FNUS76 KOTX 130201
FWSOTX

SPOT FORECAST FOR OKANOGAN COMPLEX...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
701 PM PDT WED SEP 12 2012

FORECAST IS BASED ON REQUEST TIME OF 1905 MDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

..UNSTABLE WITH HIGH HAINES OF 5 THURSDAY 3-7 PM PDT..

HIGH PRESSURE BUILDING OVER THE FIRE WILL ALLOW FOR A DRYING
AND WARMING TREND PEAKING FRIDAY. THE AIRMASS OVER THE FIRE
THURSDAY WILL BE UNSTABLE AND ALLOW FOR MORE  ACTIVE FIRE BEHAVIOR
AFTER THE MORNING INVERSION BREAKS. DRIER AIR WILL RESULT IN POOR
RELATIVE HUMIDITY RECOVERIES TONIGHT AND THURSDAY NIGHT. A WEAK
DISTURBANCE PASSING LATE IN THE DAY FRIDAY WILL BRING A A WIND
SHIFT AND INCREASE WEST AND NORTHWEST WINDS OVER THE FIRE. COOLER
WEATHER IS EXPECTED OVER THE WEEKEND WITH PERHAPS ONE OR TWO DRY
COLD FRONTS PASSING AND CAUSING GUSTY WINDS. NO PRECIPITATION IS
EXPECTED TO OCCUR ON THE FIRE FOR THE NEXT SEVEN TO TEN DAYS.

.TOMORROW...

SKY/WEATHER.........SUNNY. SMOKE.
CWR.................0 PERCENT.
MAX TEMPERATURE.....82 IN CANYONS AND 70 AT RIDGES.
MIN HUMIDITY........12 PERCENT IN CANYONS AND 18 PERCENT AT
                    RIDGES.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 1 TO 4 MPH IN THE MORNING
                    ...BECOMING SOUTH SOUTHEAST 2 TO 6 MPH AFTER
                    1000 AM WITH GUSTS UP TO 12 MPH AT RIDGE TOPS.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 3500 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

.THURSDAY NIGHT...

SKY/WEATHER.........CLEAR. SMOKE.
CWR.................0 PERCENT.
MIN TEMPERATURE.....36 IN CANYONS AND 44 AT RIDGES.
MAX HUMIDITY........55 PERCENT IN CANYONS AND 44 PERCENT AT
                    RIDGES.
WIND (20 FT)........SOUTHEAST WINDS 3 TO 7 MPH IN THE EVENING
                    SHIFTING TO DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH
                    AFTER 800 PM.
MIXING HEIGHT.......3500 FT AGL IN THE EVENING...BECOMING NEAR
                    SURFACE OVERNIGHT.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

.FRIDAY...

SKY/WEATHER.........SUNNY. SMOKE.
CWR.................0 PERCENT.
MAX TEMPERATURE.....85 IN CANYONS AND 73 AT RIDGES.
MIN HUMIDITY........14 PERCENT IN CANYONS AND 20 PERCENT AT
                    RIDGES.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY IN THE MORNING...BECOMING
                    NORTHWEST 6 TO 10 MPH WITH GUSTS UP TO 18 MPH
                    IN CANYONS AND NORTHWEST WINDS 10 TO 14 MPH
                    WITH GUSTS UP TO 25 MPH AT RIDGE TOPS
                    AFTER 200 PM.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 8000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST NORTHWEST 12 TO 18 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

$$
FORECASTER...SVH
REQUESTED BY...TOM JONES FBAN
TYPE OF REQUEST...WILDFIRE
.TAG 20120912.OKANO.01/OTX