FNUS73 KDMX 101818 FWSDMX SPOT FORECAST FOR WAPATI...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 118 PM CDT TUE MAY 10 2011 FORECAST IS BASED ON IGNITION TIME OF 1315 CDT ON MAY 10. 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... SOUTH WINDS TODAY BUT RELATIVE HUMIDITY NOT EXTREMELY LOW CONSIDERING HOT CONDITIONS. WIND SHIFT WILL APPROACH FROM THE NORTHWEST TONIGHT...INCREASING CHANCE OF SHOWERS OR THUNDERSTORMS. ALSO...WIND DIRECTION WILL BE DIFFICULT TO PREDICT DEPENDING UPON HOW FAR EAST THE WIND SHIFT TRAVELS. .REST OF TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 92. MIN HUMIDITY........42 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 11 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5800 FT AGL DECREASING TO 2100 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 14 TO 16 MPH. SMOKE DISPERSAL.....GOOD (73100 KNOT-FT). WIND (20 FT)........SOUTH WINDS 13 TO 16 MPH. TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........18 20 20 20 21 WEATHER COV..... WEATHER TYPE.... TEMP............89 91 92 92 90 RH..............47 43 42 42 42 20 FT WIND DIR..S S S S S 20 FT WIND SPD..16 15 15 14 13 20 FT WIND GUST.20 20 20 20 15 EYE LVL WND DIR.S S S S S EYE LVL WND SPD.11 11 11 10 9 EYE LVL WND GST.20 20 20 20 15 MIX HGT (KFT)...4.8 5.3 5.8 3.9 2.1 MIXNG WIND DIR..S S S SW SW MIXNG WIND SPD..16 15 14 14 14 HAINES INDEX....4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 63. MAX HUMIDITY........84 PERCENT. MIXING HEIGHT.......400 FT AGL. MIXING WINDS........NORTH 6 TO 14 MPH. SMOKE DISPERSAL.....POOR (4400 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........21 35 45 52 53 55 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............86 79 74 71 68 66 RH..............48 58 69 73 78 84 MIX HGT (FT)....300 300 300 300 400 400 MIXNG WIND......SW 14 W 8 NW 7 N 10 N 12 N 10 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........53 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 12 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........56 61 65 70 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 74 79 82 RH..............81 66 60 53 20 FT WIND......SE 1 S 6G10 S 10G15 S 12G15 HAINES INDEX....3 2 3 3 $$ FORECASTER...JUNGBLUTH REQUESTED BY...DAN PAULSEN TYPE OF REQUEST...PRESCRIBED .TAG 20110510.WAPAT.01/DMX