FNUS76 KSEW 172127
FWSSEW

SPOT FORECAST FOR HOPPER FIRE...NPS OLYMPIC
NATIONAL WEATHER SERVICE SEATTLE WA
227 PM PDT TUE AUG 17 2010

FORECAST IS BASED ON REQUEST TIME OF 1506 MDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...THE AIR MASS WILL GRADUALLY COOL OFF AND BECOME MORE
MOIST OVER THE NEXT SEVERAL DAYS AS ONSHORE FLOW INCREASES AND AN
UPPER TROUGH SLOWLY SETTLES OVER THE REGION. AS A RESULT THE AIR
MASS WILL ALSO STABILIZE TONIGHT AND REMAIN MOSTLY STABLE OVER THE
NEXT COUPLE OF DAYS.

THE WEATHER WILL REMAIN DRY THROUGH FRIDAY...BUT THE UPPER TROUGH
COULD BRING A FEW LIGHT SHOWERS TO THE FIRE AREA SATURDAY AND
SUNDAY.

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

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0%.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........72 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 1 TO 4 MPH.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 900 FT AGL LATE IN
                    THE EVENING.
TRANSPORT WINDS.....LIGHT WIND.
HAINES INDEX........5 OR MODERATE.
LAL.................1.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 3 TO 5 MPH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 3400 FT AGL THROUGH
                    THE DAY.
TRANSPORT WINDS.....LIGHT WIND.
HAINES INDEX........4 OR LOW.
LAL.................1.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 60.
UPSLOPE/UPVALLEY 2 TO 4 MPH.
.FRIDAY AND SATURDAY...
MOSTLY CLOUDY. LOWS 45 TO 50. HIGHS 58 TO 63. UPSLOPE/UPVALLEY
1 TO 3 MPH.
.SUNDAY...
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 50S. UPSLOPE/UPVALLEY 1 TO 3 MPH.

$$
FORECASTER...CERNIGLIA
REQUESTED BY...LARRY NICKEY
TYPE OF REQUEST...WILDFIRE
.TAG 20100817.HOPPE.01/SEW