FNUS73 KDMX 022302 FWSDMX SPOT FORECAST FOR SNAKE CREEK...IDNR NATIONAL WEATHER SERVICE DES MOINES IA 602 PM CDT MON MAY 2 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 03. 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... HIGH PRESSURE FROM THE EASTERN DAKOTAS INTO WESTERN KANSAS WILL MOVE INTO WESTERN IOWA TUESDAY AFTERNOON...AND BE NEARLY OVERHEAD TUESDAY NIGHT. NORTHWEST TO NORTH FLOW THROUGH THE DAY TUESDAY. WINDS WILL DIMINISH RAPIDLY BY EVENING. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). AREAS OF FROST LATE IN THE NIGHT. MIN TEMPERATURE.....AROUND 31. MAX HUMIDITY........75 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 14 MPH UNTIL EARLY MORNING BECOMING LIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6400 FT AGL DECREASING TO 900 FT AGL. MIXING WINDS........NORTHWEST 12 TO 18 MPH DECREASING TO 5 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....EXCELLENT (102500 KNOT-FT) DECREASING TO POOR (4300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTH WINDS 5 TO 14 MPH UNTIL EARLY MORNING BECOMING LIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........25 20 15 12 13 16 WEATHER COV..... AREAS WEATHER TYPE....NONE NONE NONE NONE NONE FROST TEMP............54 47 42 39 36 34 RH..............34 45 57 62 67 72 20 FT WIND......NW 14 N 8 N 6 N 6 N 5 NW 3 20 FT WIND GUST.20 10 5 EYE LEVEL WIND..NW 10 N 6 N 4 N 4 N 4 NW 2 EYE LEVEL WIND..20 10 5 5 5 5 MIX HGT (FT)....6400 2300 500 900 500 300 MIXNG WIND......NW 18 N 12 N 7 NE 6 NW 6 NW 5 HAINES INDEX....4 4 4 3 4 4 .TUESDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........26 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 9 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL INCREASING TO 10100 FT AGL. MIXING WINDS........NORTHWEST 6 TO 14 MPH SHIFTING TO THE NORTH 15 TO 17 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD (54700 KNOT-FT) INCREASING TO EXCELLENT (141300 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........NORTH WINDS 5 TO 9 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........19 21 19 17 15 13 12 12 13 14 15 16 WEATHER COV..... WEATHER TYPE.... TEMP............33 38 43 47 51 54 56 58 60 61 60 59 RH..............75 62 51 43 39 35 32 30 27 26 27 27 20 FT WIND DIR..NW NW NW NW NW N N N N N N N 20 FT WIND SPD..5 6 7 7 8 8 9 8 8 8 7 7 20 FT WIND GUST. 10 10 10 10 10 10 EYE LVL WND DIR.NW NW NW NW NW N N N N N N N EYE LVL WND SPD.4 4 5 5 6 6 6 6 6 6 5 5 EYE LVL WND GST.5 5 10 10 10 10 10 10 MIX HGT (KFT)...0.3 2.4 4.6 6.7 7.5 8.2 8.9 9.3 9.7 10 9.4 8.7 MIXNG WIND DIR..NW NW NW N N N NW N N N N N MIXNG WIND SPD..6 9 14 17 17 17 16 16 16 16 16 15 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4 $$ FORECASTER...SCHUMACHER REQUESTED BY...MICHAEL STRAUSER TYPE OF REQUEST...PRESCRIBED .TAG 20110503.SNAKE.01/DMX