475  
FNUS73 KPAH 181318 AAA  
FWSPAH  
 
SPOT FORECAST FOR AT 42...UPDATED  
NATIONAL WEATHER SERVICE PADUCAH KY  
818 AM CDT WED OCT 18 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON OCTOBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL KEEP US DRY THROUGH EARLY SATURDAY, AND  
SOUTHERLY WINDS WILL CAUSE A WARMING TREND. HIGHS TODAY WILL BE IN  
THE LOWER TO MIDDLE 70S, WITH HIGHS BY FRIDAY AND SATURDAY IN THE  
UPPER 70S TO AROUND 80 DEGREES. A COLD FRONT WILL MOVE ACROSS THE  
REGION SUNDAY INTO SUNDAY NIGHT. SHOWERS AND SOME THUNDERSTORMS  
CAN BE EXPECTED ALONG AND AHEAD OF THE FRONT, WITH CHANCES  
SPREADING ACROSS THE AREA SATURDAY NIGHT AND CONTINUING THROUGH  
SUNDAY NIGHT. COOLER CONDITIONS WILL RETURN BEHIND THE FRONT FOR  
EARLY NEXT WEEK.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........56 AT IGNITION...MAX 72.  
RH..................70 PERCENT AT IGNITION...MIN 36 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS SOUTH AT 5 MPH AT IGNITION...OTHERWISE  
LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH EARLY IN  
THE MORNING.  
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 600-2400 FT  
AGL INCREASING TO 2900-4200 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTH 0 TO 9 MPH INCREASING TO 9 TO 15 MPH IN  
THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH AT IGNITION...MAX 4.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR MCR MCR MCR MCR MCR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
TEMP............56 60 64 68 70 72 72 71 68  
RH..............70 64 56 49 44 40 37 39 45  
20 FT WIND DIR..S S S S S S S S S  
20 FT WIND SPD..5 5 6 6 7 7 7 7 6  
20 FT WIND GUST. 10 10 10 10 10 10 10  
MIX HGT (KFT)...1.2 1.7 2.4 3.2 3.9 4.2 4.2 3.8 2.9  
TRANSP WIND DIR.S S S S SW SW S S S  
TRANSP WIND SPD.0 0 5 9 14 15 15 13 9  
HAINES INDEX....4 4 4 4 4 4 4 4 4  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MIN 44.  
RH..................MAX 96 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......600-1800 FT AGL.  
TRANSPORT WINDS.....SOUTH 0 TO 3 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............64 57 53 51 49 46  
RH..............52 69 80 83 83 93  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..5 3 3 3 3 2  
20 FT WIND GUST. 5 5 5 5 5  
MIX HGT (FT)....1800 600 800 800 800 800  
TRANSP WIND DIR.S S S S S S  
TRANSP WIND SPD.3 0 0 0 0 0  
HAINES INDEX....4 4 4 4 4 4  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MAX 74.  
RH..................MIN 35 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE  
LATE MORNING AND AFTERNOON, THEN BECOMING LIGHT  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......700-2200 FT AGL INCREASING TO 2900-4000 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 0 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............44 49 61 69 73 73  
RH..............100 89 67 51 40 38  
20 FT WIND DIR..S S S SW SW S  
20 FT WIND SPD..3 3 5 6 6 5  
20 FT WIND GUST.5 5 10 10  
MIX HGT (FT)....700 1000 1600 2900 3800 3800  
TRANSP WIND DIR.S S S SW SW SW  
TRANSP WIND SPD.0 0 0 5 8 7  
HAINES INDEX....4 4 4 4 4 4  
 

 
FORECASTER...BLANCHARD  
REQUESTED BY...JOHN PAUL HART  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1717453.0/PAH  
.EMAIL JOHN.PAUL.F.HART.CIV@MAIL.MIL  
 
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