FNUS76 KSEW 111536
FWSSEW

SPOT FORECAST FOR RUMBLE HILL 2...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
836 AM PDT WED AUG 11 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON AUGUST 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...THE PATCHES OF FOG AND LOW CLOUDS WILL BURN OFF
LATER THIS MORNING FOR A SUNNY DAY. AFTERNOON TEMPERATURES WILL
BE 3 TO 5 DEGREES WARMER THAN YESTERDAY WITH THE MINIMUM RELATIVE
HUMIDITIES 10-15 PERCENT LOWER.

AN UPPER LEVEL RIDGE WILL NUDGE INTO THE REGION LATE THURSDAY AND
BUILD OVER THE WEST COAST THROUGH THE WEEKEND.  THIS WILL BE
COMBINED WITH LOW LEVEL OFFSHORE FLOW FRIDAY THROUGH SUNDAY AND
WILL BRING ABOUT A DRAMATIC WARMING AND DRYING TREND ACROSS ALL OF
WESTERN WASHINGTON.  HIGHS IN THE 80S TO MID 90S WITH LOW MINIMUM
RH VALUES AND POOR OVERNIGHT RECOVERIES ACROSS THE RIDGES.  THERE
IS THE POTENTIAL FOR THIS TI CONTINUE INTO EARLY NEXT WEEK.

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

.TODAY...

SKY/WEATHER.........LOW CLOUDS AND FOG BURNING OFF LATE THIS
                    MORNING THEN SUNNY.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........CALM WIND BECOMING WEST 3 TO 5 MPH THIS
                    AFTERNOON.
MIXING HEIGHT.......600 FT AGL INCREASING TO 5400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 1 TO 4 MPH BECOMING NORTHWEST 3 TO
                    5 MPH THIS AFTERNOON.
HAINES INDEX........3 OR VERY LOW.

.TONIGHT...

MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS 3 TO 5 MPH THIS EVENING BECOMING
                    CALM.
MIXING HEIGHT.......5400 FT AGL DECREASING TO 600 FT AGL LATE IN
                    THE EVENING.
TRANSPORT WINDS.....WEST AROUND 6 MPH IN THE EVENING BECOMING
                    NORTHEAST 1 TO 4 MPH LATE.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S. NORTH
WINDS 3 TO 5 MPH.
.SATURDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 90S. NORTH
WINDS 3 TO 6 MPH.
.SUNDAY...
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S. NORTH
WINDS 3 TO 5 MPH.

$$
FORECASTER...CERNIGLIA
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100811.RUMBL.01/SEW