FNUS73 KPAH 011259 FWSPAH SPOT FORECAST FOR DEVILS BACKBONE...USFS LBL NAT REC AREA NATIONAL WEATHER SERVICE PADUCAH KY 759 AM CDT THU APR 1 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... BREEZY...WARM...AND DRY CONDITIONS WILL CONTINUE THROUGH FRIDAY. A SOUTH WIND FLOW WILL CONTINUE BETWEEN HIGH PRESSURE OVER THE EASTERN SEABOARD AND LOW PRESSURE OVER THE PLAINS. SIMILAR TO WEDNESDAY...AFTERNOON HUMIDITY LEVELS WILL BE NEAR CRITICALLY LOW LEVELS IN SOME AREAS TODAY. WIND GUSTS WILL BE 20 TO 30 MPH EACH AFTERNOON THROUGH FRIDAY. .TODAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). TEMPERATURE.........76 AT IGNITION...MAX 82. MIN HUMIDITY........36 PERCENT AT IGNITION...MIN 31 PERCENT. WIND (20 FT)........WINDS SOUTH AT 11 MPH AT IGNITION...OTHERWISE SOUTH WINDS 5 TO 12 MPH. GUSTS TO 25 MPH THIS AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 4. MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 2800 FT AGL AT IGNITION...OTHERWISE 2400-3200 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTH 8 TO 13 MPH INCREASING TO 17 TO 20 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........CLR CLR CLR CLR CLR CLR WEATHER COV..... WEATHER TYPE.... TEMP............76 78 80 80 80 78 RH..............36 35 33 31 31 33 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..9 10 10 9 8 6 20 FT WIND GUST.20 20 20 20 20 15 MIX HGT (KFT)...2.8 3.0 3.2 3.2 3.1 2.7 TRANSP WIND DIR.S S S S S S TRANSP WIND SPD.18 18 20 20 18 17 CWR.............0 0 0 0 0 0 HAINES INDEX....4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........CLEAR (0-5 PERCENT). MIN TEMPERATURE.....52. MAX HUMIDITY........74 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH UNTIL EARLY MORNING BECOMING LIGHT. CWR.................0 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-2200 FT AGL DECREASING TO 100-300 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTH 7 TO 16 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............75 67 63 60 57 55 RH..............36 45 50 55 64 69 20 FT WIND......S 5 S 4 S 4 S 4 S 3 SE 3 20 FT WIND GUST.10 10 10 10 10 10 MIX HGT (FT)....2200 800 100 300 300 200 TRANSPORT WIND..S 16 S 12 S 10 S 10 S 9 S 8 CWR.............0 0 0 0 0 0 HAINES INDEX....4 4 4 4 4 4 .FRIDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....81. MIN HUMIDITY........31 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 11 MPH. 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.......300-2100 FT AGL INCREASING TO 2500-4000 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTH 8 TO 13 MPH INCREASING TO 15 TO 23 MPH EARLY IN THE MORNING. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........CLEAR MCLEAR MCLEAR PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............54 66 76 80 RH..............74 56 39 31 20 FT WIND......SE 3G10 S 6G10 S 8G15 S 9G15 MIX HGT (FT)....300 1600 2900 4000 TRANSPORT WIND..S 8 S 23 S 20 S 20 CWR.............0 0 0 0 HAINES INDEX....4 4 4 5 $$ FORECASTER...YORK REQUESTED BY...BARBARA WYSOCK TYPE OF REQUEST...PRESCRIBED .TAG 20100401.DEVIL.01/PAH