FNUS73 KFGF 111345 FWSFGF SPOT FORECAST FOR HEADQUARTERS WPA...USFWS-DETROIT LAKES NATIONAL WEATHER SERVICE GRAND FORKS ND 845 AM CDT MON MAY 11 2009 FORECAST IS BASED ON IGNITION TIME OF 0850 CDT ON MAY 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... STRONG TEMPERATURE ADVECTION WILL KEEP THE CHANCE FOR SHOWERS AND THUNDERSTORMS IN THE AREA TODAY ALTHOUGH THE BEST CHANCE FOR ANY RAIN APPEARS TO BE JUST SOUTH OF YOUR BURN SITE. WINDS WILL BE SOUTHERLY WITH GOOD MIXING AND SOME SUN THIS AFTERNOON. MINIMUM RELATIVE HUMIDITIES WILL HINGE ON CLOUD COVER...IF CLOUDS CLEAR AS EXPECTED THEN MINIMUM RELATIVE HUMIDITIES WILL BE DOWN AROUND 30 PERCENT OTHERWISE IF CLOUDS LINGER THEN EXPECT HIGHER RHS. SMOKE DISPERSION WILL BE GREAT TODAY. NO WINDS SHIFTS ARE EXPECTED BUT GIVEN THE SHOWERS AND CHANCE OF THUNDERSTORMS WINDS COULD BECOME ERRATIC NEAR ANY CONVECTIVE ACTIVITY. .TODAY... SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....65-70. MIN HUMIDITY........27-32 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 8000-9400 FT AGL. MIXING WINDS........SOUTHWEST 17 TO 21 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........64 64 64 63 63 62 62 63 64 65 67 69 WEATHER COV..... ISO ISO ISO ISO ISO ISO WEATHER TYPE.... RW RW RW RW RW RW TEMP............46 46 50 53 57 60 63 65 66 67 67 67 RH..............76 73 66 62 56 43 36 35 33 32 34 36 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..5 5 5 6 7 8 8 8 8 8 7 7 20 FT WIND GUST. 10 10 10 10 10 10 10 10 10 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....47-52. MAX HUMIDITY........84-89 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. MIXING HEIGHT.......7300 FT AGL DECREASING TO 300-900 FT AGL. MIXING WINDS........SOUTHEAST 14 TO 23 MPH SHIFTING TO THE SOUTH 12 TO 13 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........70 73 76 82 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 59 54 50 RH..............37 54 70 80 20 FT WIND......S 7G10 SE 7G15 SE 8G15 SE 9G15 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....66-71. MIN HUMIDITY........57-62 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 10 TO 15 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 3200-4900 FT AGL LATE IN THE MORNING...THEN INCREASING TO 4200-5300 FT AGL LATE IN THE AFTERNOON DECREASING TO 3100 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 12 TO 18 MPH INCREASING TO 23 TO 32 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........86 85 81 76 WEATHER COV.....LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............49 57 65 68 RH..............89 80 64 62 20 FT WIND......S 9G15 S 9G15 S 10G15 S 12G20 $$ FORECASTER...KAISER REQUESTED BY...HEATH ESTEY TYPE OF REQUEST...PRESCRIBED .TAG 20090511.HEADQ.01/FGF