FNUS73 KDMX 181350 FWSDMX SPOT FORECAST FOR ANDERSON PRAIRIE...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 850 AM CDT MON MAY 18 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 18. 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... EXPECT MOSTLY SUNNY CONDITIONS TODAY WITH TIGHT PRESSURE GRADIENT PRODUCING MODERATE TO STRONG SOUTHERLY WINDS. THE WINDS WILL PERSIST INTO TONIGHT AND TUESDAY WITH LITTLE THREAT OF RAINFALL AT THIS POINT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). TEMPERATURE.........69 AT IGNITION...MAX 81. RH..................39 PERCENT AT IGNITION...MIN 31 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 18 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2900 FT AGL INCREASING TO 3500 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 17 TO 25 MPH. SMOKE DISPERSAL.....EXCELLENT (65300 KNOT-FT). TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........34 30 28 27 25 23 20 18 WEATHER COV..... WEATHER TYPE.... TEMP............69 72 75 77 78 79 79 78 RH..............39 37 34 32 32 31 31 32 EYE LVL WND DIR.S S S S S S S S EYE LVL WND SPD.14 14 14 14 14 13 13 13 EYE LVL WND GST.30 30 30 30 30 30 25 30 MIX HGT (KFT)...2.7 2.8 2.9 3.1 3.3 3.5 3.2 3.0 MIXNG WIND DIR..SW S S S S S S S MIXNG WIND SPD..21 20 18 17 17 18 22 25 HAINES INDEX....4 4 4 4 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). TEMPERATURE.........MIN 55. RH..................MAX 67 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 12 TO 16 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2800 FT AGL DECREASING TO 500 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTH 18 TO 26 MPH DECREASING TO 15 TO 22 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....EXCELLENT (64400 KNOT-FT) DECREASING TO POOR (9100 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........13 30 47 52 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............77 67 63 58 RH..............35 50 58 67 EYE LEVEL WIND..S 13G30 S 10G20 S 10G20 S 10G20 MIX HGT (FT)....2800 400 500 300 MIXNG WIND......S 26 S 15 S 22 S 21 HAINES INDEX....5 4 4 4 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). TEMPERATURE.........MAX 87. RH..................MIN 29 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 12 TO 18 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 3600 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTHWEST 14 TO 22 MPH INCREASING TO SOUTH 26 TO 31 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (62800 KNOT-FT) INCREASING TO EXCELLENT (85900 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........57 58 59 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............58 73 81 86 RH..............64 37 33 29 EYE LEVEL WIND..S 10G20 S 10G20 S 10G20 S 14G30 MIX HGT (FT)....300 2000 2800 3600 MIXNG WIND......SW 22 SW 20 SW 14 S 26 HAINES INDEX....4 4 5 5 $$ FORECASTER...COGIL REQUESTED BY...DAVE WHITE TYPE OF REQUEST...PRESCRIBED .TAG 20090518.ANDER.01/DMX