FNUS73 KDLH 111310 FWSDLH SPOT FORECAST FOR BLUE BERRY BURN UNIT 1...MN-GPA NATIONAL WEATHER SERVICE DULUTH MN 810 AM CDT MON MAY 11 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON MAY 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AS WE TALKED ABOUT ON THE PHONE...SMOKE DISPERSAL WILL BE THE TRICKY WILD CARD FOR TODAY. THE DAY WILL START WITH A DRAINAGE NORTHWEST WIND...BUT WINDS WILL GRADUALLY BECOME SOUTHWEST AS THE MORNING WEARS ON. WINDS MAY BECOME SOUTH IN THE AFTERNOON. IT LOOKS LIKE THERE WILL BE A WINDOW WHERE SMOKE DISPERSAL COULD REACH THE FAIR CATEGORY...BUT WE DON/T ENVISION SMOKE DISPERSAL REACHING MORE THAN FAIR. MIXING HEIGHTS SHOULD GET TO 1000 FEET AGL AT BEST. AS WINDS COME OFF THE LAKE LATER THIS MORNING AND EARLY IN THE AFTERNOON...THE MARINE INVERSION SHOULD STRENGTHEN. AS A RESULT...INVERSION HEIGHTS MAY REMAIN THE SAME OR EVEN LOWER A BIT IN THE AFTERNOON. .TODAY... SKY / WEATHER.......PARTLY SUNNY. MAX TEMPERATURE.....45-50. MIN HUMIDITY........40 PERCENT. 20-FOOT WINDS.......SOUTHWEST WINDS 4 TO 7 MPH BECOMING SOUTH 5 TO 7 MPH IN THE AFTERNOON. MIXING HEIGHT.......1000 FT AGL. TRANSPORT WINDS.....WEST AROUND 10 MPH BECOMING SOUTHWEST IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (14900). TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM TEMP............39 42 44 45 47 48 RH..............60 55 48 45 42 40 20 FT WIND DIR..NW W SW S S S 20 FT WIND SPD..4 5 6 6 5 5 20 FT WIND GUST.5 6 8 8 7 7 .TONIGHT... SKY / WEATHER.......PARTLY CLOUDY. MIN TEMPERATURE.....33-38. MAX HUMIDITY........75 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 3 TO 5 MPH. MIXING HEIGHT.......750 FT AGL. TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH. SMOKE DISPERSAL.....POOR (7200). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............46 42 40 39 37 36 RH..............43 50 55 57 61 67 20 FT WIND DIR..S S S S SE SE 20 FT WIND SPD..5 4 3 3 3 4 20 FT WIND GUST.6 5 5 .TUESDAY... SKY / WEATHER.......PARTLY SUNNY THEN BECOMING MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT. MAX TEMPERATURE.....44-49. MIN HUMIDITY........64 PERCENT. 20-FOOT WINDS.......EAST WINDS 5 TO 9 MPH INCREASING TO AROUND 11 MPH EARLY IN THE EVENING. MIXING HEIGHT.......350 FT AGL. TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH. SMOKE DISPERSAL.....POOR (3450). TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM TEMP............36 39 42 45 47 47 RH..............72 73 76 73 68 65 20 FT WIND DIR..SE SE E E E E 20 FT WIND SPD..5 6 7 8 7 8 20 FT WIND GUST.6 8 13 14 9 14 $$ FORECASTER...DEAN P. REQUESTED BY...ERIK CARLSON TYPE OF REQUEST...PRESCRIBED .TAG 20090511.BLUEB.01/DLH