FNUS73 KDLH 022058 FWSDLH SPOT FORECAST FOR CUMMINGS...USFS NATIONAL WEATHER SERVICE DULUTH MN 358 PM CDT SUN SEP 2 2012 FORECAST IS BASED ON REQUEST TIME OF 1539 CDT ON SEPTEMBER 02. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AS OF 4 PM SUNDAY...WILDFIRE LOCATION LIES WITHIN A STRONG EAST TO WEST MOISTURE GRADIENT FROM THE MINNESOTA ARROWHEAD TO NORTHWEST MINNESOTA. WHILE RELATIVE HUMIDITY VALUES NEAR THE FIRE ARE CURRENTLY IN THE MID 30S...HUMIDITY VALUES LESS THAN 30 MILES TO THE WEST ARE IN THE 40 TO 50 PERCENT RANGE. IN ADDITION...CLOUDY SKIES AND A BAND OF SHOWERS ARE JUST WEST OF THE FIRE SITE...MOVING SLOWLY EASTWARD. AS A COLD FRONT OVER FAR NORTHWEST MINNESOTA MOVES EASTWARD TONIGHT...THE SHOWERS AND HIGHER HUMIDITY VALUES SHOULD SPREAD EASTWARD INTO THE ELY AREA BY 7-8 PM...IF NOT SOONER. SOUTH TO SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS TO 15-18 MPH SHOULD DIMINISH AROUND SUNSET. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG THE FRONT MID TO LATE EVENING...LINGERING INTO THE OVERNIGHT HOURS. HOWEVER...WIDESPREAD SIGNIFICANT RAIN IS NOT EXPECTED...ONLY WIDELY SCATTERED AMOUNTS UP TO AROUND A QUARTER TO A THIRD OF AN INCH AT MOST. LOCALLY GUSTY AND ERRATIC WINDS UP TO 40 MPH AND CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH ANY THUNDERSTORMS THAT PASS NEAR THE FIRE SITE. WINDS SHOULD SWITCH TO LIGHT WESTERLY LATE TONIGHT AND MONDAY AS THE WEAKENING FRONT MOVES EAST OF THE AREA. TEMPERATURES ON MONDAY SHOULD REBOUND INTO THE LOWER 80S...WITH MINIMUM HUMIDITY VALUES DROPPING INTO THE 30-35 PERCENT RANGE BY MONDAY AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. CHANCE OF PRECIPITATION 60 PERCENT. MIN TEMPERATURE.....56-61. MAX HUMIDITY........95 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH BECOMING WEST 3 TO 4 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTH 10 TO 15 MPH BECOMING WEST LATE. SMOKE DISPERSAL.....POOR (2800). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............72 68 64 63 62 60 RH..............47 78 89 91 94 95 20 FT WIND DIR..SE S S SW SW W 20 FT WIND SPD..9 7 4 3 3 3 20 FT WIND GUST.13 8 5 .LABOR DAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY. MAX TEMPERATURE.....79-84. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 3 TO 6 MPH. MIXING HEIGHT.......800 FT AGL INCREASING TO 2700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 4800 FT AGL EARLY IN THE AFTERNOON DECREASING TO 3900 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....WEST 5 TO 10 MPH. SMOKE DISPERSAL.....POOR (5300) INCREASING TO GOOD (39000). TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM TEMP............59 67 74 79 82 81 RH..............95 77 53 35 31 34 20 FT WIND DIR..W W W W W W 20 FT WIND SPD..3 3 4 5 6 5 20 FT WIND GUST. 5 6 7 6 $$ FORECASTER...DAN REQUESTED BY...JESSI OSSEFOORT TYPE OF REQUEST...WILDFIRE .TAG 20120902.CUMMI.01/DLH