FNUS73 KDMX 081343 FWSDMX SPOT FORECAST FOR SNAKE CREEK-MURPHY...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 843 AM CDT THU APR 8 2010 FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON APRIL 08. 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... .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........54 AT IGNITION...MAX 56. MIN HUMIDITY........36 PERCENT AT IGNITION...MIN 34 PERCENT. WIND (EYE LEVEL)....NORTHWEST WINDS 6 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 6900 FT AGL. MIXING WINDS........NORTHWEST 8 TO 17 MPH INCREASING TO 18 TO 21 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....POOR (25200 KNOT-FT) INCREASING TO EXCELLENT (121900 KNOT-FT). TIME (CDT) 3PM 4PM 5PM 6PM SKY (%).........20 16 12 7 WEATHER COV..... WEATHER TYPE.... TEMP............54 56 54 53 RH..............36 34 36 36 EYE LVL WND DIR.NW NW NW NW EYE LVL WND SPD.10 10 8 7 EYE LVL WND GST.20 20 15 15 MIX HGT (KFT)...6.9 6.9 6.7 6.5 MIXNG WIND DIR..NW NW NW NW MIXNG WIND SPD..20 18 20 20 HAINES INDEX....4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....32. MAX HUMIDITY........89 PERCENT. WIND (EYE LEVEL)....NORTHWEST WINDS 6 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6300 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTHWEST 14 TO 18 MPH DECREASING TO 2 TO 8 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE SOUTH 1 TO 5 MPH LATE IN THE EVENING. SMOKE DISPERSAL.....EXCELLENT (100200 KNOT-FT) DECREASING TO POOR (1000 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........5 5 6 7 7 8 8 9 11 13 14 16 WEATHER COV..... WEATHER TYPE.... TEMP............52 49 46 44 42 41 40 38 37 36 36 35 RH..............38 44 49 55 60 59 62 67 70 72 75 82 EYE LVL WND DIR.NW NW W W W W W W W SW SW S EYE LVL WND SPD.6 5 3 2 2 2 2 2 1 1 1 2 EYE LVL WND GST.10 5 5 MIX HGT (KFT)...6.3 4.3 2.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 MIXNG WIND DIR..NW NW N N NW SW S S S SE S S MIXNG WIND SPD..18 14 8 3 2 1 2 3 3 5 5 5 HAINES INDEX....4 4 4 4 4 4 4 4 5 5 5 5 $$ FORECASTER...PODRAZIK REQUESTED BY...SAYLORVILLE UNIT TYPE OF REQUEST...PRESCRIBED .TAG 20100408.SNAKE.01/DMX