529  
FXUS63 KJKL 120926  
AFDJKL  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE JACKSON KY  
526 AM EDT SUN APR 12 2026  
   
KEY MESSAGES  
 
 
- ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON  
FROM THE COMBINATION OF LOW HUMIDITY, SUNNY TO MOSTLY SUNNY  
SKIES, NEAR-RECORD WARM CONDITIONS, DRY FUELS, AND BREEZY  
CONDITIONS. BURNING IS NOT RECOMMENDED AS FIRE BEHAVIOR COULD  
BECOME ERRATIC.  
 
- UNSEASONABLY WARM CONDITIONS ARE EXPECTED FOR MUCH OF THE NEXT  
WEEK. THE WARMEST PERIODS WILL BE TODAY AS WELL AS TUESDAY  
THROUGH SATURDAY OF THIS WEEK. NEW DAILY RECORD HIGH  
TEMPERATURES WILL POSSIBLE, IF NOT LIKELY, ON THE WARMEST DAYS.  
 
- LOW CHANCES FOR SHOWERS AND THUNDERSTORMS RETURN FOR MONDAY AND  
PERSIST THROUGH MUCH OF THIS WEEK AS THE AREA WILL BE ON THE  
FAR EASTERN/SOUTHEASTERN PERIPHERY OF AN ACTIVE STORM TRACK FROM  
THE SOUTHERN PLAINS TO THE GREAT LAKES REGION.  
 
 
   
UPDATE  
 
ISSUED AT 526 AM EDT SUN APR 12 2026  
 
QUICK PRE-DAWN UPDATE ISSUED TO REFRESH HOURLY TEMPERATURES BASED  
ON THE LATEST OBSERVATIONS. NO OTHER CHANGES ARE NEEDED TO THE  
FORECAST AT THIS TIME.  
 
 
   
SHORT TERM  
(TODAY THROUGH MONDAY)  
ISSUED AT 350 AM EDT SUN APR 12 2026  
 
MID-LEVEL RIDGE AXIS WILL CROSS EASTERN KENTUCKY THIS MORNING,  
THEN MOVE EAST OF THE AREA, OPENING UP THE SOUTHERN OHIO RIVER  
VALLEY REGION TO SOUTHWESTERLY FLOW ALOFT. A WARM FRONT CROSSES  
THE AREA THIS MORNING, AND WILL BE THE LEADING EDGE OF AN  
UNSEASONABLY WARM AIR MASS WITH INCREASING WARM ADVECTION THROUGH  
THE SHORT-TERM PERIOD. SURFACE AND NEAR-SURFACE WINDS WILL BEGIN  
FROM THE SOUTHEAST THIS MORNING, THEN VEER TO SOUTH-SOUTHWESTERLY  
THIS AFTERNOON. THIS WILL MEAN THE LOW-LEVEL ENVIRONMENT WILL BE  
CHARACTERIZED BY INCREASING DOWNSLOPE COMPRESSIONAL WARMING OFF  
THE HIGHER TERRAIN TO THE SOUTH AND SOUTHEAST. ELEVATED FIRE  
WEATHER CONDITIONS ARE THUS EXPECTED TO DEVELOP THIS AFTERNOON DUE  
TO THE COMBINATION OF LOW HUMIDITY, SUNNY TO MOSTLY SUNNY SKIES,  
UNSEASONABLY WARM TEMPERATURES THREATENING DAILY RECORDS IN THE  
MID AND UPPER 80S, DRY FUELS, AND PERSISTENT SOUTHWESTERLY BREEZES  
BY AFTERNOON AS THE WARM SECTOR BECOMES ESTABLISHED BEHIND THE  
WARM FRONT PASSAGE.  
 
WHILE SURFACE WINDS ARE EXPECTED TO SUBSIDE THIS EVENING, A LOW-  
LEVEL JET WILL MOVE ACROSS THE AREA WITH THE PASSAGE OF A  
SHORTWAVE TRAVERSING NORTHEAST ACROSS THE NORTHERN OHIO RIVER  
VALLEY. THIS WILL ALLOW FOR ONLY MODERATE HUMIDITY RECOVERY FOR  
MUCH OF TONIGHT ESPECIALLY ON THE RIDGES AND UPPER SLOPES. LOWS  
WILL ONLY FALL INTO THE 60S AT HIGHER ELEVATIONS, WITH 50S IN THE  
VALLEYS.  
 
