FNUS73 KFGF 241257 FWSFGF SPOT FORECAST FOR THYKESON WPA...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 757 AM CDT TUE APR 24 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WARM CONDITIONS ARE EXPECTED TODAY AHEAD OF AN APPROACHING LOW PRESSURE SYSTEM...WITH HIGH TEMPERATURES AROUND 80. LIGHT WINDS WILL BECOME SOUTHEASTERLY BY LATE MORNING AT AROUND 10 TO 15 MPH. A FEW GUSTS TO 20 MPH ARE EXPECTED THIS AFTERNOON. WINDS MAY BE LIGHT AND VARIABLE AT TIMES THIS MORNING AT THE BURN SITE. WITH DEEP VERTICAL MIXING THIS AFTERNOON TO ABOVE 5000 FT AND WARM TEMPERATURES...RH VALUES SHOULD QUICKLY FALL...BOTTOMING OUT AROUND 25 TO 30 PERCENT THIS AFTERNOON. SMOKE DISPERSAL THIS AFTERNOON IS EXPECTED TO BE GOOD. SHOWERS AND A FEW THUNDERSTORMS ARE POSSIBLE THIS EVENING AND TONIGHT WITH THE LOW PRESSURE SYSTEM AND APPROACHING COLD FRONT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....77-82. MIN HUMIDITY........25-30 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 6 TO 11 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 4900-6100 FT AGL. MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO AROUND 16 MPH LATE IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........34 37 40 43 45 47 49 51 53 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............57 62 67 71 75 77 78 79 78 RH..............62 52 43 38 33 32 31 30 31 20 FT WIND DIR..SE SE SE SE SE SE SE SE S 20 FT WIND SPD..8 9 9 9 10 10 11 11 11 20 FT WIND GUST.10 10 15 15 15 15 15 15 15 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. MIN TEMPERATURE.....50-55. MAX HUMIDITY........81-86 PERCENT. WIND (20 FT)........NORTHWEST WINDS 6 TO 11 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......3000-4300 FT AGL DECREASING TO 300 FT AGL EARLY IN THE EVENING. MIXING WINDS........EAST 9 TO 18 MPH SHIFTING TO THE NORTHEAST AROUND 8 MPH EARLY IN THE MORNING...THEN SHIFTING TO THE NORTH EARLY IN THE MORNING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........55 59 63 65 62 57 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........S CHC S CHC S CHC S CHC S CHC S CHC TEMP............76 69 63 60 56 53 RH..............33 45 58 64 77 83 20 FT WIND......S 11 SE 10 SE 9 SE 8 SW 6 W 5 20 FT WIND GUST.15 15 10 10 10 $$ FORECASTER...MAKOWSKI REQUESTED BY...TERRY GWILLIAMS TYPE OF REQUEST...PRESCRIBED .TAG 20120424.THYKE.01/FGF