FNUS76 KOTX 201626
FWSOTX

SPOT FORECAST FOR HALL CR ACTIVITY PILES BL01...COLVILLE BIA
NATIONAL WEATHER SERVICE SPOKANE WA
926 AM PDT WED OCT 20 2010


IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

STRONG HIGH PRESSURE WILL PERSIST OVER THE PACIFIC NORTHWEST THROUGH
THURSDAY. MIXING HEIGHTS WILL BE QUITE LOW THIS AFTERNOON AND TOMORROW
AFTERNOON UNDER STRONG UPPER LEVEL HIGH PRESSURE. A MAJOR PATTERN
CHANGE IS EXPECTED THIS WEEKEND. A WEAK COLD FRONT WILL BRING
INCREASING CLOUDS AND THE POTENTIAL FOR LIGHT RAIN THURSDAY NIGHT AND
FRIDAY. A MUCH STRONGER FRONT WILL BRING WIDESPREAD PRECIPITATION AND
BREEZY WINDS SUNDAY INTO MONDAY.

.TODAY...

SKY/WEATHER.........SOME CLOUDS IN THE MORNING...THEN SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....63.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........EAST 1 TO 3 MPH UNTIL NOON...THEN
                    UPSLOPE/ UPVALLEY 2 TO 4 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 1500 FT
                    AGL IN THE AFTERNOON. 11 AM...1000 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 6 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........DOWNSLOPE/ DOWNVALLEY 1 TO 3 MPH BY 8 PM.
MIXING HEIGHT.......NEAR SURFACE.
TRANSPORT WINDS.....SOUTH 3 TO 7 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........36 PERCENT.

$$
FORECASTER...PB
REQUESTED BY...SCOTT BRANDON
TYPE OF REQUEST...PRESCRIBED
.TAG 20101020.HALLC.01/OTX