FNUS76 KPDT 231232
FWSPDT

SPOT FORECAST FOR WEST BUTTE RX...COIDC
NATIONAL WEATHER SERVICE PENDLETON OR
530 AM PDT WED SEP 23 2009

FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...STRONG HIGH PRESSURE ALOFT WILL KEEP VERY WARM AND DRY
CONDITIONS OVER THE BURN AREA TODAY THROUGH THURSDAY. WINDS WILL BE
LIGHT AND DIURNALLY TERRAIN DRIVEN TODAY AND THEN WILL TAKE A MORE
NORTHWESTERLY GRADIENT DIRECTION ON THURSDAY.

***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***FORECAST IS VALID FOR 12 HOURS AFTER ISSUANCE***

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0.
MAX TEMPERATURE.....89-91.
MIN HUMIDITY........8-12 PERCENT.
WIND (20 FT)........SE 2-6 MPH.
RIDGETOP WIND.......SE 1-5 MPH BECOMING S-SW 3-7 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......AT THE SURFACE...INCREASING TO 8000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....S 2-7 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0.
MIN TEMPERATURE.....56-58.
MAX HUMIDITY........28-32 PERCENT.
WIND (20 FT)........VARIABLE-SE 0-4 MPH.
RIDGETOP WIND.......VARIABLE-N 1-5 MPH.
MIXING HEIGHT.......DECREASING TO THE SURFACE.
TRANSPORT WINDS.....SE-SW 1-5 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0.
MAX TEMPERATURE.....82-84.
MIN HUMIDITY........13-15 PERCENT.
WIND (20 FT)........VARIABLE 0-4 MPH BECOMING NW 3-8 MPH IN THE
                    AFTERNOON.
RIDGETOP WIND.......VARIABLE 1-5 MPH BECOMING NW 4-9 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......AT THE SURFACE...INCREASING TO 4500 FT AGL IN
THE                 AFTERNOON.
TRANSPORT WINDS.....SE 2-6 MPH BECOMING NW 4-9 MPH IN THE AFTERNOON.

$$

FORECASTER...ROGER CLOUTIER
REQUESTED BY...KRISTIN WESTMORELAND
TYPE OF REQUEST...PRESCRIBED
.TAG 20090923.WESTB.01/PDT