FNUS76 KPQR 072326 FWSPQR SPOT FORECAST FOR SCOTT MOUNTAIN FIRE...FOREST SERVICE NATIONAL WEATHER SERVICE PORTLAND OR 426 PM PDT TUE SEP 7 2010 FORECAST IS BASED ON REQUEST TIME OF 1415 PDT ON SEPTEMBER 07. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD UPPER LEVEL LOW PRESSURE SYSTEM IS SETTLING INTO THE PACIFIC NORTHWEST TODAY...BRINGING A REINFORCING SHOT OF AUTUMN-LIKE AIR TO THE FIRE AREA. SHOWERS WILL CONTINUE OFF AND ON THROUGH WEDNESDAY...SOME WITH FAIRLY HEAVY DOWNPOURS. THE COLD AIR WILL GRADUALLY LOWER SNOW LEVELS TO AROUND 5000 FEET TONIGHT AND MONDAY...WITH SOME MINOR SNOW ACCUMULATIONS POSSIBLE FOR THE HIGHER PEAKS AND RIDGES. TEMPERATURES WILL REMAIN A GOOD 15 TO 25 DEGREES BELOW NORMAL WEDNESDAY. A GRADUAL WARMING AND DRYING TREND IS LIKELY THURSDAY AND FRIDAY AS THE COLD UPPER LOW MOVES EASTWARD INTO THE ROCKIES. EVEN WITH THE WARMING TREND... TEMPERATURES ARE STILL LIKELY TO REMAIN A COUPLE DEGREES BELOW NORMAL THURSDAY AND FRIDAY AS ONSHORE FLOW PERSISTS. 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. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY...SOME POSSIBLY MIXING WITH WET SNOW DOWN TO 5000 FT ELEVATION. MINOR ACCUMULATIONS POSSIBLE ON HIGHEST RIDGES. CWR (%).............40 PERCENT. (70 PERCENT COMBINED TUE-WED) MAX TEMPERATURE.....MID 40S HIGHEST ELEVATIONS...MID 50S LOWEST. MIN HUMIDITY........80-90 PERCENT RIDGES...65-75 PERCENT VALLEYS. WIND (20 FT)........LIGHT WIND EARLY...INCREASING NORTHWEST 4-8 MPH WITH RIDGETOP GUSTS 15-20 MPH DEVELOPING BY LATE AFTERNOON. TRANSPORT WIND......WEST TO NORTHWEST 2-5 MPH...INCREASING NORTHWEST 7-14 MPH DURING THE AFTERNOON. MID-LEVEL HAINES....3 (VERY LOW). TIME (PDT) 10 AM NOON 2 PM 4 PM 6 PM TEMP............42-48 46-53 47-54 48-56 46-53 RH (%)..........75-90 75-90 70-85 65-80 70-85 20 FT WIND......VRBL 0-3 W-SW 1-3 W-SW 2-4 W-NW 3-7 W-NW 3-6 MAX GUST..... 5 7 10 15 12 ***FORECAST WIND IS FOR RIDGE-TOPS. EXPECT UP-SLOPE CONDITIONS ELSEWHERE. USE THE APPROPRIATE WIND REDUCTION FACTOR FOR THE AREA OF CONCERN.*** .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS... MAINLY DURING THE EVENING. CWR (%).............15 PERCENT. MIN TEMPERATURE.....34-38...EXCEPT 30-34 RIDGES. MAX HUMIDITY........NEAR 100 PERCENT. WIND (20 FT)........WEST 3-6 MPH EARLY...BECOMING DOWNSLOPE/ DRAINAGE 0-3 MPH. TRANSPORT WIND......NORTHWEST 10-20 MPH. MID-LEVEL HAINES....3 (VERY LOW). .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE MORNING...THEN CLEARING. CWR (%).............5 PERCENT. MAX TEMPERATURE.....MID 50S RIDGES...MID 60S LOWER ELEVATIONS. MIN HUMIDITY........45-55 PERCENT LOWER ELEVATIONS...55-65 PERCENT RIDGES. WIND (20 FT)........UPSLOPE/UPVALLEY 2-5 MPH THROUGH MIDDAY... THEN INCREASING NORTHWEST 5-10 MPH WITH RIDGETOP GUSTS 15-20 MPH DEVELOPING IN THE AFTERNOON. TRANSPORT WIND......NORTHWEST 15-25 MPH. MID-LEVEL HAINES....4 (LOW). .EXTENDED... .FRIDAY THROUGH SUNDAY...PARTLY TO MOSTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S. HIGHS MAINLY IN THE 60S. MINIMUM RH 35 TO 45 PERCENT. WEST TO NORTHWEST WIND 5 TO 15 MPH...STRONGEST EACH AFTERNOON. $$ FORECASTER...WEAGLE REQUESTED BY...HEIDI GILLESPIE REASON FOR REQUEST...WILDFIRE .TAG 20100907.SCOTT.01/PQR