FNUS73 KFGF 201153 FWSFGF SPOT FORECAST FOR HEARTLEBEN...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 653 AM CDT THU OCT 20 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON OCTOBER 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A RIDGE AXIS OF HIGH PRESSURE WILL SLOWLY SHIFT EASTWARD ACROSS SOUTHEASTERN NORTH DAKOTA TODAY...PROVIDING SUNNY SKIES. THE WINDS WILL BE VERY LIGHT AND VARIABLE THROUGH THE AFTERNOON UNTIL THE RIDGE AXIS MOVES FAR ENOUGH TO THE EAST SO THAT SOUTHERLY WINDS DEVELOP THIS EVENING. SMOKE DISPERSION WILL BE POOR DUE TO THE LACK OF WIND FLOW. RELATIVE HUMIDITY SHOULD FALL TO ABOUT 40 PERCENT. .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....49-54. MIN HUMIDITY........39-44 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT.......300 FT AGL INCREASING TO 2800-4100 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1500 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 2 TO 3 MPH SHIFTING TO THE SOUTH AROUND 3 MPH LATE IN THE AFTERNOON. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........10 12 12 12 12 12 13 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............43 46 49 50 50 48 45 RH..............59 53 51 46 44 48 56 20 FT WIND DIR..NW NW W W W SW S 20 FT WIND SPD..3 3 3 2 2 2 2 20 FT WIND GUST.5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....28-33. MAX HUMIDITY........80-85 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH EARLY IN THE EVENING. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........SOUTH 3 TO 9 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........13 15 18 21 25 28 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............42 38 36 33 31 30 RH..............60 67 73 82 84 84 20 FT WIND......SE 3 S 5 S 5 S 5 S 5 S 6 20 FT WIND GUST.5 10 10 10 10 10 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....62-67. MIN HUMIDITY........39-44 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 9 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 2600-3800 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1400 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHWEST 8 TO 16 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........30 28 28 38 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............32 43 59 63 RH..............81 62 45 44 20 FT WIND......S 5G10 SW 5G10 W 6G10 NW 8G15 $$ FORECASTER...GROCHOCINSKI REQUESTED BY...JASON WAGNER TYPE OF REQUEST...PRESCRIBED .TAG 20111020.HEART.01/FGF