FNUS76 KSEW 100202
FWSSEW

SPOT FORECAST FOR BIG HUMP...USFS OLYMPIC
NATIONAL WEATHER SERVICE SEATTLE WA
702 PM PDT FRI SEP 9 2011

FORECAST IS BASED ON REQUEST TIME OF 1843 PDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...STRONG UPPER LEVEL HIGH PRESSURE AND LOTS OF DRY AIR
ALOFT WILL CONTINUE OVER THE OLYMPIC MOUNTAINS THROUGH MONDAY...LEADING
TO POOR NIGHTTIME HUMIDITY RECOVERIES. HOWEVER...THE THERMAL
PRESSURE TROUGH WILL HAVE A HARD TIME BUILDING ALL THE WAY NORTHWARD
INTO WESTERN WASHINGTON...SO THE LOWLANDS WILL REMAIN
STABLE...ALBEIT WITH UNSEASONABLY WARM AFTERNOONS. ONSHORE FLOW
WILL INCREASE LATE MONDAY...LEADING TO A TREND TOWARD MORE
COOLER AND MORE SEASONABLE TEMPERATURES ALONG WITH MORE HUMID
WEATHER AROUND TUESDAY OF NEXT WEEK.

 FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
 MINUTE AVERAGES REFLECTING RAWS WINDS.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE 4 TO 8 MPH.
MIXING HEIGHT.......0 FT AGL INCREASING TO 3800 FT AGL LATE IN THE
                    MORNING.
TRANSPORT WINDS.....NORTH AROUND 6 MPH.
HAINES INDEX........5 OR MODERATE.

.SATURDAY NIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0%.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........65 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE 2 TO 4 MPH.
MIXING HEIGHT.......3800 FT AGL DECREASING TO 0 FT AGL LATE IN THE
                    EVENING.
TRANSPORT WINDS.....NORTH AROUND 5 MPH.
HAINES INDEX........5 OR MODERATE.

.SUNDAY...

SKY/WEATHER.........SUNNY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE 4 TO 8 MPH.
MIXING HEIGHT.......0 FT AGL INCREASING TO 3900 FT AGL LATE IN THE
                    MORNING.
TRANSPORT WINDS.....LIGHT WIND.
HAINES INDEX........5 OR MODERATE.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
3 TO 6 MPH.
.TUESDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHEAST
WINDS 3 TO 5 MPH.
.WEDNESDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHEAST
WINDS 3 TO 6 MPH.

$$
FORECASTER...MICHALSKI
REQUESTED BY...BRETT FAY
TYPE OF REQUEST...WILDFIRE
.TAG 20110909.BIGHU.01/SEW