FNUS73 KDMX 231532 FWSDMX SPOT FORECAST FOR ARMSTRONG PROPER...EMMET COUNTY EM NATIONAL WEATHER SERVICE DES MOINES IA 1032 AM CDT MON JUL 23 2012 FORECAST IS BASED ON INCIDENT TIME OF 1025 CDT ON JULY 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK BOUNDARY IS CURRENTLY LOCATED ALONG OR JUST NORTH OF THE MINNESOTA AND IOWA BORDER WHERE WINDS NORTH OF THE FRONT ARE OUT OF THE NORTH NORTHEAST AND SOUTH OF THE FROM GENERALLY OUT OF THE SOUTHWEST. THIS BOUNDARY LOOKS TO FLUCTUATE THROUGHOUT THE DAY AND MAY SHIFT SLIGHTLY SOUTHWARD THIS AFTERNOON. AN UPPER LEVEL DISTURBANCE WILL BRING A CHANCE OF STORMS LATE THIS AFTERNOON INTO THE EVENING HOURS. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 94. MIN HUMIDITY........47 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH LATE IN THE MORNING...THEN BECOMING LIGHT EARLY IN THE AFTERNOON BECOMING SOUTHWEST AROUND 5 MPH LATE IN THE AFTERNOON SHIFTING TO THE NORTHWEST AROUND 6 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 3200 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1200 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHWEST 2 TO 10 MPH. SMOKE DISPERSAL.....POOR TO FAIR (500-28600 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH LATE IN THE MORNING...THEN BECOMING LIGHT EARLY IN THE AFTERNOON BECOMING SOUTHWEST AROUND 5 MPH LATE IN THE AFTERNOON SHIFTING TO THE NORTHWEST AROUND 6 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........62 59 53 52 51 50 51 52 52 WEATHER COV..... SCH SCH SCH WEATHER TYPE.... RW RW RW TSTM COV........ ISO ISO ISO TEMP............83 86 89 91 92 93 94 93 92 RH..............65 59 56 52 51 49 47 49 51 20 FT WIND DIR..SW SW SW SW SW SW SW W NW 20 FT WIND SPD..5 5 5 5 3 3 5 5 6 20 FT WIND GUST. 5 5 EYE LVL WND DIR.SW SW SW SW SW SW SW W NW EYE LVL WND SPD.4 4 4 4 2 2 4 4 4 EYE LVL WND GST. 5 5 MIX HGT (KFT)...1.1 1.7 2.2 2.7 2.9 3.0 3.2 2.2 1.2 MIXNG WIND DIR..W W W W W W W W N MIXNG WIND SPD..5 5 5 6 7 9 10 10 10 HAINES INDEX....6 6 6 6 6 6 6 6 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 70. MAX HUMIDITY........90 PERCENT. EYE LEVEL WINDS.....NORTH WINDS AROUND 7 MPH SHIFTING TO THE EAST 6 TO 8 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........EAST 6 TO 12 MPH. SMOKE DISPERSAL.....POOR TO POOR (1200-2500 KNOT-FT). WIND (20 FT)........NORTH WINDS AROUND 7 MPH SHIFTING TO THE EAST 6 TO 8 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........53 59 63 65 64 63 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE TEMP............89 81 77 74 72 71 RH..............56 69 79 87 90 90 20 FT WIND......N 7 E 8 E 7 E 6 E 6 E 7 20 FT WIND GUST. 10 EYE LEVEL WIND..N 5 E 6 E 5 E 4 E 4 E 5 EYE LVL WND GST. 10 MIX HGT (FT)....300 300 300 300 300 300 MIXNG WIND......N 9 NE 9 NE 9 E 8 E 6 E 8 HAINES INDEX....5 5 5 4 5 5 $$ FORECASTER...PODRAZIK REQUESTED BY...EMMET COUNTY EM TYPE OF REQUEST...HAZMAT .TAG 20120723.ARMST.01/DMX