FNUS73 KFGF 272146 FWSFGF SPOT FORECAST FOR SILO WILDFIRE...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 446 PM CDT THU OCT 27 2011 FORECAST IS BASED ON REQUEST TIME OF 1617 CDT ON OCTOBER 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SURFACE TROUGH CUTTING THROUGH CENTRAL NORTH DAKOTA WILL CONTINUE TO TREK EASTWARD DURING THE EVENING HOURS. WINDS AHEAD ARE OUT OF THE SOUTH AND UPON PASSAGE ARE EXPECTED TO SWITCH TO THE WEST AT 5 TO 10 MPH. SMOKE DISPERSION WILL BE POOR WITH THE LIGHTER WIND SPEEDS. THERE IS ALSO A CHANCE OF ISOLATED RAIN SHOWERS LATER TONIGHT ASSOCIATED WITH THE PASSING TROUGH. FOR TOMORROW...WINDS WILL CONTINUE OUT OF THE WEST AT 10 TO 15 MPH WITH GUSTS APPROACHING 20 MPH. MINIMUM AFTERNOON RELATIVE HUMIDITIES WILL BE AROUND 45 TO 50 PERCENT. SMOKE DISPERSION IS EXPECTED TO BE EXCELLENT BY MID-DAY. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY. ISOLATED RAIN SHOWERS THROUGH THE NIGHT. ISOLATED SNOW SHOWERS AFTER MIDNIGHT. TEMPERATURE.........MIN 31. RH..................MAX 97 PERCENT. WIND (20 FT)........SOUTH SWITCHING WEST 5 TO 9 MPH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........WEST 7 TO 10 MPH. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........60 68 75 81 86 88 87 81 73 62 51 40 WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO WEATHER TYPE....RW RW RW RW RW RW RS RS RS RS RS RS TSTM COV........ TEMP............41 40 39 39 39 39 39 38 37 36 34 32 RH..............54 58 66 70 74 84 89 92 97 100 98 94 20 FT WIND DIR..S S S S SW W W W W W W W 20 FT WIND SPD..5 5 6 7 8 8 7 7 7 7 7 7 20 FT WIND GUST.10 10 10 10 15 15 10 10 10 10 10 10 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........MAX 47. RH..................MIN 44 PERCENT. WIND (20 FT)........WEST WINDS 10 TO 15 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 3500-4900 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5600-7000 FT AGL EARLY IN THE AFTERNOON DECREASING TO 4800 FT AGL LATE IN THE AFTERNOON DECREASING TO 2600 FT AGL. MIXING WINDS........WEST 9 TO 18 MPH SHIFTING TO THE NORTHWEST 17 TO 24 MPH IN THE LATE MORNING AND AFTERNOON...THEN SHIFTING TO THE WEST AROUND 13 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........32 27 30 30 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............31 35 45 47 RH..............92 72 51 47 20 FT WIND......W 7G10 W 10G15 NW 14G20 W 12G20 $$ FORECASTER...ROWE REQUESTED BY...STEVE SCHUMACHER TYPE OF REQUEST...WILDFIRE .TAG 20111027.SILOW.01/FGF