FNUS73 KPAH 272007 FWSPAH SPOT FORECAST FOR INAGEHA...USFS NATIONAL WEATHER SERVICE PADUCAH KY 207 PM CST SAT FEB 27 2010 FORECAST IS BASED ON IGNITION TIME OF 1430 CST ON FEBRUARY 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... THE PRESCRIBED BURN AREA IS ALONG A VERY TIGHT MOISTURE GRADIENT AND DRIER AIR MAY MIX INTO THE AREA THROUGH 4 PM CST...WHICH MAY LOWER RELATIVE HUMIDITIES INTO THE 20 TO 25 PERCENT RANGE...SHOULD WIND GUSTS BECOME MORE PERSISTENT THROUGH 4 PM CST. SOME REDUCTION IN THE WIND IS EXPECTED AFTER 4 PM CST...WITH A MORE RAPID REDUCTION EXPECTED BY SUNSET. AS WITH THE PREVIOUS PRESCIBED BURN FURTHER TO THE NORTH...MIXING HEIGHTS WILL DROP QUITE RAPIDLY BETWEEN 6 AND 7 PM CST...FALLING BELOW THE 1700 FOOT THRESHOLD AFTER 7 PM CST. THIS WILL HAMPER SMOKE DISPERSION FOR ANY CONTINUING FIRE LEFT BURNING AT DUSK. .REST OF TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........44 AT IGNITION...MAX 46. MIN HUMIDITY........30 PERCENT AT IGNITION...MIN 25 PERCENT. WIND (20 FT)........WINDS NORTHWEST AT 9 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 7 TO 9 MPH WITH GUSTS UP TO 20 MPH. CWR.................0 PERCENT. HAINES INDEX........4 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......3800 FT AGL AT IGNITION...OTHERWISE 3700-4000 FT AGL. TRANSPORT WINDS.....NORTHWEST 21 TO 25 MPH SHIFTING TO THE WEST AROUND 14 MPH LATE IN THE AFTERNOON...THEN SHIFTING TO THE SOUTHWEST AROUND 6 MPH BY SUNSET. TIME (CST) 2PM 3PM 4PM 5PM SKY (%).........MCR MCR MCR PC WEATHER COV..... WEATHER TYPE.... TEMP............43 44 43 42 RH..............30 29 32 36 20 FT WIND DIR..NW NW NW NW 20 FT WIND SPD..6 7 6 6 20 FT WIND GUST.10 20 10 10 MIX HGT (KFT)...3.8 3.7 3.9 4.0 TRANSP WIND DIR.NW NW W SW TRANSP WIND SPD.24 21 14 6 CWR.............0 0 0 0 HAINES INDEX....5 5 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). MIN TEMPERATURE.....23. MAX HUMIDITY........78 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH. CWR.................0 PERCENT. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2800-3700 FT AGL DECREASING TO 700-1700 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH AROUND 0 MPH. TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........PC PC PC PC PC PC PC PC MCR MCR MCR MCR WEATHER COV..... WEATHER TYPE.... TEMP............40 36 34 33 31 30 29 28 27 26 26 25 RH..............41 48 53 56 59 61 62 63 63 64 66 68 20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW 20 FT WIND SPD..5 5 5 6 5 5 5 5 5 5 5 4 20 FT WIND GUST. 10 10 10 10 5 MIX HGT (KFT)...3.7 2.8 1.7 0.9 0.7 0.8 1.0 1.2 1.3 1.4 1.4 1.4 TRANSP WIND DIR.S S S S S S S S S S S S TRANSP WIND SPD.0 0 0 0 0 0 0 0 0 0 0 0 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....3 2 2 2 2 3 3 3 2 2 2 3 .SUNDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....46. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 6 MPH BECOMING LIGHT. CWR.................0 PERCENT. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1400-3300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 0 TO 5 MPH INCREASING TO NORTHWEST 10 TO 16 MPH EARLY IN THE MORNING. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........PC PC MCR MCR MCR PC PC MCR MCR MCR MCR MCR WEATHER COV..... WEATHER TYPE.... TEMP............25 25 28 32 35 38 41 43 44 45 44 43 RH..............72 71 65 58 52 48 44 41 40 39 41 43 20 FT WIND DIR..NW NW N N N N NW NW N N N N 20 FT WIND SPD..4 5 5 5 5 5 5 5 5 5 4 2 20 FT WIND GUST.5 10 10 5 5 MIX HGT (KFT)...1.4 1.5 1.7 1.9 2.0 2.1 2.2 2.4 2.7 2.9 3.2 3.3 TRANSP WIND DIR.S SW NW N NW NW NW NW NW NW NW NW TRANSP WIND SPD.0 5 10 15 16 15 14 14 13 13 13 13 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....3 3 3 3 3 4 4 4 3 3 3 3 $$ FORECASTER...SMITH REQUESTED BY...MOLLY CAMPBELL TYPE OF REQUEST...PRESCRIBED .TAG 20100227.INAGE.01/PAH