FNUS76 KPQR 102212
FWSPQR

SPOT FORECAST FOR SCOTT MOUNTAIN FIRE...USFS WNF
NATIONAL WEATHER SERVICE PORTLAND OR
310 PM PDT FRI SEP 10 2010

FORECAST IS BASED ON REQUEST TIME OF 1435 PDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...A LITTLE WARMER THIS WEEKEND...

.DISCUSSION...WEST-TO-EAST FLOW ALOFT WILL BE OVER THE CENTRAL
OREGON CASCADES THROUGH THE WEEKEND...WITH THE MAIN STORM TRACK
DIRECTED AT NORTHERN WASHINGTON. LIGHT SURFACE GRADIENTS THIS
WEEKEND WILL RESULT IN PRE-DOMINANTLY TERRAIN-DRIVEN WIND REGIMES
OVER THE FIRE. IT WILL ALSO BE A LITTLE WARMER THIS WEEKEND.
SOUTHWEST FLOW DEVELOPS EARLY NEXT WEEK AND...COUPLED WITH A LITTLE
EXTRA MID-LEVEL MOISTURE AND INSTABILITY...AFTERNOON BUILD-UPS ARE
NOT OUT OF THE QUESTION. IN THE LONGER RANGE THE BIG STORY IS THE
POTENTIAL FOR ANOTHER FAIRLY SIGNIFICANT WETTING RAIN EVENT LATE
NEXT WEEK. TIMING AND INTENSITY REMAIN IN DOUBT AT THIS TIME.

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.


.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....65 HIGHEST ELEVATIONS TO 72 LOWEST.
MIN HUMIDITY........45-55 PERCENT.
WIND (20 FT)........RIDGE-TOP - LIGHT WIND IN THE MORNING THEN
                                NORTHWEST TO 10 MPH. GUSTS TO 18
                                MPH IN THE AFTERNOON...STRONGEST ON
                                EXPOSED RIDGES.

                    VALLEY/SLOPE - LIGHT WIND THROUGH 1100 THEN
                                   UP-SLOPE OR UP-VALLEY TO 10 MPH.

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............40-45     49-55      60-67     63-70     65-72
RH..............>90       73-83      55-65     45-55     45-55
20 FT WIND......LIGHT     LIGHT      W 3-7     W-NW 5-10 W-NW 5-10
   MAX GUST.....                                 15        18


***FORECAST WIND ABOVE IS FOR RIDGES. USE THE APPROPRIATE REDUCTION
FACTOR FOR YOUR AREA OF CONCERN***

***RH FORECAST IS AN AVERAGE FOR THE FIRE AREA. SOUTH ASPECTS WILL
BE A LITTLE LOWER AND NORTH OR FULLY-SHELTERED ASPECTS HIGHER***


.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR (%).............0 PERCENT.
MIN TEMPERATURE.....38 TO 44.
MAX HUMIDITY........90 TO 100 PERCENT.
WIND (20 FT)........RIDGE-TOP - WEST 5 TO 10 MPH THROUGH THE EVENING
                                THEN LIGHT WIND.

                    SLOPE/VALLEY - UP-SLOPE OR UP-VALLEY 3 TO 8 MPH
                                   TIL 1900 THEN LOCAL DRAINAGE TO
                                   5 MPH.

MID-LEVEL HAINES....3 (VERY LOW).
TRANSPORT WIND......WEST  5 TO 10 MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....67 HIGHEST ELEVATIONS TO 74 LOWEST.
MIN HUMIDITY........40-50 PERCENT...BUT 30S SOUTH ASPECTS AND UP
                    TO 55 PERCENT NORTH ASPECTS AND FULLY-SHELTERED
                    LOCATIONS.
WIND (20 FT)........RIDGE-TOP - LIGHT WIND IN THE MORNING THEN
                                NORTHWEST 4 TO 8 MPH.

                    SLOPE/VALLEY - LIGHT WIND IN THE MORNING THEN
                                   UP-SLOPE OR UP-VALLEY 3 TO 8 MPH.

MID-LEVEL HAINES....2 (VERY LOW).
TRANSPORT WIND......SOUTHWEST TO WEST 4 TO 8 MPH.


.EXTENDED... (WIND FORECAST IS 20-FOOT)
.MONDAY AND TUESDAY...PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 68 TO
75. MINIMUM RH ON AVERAGE 35 TO 45 PERCENT. TERRAIN-DRIVEN WIND
LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS 41 TO 47. HIGHS 68 TO 75.
MINIMUM RH ON AVERAGE 33 TO 43 PERCENT. TERRAIN-DRIVEN WIND
LESS THAN 10 MPH.


$$
FORECASTER...WEISHAAR
REQUESTED BY...SAREN WHITNEY
REASON FOR REQUEST...WILDFIRE
.TAG 20100910.SCOTT.01/PQR