FNUS73 KFGF 071211 FWSFGF SPOT FORECAST FOR SETHRE...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 711 AM CDT MON MAY 7 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 07. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER LEVEL LOW PRESSURE SYSTEM ACROSS SOUTHERN MANITOBA TODAY WILL RESULT IN INCREASING CLOUDS AT THE BURN SITE THIS LATER THIS MORNING. SCATTERED SHOWERS ARE POSSIBLE DURING THE AFTERNOON AND EVENING HOURS. ANY RAINFALL ACCUMULATION IS EXPECTED TO REMAIN QUITE LIGHT. WINDS WILL STRENGTHEN FROM THE WEST TO NORTHWEST AT SPEEDS UP TO 25 MPH...WITH HIGHER GUSTS. RH IS EXPECTED TO DROP TO AROUND 45 PERCENT THIS AFTERNOON. THERE IS SOME UNCERTAINTY REGARDING HOW MUCH AND HOW QUICKLY THE RH WILL FALL...DEPENDING ON HOW FAST CLOUDS MOVE IN. WITH A DEEP MIXED LAYER DEVELOPING...SMOKE DISPERSION IS EXPECTED TO BE EXCELLENT THIS AFTERNOON. WINDS WILL SHIFT TO A MORE NORTHWESTERLY DIRECTION TONIGHT AND DIMINISH...WITH RH RISING ABOVE 85 PERCENT. .TODAY... SKY/WEATHER.........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....59-64. MIN HUMIDITY........44-49 PERCENT. WIND (20 FT)........WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH. MIXING HEIGHT.......1300-2500 FT AGL INCREASING TO 6100-7200 FT AGL. MIXING WINDS........WEST 23 TO 30 MPH. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........30 36 42 49 54 58 61 64 66 68 WEATHER COV..... SCT SCT SCT SCT SCT SCT WEATHER TYPE.... RW RW RW RW RW RW TSTM COV........ TEMP............53 56 58 60 60 60 59 58 57 57 RH..............61 55 52 49 49 49 51 52 54 53 20 FT WIND DIR..W W W W W W W W W W 20 FT WIND SPD..15 17 18 19 19 20 20 20 19 18 20 FT WIND GUST.25 25 30 30 30 30 30 30 30 30 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....42-47. MAX HUMIDITY........88-93 PERCENT. WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 25 MPH IN THE EVENING. MIXING HEIGHT.......3800-5500 FT AGL DECREASING TO 300 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHWEST 21 TO 29 MPH DECREASING TO 16 TO 21 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........69 69 67 68 75 84 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............56 52 49 48 46 45 RH..............55 64 72 77 84 88 20 FT WIND......W 17 W 15 NW 13 NW 12 NW 11 NW 10 20 FT WIND GUST.25 20 20 20 15 15 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. MAX TEMPERATURE.....54-59. MIN HUMIDITY........54-59 PERCENT. WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 25 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......800-2700 FT AGL INCREASING TO 3100-4900 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTHWEST 16 TO 25 MPH SHIFTING TO THE NORTH 28 TO 30 MPH IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........91 91 84 71 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............44 47 51 54 RH..............93 83 71 64 20 FT WIND......NW 10G15 NW 12G20 NW 16G25 NW 17G25 $$ FORECASTER...MAKOWSKI REQUESTED BY...TROY BOSCHEE TYPE OF REQUEST...PRESCRIBED .TAG 20120507.SETHR.01/FGF