FNUS73 KDMX 261054 FWSDMX SPOT FORECAST FOR SNAKE CK...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 554 AM CDT FRI APR 26 2013 FORECAST IS BASED ON IGNITION TIME OF 1805 CDT ON APRIL 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). TEMPERATURE.........64 AT IGNITION. RH..................56 PERCENT AT IGNITION...MIN 50 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 12 TO 18 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 5600 FT AGL. MIXING WINDS........SOUTH 13 TO 18 MPH SHIFTING TO THE SOUTHWEST 20 TO 25 MPH EARLY IN THE MORNING...THEN DECREASING TO 16 TO 17 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (24400 KNOT-FT) INCREASING TO EXCELLENT (99900 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS SOUTH AT 13 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 12 TO 18 MPH. TIME (CDT) 6PM SKY (%).........53 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............64 RH..............54 20 FT WIND DIR..S 20 FT WIND SPD..13 20 FT WIND GUST.15 EYE LVL WND DIR.S EYE LVL WND SPD.9 EYE LVL WND GST.15 MIX HGT (KFT)...4.2 MIXNG WIND DIR..SW MIXNG WIND SPD..16 HAINES INDEX....3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). TEMPERATURE.........64 AT IGNITION...MIN 47. RH..................56 PERCENT AT IGNITION...MAX 93 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 12 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL DECREASING TO 1300 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 6 TO 15 MPH. SMOKE DISPERSAL.....GOOD (44900 KNOT-FT). WIND (20 FT)........WINDS SOUTH AT 13 MPH AT IGNITION...OTHERWISE SOUTH WINDS 5 TO 12 MPH. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........53 53 52 51 53 56 58 59 62 63 63 64 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............63 61 58 56 54 53 52 50 50 49 48 47 RH..............56 60 64 69 74 77 80 86 83 86 89 93 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..12 10 9 9 8 7 7 6 6 5 5 5 20 FT WIND GUST.15 15 10 10 10 EYE LVL WND DIR.S S S S S S S S S S S S EYE LVL WND SPD.9 7 6 6 6 5 5 4 4 4 4 4 EYE LVL WND GST.15 15 10 10 10 MIX HGT (KFT)...3.5 2.4 1.3 0.3 0.3 0.4 0.5 0.4 0.3 0.3 0.3 0.3 MIXNG WIND DIR..S S S S S S S S S S S S MIXNG WIND SPD..15 13 9 8 9 12 14 14 13 10 8 6 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). TEMPERATURE.........MAX 67. RH..................MIN 52 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 6500 FT AGL. MIXING WINDS........SOUTH 2 TO 5 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1000-23600 KNOT-FT). WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........65 55 45 37 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............48 57 64 67 RH..............89 72 58 52 20 FT WIND......S 5 S 7 S 6 S 6 EYE LEVEL WIND..S 4G5 S 5 S 4G5 S 4G5 MIX HGT (FT)....300 1600 5900 6500 MIXNG WIND......S 5 S 5 SE 5 S 2 HAINES INDEX....3 3 3 3 $$ FORECASTER...COGIL REQUESTED BY...DAN PAULSON TYPE OF REQUEST...PRESCRIBED .TAG 20130426.SNAKE.01/DMX