FNUS76 KSEW 062123
FWSSEW

SPOT FORECAST FOR GRAND PARK FIRE...NPS MT RAINER
NATIONAL WEATHER SERVICE SEATTLE WA
223 PM PDT THU AUG 6 2009

FORECAST IS BASED ON REQUEST TIME OF 1351 PDT ON AUGUST 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

...BREEZY ON FRIDAY AFTERNOON AND EVENING...

.DISCUSSION...A DEEP MARINE LAYER WILL GET EVEN DEEPER OVER
WESTERN WASHINGTON TONIGHT AND FRIDAY MORNING. AS SUCH...PATCHY
DRIZZLE...LOW CLOUDS AND MOUNTAIN FOG CAN BE EXPECTED.
NORTHWESTERLY FLOW ALOFT WILL ALSO CAUSE BREEZY CONDITIONS AT
TIMES FOR THE GRAND PARK FIRE WITH GUSTS TO 25 MPH POSSIBLE. THE
NORTHWEST FLOW ON THE NORTH FLANK OF MOUNT RAINIER WILL
OCCASIONALLY CAUSE UPSLOPE FOG AND STRATUS...ESPECIALLY DURING THE
NIGHTTIME AND MORNING HOURS.


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

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SPRINKLES OR LIGHT
                    RAIN SHOWERS...MAINLY IN THE MORNING.
CWR.................0%.
MAX TEMPERATURE.....55-58.
MIN HUMIDITY........72-75 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WIND 5 TO 8 MPH IN THE MORNING...
                    BECOMING NORTHWEST 11 TO 16 MPH...GUSTING
                    TO 25 MPH.
MIXING HEIGHT.......700-1700 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 14 MPH.
HAINES INDEX........HIGH-LEVEL...3 OR VERY LOW.
                    MID-LEVEL....2 OR VERY LOW.
LAL.................1.

.FRIDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. FOG DEVELOPING ON THE WEST
                    AND NORTHWEST ASPECTS.
CWR.................0%.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 11 TO 16 MPH IN THE EVENING...
                    BECOMING WEST 5 TO 7 MPH AFTER SUNSET.
MIXING HEIGHT.......100-1100 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
HAINES INDEX........HIGH-LEVEL...3 OR VERY LOW.
                    MID-LEVEL....4 OR LOW.
LAL.................1.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH A FEW SUN BREAKS.
CWR.................0%.
MAX TEMPERATURE.....57-60.
MIN HUMIDITY........66-70 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WIND 5 TO 6 MPH IN THE MORNING...BECOMING
                    NORTHWEST 7 TO 10 MPH IN THE AFTERNOON.
MIXING HEIGHT.......0 FT AGL INCREASING TO 2800 FT AGL LATE IN THE
                    MORNING.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
HAINES INDEX........HIGH-LEVEL...3 OR VERY LOW.
                    MID-LEVEL....4 OR LOW.
LAL.................1.

$$
FORECASTER...HANER
REQUESTED BY...LIZZA DEMSETZ
TYPE OF REQUEST...WILDFIRE
.TAG 20090806.GRAND.01/SEW