FNUS73 KPAH 171414 FWSPAH SPOT FORECAST FOR TA 10...DOD NATIONAL WEATHER SERVICE PADUCAH KY 914 AM CDT FRI APR 17 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... FOR THE PRESCRIBED BURN TODAY...A SLOW INCREASE IN WINDS WILL BE EXPECTED FROM THE SOUTH-SOUTHEAST FROM IGNITION TIME THROUGH THE AFTERNOON...MAXING OUT AROUND 3 PM CDT. MINIMUM RELATIVE HUMIDITIES WILL ALSO DROP TO THEIR LOWEST POINT BETWEEN 2 AND 4 PM THIS AFTERNOON...FALLING INTO THE LOW TO MID 30S. THERE SHOULD BE FULL SUN FOR THE MOST...IF NOT ALL OF THE PRESCRIBED BURN TIME TODAY...WITH LIGHT TO MODERATE TRANSPORT WINDS AND MIXING HEIGHTS WELL ABOVE THE 1700 FOOT MINIMUM THROUGH 7 PM CDT. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). TEMPERATURE.........64 AT IGNITION...MAX 73. RH..................55 PERCENT AT IGNITION...MIN 31 PERCENT. WIND (20 FT)........WINDS SOUTH AT 4 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH LATE IN THE MORNING AND THROUGH THE AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......900-2100 FT AGL INCREASING TO 3600 FT AGL AT IGNITION...OTHERWISE 3600-5300 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5700-7200 FT AGL IN THE AFTERNOON DECREASING TO 4500 FT AGL TOWARD SUNSET. TRANSPORT WINDS.....SOUTH 0 TO 7 MPH INCREASING TO 15 TO 22 MPH EARLY IN THE MORNING...THEN SHIFTING TO THE SOUTHEAST 10 TO 12 MPH IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........MCR MCR MCR MCR MCR MCR MCR CLR WEATHER COV..... WEATHER TYPE.... TEMP............64 67 69 70 71 72 71 70 RH..............53 46 42 39 37 37 40 45 20 FT WIND DIR..S S S S SE SE SE SE 20 FT WIND SPD..3 4 4 5 5 5 4 3 20 FT WIND GUST.5 5 5 5 5 MIX HGT (KFT)...3.6 5.3 6.7 7.2 7.1 6.6 5.7 4.5 TRANSP WIND DIR.S S SE SE SE S SE SE TRANSP WIND SPD.20 15 10 10 10 12 10 10 CWR.............0 0 0 0 0 0 0 0 HAINES INDEX....4 5 5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). TEMPERATURE.........MIN 49. RH..................MAX 87 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800-3100 FT AGL DECREASING TO 0-800 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTHEAST 6 TO 9 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........CLEAR MCLEAR PCLDY PCLDY PCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............68 62 58 55 52 50 RH..............53 60 64 72 77 83 20 FT WIND......SE 2 SE 2 SE 2 SE 2 SE 2 SE 2 20 FT WIND GUST.5 5 5 5 5 5 MIX HGT (FT)....3100 800 BLW100 200 200 BLW100 TRANSPORT WIND..SE 9 SE 7 SE 6 SE 6 SE 6 SE 6 CWR.............0 0 0 0 0 0 HAINES INDEX....5 5 5 5 5 5 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN SHOWERS. TEMPERATURE.........MAX 68. RH..................MIN 45 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 6 TO 8 MPH EARLY IN THE MORNING. CWR.................0 PERCENT INCREASING TO 31 PERCENT IN THE AFTERNOON. HAINES INDEX........2 TO 5 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......200-1400 FT AGL INCREASING TO 3000-4400 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 5300-7000 FT AGL IN THE LATE MORNING AND AFTERNOON DECREASING TO 3800 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 7 TO 13 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............50 59 65 67 RH..............83 57 46 47 20 FT WIND......SE 2G5 SE 5G10 SE 6G10 SE 6G10 MIX HGT (FT)....200 4400 6300 6700 TRANSPORT WIND..SE 7 S 12 S 12 S 12 CWR.............0 0 30 30 HAINES INDEX....5 4 4 3 $$ FORECASTER...SMITH REQUESTED BY...DREW MICKOLAY TYPE OF REQUEST...PRESCRIBED .TAG 20090417.TA10_.01/PAH