FNUS73 KDMX 281217 FWSDMX SPOT FORECAST FOR TUTTLE LAKE WPA...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 717 AM CDT WED APR 28 2010 FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 28. 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... FORECAST CORRECTED FOR RELATIVE HUMIDITY VALUES. WINDS WILL BE INCREASING THROUGH THE DAY WITH INCREASING MIXING HEIGHTS AS WELL. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........52 AT IGNITION...MAX 67. MIN HUMIDITY........58 PERCENT AT IGNITION...MIN 38 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 15 MPH SHIFTING TO THE SOUTHEAST 17 TO 19 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 5300 FT AGL. MIXING WINDS........SOUTH 7 TO 15 MPH INCREASING TO 30 TO 31 MPH. SMOKE DISPERSAL.....POOR (14400 KNOT-FT) INCREASING TO EXCELLENT (127300 KNOT-FT). TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........22 29 36 43 47 48 50 53 55 57 WEATHER COV..... WEATHER TYPE.... TEMP............48 52 56 59 61 63 65 66 66 65 RH..............58 52 47 42 41 39 38 38 40 41 EYE LVL WND DIR.S S S S S S S S S SE EYE LVL WND SPD.7 9 10 12 14 14 14 14 14 15 EYE LVL WND GST.15 25 25 30 30 30 30 30 30 30 MIX HGT (KFT)...1.1 1.5 2.8 4.0 5.3 5.2 5.1 5.0 4.8 4.7 MIXNG WIND DIR..S S S S S S S S S S MIXNG WIND SPD..15 20 22 24 25 26 28 29 30 31 HAINES INDEX....4 4 4 5 5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). MIN TEMPERATURE.....53. MAX HUMIDITY........74 PERCENT. WIND (EYE LEVEL)....SOUTHEAST WINDS 14 TO 18 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4500 FT AGL DECREASING TO 2200 FT AGL LATE IN THE EVENING. MIXING WINDS........SOUTHEAST 23 TO 32 MPH. SMOKE DISPERSAL.....EXCELLENT (125900 KNOT-FT) DECREASING TO MARGINAL (35800 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........58 63 64 65 66 68 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............65 61 59 57 56 55 RH..............43 51 57 64 66 69 EYE LEVEL WIND..SE 14 S 13 S 12 SE 14 SE 14 SE 12 EYE LEVEL WIND..30 30 30 30 25 25 MIX HGT (FT)....4500 3700 2800 1700 1500 1400 MIXNG WIND......S 32 S 32 S 29 S 24 S 24 SE 23 HAINES INDEX....4 4 4 3 2 2 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....77. MIN HUMIDITY........41 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 14 TO 18 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3100 FT AGL INCREASING TO 5500 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTHEAST 23 TO 31 MPH SHIFTING TO THE SOUTH 28 TO 35 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD (83400 KNOT-FT) INCREASING TO EXCELLENT (137000 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........70 66 62 68 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE RNSHWR RNSHWR TEMP............54 65 72 76 RH..............74 54 44 42 EYE LEVEL WIND..SE 12G25 S 14G35 S 14G35 S 14G30 MIX HGT (FT)....1500 3900 4600 5500 MIXNG WIND......SE 23 S 35 S 31 S 29 HAINES INDEX....2 3 3 4 $$ FORECASTER...COGIL REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20100428.TUTTL.01/DMX