FNUS73 KFGF 111223 FWSFGF SPOT FORECAST FOR HOFF-FRONNING...USFWS FERGUS FALLS NATIONAL WEATHER SERVICE GRAND FORKS ND 723 AM CDT MON MAY 11 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... GEAR UP FOR A WARMER DAY AS THE SOUTHERLY WINDS INCREASE AHEAD OF THE BUILDING LOW PRESSURE IN WYOMING/MONTANA. SUSPECT THE WINDS WILL GENERALLY HAVE A SLIGHT COMPONENT FROM THE EAST... HOWEVER SINCE THE WINDS WILL BE LIGHT...CANNOT RULE OUT AN OCCASIONAL BRIEF SWITCH TO A WEST COMPONENT. THE DAY SHIFT FORECASTER CAN MONITOR HOW THE WINDS SET UP BY BURN TIME...SO FEEL FREE TO CALL FOR AN UPDATE. DO NOT THINK GUSTS WILL BE ANY HIGHER THAN 15 MPH DURING AFTERNOON. THERE COULD BE ISOLATED SHOWERS...PERHAPS A STORM..DURING THE AFTERNOON. ANY SHOWER OR STORM COULD CAUSE ERRATIC HIGHER WIND SPEEDS. ANTICIPATE EXCELLENT SMOKE DISPERSION. DECENT SUN AND MIXING OF AIR ALOFT SHOULD ALLOW A MINIMUM RH NEAR 30 PERCENT. WINDS WILL INCREASE THIS EVENING AS THE LOW ORGANIZES AND THE PRESSURE GRADIENT STRENGTHENS. WINDS WILL BECOME MORE SOUTHEAST. CHANCE FOR SHOWERS AND STORMS WILL INCREASE...ESPECIALLY AFTER MIDNIGHT. TUESDAY...THE WINDS WILL BE GUSTY AND THERE IS A GOOD CHANCE OF AT LEAST 0.25 INCHES OF RAINFALL TUESDAY FROM SHOWERS AND POSSIBLE STORMS. BETTER CHANCE OF PRECIPITATION TO THE NORTH FROM GRAND FORKS TO BEMIDJI. .TODAY... SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....65-70. MIN HUMIDITY........27-32 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 9500-10700 FT AGL. MIXING WINDS........SOUTHWEST 9 TO 17 MPH INCREASING TO 21 TO 23 MPH EARLY IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........68 67 66 66 66 67 67 68 69 WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO ISO WEATHER TYPE....RW RW RW RW RW RW RW RW RW TEMP............53 57 60 63 65 66 67 67 67 RH..............56 51 41 36 35 33 32 33 35 20 FT WIND DIR..S S S S S S S S S 20 FT WIND SPD..6 7 8 9 9 9 9 9 9 20 FT WIND GUST.10 10 10 15 15 15 15 15 15 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....47-52. MAX HUMIDITY........84-89 PERCENT. WIND (20 FT)........SOUTH WINDS 11 TO 16 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......9300 FT AGL DECREASING TO 300-800 FT AGL. MIXING WINDS........SOUTHEAST 23 TO 30 MPH SHIFTING TO THE SOUTH 15 TO 20 MPH LATE IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........70 72 74 77 81 84 WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 62 57 54 52 50 RH..............37 47 60 70 75 83 20 FT WIND......S 9 S 10 S 11 S 12 S 14 S 14 20 FT WIND GUST.15 15 15 20 20 20 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....67-72. MIN HUMIDITY........55-60 PERCENT. WIND (20 FT)........SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 5000-5900 FT AGL. MIXING WINDS........SOUTH 17 TO 24 MPH INCREASING TO AROUND 38 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........85 82 76 71 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............49 58 66 69 RH..............89 72 60 60 20 FT WIND......S 14G25 S 16G25 S 18G30 S 17G30 $$ FORECASTER...GROCHOCINSKI REQUESTED BY...TROY BOSCHEE TYPE OF REQUEST...PRESCRIBED .TAG 20090511.HOFFF.01/FGF