FNUS76 KPQR 152316 FWSPQR SPOT FORECAST FOR SCOTT MOUNTAIN FIRE...USFS WNF NATIONAL WEATHER SERVICE PORTLAND OR 415 PM PDT WED SEP 15 2010 FORECAST IS BASED ON REQUEST TIME OF 1534 PDT ON SEPTEMBER 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...LITTLE WARMER THURSDAY... ...WET THUNDERSTORM THREAT FRIDAY... .DISCUSSION...A FRONTAL BOUNDARY NEAR THE COAST RANGE AT 1500 WILL DRIFT TO THE NORTH WILLAMETTE VALLEY BY LATE EVENING. THE FRONT WILL NOT MAKE IT TO THE WILLAMETTE NF. THERE MAY BE SOME LIGHT SHOWERS OVER THE FIRE TONIGHT...BUT ANY RAINFALL AMOUNTS WILL BE MINIMAL. THE FRONT WILL CONTINUE TO WEAKEN AND BE PUSHED NORTH THURSDAY AS HIGH PRESSURE STRENGTHENS OVER THE PACIFIC NORTHWEST. EXPECT A FEW DEGREES OF WARMING THURSDAY. SURFACE GRADIENTS WILL BE RATHER WEAK. A MORE MOIST AND UNSTABLE SOUTH FLOW ALOFT DEVELOPS FRIDAY MORNING DUE TO THE NEXT APPROACHING FRONTAL BAND. THE FRONT IS EXPECTED TO REACH THE COAST FRIDAY MORNING. HOWEVER...AHEAD OF THE FRONT IT WILL BE WARM AND UNSTABLE FOR A THREAT OF THUNDERSTORMS. ANY STORMS THAT DEVELOP WILL BE WET. THE FRONT PUSHES INLAND LATE FRIDAY AFTERNOON AND THERE IS A GOOD CHANCE OF WETTING RAIN OVER THE FIRE FRIDAY NIGHT. THE WEEKEND LOOKS COOL AND WITH ADDITIONAL RAINFALL POSSIBLE...ESPECIALLY SATURDAY. LONGER RANGE CHARTS SHOW A DRYING TREND AROUND THE MIDDLE OF NEXT WEEK. CHANCE OF WETTING RAIN (CWR) 0.25 INCHES OR GREATER. FORECAST WINDS ARE 10 MINUTE AVERAGES 20 FT ABOVE VEGETATION. THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS. .THURSDAY... SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. CWR (%).............5 PERCENT. MAX TEMPERATURE.....67 HIGHEST ELEVATIONS TO 75 LOWEST. MIN HUMIDITY........42 TO 52 PERCENT...BUT TO 35 PERCENT SOUTH ASPECTS. WIND (20 FT)........RIDGE-TOP - SOUTH 2 TO 6 MPH IN THE MORNING THEN WEST TO NORTHWEST 5 TO 10 MPH. AFTERNOON GUSTS TO 18 MPH EXPOSED RIDGES. SLOPE/VALLEY - LIGHT WIND IN THE MORNING THEN UP-SLOPE/UP-VALLEY 3 TO 8 MPH. LAL.................1. MID-LEVEL HAINES....4 (LOW). TRANSPORT WIND......SOUTHWEST 10 TO 15 MPH. TIME (PDT) 8 AM 10 AM NOON 2 PM 4 PM TEMP............47-52 58-64 63-69 67-74 67-75 RH..............75-85 55-65 48-58 42-52 42-52 20 FT WIND......S 2-6 S-SW 3-7 W 4-8 W-NW 5-10 W-NW 5-10 MAX GUST..... 12 18 18 ***ABOVE WIND FORECAST IS FOR RIDGE-TOPS. USE THE APPROPRIATE REDUCTION FACTOR FOR YOUR AREA OF CONCERN*** .THURSDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING THEN MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN OVERNIGHT. CWR (%).............0 PERCENT. MIN TEMPERATURE.....45 TO 50. MAX HUMIDITY........75-90 PERCENT. WIND (20 FT)........RIDGE-TOP - WEST TO NORTHWEST 5 TO 10 MPH WITH GUSTS TO 18 MPH. WIND BECOMING SOUTHEAST AROUND 5 MPH OVERNIGHT. SLOPE/VALLEY - UP-SLOPE OR UP-VALLEY 3 TO 8 MPH EARLY THEN LOCAL DRAINAGE. LAL.................1. MID-LEVEL HAINES....4-5 (LOW TO MODERATE). TRANSPORT WIND......SOUTHWEST 10 TO 15 MPH...BECOMING SOUTH OVERNIGHT. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY. BECOMING MOSTLY CLOUDY IN THE AFTERNOON. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS AFTER 1200. CWR (%).............40 PERCENT. MAX TEMPERATURE.....65 HIGHEST ELEVATIONS TO 73 LOWEST. MIN HUMIDITY........45 TO 55 PERCENT...BUT 35 TO 45 PERCENT SOUTH ASPECTS. MINIMUM HUMIDITY LIKELY OCCURRING IN THE EARLY AFTERNOON. WIND (20 FT)........RIDGE-TOP - SOUTHEAST 3 TO 8 MPH...BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON. SLOPE/VALLEY - LIGHT WIND EARLY THEN UP-SLOPE OR UP-VALLEY 3 TO 8 MPH. GUSTY AND ERRATIC WINDS NEAR THUNDERSTORMS. LAL.................1 UNTIL 1100...THEN 2. MID-LEVEL HAINES....4 (LOW). TRANSPORT WIND......SOUTH 8 TO 14 MPH...BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON. .EXTENDED... (WIND FORECAST IS 20-FOOT) .SATURDAY...CLOUDY WITH RAIN LIKELY. LOWS 43 TO 48. HIGHS 58 TO 65. MINIMUM RH 60 TO 75 PERCENT. SOUTHWEST TO WEST WIND 5 TO 10 MPH. .SUNDAY...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 42 TO 48. HIGHS 56 TO 63. MINIMUM RH 60 TO 75 PERCENT. WEST WIND 6 TO 12 MPH. .MONDAY...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS 39 TO 45. HIGHS 56 TO 64. MINIMUM RH 55 TO 65 PERCENT. LIGHT WIND. $$ FORECASTER...WEISHAAR REQUESTED BY...HEIDI GILLESPIE REASON FOR REQUEST...WILDFIRE .TAG 20100915.SCOTT.01/PQR