FNUS73 KDMX 181315 FWSDMX SPOT FORECAST FOR USR...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 815 AM CDT SUN APR 18 2010 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 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... MUCH LIKE THE PAST FEW DAYS...FAIR WEATHER AND SEASONAL TEMPERATURES ARE EXPECTED TODAY AS HIGH PRESSURE REMAINS IN PLACE OVER THE MIDWEST AND GREAT LAKES. MIXING WILL BE DEEP DURING PEAK HEATING OF THE AFTERNOON ALONG WITH LOW HUMIDITY...BUT WITH LIGHT WINDS AT THE SURFACE AND ALOFT. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........56 AT IGNITION...MAX 67. MIN HUMIDITY........44 PERCENT AT IGNITION...MIN 21 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 7500 FT AGL. MIXING WINDS........EAST 2 TO 3 MPH SHIFTING TO THE SOUTHWEST AROUND 1 MPH LATE IN THE MORNING...THEN SHIFTING TO THE NORTH EARLY IN THE AFTERNOON. SMOKE DISPERSAL.....MARGINAL (30600 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........9 9 9 8 10 14 18 22 26 WEATHER COV..... WEATHER TYPE.... TEMP............52 56 59 61 63 65 66 65 64 RH..............44 35 30 26 24 22 21 22 23 EYE LVL WND DIR.NW NW NW NW NW N N N N EYE LVL WND SPD.2 2 2 2 2 3 3 3 2 EYE LVL WND GST. 5 5 5 5 5 5 5 MIX HGT (KFT)...0.3 2.2 4.2 6.1 6.6 7.0 7.5 7.1 6.7 MIXNG WIND DIR..NE E S SW SW W NW NW N MIXNG WIND SPD..2 2 1 1 1 2 3 5 6 HAINES INDEX....5 5 6 6 6 6 6 6 6 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....38. MAX HUMIDITY........79 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........28 28 27 26 28 31 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 55 50 47 44 42 RH..............25 35 46 53 62 70 EYE LEVEL WIND..NE 2 NE 2 E 2 SE 2 SE 2 SE 3 EYE LEVEL WIND..5 5 5 5 5 5 .MONDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....70. MIN HUMIDITY........27 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......500 FT AGL INCREASING TO 8800 FT AGL. MIXING WINDS........SOUTH 3 TO 5 MPH INCREASING TO 5 TO 7 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....FAIR (48300 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........33 33 32 38 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............40 54 64 69 RH..............79 46 32 27 EYE LEVEL WIND..SE 3G5 SE 3G5 SE 3G5 SE 3G5 MIX HGT (FT)....300 500 7200 8800 MIXNG WIND......SE 3 W 6 SW 5 S 6 HAINES INDEX....5 5 5 5 $$ FORECASTER...MOYER REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20100418.USR__.01/DMX