FNUS73 KDMX 051132 FWSDMX SPOT FORECAST FOR MALLARD SOUTH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 632 AM CDT WED MAY 5 2010 FORECAST IS BASED ON IGNITION TIME OF 0730 CDT ON MAY 05. 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. ...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... .DISCUSSION... WINDS WILL INCREASE SUBSTANTIALLY THIS MORNING...REACHING SPEEDS OF NEAR 30 MPH WITH GUSTS IN EXCESS OF 40 MPH AT TIMES BY LATE MORNING. RELATIVE HUMIDITY WILL DROP RAPIDLY IN THE MORNING...BOTTOMING OUT AROUND 30 PERCENT IN THE AFTERNOON. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). TEMPERATURE.........47 AT IGNITION...MAX 61. MIN HUMIDITY........68 PERCENT AT IGNITION...MIN 32 PERCENT. WIND (EYE LEVEL)....BREEZY. WEST WINDS 12 TO 21 MPH SHIFTING TO THE NORTHWEST 18 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 8500 FT AGL. MIXING WINDS........WEST 15 TO 22 MPH INCREASING TO 30 TO 39 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....GOOD (78800 KNOT-FT) INCREASING TO EXCELLENT (221800 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........5 8 13 19 24 29 32 32 32 32 35 42 WEATHER COV..... WEATHER TYPE.... TEMP............44 47 51 54 56 57 57 59 60 61 61 58 RH..............68 58 50 43 38 37 35 33 32 32 32 36 EYE LVL WND DIR.W W W W W W W W W W W NW EYE LVL WND SPD.10 13 14 17 18 20 20 20 19 18 16 14 EYE LVL WND GST.20 30 30 35 40 40 40 40 40 40 35 30 MIX HGT (KFT)...0.3 1.6 2.9 4.2 5.1 5.9 6.7 7.3 7.9 8.5 8.0 7.4 MIXNG WIND DIR..W W W W W W W W W W W W MIXNG WIND SPD..15 22 31 38 39 37 33 32 31 30 31 31 HAINES INDEX....5 5 4 4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....37. MAX HUMIDITY........82 PERCENT. WIND (EYE LEVEL)....NORTHWEST WINDS 8 TO 17 MPH SHIFTING TO THE NORTH 6 TO 7 MPH LATE IN THE EVENING. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6800 FT AGL DECREASING TO 600 FT AGL. MIXING WINDS........NORTHWEST 24 TO 31 MPH BECOMING NORTH 9 TO 10 MPH. SMOKE DISPERSAL.....EXCELLENT (184000 KNOT-FT) DECREASING TO POOR (10700 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........45 36 29 18 33 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............57 51 45 42 38 37 RH..............37 46 60 67 79 82 EYE LEVEL WIND..NW 14 NW 9 NW 6 NW 6 N 5 N 5 EYE LEVEL WIND..30 20 15 10 10 MIX HGT (FT)....6800 2700 500 300 300 400 MIXNG WIND......W 31 NW 24 NW 17 NW 14 N 13 N 10 HAINES INDEX....4 3 3 3 3 3 .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....56. MIN HUMIDITY........51 PERCENT. WIND (EYE LEVEL)....EAST WINDS 6 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 2700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 8 TO 16 MPH INCREASING TO AROUND 18 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (43700 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........69 73 78 87 WEATHER COV.....S CHC S CHC CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............38 39 42 53 RH..............79 79 73 52 EYE LEVEL WIND..N 5 E 6G15 SE 8G15 E 8G15 MIX HGT (FT)....700 1300 1400 2700 MIXNG WIND......N 8 NE 13 SE 9 E 14 HAINES INDEX....2 4 3 5 $$ FORECASTER...LEE REQUESTED BY...DAN PAULSON TYPE OF REQUEST...PRESCRIBED .TAG 20100505.MALLA.02/DMX