FNUS73 KDMX 160016 FWSDMX SPOT FORECAST FOR WAPITI...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 716 PM CDT FRI MAY 15 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 16. 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... EXPECT BREEZY NORTHWEST WINDS ALL DAY ON SATURDAY. SUNNY SKIES AND DRIER CONDITIONS WILL BE IN PLACE. .SATURDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........26 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 15 TO 17 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3900 FT AGL INCREASING TO 7600 FT AGL. MIXING WINDS........NORTHWEST 20 TO 29 MPH. SMOKE DISPERSAL.....EXCELLENT (138500 KNOT-FT) INCREASING TO EXCELLENT (152400 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........13 13 13 12 12 11 10 WEATHER COV..... WEATHER TYPE.... TEMP............54 56 57 58 59 58 57 RH..............38 32 30 28 26 27 27 EYE LVL WND DIR.NW NW NW NW NW NW NW EYE LVL WND SPD.14 14 14 14 14 14 12 EYE LVL WND GST.30 30 30 30 30 30 25 MIX HGT (KFT)...5.0 5.5 6.2 6.9 7.6 7.1 6.5 MIXNG WIND DIR..NW NW NW NW NW NW NW MIXNG WIND SPD..22 22 23 23 23 22 20 HAINES INDEX....5 5 5 5 5 5 6 .SATURDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). AREAS OF FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........82 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 13 MPH EARLY IN THE EVENING BECOMING LIGHT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6000 FT AGL DECREASING TO 2200 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTH 8 TO 17 MPH SHIFTING TO THE SOUTH 1 TO 5 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....EXCELLENT (89800 KNOT-FT) DECREASING TO POOR (1000 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........10 12 16 18 20 24 WEATHER COV..... AREAS AREAS WEATHER TYPE....NONE NONE NONE NONE FROST FROST TEMP............56 49 43 40 36 35 RH..............27 39 53 62 72 78 EYE LEVEL WIND..NW 10 N 6 N 3 N 2 W 2 W 2 EYE LEVEL WIND..25 10 5 5 MIX HGT (FT)....6000 2200 300 300 300 300 MIXNG WIND......NW 17 N 8 N 2 NE 1 SE 2 S 3 HAINES INDEX....6 5 5 5 5 5 .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........29 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 6 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1300 FT AGL INCREASING TO 7600 FT AGL. MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO 16 TO 24 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (23700 KNOT-FT) INCREASING TO EXCELLENT (144600 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........26 36 46 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............35 51 60 65 RH..............82 54 35 29 EYE LEVEL WIND..S 3G5 SW 6G15 SW 9G20 S 10G20 MIX HGT (FT)....300 3300 6500 7600 MIXNG WIND......S 6 S 15 SW 18 S 22 HAINES INDEX....5 5 4 3 $$ FORECASTER...DONAVON REQUESTED BY...RICHARD R JOHNSON TYPE OF REQUEST...PRESCRIBED .TAG 20090516.WAPIT.01/DMX