FNUS73 KDLH 281954 AAA FWSDLH SPOT FORECAST FOR BREWIS...UPDATED NATIONAL WEATHER SERVICE DULUTH MN 254 PM CDT SAT AUG 28 2010 FORECAST IS BASED ON REQUEST TIME OF 1416 CDT ON AUGUST 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WARM AIR MASS WITH STRONG SOUTHERLY WINDS AND GRADUALLY INCREASING HUMIDITIES WILL REMAIN IN PLACE OVER THE BREWIS FIRE AREA THROUGH MONDAY. A COLD FRONT WILL THEN SWEEP EAST OVER THE BORDERLAND LATE MONDAY NIGHT INTO TUESDAY BRINGING A CHANCE FOR RAIN AND STORMS AND A SWITCH TO WEST WINDS. TODAY THROUGH MONDAY... MAX TEMPERATURES WILL REMAIN IN THE 82-86 DEGREE RANGE THROUGH MONDAY. SOUTH WINDS OF 10 TO 15 MPH WILL ALSO PERSIST...WITH GUSTS OF 25 TO 30 MPH DURING THE DAYTIME HOURS. WINDS ALOFT...AROUND 2-3 KFT AGL...WILL INCREASE TO AROUND 50 KT DURING THE OVERNIGHT HOURS TONIGHT AND AGAIN SUNDAY NIGHT. HUMIDITY VALUES WILL GRADUALLY BE ON THE RISE AS THE SOUTHERLY FLOW USHERS IN RISING DEW POINTS. RECOVERY RH VALUES OVERNIGHT WILL BE AROUND 75 PERCENT...WITH HIGHER READINGS SUNDAY NIGHT. SOME UNCERTAINTY REMAINS IN MIN RH SUNDAY AND MONDAY. ALTHOUGH EXPECTING GOOD LAPSE RATES TO 5 KFT TO MIX DRIER DEW POINTS TO THE SURFACE IN THE AFTERNOON...THERE WILL ALSO STRONG NORTHWARD ADVECTION OF WARMER DEW POINTS AT THE SURFACE TO OVERCOME. INCREASED RH VALUES BY A FEW PERCENT FROM PREVIOUS FORECAST THROUGH MONDAY...CLOSER IN LINE WITH LATEST MODEL GUIDANCE. SKIES WILL REMAIN CLEAR TODAY AND TONIGHT...WITH INCREASING CLOUDS SUNDAY EVENING INTO MONDAY. MONDAY AND TUESDAY... A SIGNIFICANT PUSH OF MOISTURE IS EXPECTED AHEAD OF THE LOW PRESSURE SYSTEM MONDAY AFTERNOON THROUGH TUESDAY MORNING. MIN RH VALUES MONDAY WILL BE AROUND 50 PERCENT. THERE MAY BE A FEW ISOLATED SHOWERS MONDAY DUE TO THE INCREASE IN MOISTURE AND INSTABILITY AHEAD OF THE FRONT. HOWEVER...THE BEST CHANCE FOR RAIN AND A FEW THUNDERSTORMS WILL BE WITH THE FRONTAL PASSAGE. AT THIS TIME...THE COLD FRONT IS FORECAST TO MOVE OVER THE BREWIS FIRE BETWEEN 0600 AND 1200 TUESDAY MORNING BRINGING RAINFALL AMOUNTS AROUND A HALF INCH. ONCE THE FRONT PASSES...WINDS WILL BECOME GUSTY OUT OF THE WEST. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....59-64. MAX HUMIDITY........78 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH. FEW GSUTS TO 18 MPH. MIXING HEIGHT.......1150 FT AGL. TRANSPORT WINDS.....SOUTH 15 TO 20 MPH. SMOKE DISPERSAL.....GOOD (57500) DECREASING TO POOR (7350) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............79 71 67 65 64 63 RH..............47 61 70 73 75 78 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..9 8 7 6 5 5 20 FT WIND GUST.17 16 14 13 7 7 .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....82-87. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH INCREASING TO AROUND 17 MPH WITH GUSTS TO AROUND 28 MPH. MIXING HEIGHT.......5450 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 25 TO 30 MPH. SMOKE DISPERSAL.....GOOD (32600) INCREASING TO EXCELLENT (108000) IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM TEMP............62 70 77 82 85 84 RH..............84 63 50 44 40 43 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..6 9 12 14 15 15 20 FT WIND GUST.13 17 23 26 28 28 $$ FORECASTER...AMANDA REQUESTED BY...MARK HALE TYPE OF REQUEST...WILDFIRE .TAG 20100828.BREWI.01/DLH