FNUS76 KSEW 240455
FWSSEW

SPOT FORECAST FOR FONG SAR...NPS
NATIONAL WEATHER SERVICE SEATTLE WA
955 PM PDT SUN SEP 23 2012

FORECAST IS BASED ON INCIDENT TIME OF 2128 PDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...HIGH PRESSURE ALOFT WILL CONTINUE OVER THE PACIFIC
NORTHWEST THROUGH MIDDAY MONDAY KEEPING THE AREA DRY. WEAK ONSHORE
FLOW WILL MAINTAIN THE MARINE LAYER TONIGHT AND MONDAY WITH
AN INVERSION NEAR 4500 FEET. THE AIR MASS WILL BE GENERALLY DRY
AND CLEAR ABOVE AND SOMEWHAT MOIST NEAR THE SURFACE WITH PATCHY
STRATUS AND FOG THROUGH MONDAY MORNING. LATE MONDAY AND MONDAY
NIGHT...A WEAK AND DECAYING FRONT IS FORECAST TO CROSS THE AREA
WITH SPOTTY LIGHT RAIN POSSIBLE. HIGHER PRESSURE ALOFT WILL THEN
AGAIN BUILD OVER THE AREA LATER TUESDAY AND WEDNESDAY.

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

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR...EXCEPT HAZE POSSIBLE DUE TO SMOKE.
                    PATCHY FOG AFTER 1 AM.
CWR.................LESS THAN 5%.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........
    SLOPE/VALLEY....LIGHT DOWN DRAINAGE WIND 2 TO 3 MPH.
LAL.................1.
RAINFALL AMOUNT.....0.00 INCHES.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY. RIVER VALLEY FOG POSSIBLE
                    THROUGH 10 AM. INCREASING MID AND HIGH CLOUDS
                    LATE IN THE DAY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/DOWN DRAINAGE WIND 2 TO 3 MPH THROUGH
                    11 AM...THEN SOUTHWEST WIND 3 TO 6 MPH.
LAL.................1.
RAINFALL AMOUNT.....0.00 INCHES.

$$
FORECASTER...MERCER
REQUESTED BY...KEVIN ROSS
TYPE OF REQUEST...SAR
.TAG 20120923.FONGS.01/SEW