FNUS73 KDMX 111408 FWSDMX SPOT FORECAST FOR BLUESTEM WPA...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 908 AM CDT MON MAY 11 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 11. 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 CENTERED OVER IOWA THIS MORNING WILL MOVE SOUTHEAST TODAY AND SOUTHERLY SURFACE WINDS WILL RETURN AND INCREASE DURING THE AFTERNOON. MOISTURE INCREASES TUESDAY AS DOES THE CHANCE FOR RAIN. A COLD FRONT WILL APPROACH AND MOVE THROUGH THE REGION WEDNESDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........61 AT IGNITION...MAX 69. RH..................41 PERCENT AT IGNITION...MIN 32 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH EARLY IN THE MORNING. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3800 FT AGL EARLY IN THE MORNING...INCREASING TO 6000 FT AGL LATE IN THE MORNING INCREASING TO 8900 FT AGL EARLY IN THE AFTERNOON INCREASING TO 9900 FT AGL...THEN DECREASING TO 7500 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 2 TO 3 MPH INCREASING TO AROUND 13 MPH. SMOKE DISPERSAL.....EXCELLENT (67600 KNOT-FT) INCREASING TO EXCELLENT (89400 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........34 35 36 37 39 41 42 WEATHER COV..... WEATHER TYPE.... TEMP............61 64 65 67 68 67 67 RH..............41 37 35 33 32 33 33 EYE LVL WND DIR.S S S S S S S EYE LVL WND SPD.5 5 6 6 7 7 7 EYE LVL WND GST.10 10 10 15 15 15 15 MIX HGT (KFT)...6.0 7.0 8.0 8.9 9.9 8.7 7.5 MIXNG WIND DIR..SW SW SW SW SW SW S MIXNG WIND SPD..5 6 7 9 10 12 13 HAINES INDEX....4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). TEMPERATURE.........MIN 49. RH..................MAX 71 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6300 FT AGL DECREASING TO 600 FT AGL. MIXING WINDS........SOUTH 13 TO 16 MPH. SMOKE DISPERSAL.....EXCELLENT (76200 KNOT-FT) DECREASING TO POOR (8300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........43 48 54 59 59 60 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............66 61 57 55 52 51 RH..............34 42 51 57 66 68 EYE LEVEL WIND..S 7 S 7 S 7 S 7 S 7 S 8 EYE LEVEL WIND..15 15 15 15 15 15 MIX HGT (FT)....6300 2600 800 700 400 300 MIXNG WIND......S 14 S 13 S 13 S 13 S 13 S 14 HAINES INDEX....4 4 4 3 3 3 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). TEMPERATURE.........MAX 69. RH..................MIN 47 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 11 TO 20 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 5200 FT AGL. MIXING WINDS........SOUTH 20 TO 28 MPH INCREASING TO 41 TO 43 MPH. SMOKE DISPERSAL.....EXCELLENT (70200 KNOT-FT) INCREASING TO EXCELLENT (191600 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........61 68 76 72 WEATHER COV.....S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............51 60 65 68 RH..............71 55 52 49 EYE LEVEL WIND..S 9G20 S 13G25 S 15G35 S 16G35 MIX HGT (FT)....300 4200 4900 5200 MIXNG WIND......S 20 S 31 S 32 S 43 HAINES INDEX....3 3 4 4 $$ FORECASTER...MOYER REQUESTED BY...RICHARD R JOHNSON TYPE OF REQUEST...PRESCRIBED .TAG 20090511.BLUES.01/DMX