FNUS76 KOTX 051443
FWSOTX

SPOT FORECAST FOR RADIO...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
743 AM PDT FRI OCT 5 2012

FORECAST IS BASED ON REQUEST TIME OF 0815 MDT ON OCTOBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A NORTHERLY PRESSURE GRADIENT WILL CONTINUE ACROSS THE FIRE AREA
WITH HIGH PRESSURE OVER THE CANADIAN ROCKIES AND A THERMALLY
INDUCED SURFACE PRESSURE TROUGH ALONG THE COAST. THIS WILL
KEEP NORTHERLY WINDS AT THE FIRE ESPECIALLY AT THE RIDGE TOPS...
WHILE MORE TERRAIN DRIVEN WINDS WILL BE FOUND IN THE VALLEY.
DRY CONTINENTAL AIR WILL REMAIN OVER THE FIRE...ALTHOUGH A SLOW
GRADUAL WARMING TREND IS ANTICIPATED. LOOK FOR SOME MID TO UPPER
SLOPE WARMING OVER THE NEXT DAY OR TWO AS THE RIDGE OF HIGH
PRESSURE MOVES CLOSER TO THE AREA. THIS WILL PROMOTING LOWER
MIXING HEIGHTS IN THE AFTERNOON AND A MODEST SUBSIDENCE
INVERSIONS. DRY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH
AT LEAST EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 63 IN THE VALLEY...NEAR 57 AT THE MID SLOPES.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........LIGHT WIND...BECOMING UPSLOPE/UPVALLEY 2 TO 5 MPH.
                    RIDGE TOP WINDS EAST-NORTHEAST 6 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 3500 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........NORTH-NORTHWEST 3 TO 7 MPH IN THE EVENING BECOMING
                    DOWNSLOPE/DOWN VALLEY 2 TO 3 MPH OVERNIGHT.
                    RIDGE TOPS WINDS NORTH 4 TO 8 MPH.
MIXING HEIGHT.......3000 FT AGL IN THE EVENING...BECOMING NEAR
                    SURFACE OVERNIGHT.
TRANSPORT WINDS.....NORTH 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 66 IN THE VALLEY...NEAR 60 AT THE MID SLOPES
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........LIGHT WIND...BECOMING UPSLOPE/UP VALLEY 2 TO 5 MPH.
                    RIDGE TOP WINDS NORTHEAST 4 TO 8 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 3000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

$$
FORECASTER...RF
REQUESTED BY...COLVILLE NF
TYPE OF REQUEST...WILDFIRE
.TAG 20121005.RADIO.01/OTX