FNUS73 KMPX 121238 FWSMPX SPOT FORECAST FOR THOMSON EASE...U.S. FISH & WILDLIFE SERVICE NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 738 AM CDT THU APR 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL CENTER ITSELF OVER THE OHIO VALLEY...LEADING TO A WARMER SOUTHERLY FLOW TODAY. PLENTY OF SUNSHINE THROUGH MOST OF THE DAY WITH RH VALUES DOWN IN THE 25 TO 30 PERCENT RANGE. WINDS WILL BE NO HIGHER THAN 10 MPH THROUGH THE DAY. CLOUDS WILL GRADUALLY INCREASE LATE THIS AFTERNOON THROUGH TONIGHT AS A STORM SYSTEM ARRIVES FROM THE PLAINS TONIGHT. TODAY WILL BE THE LAST RAIN-FREE DAY FOR AT LEAST THE NEXT SEVERAL DAYS AS SEVERAL DISTURBANCES WILL PROGRESS THROUGH THE REGION...BRINGING PERIODS OF SHOWERS AND POSSIBLY A FEW THUNDERSTORMS FRIDAY THROUGH THE WEEKEND. .TODAY... SKY/WEATHER.........PARTLY SUNNY. AREAS OF FROST EARLY IN THE MORNING. TEMPERATURE.........46 AT IGNITION...MAX 60. RH..................42 PERCENT AT IGNITION...MIN 29 PERCENT. WIND (20 FT)........WINDS SOUTHEAST AT 9 MPH AT IGNITION...OTHERWISE SOUTHEAST WINDS 6 TO 11 MPH. HAINES INDEX........3 OR VERY LOW AT IGNITION...MAX 4. SMOKE DISPERSAL.....POOR TO GOOD (2000-45200) INCREASING TO EXCELLENT (62500-71700) IN THE AFTERNOON. MIXING HEIGHT.......300-1400 FT AGL INCREASING TO 4500-4800 FT AGL. MIXING WINDS........SOUTH 10 TO 18 MPH INCREASING TO 20 TO 21 MPH LATE IN THE AFTERNOON. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........MCR MCR MCR PC PC PC PC PC MC MC MC MC WEATHER COV.....ARS CHC WEATHER TYPE....FST RW TEMP............35 40 46 50 53 56 58 59 59 60 59 58 RH..............61 50 42 37 33 31 29 29 29 29 30 33 20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE 20 FT WIND SPD..5 6 8 9 9 10 10 10 10 10 10 10 20 FT WIND GUST. 10 10 15 15 15 15 15 15 15 15 15 HAINES INDEX....3 3 3 3 4 4 4 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE EVENING. ISOLATED THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT. TEMPERATURE.........MIN 44. RH..................MAX 89 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH. SMOKE DISPERSAL.....GOOD TO EXCELLENT (30300-74000) DECREASING TO POOR TO FAIR (4600-24400) IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......3100-4500 FT AGL DECREASING TO 300-1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 22 TO 30 MPH. .FRIDAY... SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT. TEMPERATURE.........MAX 57. RH..................MIN 72 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH. HAINES INDEX........2 TO 3 OR OR VERY LOW. SMOKE DISPERSAL.....GOOD TO EXCELLENT (33600-68200). MIXING HEIGHT.......1500-3300 FT AGL INCREASING TO 2500-3500 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 25 TO 33 MPH DECREASING TO 18 TO 23 MPH IN THE AFTERNOON. $$ FORECASTER...WFO MPX REQUESTED BY...JARED CULBERTSON TYPE OF REQUEST...PRESCRIBED .TAG 20120412.THOMS.01/MPX SKY (%) LEGEND CLR = CLEAR MCR = MOSTLY CLEAR PC = PARTLY CLOUDY MC = MOSTLY CLOUDY CDY = CLOUDY