FNUS73 KDMX 201506 FWSDMX SPOT FORECAST FOR BLACKMUN...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 1006 AM CDT TUE APR 20 2010 FORECAST IS BASED ON IGNITION TIME OF 1430 CDT ON APRIL 20. 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... HIGH PRESSURE WILL BRING LIGHT WINDS AND A FEW HIGH CLOUDS TO THE STATE TODAY AND TONIGHT. WINDS WILL GENERALLY BE SOUTH TO SOUTHWEST THROUGHOUT THE DAY AT AROUND 5 MPH OR LESS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). TEMPERATURE.........69 AT IGNITION...MAX 71. MIN HUMIDITY........32 PERCENT AT IGNITION...MIN 29 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 10600 FT AGL. MIXING WINDS........SOUTHWEST 2 TO 3 MPH SHIFTING TO THE NORTHWEST 1 TO 5 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....MARGINAL (33400 KNOT-FT). TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........46 45 45 44 43 WEATHER COV..... WEATHER TYPE.... TEMP............67 69 70 69 68 RH..............32 30 29 30 31 EYE LVL WND DIR.S SW SW SW SW EYE LVL WND SPD.2 2 2 2 2 EYE LVL WND GST.5 MIX HGT (KFT)...9.0 9.8 11 10 9.5 MIXNG WIND DIR..N NW NW NW NW MIXNG WIND SPD..1 1 2 3 5 HAINES INDEX....5 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). MIN TEMPERATURE.....44. MAX HUMIDITY........79 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......9000 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTHWEST AROUND 5 MPH DECREASING TO 3 TO 5 MPH EARLY IN THE EVENING. SMOKE DISPERSAL.....MARGINAL (35900 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........43 45 47 48 48 47 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............67 60 56 52 49 48 RH..............32 42 51 61 68 74 EYE LEVEL WIND..W 2 SW 2 SW 2 SW 2 W 2 W 2 EYE LEVEL WIND.. 5 5 5 MIX HGT (FT)....9000 3200 300 300 300 300 MIXNG WIND......NW 5 SW 3 S 3 SW 3 W 3 NW 3 HAINES INDEX....5 5 5 5 5 5 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....71. MIN HUMIDITY........35 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 3700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5800 FT AGL LATE IN THE MORNING INCREASING TO 9000 FT AGL EARLY IN THE AFTERNOON INCREASING TO 11000 FT AGL DECREASING TO 9000 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTH 2 TO 5 MPH. SMOKE DISPERSAL.....MARGINAL (33200 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........47 48 49 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............46 57 66 70 RH..............79 55 42 35 EYE LEVEL WIND..NW 2G5 N 3G5 N 3G5 NW 4G5 MIX HGT (FT)....300 1500 8000 11000 MIXNG WIND......N 5 N 5 N 5 NW 3 HAINES INDEX....5 5 5 5 $$ FORECASTER...LEE REQUESTED BY...JUSTIN CLARK TYPE OF REQUEST...PRESCRIBED .TAG 20100420.BLACK.01/DMX