FNUS73 KFGF 201415 FWSFGF SPOT FORECAST FOR TNC-BP-1...NATURE CONSERVANCY NATIONAL WEATHER SERVICE GRAND FORKS ND 915 AM CDT FRI APR 20 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SKIES ARE FORECAST TO BECOME PARTLY SUNNY LATER THIS MORNING...ALTHOUGH PERIODS OF MOSTLY CLOUDY SKIES ARE POSSIBLE AS MID LEVEL CLOUDS STREAM EASTWARD. HIGH TEMPERATURES WILL CLIMB INTO THE MID TO UPPER 50S THIS AFTERNOON. WITH A RIDGE OF HIGH PRESSURE IN PLACE TODAY ACROSS THE UPPER MIDWEST...WINDS WILL BE LIGHT. IT APPEARS NORTH WINDS WILL GRADUALLY SHIFT TO THE NORTHWEST AND WEST DURING THE AFTERNOON. HOWEVER...GIVEN THE LIGHT FLOW PROJECTED...SOME VARIABILITY IN WIND DIRECTION IS EXPECTED DUE TO LOCAL EFFECTS. AT TIMES...WINDS MAY BE NEARLY CALM. RH VALUES ARE FORECAST TO FALL TO AROUND 30 PERCENT BY EARLY TO MID AFTERNOON. WITH THE LIGHT WINDS...SMOKE DISPERSAL IS EXPECTED TO BE IN THE FAIR CATEGORY THIS AFTERNOON. SHOWERS ARE POSSIBLE OVERNIGHT TONIGHT AND TOMORROW AS THE NEXT UPPER LEVEL SYSTEM APPROACHES. .TODAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....54-59. MIN HUMIDITY........30-35 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 6 MPH EARLY IN THE MORNING...THEN BECOMING LIGHT LATE IN THE MORNING BECOMING WEST UP TO 5 MPH LATE IN THE AFTERNOON BECOMING LIGHT. MIXING HEIGHT.......300 FT AGL INCREASING TO 3700-4700 FT AGL. MIXING WINDS........WEST 3 TO 8 MPH. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........61 55 50 46 43 41 41 42 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............50 52 53 54 55 56 56 56 RH..............38 37 35 35 35 35 36 37 20 FT WIND DIR..N N NW NW NW W W W 20 FT WIND SPD..5 4 3 4 4 5 5 4 20 FT WIND GUST.10 5 5 5 5 10 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....41-46. MAX HUMIDITY........89-94 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......800-2700 FT AGL. MIXING WINDS........SOUTHEAST 5 TO 14 MPH INCREASING TO 15 TO 16 MPH AFTER MIDNIGHT. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........44 49 56 63 71 79 85 89 92 94 96 96 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TSTM COV........ TEMP............55 54 52 50 49 48 47 46 45 44 44 43 RH..............40 43 49 55 57 60 62 64 66 70 76 85 20 FT WIND DIR..W SW SE E SE SE SE SE SE SE S S 20 FT WIND SPD..4 4 4 4 5 6 7 8 8 8 8 8 20 FT WIND GUST.5 5 5 5 10 10 10 10 10 10 10 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....55-60. MIN HUMIDITY........55-60 PERCENT. WIND (20 FT)........NORTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 20 MPH. MIXING HEIGHT.......800-2600 FT AGL. MIXING WINDS........SOUTHEAST 15 TO 17 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........96 93 85 74 WEATHER COV.....LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............43 48 54 57 RH..............91 89 69 60 20 FT WIND......S 8G10 S 9G15 SW 5G10 NW 12G20 $$ FORECASTER...MAKOWSKI REQUESTED BY...MATT MECKLENBURG TYPE OF REQUEST...PRESCRIBED .TAG 20120420.TNCBP.01/FGF