FNUS73 KDMX 202115 FWSDMX SPOT FORECAST FOR MAYNARD REECE EAST...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 415 PM CDT WED MAY 20 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 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. ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .DISCUSSION... CONDITIONS WILL BE MUCH DIFFERENT ACROSS THE FORECAST AREA ON THURSDAY VERSUS WHAT OCCURRED WEDNESDAY. A FRONTAL BOUNDARY EXTENDING FROM NEBRASKA THROUGH SOUTH DAKOTA AND MINNESOTA WILL REACH NORTHERN IOWA THURSDAY MORNING. THIS WILL RESULT IN NORTHERLY WINDS AT LESSER SPEEDS AND MIXING...ALONG WITH HIGHER HUMIDITY LEVELS AND CHANCES FOR SHOWERS AND A FEW THUNDERSTORMS. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). ISOLATED THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS THROUGH THE DAY. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........42 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 9 TO 14 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4100 FT AGL INCREASING TO 4700 FT AGL LATE IN THE MORNING. MIXING WINDS........NORTHWEST 12 TO 17 MPH INCREASING TO NORTHEAST 20 TO 29 MPH EARLY IN THE MORNING...THEN DECREASING TO AROUND 18 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (67700 KNOT-FT) INCREASING TO EXCELLENT (103100 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........86 88 89 90 89 87 85 82 80 WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC WEATHER TYPE....RW RW RW RW RW RW RW RW RW TEMP............65 66 67 67 68 68 68 68 67 RH..............56 52 50 49 45 45 43 42 43 EYE LVL WND DIR.N N N N N N N N N EYE LVL WND SPD.9 10 10 11 11 10 10 9 9 EYE LVL WND GST.20 20 25 25 25 25 20 20 20 MIX HGT (KFT)...3.8 4.1 4.4 4.7 4.7 4.7 4.7 4.4 4.2 MIXNG WIND DIR..N NE NE NE NE NE NE NE NE MIXNG WIND SPD..29 29 26 24 22 20 18 18 18 HAINES INDEX....3 3 3 3 3 3 3 3 3 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....AROUND 48. MAX HUMIDITY........77 PERCENT. EYE LEVEL WINDS.....EAST WINDS 5 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3900 FT AGL DECREASING TO 1500 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 8 TO 17 MPH. SMOKE DISPERSAL.....GOOD (58700 KNOT-FT) DECREASING TO POOR (2300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........79 76 71 68 66 65 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 60 57 54 51 50 RH..............43 53 62 69 77 77 EYE LEVEL WIND..N 8 NE 6 NE 5 E 5 E 4 E 4 EYE LEVEL WIND..15 15 10 5 5 MIX HGT (FT)....3900 1500 300 300 300 300 MIXNG WIND......NE 17 NE 12 NE 8 E 9 E 9 SE 9 HAINES INDEX....3 4 4 4 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN SHOWERS. MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........47 PERCENT. EYE LEVEL WINDS.....EAST WINDS 6 TO 10 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 3100 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTH 10 TO 17 MPH. SMOKE DISPERSAL.....GOOD (43300 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........64 72 80 80 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............51 59 64 67 RH..............74 60 52 47 EYE LEVEL WIND..E 5 E 6G15 SE 8G15 E 8G15 MIX HGT (FT)....300 2300 3100 3100 MIXNG WIND......E 12 SE 16 SE 16 SE 10 HAINES INDEX....2 2 3 3 $$ FORECASTER...SMALL REQUESTED BY...RICHARD R JOHNSON TYPE OF REQUEST...PRESCRIBED .TAG 20090521.MAYNA.01/DMX