FNUS73 KFGF 061227 FWSFGF SPOT FORECAST FOR HEARTLAND INVESTMENT...US FISH AND WILDLIFE NATIONAL WEATHER SERVICE GRAND FORKS ND 727 AM CDT WED MAY 6 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... EXPECT PARTLY SUNNY SKIES WITH ISOLATED RAIN SHOWERS POSSIBLE THIS MORNING AND ISOLATED THUNDERSTORMS POSSIBLE THIS AFTERNOON AT THE PRESCRIBED BURN SITE AS A LOW PRESSURE SYSTEM MOVES ACROSS SOUTHERN CANADA. LIGHT WINDS THIS MORNING WILL INCREASE AND SHIFT TO THE WEST THIS AFTERNOON WITH PASSAGE OF A WEAK SURFACE BOUNDARY. EXPECT THE STRONGEST WINDS FROM 10 TO 15 MPH THIS AFTERNOON WITH FREQUENT GUSTS TO 25 MPH. WEST WINDS WILL TRANSPORT DRIER AIR ACROSS THE PRESCRIBED BURN SITE AND WITH MAXIMUM TEMPERATURES IN THE LOW 70S...EXPECT MINIMUM RH VALUES TO BE IN THE LOW 30 PERCENT RANGE. HOWEVER...RH VALUES MAY REMAIN ELEVATED IF THICK CLOUD COVER OR PERSISTENT RAIN SHOWERS MOVE OVERHEAD. THURSDAY WILL BE COOLER WITH WINDS SHIFTING TO THE NORTHWEST AFTER A COLD FRONTAL PASSAGE...FROM 15 TO 20 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON. .TODAY... SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS THIS MORNING. ISOLATED THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....70-75. MIN HUMIDITY........31-36 PERCENT. WIND (20 FT)........LIGHT WINDS THIS MORNING BECOMING WEST 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH THIS AFTERNOON. GUSTY AND ERRATIC WINDS ARE POSSIBLE NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 9200-9600 FT AGL. MIXING WINDS........WEST 5 TO 14 MPH INCREASING TO 16 TO 24 MPH IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........62 65 67 65 61 56 51 46 WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO WEATHER TYPE....RW RW RW RW RW RW RW RW TEMP............61 64 68 70 71 71 72 72 RH..............51 48 43 41 39 39 37 37 20 FT WIND DIR..SW W W W W W W W 20 FT WIND SPD..9 11 12 14 14 14 14 14 20 FT WIND GUST.15 20 20 20 25 25 25 25 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. MIN TEMPERATURE.....43-48. MAX HUMIDITY........77-82 PERCENT. WIND (20 FT)........WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH EARLY IN THE EVENING. MIXING HEIGHT.......9000 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........WEST 21 TO 25 MPH DECREASING TO 9 TO 15 MPH EARLY IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........42 40 41 44 48 52 WEATHER COV.....S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............71 65 58 53 49 46 RH..............36 43 55 64 71 79 20 FT WIND......W 14 W 11 W 9 W 7 W 6 W 6 20 FT WIND GUST.25 15 15 10 10 10 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....66-71. MIN HUMIDITY........29-34 PERCENT. WIND (20 FT)........WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......300-1100 FT AGL INCREASING TO 7600-8700 FT AGL. MIXING WINDS........WEST 10 TO 16 MPH INCREASING TO NORTHWEST 21 TO 30 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........56 61 61 54 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE RNSHWR RNSHWR TEMP............45 55 64 68 RH..............82 59 43 37 20 FT WIND......W 7G10 W 12G20 NW 16G25 W 17G25 $$ FORECASTER...ROGERS REQUESTED BY...TROY BOSCHEE TYPE OF REQUEST...PRESCRIBED .TAG 20090506.HEART.01/FGF