FNUS76 KSEW 201504
FWSSEW

SPOT FORECAST FOR RANGE 93...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
804 AM PDT MON JUL 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A THERMALLY INDUCED TROUGH OF LOW PRES WILL DEVELOP OVER
WESTERN WASHINGTON TODAY THROUGH TUESDAY AS A BUILDING RIDGE OF HIGH
PRES ALOFT OVER THE OFFSHORE WATERS MOVES INLAND. EXPECT WARMER
TEMPERATURES TODAY AND VERY WARM TO HOT CONDITIONS TUESDAY. A WEAK
TO MODERATE MARINE PUSH WILL PROVIDE COOLER CONDITIONS BEGINNING
LATE TUE NIGHT AND CONTINUING THROUGH LATER IN THE WEEK. A STRONG
RIDGE OF HIGH PRES ALOFT AND A THERMALLY INDUCED TROUGH OF LOW PRES
AT THE SURFACE WILL GIVE HOT WEATHER TO THE AREA NEXT WEEKEND.

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

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....81-84.
MIN HUMIDITY........28-31 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT AND VARIABLE BECOMING NORTH WINDS 5 TO 7 MPH
                    AFTER 12 NOON.
MIXING HEIGHT.......1100 FT AGL INCREASING TO 5700 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....NORTHEAST AROUND 7 MPH.
HAINES INDEX........4 OR LOW.

$$
FORECASTER...PRANGE
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090720.RANGE.01/SEW