FNUS73 KPAH 082205 FWSPAH SPOT FORECAST FOR POLECAT...US FOREST SERVICE NATIONAL WEATHER SERVICE PADUCAH KY 505 PM CDT THU APR 8 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... FROM IGNITION TIME THROUGH 2 PM CDT...RELATIVE HUMIDITIES WILL DROP BETWEEN 2 TO 4 PERCENT PER HOUR. THIS LOWERED HUMIDITY...COMBINED WITH LARGE MIXING HEIGHTS AND LIGHT TO MODERATE TRANSPORT WINDS SHOULD LEAD TO FAVORABLE PRESCRIBED BURN CONDITIONS. THE MAIN LIMITATION WILL BE THE ORIENTATION OF THE WINDS...FROM THE WEST AND SOUTHWEST...BLOWING FROM THE RIDGETOP TOWARD THE VALLEY. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF FROST EARLY IN THE MORNING. TEMPERATURE.........58 AT IGNITION...MAX 70. MIN HUMIDITY........40 PERCENT AT IGNITION...MIN 25 PERCENT. WIND (20 FT)........WINDS WEST AT 2 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......500-2200 FT AGL INCREASING TO 8500-9400 FT AGL. TRANSPORT WINDS.....SOUTHWEST 0 TO 5 MPH INCREASING TO WEST 10 TO 16 MPH EARLY IN THE MORNING. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........CLR CLR CLR CLR CLR CLR CLR CLR WEATHER COV..... WEATHER TYPE.... TEMP............58 62 65 66 68 69 68 67 RH..............40 36 33 32 30 29 31 35 20 FT WIND DIR..W SW SW SW SW SW SW SW 20 FT WIND SPD..2 2 3 4 4 4 3 2 20 FT WIND GUST. 5 5 5 5 5 5 5 MIX HGT (KFT)...4.8 6.2 7.4 8.1 8.5 8.6 9.2 9.4 TRANSP WIND DIR.NW NW NW NW W W W W TRANSP WIND SPD.16 15 14 13 13 12 13 14 CWR.............0 0 0 0 0 0 0 0 HAINES INDEX....4 5 5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). MIN TEMPERATURE.....44. MAX HUMIDITY........79 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......8800 FT AGL DECREASING TO 200-900 FT AGL. TRANSPORT WINDS.....SOUTH 5 TO 14 MPH DECREASING TO AROUND 0 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR WEATHER COV..... WEATHER TYPE.... TEMP............64 60 57 55 53 52 51 49 48 47 47 46 RH..............40 48 54 58 62 64 66 70 71 72 71 73 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 1 1 20 FT WIND GUST. 5 5 5 5 5 5 MIX HGT (KFT)...8.8 6.4 3.4 0.9 0.2 0.3 0.6 0.6 0.6 0.6 0.5 0.5 TRANSP WIND DIR.SW SW S S S S S S S S S S TRANSP WIND SPD.14 9 5 0 0 0 0 0 0 0 0 0 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....4 4 4 4 4 4 4 4 5 5 5 5 .SATURDAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). MAX TEMPERATURE.....73. MIN HUMIDITY........26 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........4 TO 6 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......700-2400 FT AGL INCREASING TO 5600-6100 FT AGL. TRANSPORT WINDS.....SOUTH 0 TO 6 MPH INCREASING TO 13 TO 17 MPH EARLY IN THE MORNING. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR WEATHER COV..... WEATHER TYPE.... TEMP............46 50 55 59 62 65 68 70 71 71 71 70 RH..............72 62 51 44 40 36 33 31 31 31 31 33 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..1 2 3 4 5 5 5 5 5 5 5 5 20 FT WIND GUST. 5 5 10 10 10 10 10 MIX HGT (KFT)...0.7 1.0 1.6 2.4 3.6 4.9 5.9 6.1 5.9 5.6 5.8 5.9 TRANSP WIND DIR.S S S SW SW SW SW S S S S S TRANSP WIND SPD.0 6 13 17 17 15 13 13 13 13 15 16 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....5 5 5 5 5 6 6 5 5 4 4 5 $$ FORECASTER...SMITH REQUESTED BY...KEITH P KELLEY FMO TYPE OF REQUEST...PRESCRIBED .TAG 20100409.POLEC.01/PAH