FNUS73 KDMX 160912 FWSDMX SPOT FORECAST FOR WAPITI...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 412 AM CDT SAT MAY 16 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 16. 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... GUSTY NORTH TO NORTHWEST WINDS WILL CONTINUE THROUGH MUCH OF THE DAY AS HIGH PRESSURE OVER THE DAKOTAS BUILDS INTO THE STATE. WINDS WILL DIMINISH RAPIDLY AFTER 5 PM THIS AFTERNOON. NO RAINFALL IS EXPECTED THROUGH AT LEAST THE NEXT COUPLE DAYS. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 57. MIN HUMIDITY........27 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 12 TO 18 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5700 FT AGL INCREASING TO 6200 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........NORTHWEST 28 TO 36 MPH DECREASING TO 23 TO 26 MPH EARLY IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (163500 KNOT-FT). TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........7 4 4 5 5 5 3 WEATHER COV..... WEATHER TYPE.... TEMP............52 54 55 56 56 56 55 RH..............38 34 31 30 29 27 27 EYE LVL WND DIR.NW NW NW NW NW NW NW EYE LVL WND SPD.14 14 14 13 12 11 10 EYE LVL WND GST.30 30 30 30 25 25 20 MIX HGT (KFT)...5.5 5.5 5.7 6.0 6.2 5.7 5.1 MIXNG WIND DIR..NW NW NW NW NW NW NW MIXNG WIND SPD..30 28 28 26 26 25 23 HAINES INDEX....5 5 5 5 5 5 6 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). AREAS OF FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........81 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 10 MPH EARLY IN THE EVENING BECOMING LIGHT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHWEST 14 TO 20 MPH DECREASING TO 2 TO 7 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE SOUTHWEST 3 TO 6 MPH LATE IN THE EVENING. SMOKE DISPERSAL.....EXCELLENT (78600 KNOT-FT) DECREASING TO POOR (1300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........2 8 9 10 16 22 WEATHER COV..... AREAS AREAS WEATHER TYPE....NONE NONE NONE NONE FROST FROST TEMP............54 47 41 38 35 33 RH..............32 43 55 64 72 78 EYE LEVEL WIND..NW 8 N 2 N 0 SW 2 S 2 S 3 EYE LEVEL WIND..15 5 5 5 MIX HGT (FT)....4600 1700 300 300 300 300 MIXNG WIND......NW 20 NW 7 W 2 S 6 S 6 SW 6 HAINES INDEX....6 5 5 5 5 5 .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........31 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 6 TO 14 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 5600 FT AGL. MIXING WINDS........SOUTHWEST 7 TO 16 MPH SHIFTING TO THE SOUTH 17 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (70500 KNOT-FT) INCREASING TO EXCELLENT (124000 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........26 40 54 57 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............35 50 58 63 RH..............72 44 36 31 EYE LEVEL WIND..S 3G5 SW 8G15 SW 8G15 SE 10G25 MIX HGT (FT)....300 2300 5600 5600 MIXNG WIND......S 7 SW 20 S 17 S 25 HAINES INDEX....5 3 4 3 $$ FORECASTER...SCHUMACHER REQUESTED BY...RICHARD R JOHNSON TYPE OF REQUEST...PRESCRIBED .TAG 20090516.WAPIT.01/DMX