FNUS73 KDMX 061334 FWSDMX SPOT FORECAST FOR GLADFELTER...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 834 AM CDT FRI MAY 6 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 06. 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 AT THE SURFACE WILL SHIFT EAST TODAY ALLOWING FOR LOW PRESSURE OVER THE PLAINS TO ENTER THE MIDWEST. AN UPPER LEVEL DISTURBANCE WILL SWING SOUTHEAST ACROSS THE AREA AS WELL BRINGING INCREASING CLOUDS TO IOWA ALONG WITH A CHANCE FOR SHOWERS AND ISOLATED THUNDERSTORMS TONIGHT. DUE TO THE INCREASING NUMBER OF SPOT REQUESTS...IT IS IMPERATIVE THAT YOU REQUEST SPOT FORECASTS THE NIGHT BEFORE A BURN...EVEN IF IT IS JUST FOR PLANNING PURPOSES. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY SUNNY (60-70 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........25 PERCENT. EYE LEVEL WINDS.....WEST WIND AROUND 10 MPH BECOMING SOUTH 10 TO 15 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 5300 FT AGL LATE IN THE MORNING...THEN INCREASING TO 7700 FT AGL IN THE AFTERNOON DECREASING TO 5700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 6 TO 12 MPH. SMOKE DISPERSAL.....GOOD (55700 KNOT-FT) INCREASING TO GOOD (69500 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 9 TO 13 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........23 30 40 45 49 57 61 65 73 WEATHER COV..... WEATHER TYPE.... TEMP............51 54 57 60 63 66 69 68 67 RH..............52 46 42 36 32 28 25 27 28 20 FT WIND DIR..W W W W SW SW SW S S 20 FT WIND SPD..13 13 13 12 13 13 13 13 13 20 FT WIND GUST.15 15 15 15 15 15 15 15 15 EYE LVL WND DIR.W W W W SW SW SW S S EYE LVL WND SPD.9 9 9 9 9 9 9 9 9 EYE LVL WND GST.15 15 15 15 15 15 15 15 15 MIX HGT (KFT)...1.9 3.6 5.3 6.9 7.2 7.5 7.7 6.7 5.7 MIXNG WIND DIR..W W SW SW SW S S S S MIXNG WIND SPD..10 9 7 6 7 8 10 12 12 HAINES INDEX....5 5 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS LIKELY IN THE EVENING. ISOLATED THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 48. MAX HUMIDITY........83 PERCENT. EYE LEVEL WINDS.....SOUTH WIND 5 TO 15 MPH. 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........SOUTH 9 TO 14 MPH. SMOKE DISPERSAL.....FAIR (46300 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........77 71 77 83 79 74 WEATHER COV.....LIKELY LIKELY LIKELY CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............65 60 56 54 51 50 RH..............31 46 57 66 77 80 20 FT WIND......S 13 S 12 S 12 SE 10 SE 9 SE 6 20 FT WIND GUST.15 15 15 15 10 EYE LEVEL WIND..S 9 S 9 S 9 SE 7 SE 6 SE 4 EYE LEVEL WIND..15 15 15 15 10 5 MIX HGT (FT)....4600 1700 300 300 300 300 MIXNG WIND......S 12 SE 9 SE 10 SE 13 SE 13 SE 14 HAINES INDEX....5 5 5 4 3 3 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........47 PERCENT. EYE LEVEL WINDS.....NORTH WIND 5 TO 15 MPH BUT LIGHT IN THE MORNING. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 6800 FT AGL. MIXING WINDS........NORTHWEST 5 TO 14 MPH. SMOKE DISPERSAL.....MARGINAL (33400 KNOT-FT) INCREASING TO GOOD (75200 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 10 MPH EARLY IN THE MORNING. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........70 60 50 44 WEATHER COV.....S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR NONE NONE TEMP............50 59 64 67 RH..............83 62 52 47 20 FT WIND......N 1 NW 7 N 10G15 N 10G15 EYE LEVEL WIND..N 1 NW 5 N 7G15 N 7G15 MIX HGT (FT)....400 1700 5700 6800 MIXNG WIND......S 14 W 5 NW 12 NW 13 HAINES INDEX....3 3 4 4 $$ FORECASTER...BOKSA REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20110506.GLADF.01/DMX