FNUS73 KDMX 121311 FWSDMX SPOT FORECAST FOR CRANE LAKE...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 811 AM CDT TUE MAY 12 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 12. 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... SKIES WILL BECOME MOSTLY CLOUDY LATER THIS MORNING WITH INCREASING SOUTH WINDS AHEAD OF AN APPROACHING PLAINS FRONTAL SYSTEM. GUSTS MAY ECLIPSE 40 MPH LATER THIS AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........47 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 23 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 6000 FT AGL. MIXING WINDS........SOUTH 12 TO 18 MPH INCREASING TO 39 TO 45 MPH. SMOKE DISPERSAL.....EXCELLENT (70800 KNOT-FT) INCREASING TO EXCELLENT (221300 KNOT-FT). TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........64 70 75 80 83 83 84 85 85 86 WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW TEMP............58 61 62 64 65 66 67 67 67 67 RH..............59 53 52 50 48 47 47 47 47 47 EYE LVL WND DIR.S S S S S S S S S S EYE LVL WND SPD.14 15 17 18 18 18 18 18 18 18 EYE LVL WND GST.30 30 35 35 40 40 40 40 40 40 MIX HGT (KFT)...3.0 4.2 4.6 5.1 5.6 5.7 5.9 6.0 5.4 4.8 MIXNG WIND DIR..S S S S S S S S S S MIXNG WIND SPD..28 35 36 35 33 36 39 43 45 45 HAINES INDEX....4 4 4 4 4 4 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........80 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 23 MPH DECREASING TO AROUND 13 MPH EARLY IN THE MORNING. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4200 FT AGL DECREASING TO 2200 FT AGL AFTER MIDNIGHT. MIXING WINDS........SOUTH 38 TO 44 MPH DECREASING TO 18 TO 22 MPH. SMOKE DISPERSAL.....EXCELLENT (160600 KNOT-FT) DECREASING TO EXCELLENT (66300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........87 79 77 75 80 86 WEATHER COV.....S CHC S CHC S CHC LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 63 62 60 59 58 RH..............50 58 65 72 75 80 EYE LEVEL WIND..S 18 S 17 S 16 S 14 S 13 S 11 EYE LEVEL WIND..40 35 35 30 30 25 MIX HGT (FT)....4200 3300 2700 2200 1900 1500 MIXNG WIND......S 44 S 32 S 26 S 29 S 22 S 18 HAINES INDEX....3 2 2 2 2 2 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........41 PERCENT. EYE LEVEL WINDS.....WEST WINDS 13 TO 22 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000 FT AGL INCREASING TO 6300 FT AGL. MIXING WINDS........WEST 17 TO 26 MPH INCREASING TO AROUND 30 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (80000 KNOT-FT) INCREASING TO EXCELLENT (165200 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........90 78 66 58 WEATHER COV.....CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR NONE NONE TEMP............58 63 66 67 RH..............80 62 52 43 EYE LEVEL WIND..S 10G25 SW 12G25 W 14G30 W 17G35 MIX HGT (FT)....1100 1700 3700 4900 MIXNG WIND......S 20 SW 20 W 17 W 23 HAINES INDEX....2 3 3 4 $$ FORECASTER...SMALL REQUESTED BY...DAVE WHITE TYPE OF REQUEST...PRESCRIBED .TAG 20090512.CRANE.01/DMX