FNUS73 KMPX 041206 FWSMPX SPOT FORECAST FOR ROBERTS WPA...USFWS MN VALLEY NWR NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 706 AM CDT MON MAY 4 2009 FORECAST IS BASED ON IGNITION TIME OF 1130 CDT ON MAY 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL SHIFT EASTWARD TODAY ALLOWING SOUTHERLY WINDS TO RETURN TO THE PLANNING FORECAST AREA. LIGHT WINDS EARLY THIS MORNING TURN MORE SOUTHEAST THIS LATER THIS MORNING BEFORE BECOMING CLOSE TO DUE SOUTH THIS AFTERNOON. SPEEDS WILL INCREASE THIS AFTERNOON...WITH GUSTS TO 20 MPH LIKELY IN WESTERN MINNESOTA. HUMIDITIES WILL DROP TO 25 TO 35 PERCENT FROM WESTERN WISCONSIN TO WESTERN MINNESOTA. RAIN CHANCES WILL BEGIN TONIGHT DUE TO AN UPPER LEVEL DISTURBANCE AND PERSIST FOR MUCH OF THIS WEEK DUE TO AN UNSETTLED WEATHER PATTERN. NO HEAVY RAINS ARE EXPECTED AT THIS TIME HOWEVER. THE MOST LIKELY WINDOWS OF TIME FOR RAIN ARE LATE TONIGHT AND THEN AGAIN TUESDAY NIGHT...PARTICULARLY IN SOUTHERN MINNESOTA. .TODAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........64 AT IGNITION...MAX 71. RH..................41 PERCENT AT IGNITION...MIN 31 PERCENT. WIND (20 FT)........WINDS SOUTH AT 8 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH 7 TO 12 MPH EARLY IN THE MORNING. HAINES INDEX........4 OR LOW AT IGNITION...MAX 5. SMOKE DISPERSAL.....POOR TO GOOD (900-47900) INCREASING TO EXCELLENT (63600-105000) IN THE AFTERNOON. MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 8500-9500 FT AGL. MIXING WINDS........SOUTH 5 TO 14 MPH INCREASING TO AROUND 15 MPH LATE IN THE AFTERNOON. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............53 61 67 70 71 69 RH..............54 41 36 32 32 36 20 FT WIND......SE 5 SE 6 S 8 S 10 S 11 S 11 20 FT WIND GUST. 10 15 15 20 20 HAINES INDEX....4 4 4 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF RAIN 50 PERCENT. TEMPERATURE.........MIN 53. RH..................MAX 77 PERCENT. WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH. SMOKE DISPERSAL.....GOOD TO EXCELLENT (49400-98000) DECREASING TO FAIR (13600-27600) IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......8200 FT AGL DECREASING TO 800-1500 FT AGL. MIXING WINDS........SOUTH 16 TO 25 MPH INCREASING TO 24 TO 26 MPH AFTER MIDNIGHT. .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN 50 PERCENT. TEMPERATURE.........MAX 70. RH..................MIN 51 PERCENT. WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH. HAINES INDEX........3 TO 4 OR OR VERY LOW TO OR LOW. SMOKE DISPERSAL.....FAIR TO GOOD (13100-59600) INCREASING TO EXCELLENT (124300-140300). MIXING HEIGHT.......700-2200 FT AGL INCREASING TO 6600-7400 FT AGL. MIXING WINDS........SOUTHWEST 21 TO 25 MPH. $$ FORECASTER...RICHARDSON REQUESTED BY...JAMI MARKLE TYPE OF REQUEST...PRESCRIBED .TAG 20090504.ROBER.01/MPX