FNUS73 KDMX 041408 FWSDMX SPOT FORECAST FOR TUTTLE LAKE...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 908 AM CDT WED MAY 4 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 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...POSSIBLY HIGHER THAN NOTED BELOW...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 65. MIN HUMIDITY........25 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 10 TO 17 MPH SHIFTING TO THE SOUTHEAST 20 TO 23 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 4600 FT AGL. MIXING WINDS........SOUTH 9 TO 15 MPH INCREASING TO SOUTHEAST 20 TO 26 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR (19000 KNOT-FT) INCREASING TO EXCELLENT (105500 KNOT-FT). WIND (20 FT)........SOUTH WINDS 10 TO 17 MPH SHIFTING TO THE SOUTHEAST 20 TO 23 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........43 54 59 62 68 71 73 79 WEATHER COV..... WEATHER TYPE.... TEMP............54 57 59 61 63 64 63 63 RH..............36 33 29 28 26 25 29 31 20 FT WIND DIR..S S S SE SE SE SE SE 20 FT WIND SPD..20 22 23 23 23 22 22 22 20 FT WIND GUST.30 30 30 30 30 30 30 30 EYE LVL WND DIR.S S S SE SE SE SE SE EYE LVL WND SPD.14 16 16 16 16 16 16 16 EYE LVL WND GST.30 30 30 30 30 30 30 30 MIX HGT (KFT)...2.3 3.1 3.8 4.1 4.3 4.6 4.4 4.2 MIXNG WIND DIR..S S S S SE SE SE SE MIXNG WIND SPD..25 26 26 26 26 26 26 26 HAINES INDEX....4 5 5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS LIKELY IN THE EVENING. ISOLATED THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 45. MAX HUMIDITY........80 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 12 TO 21 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH AFTER MIDNIGHT. HAINES INDEX........MISSING. MIXING HEIGHT.......3900 FT AGL DECREASING TO 1800 FT AGL LATE IN THE EVENING. MIXING WINDS........ SMOKE DISPERSAL.....GOOD (90600 KNOT-FT) DECREASING TO MARGINAL (34000 KNOT-FT) AFTER MIDNIGHT. WIND (20 FT)........SOUTH WINDS 12 TO 21 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........82 85 88 91 85 78 WEATHER COV.....LIKELY LIKELY LIKELY CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............61 56 53 51 48 47 RH..............36 49 59 71 80 79 20 FT WIND......SE 21 SE 18 SE 15 SE 13 S 10 SW 10 20 FT WIND GUST.30 25 20 15 15 15 EYE LEVEL WIND..SE 15 SE 13 SE 11 SE 9 S 7 SW 7 EYE LEVEL WIND..30 25 20 15 15 15 MIX HGT (FT)....3900 2700 2000 1600 1400 900 MIXNG WIND......M M M M M M HAINES INDEX....M M M M M M .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........44 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 12 TO 17 MPH. HAINES INDEX........MISSING. MIXING HEIGHT.......1300 FT AGL INCREASING TO 4000 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 6400 FT AGL LATE IN THE MORNING INCREASING TO 7000 FT AGL LATE IN THE AFTERNOON DECREASING TO 3200 FT AGL. MIXING WINDS........ SMOKE DISPERSAL.....POOR (0 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........73 70 66 59 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............47 54 59 61 RH..............79 61 49 44 20 FT WIND......W 12G15 NW 17G25 NW 17G25 NW 16G25 EYE LEVEL WIND..W 9G15 NW 12G25 NW 12G25 NW 11G25 MIX HGT (FT)....300 3400 5200 7000 MIXNG WIND......M M M M HAINES INDEX....M M M M $$ FORECASTER...SMALL REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20110504.TUTTL.01/DMX