FNUS73 KDMX 121248 FWSDMX SPOT FORECAST FOR DOGLEG RX BURN...U.S. FISH & WILDLIFE NATIONAL WEATHER SERVICE DES MOINES IA 748 AM CDT MON APR 12 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... WINDS WILL TURN TO SOUTHEAST AND SOUTH BY THIS AFTERNOON AND INCREASE TO 15 TO 20 MPH AT TIMES...WITH INTERMITTENT HIGHER GUSTS. THE RELATIVE HUMIDITY WILL DROP INTO THE UPPER 30S TO LOWER 40S BY THIS AFTERNOON. SMOKE DISPERSAL WILL BECOME EXCELLENT TODAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........40 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 11 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200 FT AGL INCREASING TO 6400 FT AGL. MIXING WINDS........SOUTH 10 TO 18 MPH INCREASING TO 22 TO 25 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (7900 KNOT-FT) INCREASING TO EXCELLENT (141700 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........45 44 43 42 42 42 42 41 41 WEATHER COV..... WEATHER TYPE.... TEMP............62 65 69 72 73 75 76 75 74 RH..............58 54 49 46 44 41 40 41 43 EYE LVL WND DIR.SE S S S S S S S S EYE LVL WND SPD.7 8 9 9 9 9 8 8 7 EYE LVL WND GST.15 15 20 20 20 20 15 15 15 MIX HGT (KFT)...1.2 2.5 3.8 5.1 5.5 6.0 6.4 5.8 5.1 MIXNG WIND DIR..SE SE S S S S S S S MIXNG WIND SPD..12 15 18 22 24 25 25 24 22 HAINES INDEX....4 4 5 5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....AROUND 55. MAX HUMIDITY........77 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 8 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4500 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 13 TO 20 MPH DECREASING TO 7 TO 9 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....GOOD (75900 KNOT-FT) DECREASING TO POOR (2300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........41 34 26 19 21 24 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............73 68 64 61 59 58 RH..............44 54 63 70 75 75 EYE LEVEL WIND..S 6 S 6 S 6 S 6 S 5 S 5 EYE LEVEL WIND..15 10 10 10 10 10 MIX HGT (FT)....4500 1700 300 300 300 300 MIXNG WIND......S 20 S 13 S 8 S 9 S 8 S 7 HAINES INDEX....4 5 5 5 4 4 .TUESDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........38 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 15 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 6700 FT AGL. MIXING WINDS........SOUTHWEST 7 TO 16 MPH SHIFTING TO THE SOUTH 17 TO 24 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (59600 KNOT-FT) INCREASING TO EXCELLENT (133900 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........26 23 19 19 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............56 67 75 79 RH..............77 56 45 38 EYE LEVEL WIND..S 5G10 S 6G15 S 10G25 S 12G25 MIX HGT (FT)....400 1900 5900 6700 MIXNG WIND......SE 7 S 13 SW 16 S 20 HAINES INDEX....4 3 3 4 $$ FORECASTER...DONAVON REQUESTED BY...JIM KRIZMAN TYPE OF REQUEST...PRESCRIBED .TAG 20100412.DOGLE.01/DMX