FNUS76 KPDT 171251
FWSPDT

SPOT FORECAST FOR BLACK BUTTE II FIRE...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
551 AM PDT FRI JUL 17 2009

FORECAST IS BASED ON REQUEST TIME OF 2049 PDT ON JULY 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.


.DISCUSSION...HIGH PRESSURE ALOFT AND A SURFACE THERMAL TROUGH WILL
KEEP CONDITIONS WARM AND DRY THROUGH SATURDAY. LOW LEVEL INSTABILITY
WILL BE PRESENT IN THE AFTERNOONS FOR POSSIBLE PLUME ENHANCEMENT.
OVERNIGHT SURFACE INVERSIONS WILL RESULT IN POOR HUMIDITY RECOVERY
AT MID SLOPE. THE HIGH PRESSURE ALOFT WILL BEGIN TO BREAK DOWN
SATURDAY AFTERNOON CAUSING A THREAT OF THUNDER NEAR THE INCIDENT
WITH INCREASED WINDS.


***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.........MOSTLY SUNNY WITH A FEW THIN HIGH CLOUDS
                    AT TIMES.
CWR.................0.
MAX TEMPERATURE.....93 BOTTOM...83 TOP.
MIN HUMIDITY........14 PERCENT BOTTOM...19 PERCENT TOP.
WIND (20 FT)........UPSLOPE (MAINLY NORTHEAST) WINDS 2-5 MPH
                    BY 0900 BECOMING NORTH TO NORTHEAST 4-8 MPH
                    AFTER 1500.
RIDGETOP WIND.......SOUTHWEST TO WEST WINDS 3-7 MPH INCREASING
                    TO 5-9 MPH IN THE AFTERNOON.
LAL.................1.
HAINES INDEX........5 (MODERATE).


        TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
          (MID PT)      (MID PT)
0900        67             33          NE 1-3
1100        79             22          NE 2-3
1300        85             18          NE 3-4
1500        88             16          N-NE 4-6
1700        87             18          N-NE 5-8
1900        79             26          NNW-NE 6-9


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0.
MIN TEMPERATURE.....53 BOTTOM...58 TOP.
MAX HUMIDITY........68 PERCENT BOTTOM...49 PERCENT TOP.
WIND (20 FT)........NORTH-NORTHWEST TO NORTHEAST WINDS 5-9 MPH
                    BECOMING DRAINAGE 1-4 MPH BY 2200.
RIDGETOP WIND.......WEST TO NORTHWEST WINDS 8-13 MPH BECOMING
                    SOUTHWEST TO WEST 3-7 MPH AFTER MIDNIGHT.
LAL.................1.
HAINES INDEX........5 (MODERATE).

.SATURDAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. A SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................10.
MAX TEMPERATURE.....92 BOTTOM...82 TOP.
MIN HUMIDITY........18 PERCENT BOTTOM...23 PERCENT TOP.
WIND (20 FT)........UPSLOPE (MAINLY NORTHEAST) WINDS 2-5 MPH
                    BY 0900 BECOMING NORTH-NORTHWEST TO NORTHEAST
                    7-11 MPH AFTER 1500.
RIDGETOP WIND.......SOUTHWEST TO WEST WINDS 3-7 MPH BECOMING WEST
                    TO NORTHWEST 10-15 MPH IN THE AFTERNOON.
LAL.................2.
HAINES INDEX........5 (MODERATE).

$$

FORECASTER...GKH
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20090716.BLACK.01/PDT