FNUS76 KSEW 191454
FWSSEW

SPOT FORECAST FOR TA-6 F...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
754 AM PDT THU JUL 19 2012

FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON JULY 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...MARINE CLOUDS WILL FINALLY BURN OFF TODAY...BY
IGNITION TIME...BUT A STRONG MARINE INVERSION WILL PERSIST AROUND
2800 FEET AGL. JUST AS MARINE CLOUDS BURN OFF...HIGH-LEVEL AND
MID-LEVEL CLOUDS WILL INCREASE DURING THE AFTERNOON IN ADVANCE OF
AN UPPER LOW SPREADING UP FROM THE SOUTH. THICKENING CLOUDS WILL
EVENTUALLY LEAD TO SHOWERS BY LATE THIS EVENING...WITH A
THUNDERSTORM POSSIBLE OVERNIGHT.

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

.TODAY...

SKY/WEATHER.........MORNING CLOUDS GIVING WAY TO SUNSHINE AROUND
                    MID-DAY. INCREASING MID AND HIGH CLOUDS THIS
                    AFTERNOON.
CWR.................0%.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........NORTH WINDS 4 TO 7 MPH.
MIXING HEIGHT.......PEAKING NEAR 2800 FT AGL THIS AFTERNOON.
                    MIXED LAYER CAPPED BY AN INVERSION.
TRANSPORT WINDS.....NORTH-NORTHEAST AROUND 8 MPH.
HAINES INDEX........MID-LEVEL....5 OR MODERATE.
                    HIGH-LEVEL...4 OR LOW.

.TONIGHT...

WIND (20 FT)........NORTHWEST WINDS 3 TO 6 MPH SHIFTING TO THE
                    SOUTHWEST 3 TO 5 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......2800 FT AGL DECREASING TO 800 FT AGL LATE
                    THIS EVENING.
TRANSPORT WINDS.....NORTH WINDS AROUND 8 MPH...BECOMING SOUTHWEST
                    AROUND 3 MPH OVERNIGHT.

$$
FORECASTER...HANER
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120719.TA6F_.01/SEW