FNUS73 KPAH 312009 FWSPAH SPOT FORECAST FOR BIG TREE...NPS NATIONAL WEATHER SERVICE PADUCAH KY 309 PM CDT THU MAR 31 2011 FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON MARCH 31. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN AREA OF LOW PRESSURE WILL DRIFT EAST THROUGH THE MISSISSIPPI AND OHIO RIVER VALLEYS THROUGH FRIDAY. THIS LOOKS TO KEEP WEATHER CONDITIONS MOSTLY CLOUDY AND SEASONABLY COOL...WITH CHANCES OF SHOWERS AND A FEW THUNDERSTORMS INTO FRIDAY. HOWEVER...CONDITIONS WILL CHANGE BY SATURDAY AS HIGH PRESSURE AND SUNSHINE MAKE A RETURN TO THE QUAD STATE REGION...PUSHING AFTERNOON TEMPERATURES INTO THE 60S. LOOKING AHEAD....A MUCH STRONGER AREA OF LOW PRESSURE AND ASSOCIATED COLD FRONT WILL BRING SOME STRONG STORMS AND POTENTIALLY HEAVY RAINFALL TO THE REGION LATE SUNDAY THROUGH TUESDAY. .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS. TEMPERATURE.........53 AT IGNITION...MAX 54. RH..................43 PERCENT AT IGNITION...MIN 38 PERCENT. WIND (20 FT)........WINDS SOUTHWEST AT 5 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS AROUND 5 MPH LATE IN THE AFTERNOON BECOMING LIGHT. CWR.................0 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 3. MIXING HEIGHT.......5700 FT AGL AT IGNITION...OTHERWISE 5700 FT AGL. TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH. TIME (CDT) 4PM 5PM 6PM SKY (%).........MC MC CDY WEATHER COV.....SCH SCH SCH WEATHER TYPE....RW RW RW TEMP............53 52 50 RH..............50 52 56 20 FT WIND DIR..SW SW SW 20 FT WIND SPD..4 4 3 20 FT WIND GUST.5 5 5 MIX HGT (KFT)...5.7 5.7 5.7 TRANSP WIND DIR.SW SW W TRANSP WIND SPD.6 6 6 CWR.............0 0 0 HAINES INDEX....3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). CHANCE OF RAIN SHOWERS IN THE EVENING. TEMPERATURE.........MIN 36. RH..................MAX 97 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4000-5600 FT AGL DECREASING TO 1200-1300 FT AGL. TRANSPORT WINDS.....WEST 6 TO 9 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........CLOUDY CLOUDY CLOUDY MCLDY MCLDY MCLDY WEATHER COV.....CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............49 45 42 40 39 38 RH..............66 86 93 92 92 92 20 FT WIND......S 3 W 2 W 1 NW 1 W 2 W 2 20 FT WIND GUST.5 MIX HGT (FT)....5600 5000 4000 2900 2000 1300 TRANSPORT WIND..W 6 W 6 NW 6 NW 6 NW 7 W 9 CWR.............0 0 0 0 0 0 HAINES INDEX....3 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING MOSTLY SUNNY (35-45 PERCENT). CHANCE OF RAIN SHOWERS. TEMPERATURE.........MAX 61. RH..................MIN 37 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 10 MPH EARLY IN THE MORNING. CWR.................0 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1100-2700 FT AGL INCREASING TO 3100-3900 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....WEST 10 TO 17 MPH SHIFTING TO THE NORTHWEST 21 TO 25 MPH LATE IN THE AFTERNOON. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........MC MC MC CDY MC MC MC MC MC MC PC PC WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW TEMP............38 40 44 48 51 54 56 58 59 60 59 58 RH..............89 85 76 71 66 61 57 51 45 42 44 47 20 FT WIND DIR..W W W SW W W W W W NW NW NW 20 FT WIND SPD..2 3 4 5 5 5 6 6 7 8 8 7 20 FT WIND GUST.5 5 5 10 10 10 10 20 20 20 15 MIX HGT (KFT)...1.1 1.4 1.8 2.3 2.7 3.1 3.5 3.7 3.8 3.9 3.9 3.8 TRANSP WIND DIR.W W W W W W W W W W NW NW TRANSP WIND SPD.10 10 10 10 12 12 13 15 17 21 23 25 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3 $$ FORECASTER...TREVINO REQUESTED BY...AARON MIER TYPE OF REQUEST...PRESCRIBED .TAG 20110331.BIGTR.01/PAH