FNUS73 KDLH 101410 FWSDLH SPOT FORECAST FOR LANGLEY...USFS SUPERIOR NF NATIONAL WEATHER SERVICE DULUTH MN 910 AM CDT THU MAY 10 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 10. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL SLOWLY MOVE OFF TO THE EAST OF THE REGION TODAY. BY LATE MORNING...LIGHT AND VARIABLE WINDS WILL SLOWLY INCREASE FROM THE SOUTH TO SOUTHWEST AS LOW LEVEL FLOW BEGINS TO RESPOND TO AN APPROACHING COLD FRONT IN THE WESTERN DAKOTAS. VERY SHALLOW MORNING INVERSIONS WILL MIX OUT RAPIDLY THIS MORNING ALLOWING TEMPERATURES TO WARM INTO THE MID TO UPPER 60S BY THE NOON TO 1 PM TIME FRAME AND CORRESPONDING DROPS IN RELATIVE HUMIDITY INTO THE 30-35 PERCENT RANGE BY EARLY AFTERNOON. SOUTH TO SOUTHWEST WINDS FROM 5-8 MPH WITH PERHAPS A FEW GUSTS ABOVE THE FOREST CANOPY INTO THE 11-14 MPH RANGE 1-5 PM. HIGH TEMPS SHOULD REACH TO NEAR 70 WITH MINIMUM RELATIVE HUMIDITY DROPPING TO AROUND 25 PERCENT FOR A 3-5 HOUR PERIOD MID TO LATE AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....66-71. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 3 MPH IN THE MORNING...THEN BECOMING SOUTHWEST 5-8 MPH. MIXING HEIGHT.......2400 FT AGL INCREASING TO 7050 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO 6300 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH. SMOKE DISPERSAL.....FAIR (13400) INCREASING TO EXCELLENT (85200). TIME (CDT) 11 AM 1 PM 3 PM 5 PM TEMP............63 68 69 68 RH..............35 29 27 31 20 FT WIND DIR..SW SW SW SW 20 FT WIND SPD..7 9 10 10 20 FT WIND GUST.8 14 16 15 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE. CHANCE OF PRECIPITATION 20 PERCENT. MIN TEMPERATURE.....40-45. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........SOUTH WINDS 4 TO 8 MPH BECOMING SOUTHWEST AROUND 3 MPH LATE. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE. MIXING HEIGHT.......3900 FT AGL DECREASING TO 300 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTH 10 TO 15 MPH. SMOKE DISPERSAL.....GOOD (45000) DECREASING TO POOR (1900) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............65 56 48 46 44 43 RH..............40 57 80 86 88 89 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..8 7 5 4 3 3 20 FT WIND GUST.10 8 6 5 $$ FORECASTER...DAN REQUESTED BY...KEN GUITH TYPE OF REQUEST...PRESCRIBED .TAG 20120510.LANGL.02/DLH