988  
FNUS73 KPAH 161540  
FWSPAH  
 
SPOT FORECAST FOR TRIAD NC B...INDIANA DNR  
NATIONAL WEATHER SERVICE PADUCAH KY  
1040 AM CDT WED APR 16 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
LIGHT SOUTHERLY WINDS TODAY AND DEEP MIXING WILL YIELD FAIR  
DISPERSION ACROSS THE REGION AS HIGH PRESSURE WILL BE IN CONTROL.  
DESPITE LOWER MIXING HEIGHTS ON THURSDAY, STRONGER SOUTHERLY WINDS  
WILL ALLOW FOR GOOD DISPERSION. RH VALUES ARE LOWER THIS AFTERNOON  
AND THEN GRADUALLY INCREASE TOWARD THE WEEKEND. WHILE THE CHANCE  
OF A WETTING RAIN WILL BE LOW TONIGHT INTO THURSDAY, A MUCH  
GREATER RISK ARRIVES FRIDAY NIGHT THROUGH THE WEEKEND WHEN THERE  
IS THE POTENTIAL FOR HEAVY RAINFALL ACROSS MOST OF THE REGION WITH  
WAVES OF SHOWERS AND THUNDERSTORMS.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........54 AT IGNITION...MAX 65.  
RH..................46 PERCENT AT IGNITION...MIN 28 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS NORTHWEST AT 6 MPH AT  
IGNITION...OTHERWISE LIGHT WINDS BECOMING  
NORTHWEST AROUND 5 MPH EARLY IN THE AFTERNOON,  
THEN BECOMING LIGHT LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 6100 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 8 TO 15 MPH.  
SMOKE DISPERSAL.....POOR /8300 KNOT-FT/ AT IGNITION. MAX...GOOD  
/66800 KNOT-FT/.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR MCR MCR PC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
TEMP............54 56 59 61 63 64 65 65 65  
RH..............46 42 38 34 31 30 28 30 30  
20 FT WIND DIR..NW NW NW NW NW NW NW NW W  
20 FT WIND SPD..6 6 6 6 6 6 6 3 5  
20 FT WIND GUST.7 8 10 12 12 13 10 9 8  
MIX HGT (KFT)...1.2 2.0 3.7 4.9 5.6 5.9 6.1 6.1 5.6  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.8 9 14 15 14 13 12 12 9  
VRATE KT-FT/1K..8 16 44 64 67 64 61 61 45  
VENTRATE CAT....PR PR FR GD GD GD GD GD FR  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MIN 49.  
RH..................MAX 66 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH  
AFTER 3 AM.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 7 MPH SHIFTING TO THE SOUTHEAST.  
SMOKE DISPERSAL.....POOR (1300 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC PC PC PC PC PC PC PC PC PC PC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............64 62 58 54 53 52 51 50 50 50 49 49  
RH..............32 41 47 54 57 59 61 63 63 63 66 66  
20 FT WIND DIR..W S SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..3 2 3 3 3 3 3 3 5 5 6 6  
20 FT WIND GUST.6 3 5 6 6 7 8 8 9 10 12  
MIX HGT (KFT)...3.0 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.W S SE SE SE S S S SE S S S  
TRANSP WIND SPD.7 3 5 6 6 8 8 8 9 9 10 12  
VRATE KT-FT/1K..18 1 2 2 2 2 2 2 3 3 3 3  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
 
 
FORECASTER...SHAWKEY  
REQUESTED BY...HILLARY BULCHER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510640.0/PAH  
.DELDT 04/16/25  
.FORMATTERVERSION 2.0.0  
.EMAIL HBULCHER@DNR.IN.GOV  
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