FNUS76 KPDT 082207
FWSPDT

SPOT FORECAST FOR GROUSE MOUNTAIN...USFS MAF
NATIONAL WEATHER SERVICE PENDLETON OR
307 PM PDT THU AUG 8 2013

FORECAST IS BASED ON REQUEST TIME OF 1446 PDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT SUNDAY...

.DISCUSSION...A SLOW MOVING LOW WILL BRING MOIST UNSTABLE AIR INTO
THE REGION THROUGH THE WEEKEND...WHICH WILL CONTINUE TO FUEL
SCATTERED THUNDERSTORMS. THUNDERSTORM CHANCES WILL BE THE HIGHEST ON
FRIDAY AND SATURDAY...AS WILL THE CHANCES FOR WETTING RAIN. ANY
STORMS IN THE VICINITY OF THE FIRE COULD DRAMATICALLY SHIFT WIND
DIRECTION. MOSTLY CLOUDY SKIES WILL KEEP TEMPERATURES MILD...AND
INCREASE RELATIVE HUMIDITY COMPARED TO EARLIER THIS WEEK. WINDS WILL
BE NORTH TO NORTHWESTERLY AND BREEZY DURING THE AFTERNOONS.

***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 CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................10.
MAX TEMPERATURE.....78.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 12 MPH.
RIDGETOP WIND.......NORTHWEST 8 TO 14 MPH WITH GUSTS TO 20 MPH.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 8 MPH.
LAL.................3.
HAINES INDEX........4 (LOW).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
CWR.................10.
MIN TEMPERATURE.....61.
MAX HUMIDITY........50 PERCENT.
WIND (20 FT)........NORTH WINDS 7 TO 13 MPH SHIFTING TO THE
                    WEST 4 TO 7 MPH AFTER MIDNIGHT.
RIDGETOP WIND.......NORTHWEST 9 TO 15 MPH WITH GUSTS AROUND 20 MPH
                    SHIFTING TO THE WEST 5 TO 9 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......7500 FT AGL DECREASING TO 1000 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTH 7 TO 14 MPH.
LAL.................3.
HAINES INDEX........3 (VERY LOW).

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....78.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH.
RIDGETOP WIND.......NORTHWEST 6 TO 12 MPH WITH GUSTS AROUND 18 MPH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 9000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH AROUND 6 MPH.
LAL.................4.
HAINES INDEX........3 (VERY LOW).

$$
FORECASTER...RACHEL TRIMARCO
REQUESTED BY...DISPATCHER
TYPE OF REQUEST...WILDFIRE
.TAG 20130808.GROUS.02/PDT