FNUS76 KSEW 142359
FWSSEW

SPOT FORECAST FOR BIG HUMP...OLYMPIC NF
NATIONAL WEATHER SERVICE SEATTLE WA
459 PM PDT WED SEP 14 2011

FORECAST IS BASED ON REQUEST TIME OF 1656 PDT ON SEPTEMBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER TROUGH AXIS WILL PASS ACROSS WESTERN
WASHINGTON ON THURSDAY AFTERNOON. BETWEEN NOW AND THEN...THE
MARINE LAYER WILL CONTINUE TO DEEPEN OVER WESTERN WASHINGTON...
PROVIDING COOL...HUMID AND STABLE CONDITIONS...ALONG WITH PLENTY
OF LOW-HANGING CLOUDS AND SOME MORNING DRIZZLE. ANOTHER UPPER
TROUGH WILL SWEEP PAST WESTERN WASHINGTON EARLY SATURDAY...
REINFORCING THE COOL AND HUMID ONSHORE FLOW. A LITTLE RAIN IS
POSSIBLE WITH THE SATURDAY MORNING TROUGH...BUT AMOUNTS WILL
GENERALLY FALL BELOW THE THRESHOLD FOR A WETTING RAIN. A STRONGER
FRONTAL SYSTEM IS EXPECTED ON SUNDAY AND STANDS A HIGHER CHANCE OF
DEPOSITING A WETTING RAIN.

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

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
                    PATCHY DRIZZLE AFTER MIDNIGHT.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 3 TO 5 MPH SHIFTING TO THE SOUTHWEST
                    3 TO 4 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......1700-2700 FT AGL.
TRANSPORT WINDS.....LIGHT WIND.
HAINES INDEX........3 OR VERY LOW.

.THURSDAY...

SKY/WEATHER.........CLOUDY. PATCHY FOG. PATCHY DRIZZLE.
CWR.................10 PERCENT.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 3 TO 4 MPH SHIFTING TO THE EAST 5
                    TO 7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 4000 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....LIGHT WIND.
HAINES INDEX........3 OR VERY LOW.

$$
FORECASTER...MCFARLAND
REQUESTED BY...ICT3 VAN B  NEIL
TYPE OF REQUEST...WILDFIRE
.TAG 20110914.BIGHU.01/SEW