FNUS73 KDMX 131040 FWSDMX SPOT FORECAST FOR DUNBAR...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 540 AM CDT TUE APR 13 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 13. 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... A MODERATE TO STRONG SOUTHERLY FLOW IS EXPECTED ACROSS IOWA TODAY THROUGH WEDNESDAY. A COLD FRONT WILL APPROACH NORTHWEST IOWA LATE TONIGHT...WITH SCATTERED SHOWERS AND THUNDERSTORMS SPREADING INTO THE NORTHWEST HALF OF THE STATE. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 81. MIN HUMIDITY........38 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 7 TO 16 MPH INCREASING TO 17 TO 18 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 7800 FT AGL. MIXING WINDS........SOUTH 7 TO 15 MPH INCREASING TO 30 TO 32 MPH. SMOKE DISPERSAL.....POOR (11300 KNOT-FT) INCREASING TO EXCELLENT (190400 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........20 19 17 17 17 18 20 21 22 WEATHER COV..... WEATHER TYPE.... TEMP............67 71 73 76 77 79 80 79 78 RH..............56 49 48 45 43 39 38 38 39 EYE LVL WND DIR.S S S S S S S S S EYE LVL WND SPD.9 10 13 14 14 14 14 14 14 EYE LVL WND GST.20 25 25 30 30 30 30 30 30 MIX HGT (KFT)...1.5 3.1 4.7 6.3 6.8 7.3 7.8 7.3 6.9 MIXNG WIND DIR..S S S S S S S S S MIXNG WIND SPD..15 17 20 22 23 25 26 30 32 HAINES INDEX....3 3 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........72 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 12 TO 17 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........24 24 25 25 35 48 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............75 70 66 64 62 60 RH..............45 53 61 63 67 72 EYE LEVEL WIND..S 14 S 14 S 13 S 12 S 11 S 10 EYE LEVEL WIND..30 30 30 25 25 20 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........50 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 12 TO 17 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 5500 FT AGL. MIXING WINDS........SOUTH 16 TO 25 MPH SHIFTING TO THE SOUTHWEST 26 TO 30 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....FAIR (41900 KNOT-FT) INCREASING TO EXCELLENT (143400 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........58 65 72 73 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............59 66 71 74 RH..............72 61 55 50 EYE LEVEL WIND..S 10G20 S 12G25 S 14G30 S 12G25 MIX HGT (FT)....800 3100 4700 5500 MIXNG WIND......S 16 S 23 S 28 SW 30 HAINES INDEX....3 3 3 3 $$ FORECASTER...SCHUMACHER REQUESTED BY...BLAKE KNISLEY TYPE OF REQUEST...PRESCRIBED .TAG 20100413.DUNBA.01/DMX