FNUS73 KDLH 031409 FWSDLH SPOT FORECAST FOR VANDERVEEN 5-9...USFS NATIONAL WEATHER SERVICE DULUTH MN 909 AM CDT SUN MAY 3 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A DEEP NORTHWEST FLOW WILL CONTINUE ACROSS THE GOGEBIC RANGE AND PHILLIPS AREA TODAY. AT THIS TIME...HIGH PRESSURE REMAINS OVER THE DAKOTAS. THE NORTHWEST FLOW WILL WEAKEN AT THE SURFACE AS THE HIGH BUILDS OVER THE GREAT LAKES...WITH A HIGH CENTER OVER EACH LAKE TONIGHT. THE HIGH WILL BUILD OVER THE CENTRAL LAKES WITH A DRY RETURN FLOW BEHIND THE HIGH OVER THE GOGEBIC RANGE MONDAY. A HARD TO DESCRIBE CLIFFS AND COLD WATER MECHANISM WILL CAUSE A GREAT DEAL OF LOW LEVEL DRYING THROUGHOUT THE LAKE SUPERIOR BASIN THIS AFTERNOON THROUGH MONDAY. LIGHT LOCAL-TOPOGRAPHY WINDS WILL VERY SOON BE REPLACED BY GRADUALLY INCREASING SURFACE WINDS OUT OF THE WEST IN RESPONSE TO THE FLOW AROUND THE DAKOTA HIGH THIS AFTERNOON. TEMPERATURES INLAND...SOUTH OF THE CREST OF THE GOGEBIC RANGE...WILL RISE INTO THE LOW TO MID 60S THIS AFTERNOON BEFORE DROPPING BELOW FREEZING IN THE VERY DRY AIR TONIGHT...TEMPERATURES WILL RECOVER THEN WARM TO NEAR 70 MONDAY. WITH THE STRONG LOW LEVEL COOLING...SMOKE DISPERSAL...EXCELLEHT THIS AFTERNOON AND EARLY EVENING WILL DETERIORATE TO POOR LEVELS LATE TONIGHT...THEN RETURN TO EXCELLENT MONDAY MORNING. .TODAY... SKY / WEATHER.......MOSTLY SUNNY. MAX TEMPERATURE.....60-65. MIN HUMIDITY........18 PERCENT. 20-FOOT WINDS.......LIGHT WINDS BECOMING WEST 7 TO 10 MPH. MIXING HEIGHT.......400 FT AGL INCREASING TO 8650 FT AGL. TRANSPORT WINDS.....WEST 15 TO 20 MPH. SMOKE DISPERSAL.....FAIR (16500) INCREASING TO EXCELLENT (134400) IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM TEMP............47 51 55 58 60 62 63 63 62 RH..............38 32 26 23 21 20 19 18 20 20 FT WIND DIR..W W W W W W W W W 20 FT WIND SPD..6 7 7 8 8 9 8 8 6 20 FT WIND GUST.8 12 12 14 14 15 14 14 8 .TONIGHT... SKY / WEATHER.......MOSTLY CLEAR. MIN TEMPERATURE.....23-28. MAX HUMIDITY........92 PERCENT. 20-FOOT WINDS.......WEST WINDS 3 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......2900 FT AGL DECREASING TO 350 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH BECOMING NORTH LATE. SMOKE DISPERSAL.....EXCELLENT (77000) DECREASING TO POOR (950) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............58 46 39 34 31 28 RH..............23 37 50 64 75 88 20 FT WIND DIR..W W W SW SW S 20 FT WIND SPD..5 4 2 1 0 0 20 FT WIND GUST.7 5 .MONDAY... SKY / WEATHER.......MOSTLY SUNNY. MAX TEMPERATURE.....64-69. MIN HUMIDITY........18 PERCENT. 20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH 9 TO 10 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 5550 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTHEAST AROUND 0 MPH BECOMING SOUTH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (22100) INCREASING TO EXCELLENT (77200) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM TEMP............26 37 50 59 65 67 RH..............92 59 33 23 19 19 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..1 3 5 5 8 9 20 FT WIND GUST. 6 7 14 15 $$ FORECASTER...PETER REQUESTED BY...STEVE RADAJ TYPE OF REQUEST...PRESCRIBED .TAG 20090503.VANDE.01/DLH