ANY SUCH DEVELOPMENT.  
EXCEPTING CONVECTION'S TRENDS TOWARD DETRIORATION, PATCHY LATE  
NIGHT/EARLY DAY FOG IS POSSIBLE TO ALSO INCLUDE AKIN FLIGHT  
RESTRICTIONS ON BOTH ENDS OF THE FORECAST.  
 
 
   
PAH WATCHES/WARNINGS/ADVISORIES  
 
IL...EXTREME HEAT WARNING UNTIL 7 PM CDT TUESDAY FOR ILZ075-076-  
080>082-084>086-088>094.  
EXTREME HEAT WARNING UNTIL 7 PM CDT THIS EVENING FOR ILZ077-  
078-083-087.  
HEAT ADVISORY FROM 7 PM THIS EVENING TO 7 PM CDT TUESDAY FOR  
ILZ077-078-083-087.  
MO...EXTREME HEAT WARNING UNTIL 7 PM CDT TUESDAY FOR MOZ076-086-087-  
100-107>112-114.  
IN...EXTREME HEAT WARNING UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING  
FOR INZ081-082-085>088.  
HEAT ADVISORY FROM 7 PM CDT /8 PM EDT/ THIS EVENING TO 7 PM  
CDT /8 PM EDT/ TUESDAY FOR INZ081-082-085>088.  
KY...EXTREME HEAT WARNING UNTIL 7 PM CDT TUESDAY FOR KYZ001>012.  
EXTREME HEAT WARNING UNTIL 7 PM CDT THIS EVENING FOR  
KYZ013>022.  
HEAT ADVISORY FROM 7 PM THIS EVENING TO 7 PM CDT TUESDAY FOR  
KYZ013>022.  
 
 
 
 
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