A MID-LEVEL DISTURBANCE MOVING THROUGH THE NORTHERN OHIO VALLEY  
WILL PUSH UPSTREAM SHOWER AND THUNDERSTORM ACTIVITY TOWARD  
NORTHERN AND WESTERN PARTS OF THE FORECAST AREA TOWARDS DAYBREAK  
MONDAY. HOWEVER, THIS ACTIVITY, AT LEAST IN THE MORNING, WILL  
LIKELY BE DISSIPATING AS IT RUNS INTO A MUCH DRIER AIR MASS OVER  
THE CUMBERLAND PLATEAU. THE PRECIPITATION WILL ALSO BE OUTRUNNING  
THE BETTER WARM ADVECTION TO THE NORTH AND WEST AS IT ENTERS  
EASTERN KENTUCKY, WITH UPPER SUPPORT OUTRUNNING THIS ACTIVITY TO  
THE EAST. THERE ARE SOME MODELS THAT DEPICT SOME REFORMATION OF  
SHOWER ACTIVITY IN THE AFTERNOON OVER THE FORECAST AREA AS WARM  
ADVECTION GRADUALLY INCREASES DEW POINTS AND PROMOTES BROAD  
UPWARD VERTICAL MOTION FROM WEST TO EAST, BUT MODEL CONSENSUS ON  
THIS OCCURRING IS QUITE POOR AT THIS TIME.  
   
LONG TERM  
(MONDAY NIGHT THROUGH SATURDAY)  
ISSUED AT 349 AM EDT SUN APR 12 2026  
 
THE LONG WAVE PATTERN WILL REMAIN AMPLIFIED AND RATHER STAGNANT  
THROUGH THE WEEK. UPPER LEVEL RIDGING WILL BE ANCHORED ACROSS THE  
SOUTHEASTERN CONUS, WHILE BOUTS OF EASTERN PACIFIC ENERGY ALLOW  
FOR MEAN TROUGHING GENERALLY WEST OF THE PLAINS. THIS RESULTS IN  
PERSISTENT SOUTHWEST FLOW IN THE MIDDLE OF THE COUNTRY. EASTERN  
KENTUCKY WILL REMAIN ON THE PERIPHERY OF TRAVERSING SHORT WAVE  
ACTIVITY, WITH ANY SURFACE FRONTS LIKELY REMAINING WELL TO OUR  
NORTHWEST UNTIL PERHAPS TOWARDS THE END OF THE PERIOD.  
 
HIGH CONFIDENCE REMAINS FOR A CONTINUATION OF WELL ABOVE NORMAL  
TEMPERATURES, WITH HIGHS WELL INTO THE 80S EACH DAY FROM TUESDAY  
THROUGH SATURDAY, AND EVEN A FEW 90 DEGREE READINGS FOR A FEW  
LOCATIONS AT TIMES. RAIN CHANCES INCREASE ACROSS THE AREA FROM  
THE NORTHWEST EARLY NEXT WEEK, WITH BETTER CHANCES MOVING IN BY  
THURSDAY, WITH SOME BETTER FORCING CURRENTLY PREDICTED. A  
SECONDARY PEAK IN POPS WILL OCCUR SOMETIME THIS WEEKEND, BUT  
TEMPORAL DIFFERENCES AMONGST THE MODELS MAKE THIS LOWER  
CONFIDENCE.  
 
 
   
AVIATION  
(FOR THE 06Z TAFS THROUGH 06Z SUNDAY NIGHT)  
ISSUED AT 125 AM EDT SUN APR 12 2026  
 
VFR CONDITIONS WERE OBSERVED AT TAF ISSUANCE, AND WILL PREVAIL  
THROUGH THE FORECAST PERIOD WITH JUST PASSING HIGH CLOUDS. FOG  
FORMATION OVERNIGHT CANNOT BE RULED OUT IN THE MOST SHELTERED  
VALLEYS, BUT CONFIDENCE WAS TOO LOW TO BE INCLUDED AT KLOZ AND  
KSME. WINDS TONIGHT WILL BE LIGHT AND VARIABLE, BECOMING SOUTHWEST  
AT 6 TO 12 KTS AFTER 15Z SUNDAY, WITH GUSTS OF 15 TO 20 KTS.  
WINDS WILL PROBABLY NOT FULLY DECOUPLE WITH THE LOSS OF DAYTIME  
HEATING TOWARD 00Z MONDAY, ESPECIALLY FOR WESTERN TAF SITES, AS A  
SOUTHWESTERLY LOW-LEVEL JET WILL BEGIN OVERSPREADING THE AREA  
FROM THE WEST DURING THE EVENING AND OVERNIGHT PERIODS. LLWS WILL  
LIKELY BE ADDED WITH FUTURE TAF PACKAGES COVERING THE SUNDAY  
NIGHT PERIOD.  
 
 
   
JKL WATCHES/WARNINGS/ADVISORIES  
 
NONE.  
 
 
 
 
 
UPDATE...CMC  
SHORT TERM...CMC  
LONG TERM...JKL/CMC  
AVIATION...CMC  
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