FNUS73 KFGF 031356 FWSFGF SPOT FORECAST FOR NELSON PRAIRIE...USFWS DL NATIONAL WEATHER SERVICE GRAND FORKS ND 856 AM CDT SAT APR 3 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A LOW PRESSURE SYSTEM IN WESTERN ONTARIO CONTINUES TO INFLUENCE THE AREA WITH A TIGHT PRESSURE GRADIENT...AND HENCE GUSTY WINDS. HOWEVER...THE COOL AND CLOUDY MORNING WILL GIVE WAY TO A WARM AND SUNNY AFTERNOON AS HIGH PRESSURE MOVES INTO THE AREA. EXPECT GUSTY NORTHWESTERLY WINDS FOR THE EARLY AFTERNOON WITH GRADUAL WEAKENING AFTER ABOUT 3 PM. THE RH SHOULD GET FAIRLY LOW TODAY AS MIXING INCREASES DURING THE AFTERNOON. THE RH WILL ALSO BE DEPENDENT ON HOW QUICKLY THE CLOUDS MOVE OUT OF THE BURN AREA. RIGHT NOW...THINK RH SHOULD GET DOWN TO AROUND 30 PERCENT. SMOKE DISPERSION WILL BE EXCELLENT. CLOUDS WILL BUILD BACK INTO THE AREA TONIGHT. THERE IS A CHANCE OF LIGHT RAIN. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY BECOMING MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING. MAX TEMPERATURE.....52-57. MIN HUMIDITY........29-34 PERCENT. WIND (20 FT)........NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. MIXING HEIGHT.......4400-5900 FT AGL INCREASING TO 7000-8700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 8700-9800 FT AGL EARLY IN THE AFTERNOON DECREASING TO 7600 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........WEST 31 TO 39 MPH DECREASING TO 22 TO 29 MPH LATE IN THE AFTERNOON. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........54 48 44 41 39 39 39 WEATHER COV.....SCH WEATHER TYPE....RN TEMP............49 51 52 53 53 53 52 RH..............56 52 48 39 34 34 35 20 FT WIND DIR..W W W W NW NW NW 20 FT WIND SPD..18 18 17 16 14 12 11 20 FT WIND GUST.30 30 25 25 25 20 20 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE EVENING...THEN SLIGHT CHANCE OF RAIN OR SNOW AFTER MIDNIGHT. MIN TEMPERATURE.....33-38. MAX HUMIDITY........80-85 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH UNTIL EARLY MORNING BECOMING LIGHT...THEN BECOMING SOUTH UP TO 5 MPH EARLY IN THE MORNING. MIXING HEIGHT.......6500 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........WEST 15 TO 18 MPH SHIFTING TO THE NORTHEAST 7 TO 12 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE SOUTH 5 TO 7 MPH LATE IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........41 49 60 68 70 69 WEATHER COV.....CHANCE CHANCE CHANCE S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RAIN RAIN RAIN TEMP............51 47 43 39 36 35 RH..............36 46 60 70 79 85 20 FT WIND......NW 9 N 7 E 5 SE 5 SE 4 S 4 20 FT WIND GUST.15 10 10 5 5 .SUNDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....58-63. MIN HUMIDITY........32-37 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 11 MPH. MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 2600 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5200 FT AGL LATE IN THE MORNING INCREASING TO 7700 FT AGL LATE IN THE MORNING INCREASING TO 9000-10300 FT AGL DECREASING TO 7800 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 6 TO 15 MPH SHIFTING TO THE WEST 17 TO 20 MPH EARLY IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........65 56 49 51 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............37 48 59 59 RH..............79 54 37 37 20 FT WIND......S 5 S 6G10 SW 9G15 SW 10G15 $$ FORECASTER...GROCHOCINSKI REQUESTED BY...LINDY TYPE OF REQUEST...PRESCRIBED .TAG 20100403.NELSO.01/FGF