FNUS73 KFGF 211115 FWSFGF SPOT FORECAST FOR STINKEOWAY...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 615 AM CDT THU MAY 21 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SUNNY AND MILD WEATHER NEAR 60 DEGREES IS EXPECTED TODAY AS HIGH PRESSURE PUSHES INTO EASTERN ND. WINDS SHOULD BE LIGHT AND NORTHWEST NEAR BURN TIME...BUT EXPECT INCREASING LIGHTER WINDS AND VARIABLE DIRECTION DURING THROUGH THE AFTERNOON AS THE HIGH PRESSURE CENTER PUSHES INTO THE VALLEY. BEST GUESS FOR WIND DIRECTION DURING THE MORE VARIABLE AFTERNOON WOULD BE WEST. THE GOOD SUN AND GOOD POTENTIAL FOR MIXING OF DRIER AIR ALOFT LEADS ME TO BELIEVE RELATIVE HUMIDITY WILL GET DOWN TO THE 20 PERCENT RANGE THIS AFTERNOON. WOULD NOT EXPECT ANYTHING LOWER IN RH...BUT POSSIBLY A LITTLE HIGHER IF THERE IS LESS MIXING. SMOKE DISPERSION LOOKS EXCELLENT UNTIL LATE AFTERNOON WHEN THE WINDS REALLY BECOME TOO LIGHT. THERE COULD BE SOME SHOWERS AFTER MIDNIGHT TONIGHT...AND RH RECOVERY SHOULD BE LIMITED. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....57-62. MIN HUMIDITY........23-28 PERCENT. WIND (20 FT)........NORTHWEST BECOMING WEST WINDS 6 TO 11 MPH. MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 7000-7600 FT AGL. MIXING WINDS........WEST 16 TO 22 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........28 28 28 28 28 29 29 30 31 WEATHER COV..... WEATHER TYPE.... TEMP............49 52 54 57 58 59 60 60 60 RH..............51 46 36 31 30 29 28 29 32 20 FT WIND DIR..NW NW NW NW W W W W SW 20 FT WIND SPD..9 10 10 10 9 8 7 6 6 20 FT WIND GUST.15 15 15 15 15 15 10 10 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....41-46. MAX HUMIDITY........65-70 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH. MIXING HEIGHT.......6800 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........SOUTH 9 TO 16 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........32 40 50 59 65 70 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............59 56 51 48 45 44 RH..............33 39 48 54 59 65 20 FT WIND......SW 5 SW 6 S 8 S 9 S 10 S 9 20 FT WIND GUST.10 10 15 15 15 15 $$ FORECASTER...GROCHOCINSKI REQUESTED BY...CHRIS ROED TYPE OF REQUEST...PRESCRIBED .TAG 20090521.STINK.01/FGF