FNUS76 KPQR 082303
FWSPQR

SPOT FORECAST FOR SCOTT MOUNTAIN FIRE...USFS WNF
NATIONAL WEATHER SERVICE PORTLAND OR
400 PM PDT WED SEP 8 2010

FORECAST IS BASED ON REQUEST TIME OF 1522 PDT ON SEPTEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...GRADUAL IMPROVEMENT THURSDAY...
...MUCH WARMER FRIDAY THROUGH THE WEEKEND...

.DISCUSSION...THE UPPER LEVEL TROUGH THAT BROUGHT ANOTHER SHOT OF
SIGNIFICANT RAIN TO THE WILLAMETTE NF WAS MOVING EAST THIS EVENING
AND WILL CONTINUE TO SO THURSDAY. THERE WILL BE A DEEP MARINE LAYER
THURSDAY MORNING...AND WITH A LITTLE LEFTOVER INSTABILITY...ISOLATED
LINGERING SHOWERS REMAIN A POSSIBILITY. HIGH PRESSURE ALOFT STARTS
TO BUILD OFFSHORE THURSDAY AFTERNOON...WHICH WILL START THE GRADUAL
IMPROVING TREND. HIGH PRESSURE STRENGTHENS FRIDAY FOR MUCH WARMER
AND DRIER DAYTIME CONDITIONS. MODELS SHOW A WEAK DISTURBANCE MOVING
ACROSS NORTHERN WASHINGTON FRIDAY NIGHT AND SATURDAY MORNING WHICH
WILL ENHANCE THE MARINE LAYER. IT LOOKS LIKE THE RIDGE STRENGTHENS
AGAIN SUNDAY. LONGER RANGE CHARTS MAINTAIN A DRY PATTERN MONDAY
THROUGH 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.........CLOUDY THROUGH 1200 WITH A CHANCE OF SHOWERS.
                    PARTLY SUNNY AFTER 1200.
CWR (%).............10 PERCENT.
MAX TEMPERATURE.....54 HIGHEST ELEVATIONS TO 61 LOWEST.
MIN HUMIDITY........55 TO 65 PERCENT...BUT TO 70 PERCENT RIDGES AND
                    NORTH ASPECTS.
WIND (20 FT)........RIDGE-TOP - WEST 5 TO 10 MPH IN THE MORNING THEN
                                7 TO 12 MPH. AFTERNOON GUSTS TO 20 MPH
                                EXPOSED LOCATIONS.

                    SLOPE/VALLEY - LIGHT WIND THROUGH THE MORNING THEN
                                   GENERALLY UP-SLOPE 3 TO 8 MPH. AFTERNOON
                                   GUSTS TO 15 MPH OPEN AND PARTIALLY
                                   EXPOSED AREAS.
MID-LEVEL HAINES...3 (VERY LOW).
TRANSPORT WIND......WEST TO NORTHWEST 6 TO 12 MPH.

TIME (PDT)      8 AM       10 AM       NOON      2 PM      4 PM

TEMP............38-43      46-52       50-57     54-61     54-61
RH..............90-100     78-88       65-75     55-65     55-65
20 FT WIND......W 3-8      W 5-10      W 5-10    W 6-12    W 6-12
   MAX GUST.....             15          15        20        20

***WIND FORECAST IS FOR RIDGE-TOPS. MAKE SURE TO USE THE APPROPRIATE
WIND REDUCTION FACTOR FOR YOUR AREA OF CONCERN***


.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY IN THE EVENING THEN PARTLY CLOUDY.
CWR (%).............0 PERCENT.
MIN TEMPERATURE.....35 TO 40.
MAX HUMIDITY........ABOVE 90 PERCENT.
WIND (20 FT)........RIDGE-TOP - WEST 7 TO 12 MPH WITH GUSTS TO 20 MPH.
                                WIND EASING TO 4 TO 8 MPH AFTER DARK.

                    SLOPE/VALLEY - UP-SLOPE 3 TO 8 MPH THROUGH 1900 THEN
                                   DECREASING. WIND BECOMING LOCAL
                                   DRAINAGE OR DOWNSLOPE TO 8 MPH BY 2100.
MID-LEVEL HAINES.....3 (VERY LOW).
TRANSPORT WIND.......WEST 5 TO 10 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING THEN MOSTLY SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....67 HIGHEST ELEVATIONS TO 75 LOWEST.
MIN HUMIDITY........35 TO 45 PERCENT...BUT TO 50 PERCENT NORTH ASPECTS.
WIND (20 FT)........RIDGE-TOP - SOUTHWEST TO WEST AROUND 5 MPH...INCREASING
                                TO 5 TO 10 MPH IN THE AFTERNOON.

                    SLOPE/VALLEY - LIGHT WIND THROUGH EARLY AFTERNOON
                                   THEN UP-SLOPE 5 TO 10 MPH. AFTERNOON
                                   GUSTS TO 15 MPH OPEN AND PARTIALLY
                                   EXPOSED AREAS.
MID-LEVEL HAINES....4 (LOW).
TRANSPORT WIND......LIGHT WIND IN THE MORNING THEN SOUTHWEST TO WEST
                    5 TO 10 MPH.

$$
FORECASTER...WEISHAAR
REQUESTED BY...HEIDI GILLESPIE
REASON FOR REQUEST...WILDFIRE
.TAG 20100908.SCOTT.01/PQR