FNUS73 KDMX 211149 FWSDMX SPOT FORECAST FOR MINER...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 649 AM CDT WED APR 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 21. 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... A WEAK BOUNDARY WILL DRIFT SOUTHWARD TODAY BRINGING A WIND SHIFT TO THE NORTH NORTHWEST DURING THE MORNING HOURS. SURFACE WINDS LOOK TO RANGE AROUND 5 MPH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........57 AT IGNITION...MAX 70. MIN HUMIDITY........47 PERCENT AT IGNITION...MIN 29 PERCENT. WIND (EYE LEVEL)....NORTHWEST WINDS AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING NORTH 5 TO 6 MPH IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1100 FT AGL INCREASING TO 3500 FT AGL LATE IN THE MORNING...THEN INCREASING TO 6000 FT AGL LATE IN THE MORNING INCREASING TO 10200 FT AGL EARLY IN THE AFTERNOON INCREASING TO 11000 FT AGL DECREASING TO 8700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTH 3 TO 7 MPH. SMOKE DISPERSAL.....FAIR (46000 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........34 35 36 36 37 37 37 38 38 WEATHER COV..... WEATHER TYPE.... TEMP............57 60 63 65 66 68 69 68 67 RH..............47 42 36 34 33 31 30 29 30 EYE LVL WND DIR.NW NW N N N N N N N EYE LVL WND SPD.2 2 3 4 5 5 5 5 5 EYE LVL WND GST.5 5 5 5 10 10 10 10 MIX HGT (KFT)...1.1 3.5 6.0 8.4 9.3 10 11 9.9 8.7 MIXNG WIND DIR..W NW NW N N N N N N MIXNG WIND SPD..6 5 3 3 3 3 5 6 6 HAINES INDEX....5 5 6 6 6 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). MIN TEMPERATURE.....42. MAX HUMIDITY........82 PERCENT. WIND (EYE LEVEL)....NORTHEAST WINDS 5 TO 7 MPH UNTIL EARLY MORNING BECOMING LIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........38 31 22 15 17 18 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............66 58 54 51 48 46 RH..............32 44 52 61 68 76 EYE LEVEL WIND..N 5 NE 5 NE 6 NE 5 NE 4 NE 3 EYE LEVEL WIND.. 10 10 10 5 5 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....71. MIN HUMIDITY........32 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 8500 FT AGL. MIXING WINDS........SOUTHWEST 3 TO 6 MPH. SMOKE DISPERSAL.....MARGINAL (36500 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........16 21 29 36 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............44 56 65 70 RH..............82 53 38 32 EYE LEVEL WIND..NE 3G5 E 3G5 SE 6G15 SE 6G15 MIX HGT (FT)....300 1800 6700 8500 MIXNG WIND......E 5 SE 3 SW 6 SW 5 HAINES INDEX....3 4 4 5 $$ FORECASTER...PODRAZIK REQUESTED BY...BLAKE KNISLEY TYPE OF REQUEST...PRESCRIBED .TAG 20100421.MINER.01/DMX