FNUS76 KSEW 312350
FWSSEW

SPOT FORECAST FOR GOLD HILL...USFS MT BAKER-SNOQUALMIE
NATIONAL WEATHER SERVICE SEATTLE WA
450 PM PDT FRI JUL 31 2009

FORECAST IS BASED ON REQUEST TIME OF 1617 PDT ON JULY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER LEVEL RIDGE WILL EXPAND AND STRENGTHEN BACK
INTO THE PACIFIC NORTHWEST TONIGHT AND SATURDAY...LESSENING THE
MARINE INFLUENCE. MEANWHILE...A VERY DRY LAYER OF AIR WILL SPREAD
IN ABOVE 5000 FEET ON SATURDAY AFTERNOON AND EVENING...BOOSTING
THE HAINES INDEX INTO THE MODERATE CATEGORY WHILE PRESENTING THE
RISK OF SOME DRY AIR INTRUSION ON THE UPPER REACHES OF THE FIRE.
IN ADDITION...THIS WILL BRING VERY POOR HUMIDITY RECOVERY ON
SATURDAY NIGHT WITHIN AND ABOVE THE THERMAL BELT.

SUNDAY WILL CONTINUE TO BE WARM AND UNSTABLE...BUT ADDED HUMIDITY
COULD LEAD TO SOME NEARBY AFTERNOON CUMULUS BUILDUPS. AROUND THE
MIDDLE OF NEXT WEEK...AN UPPER LOW CURRENTLY OFF THE NORTHERN
CALIFORNIA COAST WILL START TO MOVE NORTHEAST...BRINGING A RISK OF
LIGHTNING FROM TUESDAY THROUGH THURSDAY.

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

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0%.
MIN TEMPERATURE.....AROUND 58 VALLEY BOTTOM...62-64 IN AND ABOVE
                    THE THERMAL BELT.
MAX HUMIDITY........94-98 PERCENT IN THE BOTTOM OF THE SAUK
                    DRAINAGE...73-78 PERCENT ABOVE 1500 FEET MSL.
WIND (20 FT)........NORTHWEST UPVALLEY WIND 3 TO 6 MPH EARLY THIS
                    EVENING...BECOMING DOWNSLOPE/DOWNVALLEY
                    1 TO 3 MPH AFTER SUNSET.
HAINES INDEX........MID-LEVEL....5 OR MODERATE.
                    HIGH-LEVEL...5 OR MODERATE.
LAL.................1.
RAINFALL AMOUNT.....0.00 INCHES.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....93 AT BOTTOM OF FIRE...85 AT TOP.
MIN HUMIDITY........30-35 PERCENT ALL ELEVATIONS.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WIND 1 TO 3 MPH EARLY
                    IN THE MORNING...BECOMING NORTHWESTERLY
                    UPSLOPE/UPVALLEY 4 TO 8 MPH BY NOON...
                    STRONGEST IN THE BOTTOM OF THE SAUK DRAINAGE.
HAINES INDEX........MID-LEVEL....5 OR MODERATE.
                    HIGH-LEVEL...5 OR MODERATE.
LAL.................1.
RAINFALL AMOUNT.....0.00 INCHES.

$$
FORECASTER...HANER
REQUESTED BY...GOLD HILL IC
TYPE OF REQUEST...WILDFIRE
.TAG 20090731.GOLDH.01/SEW