FNUS73 KDMX 041405 FWSDMX SPOT FORECAST FOR DROMMER HALDER...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 905 AM CDT WED MAY 4 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 04. 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... WITH HIGH PRESSURE EXITING AND A LOW PRESSURE SYSTEM APPROACHING...WINDS WILL BE STRONGER TODAY WITH HIGHER GUSTS THAN TUESDAY. THIS WILL BE COUPLED WITH MODERATE MIXING AND LOW RELATIVE HUMIDITIES DURING PEAK HEATING...BELOW 30 PERCENT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........28 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 9 TO 18 MPH INCREASING TO 21 TO 24 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 5300 FT AGL. MIXING WINDS........SOUTHEAST 10 TO 16 MPH INCREASING TO 22 TO 29 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....GOOD (63400 KNOT-FT) INCREASING TO EXCELLENT (128000 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHEAST WINDS 9 TO 18 MPH INCREASING TO 21 TO 24 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........60 63 70 73 76 82 WEATHER COV..... WEATHER TYPE.... TEMP............60 62 64 65 64 64 RH..............29 28 28 28 30 30 20 FT WIND DIR..SE SE SE SE SE SE 20 FT WIND SPD..24 24 24 24 23 23 20 FT WIND GUST.30 30 30 30 30 30 EYE LVL WND DIR.SE SE SE SE SE SE EYE LVL WND SPD.17 17 17 17 16 16 EYE LVL WND GST.30 30 30 30 30 30 MIX HGT (KFT)...3.0 3.8 4.6 5.3 5.1 4.8 MIXNG WIND DIR..SE SE SE SE SE SE MIXNG WIND SPD..26 26 28 28 28 29 HAINES INDEX....4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS LIKELY AND ISOLATED THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....AROUND 46. MAX HUMIDITY........80 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 13 TO 22 MPH SHIFTING TO THE SOUTHWEST 10 TO 13 MPH AFTER MIDNIGHT. HAINES INDEX........MISSING. MIXING HEIGHT.......4500 FT AGL DECREASING TO 2500 FT AGL EARLY IN THE EVENING. MIXING WINDS........ SMOKE DISPERSAL.....EXCELLENT (113400 KNOT-FT) DECREASING TO FAIR (39900 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTH WINDS 13 TO 22 MPH SHIFTING TO THE SOUTHWEST 10 TO 13 MPH AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........85 87 89 91 80 66 WEATHER COV.....LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............62 57 54 52 49 48 RH..............33 45 59 71 80 80 20 FT WIND......SE 22 SE 20 S 16 S 14 S 10 SW 12 20 FT WIND GUST.30 30 25 20 15 15 EYE LEVEL WIND..SE 16 SE 14 S 11 S 10 S 7 SW 9 EYE LEVEL WIND..30 30 25 20 15 15 MIX HGT (FT)....4500 2500 1400 1300 1200 1200 MIXNG WIND......M M M M M M HAINES INDEX....M M M M M M .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........38 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 14 TO 16 MPH. HAINES INDEX........MISSING. MIXING HEIGHT.......2800 FT AGL INCREASING TO 7800 FT AGL. MIXING WINDS........ SMOKE DISPERSAL.....POOR (0 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 14 TO 16 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........56 57 58 54 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............48 55 61 63 RH..............80 59 44 39 20 FT WIND......W 14G20 NW 16G25 NW 16G25 NW 15G20 EYE LEVEL WIND..W 10G20 NW 11G25 NW 11G25 NW 11G20 MIX HGT (FT)....1300 3600 6100 7800 MIXNG WIND......M M M M HAINES INDEX....M M M M $$ FORECASTER...SMALL REQUESTED BY...CLINT MADDIX TYPE OF REQUEST...PRESCRIBED .TAG 20110504.DROMM.01/DMX