FNUS73 KMPX 041338 FWSMPX SPOT FORECAST FOR PETERSON BURN...SMSC NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 838 AM CDT MON MAY 4 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 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 WILL BEGIN EAST THIS MORNING...THEN SOUTHEAST...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. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........61 AT IGNITION...MAX 72. RH..................35 PERCENT AT IGNITION...MIN 28 PERCENT. WIND (20 FT)........WINDS SOUTHEAST AT 6 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 OR LOW AT IGNITION...MAX 5. SMOKE DISPERSAL.....POOR TO GOOD (6500-48400) INCREASING TO EXCELLENT (70100-102300) IN THE AFTERNOON. MIXING HEIGHT.......1100-1500 FT AGL INCREASING TO 8000-9100 FT AGL. MIXING WINDS........SOUTH 8 TO 15 MPH. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............52 61 67 71 72 70 RH..............48 35 29 28 29 32 20 FT WIND......E 4 SE 5 S 7 S 8 S 9 S 8 20 FT WIND GUST.5 10 15 15 15 HAINES INDEX....4 4 4 5 5 5 $$ FORECASTER...RICHARDSON REQUESTED BY...SHAWN KELLEY TYPE OF REQUEST...PRESCRIBED .TAG 20090504.PETER.02/MPX