FNUS73 KFGF 091010 FWSFGF SPOT FORECAST FOR MU 3...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 510 AM CDT FRI APR 9 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A DRY FRONTAL PASSAGE WILL SWITCH WINDS FROM SOUTH TO NORTHWEST. THIS WIND SWITCH IS EXPECTED TO OCCUR AROUND NOON AT YOUR BURN SITE. THINKING THAT WINDS AT IGNITION TIME (11AM) WILL BE RATHER LIGHT...BUT GRADUALLY INCREASE AND TURN TO THE NORTHWEST BY 1 PM...WITH GUSTS TO AROUND 20 MPH THROUGH THE AFTERNOON HOURS. HUMIDITY VALUES WILL BE LOW THROUGH THE AFTERNOON HOURS...MOST LIKELY 20 TO 30 PERCENT. SMOKE DISPERSAL WILL BE FAIR AT IGNITION TIME...AND INCREASE TO VERY GOOD IN THE AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....57-62. MIN HUMIDITY........20-25 PERCENT. WIND (20 FT)........SOUTH SWITCHING TO NORTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 5500-6100 FT AGL. MIXING WINDS........SOUTHWEST AROUND 10 MPH SHIFTING TO THE NORTHWEST 15 TO 20 MPH LATE IN THE MORNING. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........49 47 45 43 40 37 34 32 30 WEATHER COV..... WEATHER TYPE.... TEMP............43 47 50 54 56 58 59 59 59 RH..............57 51 42 30 28 25 23 22 22 20 FT WIND DIR..S SW W NW NW NW NW NW NW 20 FT WIND SPD..8 5 9 12 13 13 13 13 12 20 FT WIND GUST.15 10 15 18 18 18 18 18 18 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. MIN TEMPERATURE.....32-37. MAX HUMIDITY........61-66 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 11 MPH IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......4200-6100 FT AGL DECREASING TO 300 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHWEST 9 TO 18 MPH SHIFTING TO THE WEST 6 TO 8 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........30 36 45 52 53 52 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............58 51 45 42 38 36 RH..............23 32 41 48 57 61 20 FT WIND......NW 10 NW 7 W 5 W 4 W 4 W 3 20 FT WIND GUST.15 15 10 5 5 5 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....58-63. MIN HUMIDITY........19-24 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 6 TO 11 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 8800-10200 FT AGL. MIXING WINDS........WEST 7 TO 15 MPH INCREASING TO 17 TO 23 MPH IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........49 42 38 38 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............34 43 54 59 RH..............66 41 26 25 20 FT WIND......W 4G5 W 7G15 W 9G15 W 9G15 $$ FORECASTER...TG REQUESTED BY...JEFF OLSON TYPE OF REQUEST...PRESCRIBED .TAG 20100409.MU3__.01/FGF