FNUS73 KDMX 011344 FWSDMX SPOT FORECAST FOR MT AYR TIMBER...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 844 AM CDT THU APR 1 2010 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 01. 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... MUCH LIKE THE PAST FEW DAYS...BREEZY SOUTH WINDS AND DRYING CONDITIONS WILL OCCUR AGAIN TODAY. ALTHOUGH THE MIXING HEIGHT WILL NOT BE EXTREME...WINDS WITHIN THAT MIXED LAYER WILL GUST WELL ABOVE 30 MPH...POSSIBLY T0 40 MPH OUTSIDE OF HOURLY FORECAST INTERVALS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........35 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 8 TO 17 MPH INCREASING TO 17 TO 18 MPH LATE IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 3400 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 10 TO 18 MPH INCREASING TO AROUND 32 MPH. SMOKE DISPERSAL.....GOOD (69500 KNOT-FT) INCREASING TO GOOD (80400 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........38 37 37 36 36 35 36 38 39 40 WEATHER COV..... WEATHER TYPE.... TEMP............64 68 72 75 78 79 81 82 81 80 RH..............65 54 46 43 39 38 37 35 37 39 EYE LVL WND DIR.S S S S S S S S S S EYE LVL WND SPD.9 10 10 10 11 13 14 14 14 14 EYE LVL WND GST.20 20 25 25 30 30 30 35 35 35 MIX HGT (KFT)...0.5 0.3 1.0 1.7 2.4 2.7 3.0 3.4 3.1 2.8 MIXNG WIND DIR..S S S S S S S S S S MIXNG WIND SPD..15 18 21 23 24 25 26 28 30 32 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 59. MAX HUMIDITY........75 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 13 TO 18 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL. MIXING WINDS........SOUTH 24 TO 33 MPH DECREASING TO 22 TO 23 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....GOOD (73300 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........41 43 45 46 53 63 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............78 73 69 67 64 63 RH..............42 48 55 61 67 67 EYE LEVEL WIND..S 14 S 14 S 14 S 14 S 11 S 10 EYE LEVEL WIND..30 30 30 30 25 25 MIX HGT (FT)....2500 2400 2200 1800 1700 1500 MIXNG WIND......S 33 S 30 S 26 S 24 S 22 S 22 HAINES INDEX....4 4 4 3 2 2 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS IN THE MORNING. SHOWERS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........58 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 5 TO 14 MPH SHIFTING TO THE WEST AROUND 12 MPH LATE IN THE AFTERNOON. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3100 FT AGL INCREASING TO 4500 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 17 TO 25 MPH SHIFTING TO THE SOUTHWEST 10 TO 13 MPH EARLY IN THE AFTERNOON...THEN SHIFTING TO THE WEST AROUND 14 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (64600 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........70 78 87 93 WEATHER COV.....CHANCE CHANCE LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............61 62 65 66 RH..............72 70 63 58 EYE LEVEL WIND..S 10G25 S 11G25 S 10G20 SE 4G5 MIX HGT (FT)....1200 2600 3400 4100 MIXNG WIND......S 22 S 25 S 22 S 10 HAINES INDEX....2 3 3 3 $$ FORECASTER...SMALL REQUESTED BY...NATURAL RESOURCE TECH TYPE OF REQUEST...PRESCRIBED .TAG 20100401.MTAYR.01/DMX