FNUS73 KFGF 141301 FWSFGF SPOT FORECAST FOR TNC-PEMBINA TRAIL...NATURE CONSERVANCY NATIONAL WEATHER SERVICE GRAND FORKS ND 801 AM CDT THU OCT 14 2010 FORECAST IS BASED ON IGNITION TIME OF 1130 CDT ON OCTOBER 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... EXPECT SUNNY SKIES AND DRY CONDITIONS AT THE PRESCRIBED BURN SITE TODAY. A COLD FRONT WILL DROP SOUTH FROM CANADA THIS MORNING... RESULTING IN A WIND SHIFT TO THE NORTH-NORTHWEST. WINDS WILL BECOME BREEZY LATE THIS MORNING AND AFTERNOON FROM 15 TO 20 MPH WITH GUSTS TO 25 MPH. AFTERNOON MINIMUM RH VALUES WILL DROP TO AROUND 40 PERCENT. AREAS TO THE NORTHEAST OF THE PRESCRIBED BURN SITE ARE EXPECTED TO SEE INCREASING CLOUD COVER THIS AFTERNOON AND IF SOME OF THESE CLOUDS DRIFT FARTHER SOUTH...MINIMUM RH VALUES COULD BE SLIGHTLY HIGHER. AFTERNOON SMOKE DISPERSION WILL BE EXCELLENT. .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....57-62. MIN HUMIDITY........37-42 PERCENT. WIND (20 FT)........NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 3200-4600 FT AGL LATE IN THE MORNING...THEN DECREASING TO 1700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHWEST 9 TO 15 MPH INCREASING TO 20 TO 29 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........14 9 6 5 5 7 12 22 34 WEATHER COV..... WEATHER TYPE.... TEMP............47 52 55 58 59 58 57 54 51 RH..............63 52 49 44 42 44 45 50 56 20 FT WIND DIR..NW NW NW N N N N N N 20 FT WIND SPD..12 14 16 17 17 16 15 14 11 20 FT WIND GUST.20 25 25 25 25 25 25 20 20 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING CLEAR. PATCHY FROST AFTER MIDNIGHT. MIN TEMPERATURE.....32-37. MAX HUMIDITY........95-100 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 10 MPH EARLY IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........EAST 9 TO 17 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........43 39 21 4 0 0 WEATHER COV..... PATCHY PATCHY PATCHY WEATHER TYPE....NONE NONE NONE FROST FROST FROST TEMP............47 41 37 35 35 34 RH..............65 79 92 96 96 100 20 FT WIND......N 9 N 5 N 4 NE 2 E 2 SE 3 20 FT WIND GUST.15 10 5 5 5 5 .FRIDAY... SKY/WEATHER.........SUNNY. PATCHY FROST EARLY IN THE MORNING. MAX TEMPERATURE.....59-64. MIN HUMIDITY........37-42 PERCENT. WIND (20 FT)........SOUTH WINDS 11 TO 16 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 2100-3100 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 13 TO 22 MPH INCREASING TO AROUND 23 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........4 19 22 20 WEATHER COV.....PATCHY WEATHER TYPE....FROST NONE NONE NONE TEMP............34 44 57 61 RH..............100 70 47 42 20 FT WIND......SE 5G10 S 9G15 S 14G20 S 14G25 $$ FORECASTER...ROGERS REQUESTED BY...MATT MECKLENBURG TYPE OF REQUEST...PRESCRIBED .TAG 20101014.TNCPE.02/FGF