FNUS73 KDMX 081852 FWSDMX SPOT FORECAST FOR RATHBUN...US COE NATIONAL WEATHER SERVICE DES MOINES IA 1252 PM CST THU MAR 8 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON MARCH 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... SURFACE HIGH PRESSURE WILL BUILD INTO STATE FRIDAY MORNING AND PROVIDE MOSTLY SUNNY SKIES WITH DRY CONDITIONS. EXPECT LIGHT NORTH WINDS THROUGH MUCH OF THE MORNING HOURS FRIDAY BEFORE SHIFTING NORTHEAST BY AROUND MIDDAY. HOWEVER...THEY LOOK TO REMAIN UNDER 10 MPH ON FRIDAY. .FRIDAY... TEMPERATURE.........37 AT IGNITION...MAX 50. RH..................54 PERCENT AT IGNITION...MIN 36 PERCENT. EYE LEVEL WINDS.....EAST WINDS 5 TO 7 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 4300 FT AGL LATE IN THE MORNING. MIXING WINDS........NORTH 8 TO 16 MPH SHIFTING TO THE NORTHEAST 3 TO 5 MPH EARLY IN THE AFTERNOON...THEN SHIFTING TO THE EAST AROUND 5 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....MARGINAL (34000 KNOT-FT). WIND (20 FT)........WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE EAST WINDS 5 TO 7 MPH. TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........M M M M M M M M WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............37 41 44 46 47 49 48 47 RH..............54 46 41 38 38 36 37 40 20 FT WIND DIR..N N NE NE E E E SE 20 FT WIND SPD..6 6 6 6 5 5 5 6 20 FT WIND GUST. EYE LVL WND DIR.N N NE NE E E E SE EYE LVL WND SPD.4 4 4 4 4 4 4 4 EYE LVL WND GST. MIX HGT (KFT)...2.5 3.0 3.5 3.8 4.0 4.3 3.8 3.4 MIXNG WIND DIR..N N N N N N NE E MIXNG WIND SPD..15 13 10 8 5 3 3 5 HAINES INDEX....4 3 3 3 3 3 3 3 .FRIDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT). TEMPERATURE.........MIN 32. RH..................MAX 72 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 12 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000 FT AGL DECREASING TO 600 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTH 6 TO 14 MPH. SMOKE DISPERSAL.....POOR (14800 KNOT-FT). WIND (20 FT)........SOUTH WINDS 6 TO 12 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........9 9 6 2 4 5 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............46 42 40 38 36 35 RH..............42 50 55 62 69 69 20 FT WIND......SE 6 SE 8 SE 9 S 10 S 10 S 10 20 FT WIND GUST. 10 15 15 EYE LEVEL WIND..SE 4 SE 6 SE 6 S 7 S 7 S 7 EYE LVL WND GST. 10 15 15 MIX HGT (FT)....3000 1400 600 600 600 500 MIXNG WIND......SE 6 SE 7 SE 9 S 10 S 13 S 14 HAINES INDEX....3 4 4 5 5 5 $$ FORECASTER...PODRAZIK REQUESTED BY...JOHN PASA TYPE OF REQUEST...PRESCRIBED .TAG 20120309.RATHB.01/DMX