FNUS73 KPAH 272010 FWSPAH SPOT FORECAST FOR PENNANT BAR...USFS NATIONAL WEATHER SERVICE PADUCAH KY 310 PM CDT WED OCT 27 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON OCTOBER 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A TIGHT PRESSURE GRADIENT BETWEEN A STRONG LOW IN SOUTHERN CANADA AND HIGH PRESSURE OFF THE ATLANTIC COAST WILL DIMINISH BY THURSDAY. WITH COOLER TEMPERATURES THAN WEDNESDAY...AFTERNOON HUMIDITIES ARE EXPECTED TO BE SOMEWHAT HIGHER. BURNING CONDITIONS SHOULD GO TOWARD THE DRY SIDE AGAIN OVER THE WEEKEND AS HIGH SURFACE PRESSURE MOVES OVER THE HEARTLAND. .THURSDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........52 AT IGNITION...MAX 58. RH..................41 PERCENT AT IGNITION...MIN 32 PERCENT. WIND (20 FT)........WINDS NORTHWEST AT 11 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 6 TO 11 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 4. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........MCR MCR MCR MCR MCR MCR CLR CLR WEATHER COV..... WEATHER TYPE.... TEMP............52 54 55 56 57 56 55 51 RH..............41 38 36 34 35 36 39 44 20 FT WIND DIR..NW NW NW NW NW NW NW NW 20 FT WIND SPD..9 9 9 9 8 7 6 5 20 FT WIND GUST.20 20 20 20 20 15 15 15 HAINES INDEX....3 3 3 3 3 4 4 4 .THURSDAY NIGHT... SKY/WEATHER.........CLEAR (0-5 PERCENT). TEMPERATURE.........MIN 31. RH..................MAX 87 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. 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............46 43 41 39 38 37 36 36 35 34 34 33 RH..............55 62 67 71 73 76 77 78 78 79 80 80 20 FT WIND DIR..NW NW NW NW NW N N N N N N N 20 FT WIND SPD..5 4 4 3 2 2 2 2 2 2 2 2 20 FT WIND GUST.10 10 10 5 5 5 5 5 5 5 5 5 .FRIDAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). TEMPERATURE.........MAX 59. RH..................MIN 26 PERCENT. WIND (20 FT)........LIGHT WINDS. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1000-2500 FT AGL. TRANSPORT WINDS.....NORTH 5 TO 13 MPH SHIFTING TO THE SOUTHWEST 1 TO 2 MPH LATE 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............33 34 39 44 48 52 55 57 57 57 56 53 RH..............79 73 59 47 39 34 29 27 26 27 29 33 20 FT WIND DIR..N N N NW NW NW W W W SW SW SW 20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 3 3 20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 5 5 MIX HGT (KFT)...1.0 1.2 1.4 1.7 2.0 2.2 2.4 2.5 2.5 2.5 2.5 2.4 TRANSP WIND DIR.N N N N N N N N NW NW W SW TRANSP WIND SPD.13 10 8 6 5 2 1 1 1 1 1 2 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4 $$ FORECASTER...BLANCHARD REQUESTED BY...FRANK PAUKERT TYPE OF REQUEST...PRESCRIBED .TAG 20101028.PENNA.01/PAH