FNUS73 KDMX 171250 FWSDMX SPOT FORECAST FOR UNION HILLS WPA...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 750 AM CDT SAT APR 17 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 17. 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 PLENTY OF SUNSHINE TODAY WITH CONDITIONS VERY SIMILAR TO FRIDAY. LOW HUMIDITIES AND DECENT MIXING WILL AGAIN OCCUR DURING PEAK HEATING OF THE AFTERNOON...BUT WITH LOWER WIND GUSTS. .TODAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). TEMPERATURE.........47 AT IGNITION...MAX 62. MIN HUMIDITY........42 PERCENT AT IGNITION...MIN 25 PERCENT. WIND (EYE LEVEL)....NORTH WINDS 6 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 6200 FT AGL. MIXING WINDS........NORTH 8 TO 17 MPH. SMOKE DISPERSAL.....GOOD (71400 KNOT-FT) INCREASING TO GOOD (81300 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........0 0 0 0 0 0 0 0 0 WEATHER COV..... WEATHER TYPE.... TEMP............47 51 54 56 58 60 61 60 59 RH..............42 37 35 31 29 26 25 27 28 EYE LVL WND DIR.N NE N N N N N N N EYE LVL WND SPD.6 6 6 6 7 8 8 6 5 EYE LVL WND GST.10 10 10 15 15 15 15 15 10 MIX HGT (KFT)...2.7 3.5 4.2 4.9 5.4 5.8 6.2 5.7 5.1 MIXNG WIND DIR..NE NE N N N N N N N MIXNG WIND SPD..17 16 15 13 13 14 15 15 15 HAINES INDEX....5 5 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). PATCHY FROST EARLY IN THE MORNING. MIN TEMPERATURE.....33. MAX HUMIDITY........69 PERCENT. WIND (EYE LEVEL)....NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHWEST 6 TO 14 MPH. SMOKE DISPERSAL.....GOOD (55200 KNOT-FT) DECREASING TO POOR (1500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........0 0 0 0 3 8 WEATHER COV..... PATCHY WEATHER TYPE....NONE NONE NONE NONE NONE FROST TEMP............58 51 47 44 41 39 RH..............30 39 47 55 61 64 EYE LEVEL WIND..N 4 N 3 NW 2 NW 2 N 2 N 3 EYE LEVEL WIND..5 5 5 5 5 5 MIX HGT (FT)....4600 1700 300 300 300 300 MIXNG WIND......N 14 NW 8 NW 6 W 7 W 7 W 7 HAINES INDEX....5 5 5 5 5 5 .SUNDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....66. MIN HUMIDITY........27 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH EARLY IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......800 FT AGL INCREASING TO 7100 FT AGL. MIXING WINDS........NORTH 6 TO 10 MPH. SMOKE DISPERSAL.....FAIR (46000 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........11 11 10 14 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............37 50 60 65 RH..............69 44 32 27 EYE LEVEL WIND..NE 3G5 N 3G5 N 3G5 N 4G5 MIX HGT (FT)....300 800 5700 7100 MIXNG WIND......NW 7 N 10 N 9 N 6 HAINES INDEX....5 5 5 5 $$ FORECASTER...LEE REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20100417.UNION.01/DMX