FNUS73 KDMX 061145 FWSDMX SPOT FORECAST FOR MINER WPA...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 645 AM CDT FRI MAY 6 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 06. 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... WESTERLY WINDS WILL BECOME MORE SOUTHWESTERLY TOWARD LATE TODAY AS AN AREA OF HIGH PRESSURE SLIDES BY THE STATE TO THE SOUTH. WINDS COULD BECOME GUSTY ACROSS THE WESTERN HALF OF THE CWA IN ADVANCE OF A LOW PRESSURE SYSTEM MOVING OUT OF THE NORTHERN ROCKIES AND INTO THE DAKOTAS. DRIER AIR IN PLACE...SO DEWPOINTS EXPECTED TO STAY LOWER OR DROP FURTHER INTO THE UPPER 20S TO LOWER 30S BY THIS AFTERNOON. .TODAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........26 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 8 TO 17 MPH SHIFTING TO THE SOUTH 16 TO 18 MPH IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 7100 FT AGL. MIXING WINDS........SOUTH 7 TO 16 MPH INCREASING TO AROUND 18 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (47100 KNOT-FT) INCREASING TO GOOD (94700 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHWEST WINDS 8 TO 17 MPH SHIFTING TO THE SOUTH 16 TO 18 MPH IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........45 46 46 49 54 56 58 60 WEATHER COV..... WEATHER TYPE.... TEMP............60 62 65 66 68 69 68 68 RH..............34 32 29 28 27 26 29 32 20 FT WIND DIR..SW SW SW SW S S S S 20 FT WIND SPD..15 17 18 18 18 17 17 16 20 FT WIND GUST.20 25 25 25 25 25 25 25 EYE LVL WND DIR.SW SW SW SW S S S S EYE LVL WND SPD.11 12 13 13 13 12 12 11 EYE LVL WND GST.20 25 25 25 25 25 25 25 MIX HGT (KFT)...4.1 5.3 6.5 6.7 6.9 7.1 6.5 6.0 MIXNG WIND DIR..SW S S S S S S S MIXNG WIND SPD..9 10 12 13 14 15 16 18 HAINES INDEX....5 6 6 6 6 6 6 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT). CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....AROUND 48. EYE LEVEL WINDS.....SOUTH WINDS 8 TO 16 MPH DECREASING TO AROUND 6 MPH AFTER MIDNIGHT...THEN BECOMING LIGHT AFTER MIDNIGHT BECOMING WEST AROUND 7 MPH EARLY IN THE MORNING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5400 FT AGL DECREASING TO 2000 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 9 TO 18 MPH SHIFTING TO THE SOUTHWEST 6 TO 8 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....GOOD (86200 KNOT-FT) DECREASING TO POOR (2500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTH WINDS 8 TO 16 MPH DECREASING TO AROUND 6 MPH AFTER MIDNIGHT...THEN BECOMING LIGHT AFTER MIDNIGHT BECOMING WEST AROUND 7 MPH EARLY IN THE MORNING. 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 (%).........61 69 69 60 57 52 WEATHER COV.....CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............66 60 57 54 52 50 20 FT WIND......S 16 S 13 S 9 S 6 S 2 SW 3 20 FT WIND GUST.25 15 10 5 EYE LEVEL WIND..S 11 S 9 S 6 S 4 S 1 SW 2 EYE LEVEL WIND..25 15 10 5 5 MIX HGT (FT)....5400 2000 300 300 300 300 MIXNG WIND......S 18 SE 14 SE 12 SE 12 S 9 S 6 HAINES INDEX....5 4 4 3 3 3 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........39 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 9 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200 FT AGL INCREASING TO 7100 FT AGL. MIXING WINDS........WEST 6 TO 15 MPH SHIFTING TO THE NORTHWEST 12 TO 20 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....POOR (11900 KNOT-FT) INCREASING TO EXCELLENT (98200 KNOT-FT). WIND (20 FT)........NORTH WINDS 9 TO 13 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........49 49 48 44 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............50 60 66 69 RH..............80 55 45 40 20 FT WIND......NW 9G10 NW 13G15 N 13G15 NW 12G15 EYE LEVEL WIND..NW 6G10 NW 9G15 N 9G15 NW 9G15 MIX HGT (FT)....300 1200 6500 7100 MIXNG WIND......SW 6 NW 20 NW 17 NW 14 HAINES INDEX....3 5 5 5 $$ FORECASTER...BEERENDS REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20110506.MINER.01/DMX