FNUS73 KPAH 171442 FWSPAH SPOT FORECAST FOR TA 6...DOD NATIONAL WEATHER SERVICE PADUCAH KY 842 AM CST THU DEC 17 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON DECEMBER 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MAIN CONCERNS FOR BURNING TODAY WILL BE SMOKE DISPERSION ISSUES. THERE IS A MAJOR INVERSION JUST OFF THE SURFACE...WHICH WILL ALLOW FOR GOOD WARMING TODAY...BUT MIXING HEIGHTS MAY NOT REACH 1700 FT AGL. IN ADDITION...LIGHT WINDS ARE FORECAST. MIXING HEIGHTS WILL BE BETTER FRIDAY...BUT WINDS WILL BE LIGHT AND RELATIVE HUMIDITIES MUCH HIGHER. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). TEMPERATURE.........43 AT IGNITION...MAX 49. RH..................45 PERCENT AT IGNITION...MIN 35 PERCENT. WIND (20 FT)........WINDS EAST AT 6 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING EAST 5 TO 7 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 200-1700 FT AGL. TRANSPORT WINDS.....EAST 5 TO 12 MPH. TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........PC PC PC PC PC PC PC WEATHER COV..... WEATHER TYPE.... TEMP............43 46 48 48 48 47 44 RH..............45 38 37 35 37 42 47 20 FT WIND DIR..E E E E E E E 20 FT WIND SPD..5 6 5 5 4 3 3 20 FT WIND GUST.10 10 10 5 5 5 HAINES INDEX....3 3 3 4 4 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). TEMPERATURE.........MIN 32. RH..................MAX 82 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................3 PERCENT. HAINES INDEX........2 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......100-300 FT AGL. TRANSPORT WINDS.....SOUTHEAST 3 TO 6 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............41 36 35 36 35 35 RH..............52 69 75 75 82 82 20 FT WIND......E 3 SE 3 SE 3 SE 3 SE 3 SE 3 20 FT WIND GUST.5 5 5 5 5 5 HAINES INDEX....5 3 2 2 2 2 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). TEMPERATURE.........MAX 47. RH..................MIN 60 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH EARLY IN THE MORNING. CWR.................18 PERCENT. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......200-1600 FT AGL INCREASING TO 2000-3800 FT AGL LATE IN THE MORNING...THEN DECREASING TO 1100 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 3 TO 12 MPH. TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........CLOUDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE RAIN RAIN TEMP............35 39 45 46 RH..............82 79 62 60 20 FT WIND......SE 3G5 SE 4G5 E 5 E 5 HAINES INDEX....2 3 2 2 $$ FORECASTER...SPAETH REQUESTED BY...DREW MICKOLAY TYPE OF REQUEST...PRESCRIBED .TAG 20091217.TA6__.01/PAH