FNUS76 KOTX 031940
FWSOTX

SPOT FORECAST FOR ORCHARD  56...USFS-CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
1140 AM PST TUE NOV 3 2009

FORECAST IS BASED ON IGNITION TIME OF 1145 PST ON NOVEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SURFACE HIGH PRESSURE OVER THE BURN SITE WITH A BUILDING RIDGE ALOFT
WILL PROVIDE DRY AND SEASONABLY COOL CONDITIONS TODAY WITH LIGHT
TERRAIN DRIVEN WINDS. CONDITIONS WILL BE SIMILAR ON WEDNESDAY. IN
ADDITION...TEMPERATURES WILL INCREASE SUBSTANTIALLY JUST OFF THE
SURFACE TONIGHT...STRENGTHENING THE OVERNIGHT TEMPERATURE INVERSION
...RESULTING IN POORER MIXING TOMORROW MORNING THAN THIS MORNING.
THE NEXT WET FRONTAL SYSTEM IS EXPECTED ON THURSDAY.
.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 44
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........EAST 2 TO 5 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 7 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........SOUTH 2 TO 4 MPH.
MIXING HEIGHT.......1500 FT AGL IN THE EVENING...BECOMING NEAR
                    SURFACE OVERNIGHT.
TRANSPORT WINDS.....SOUTHEAST 2 TO 5 MPH.
HAINES INDEX........3 VERY LOW.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 44.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 5 MPH IN THE MORNING BECOMING
                    EAST 3 TO 7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 1000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 3 TO 7 MPH.
HAINES INDEX........4 LOW.

$$
FORECASTER...MF
REQUESTED BY...CWICC
TYPE OF REQUEST...PRESCRIBED
.TAG 20091103.ORCHA.01/OTX