FNUS76 KPDT 161157
FWSPDT

SPOT FORECAST FOR BUTTE FIRE...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
457 AM PDT THU AUG 16 2012

FORECAST IS BASED ON REQUEST TIME OF 1934 PDT ON AUGUST 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY EVENING...

.DISCUSSION....A RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE AREA
INTO FRIDAY WITH HOT AND DRY CONDITIONS. INCREASING MOISTURE AND
INSTABILITY LATE FRIDAY WILL HELP TRIGGER ISOLATED THUNDERSTORMS.

***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.........PARTLY CLOUDY.
CWR.................10.
MAX TEMPERATURE.....90.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST WINDS 4 TO 9 MPH
                    IN THE AFTERNOON.
RIDGETOP WIND.......NORTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 6500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH.
LAL.................1.
HAINES INDEX........4 (LOW).


        TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
0600        55             51        DRAINAGE 3 MPH
0800        62             44        DRAINAGE 3 MPH
1000        75             27        EAST 3 MPH
1200        83             22        EAST 3 MPH
1400        87             18        WEST 7 MPH
1600        89             17        WEST 8 MPH
1800        84             30        NORTHWEST 9 MPH
2000        67             49        NORTHWEST 9 MPH

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0.
MIN TEMPERATURE.....54-59.
MAX HUMIDITY........54-59 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 9 MPH BECOMING DRAINAGE
                    2 TO 5 MPH EARLY IN THE MORNING.
RIDGETOP WIND.......NORTHWEST WINDS 5 TO 10 MPH
MIXING HEIGHT.......6500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST 5 TO 13 MPH.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

.FRIDAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........SOUTH WINDS 2 TO 6 MPH.
RIDGETOP WIND.......SOUTH WINDS AROUND 5 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 7500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 9 MPH.
LAL.................3.
HAINES INDEX........4 (LOW).

$$
FORECASTER...MICHAEL VESCIO
REQUESTED BY...COIDC
TYPE OF REQUEST...WILDFIRE
.TAG 20120815.BUTTE.01/PDT