FNUS76 KPDT 131754
FWSPDT

SPOT FORECAST FOR GRINDSTONE...USFS MAF
NATIONAL WEATHER SERVICE PENDLETON OR
1054 AM PDT FRI JUL 13 2012

FORECAST IS BASED ON REQUEST TIME OF 1032 PDT ON JULY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...POSSIBLE THUNDERSTORMS TONIGHT AND SATURDAY...

.DISCUSSION...A LOW PRESSURE SYSTEM COULD BRING A FEW THUNDERSTORMS
THROUGH THE AREA THIS EVENING...WITH CHANCES INCREASING OVERNIGHT
AND ON SATURDAY. WINDS WILL GENERALLY BE LIGHT BUT STORMS COULD
PRODUCE GUSTY OUTFLOWS. TEMPERATURES WILL BE A FEW DEGREES COOLER
TODAY AND MUCH COOLER ON SATURDAY AND SUNDAY.

***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 THEN BECOMING PARTLY CLOUDY. PATCHY
                    SMOKE. ISOLATED SHOWERS AND THUNDERSTORMS IN
                    THE AFTERNOON.
CWR.................10.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........UPSLOPE WINDS 2 TO 5 MPH BECOMING NORTHWEST
                    WINDS 4 TO 8 MPH IN THE AFTERNOON.
RIDGETOP WIND.......NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 10500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 5 TO 7 MPH.
LAL.................1 INCREASING TO 2 IN THE AFTERNOON.
HAINES INDEX........4 (LOW).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS.
CWR.................10.
MIN TEMPERATURE.....56-61.
MAX HUMIDITY........67-72 PERCENT.
WIND (20 FT)........NORTH-NORTHWEST WINDS 6 TO 11 MPH BECOMING
                    DRAINAGE LESS THAN 5 MPH AFTER MIDNIGHT.
RIDGETOP WIND.......NORTH-NORTHWEST 8 TO 14 MPH BECOMING EAST 5 TO
                    10 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......10500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHEAST 7 TO 8 MPH.
LAL.................3.
HAINES INDEX........4 (LOW).

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS. A SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE MORNING THEN A
                    CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST 4 TO
                    9 MPH IN THE LATE MORNING AND AFTERNOON.
RIDGETOP WIND.......LIGHT LESS THAN 5 MPH BECOMING NORTHWEST 5 TO 10
                    MPH BY AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 9500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS.
LAL.................2 INCREASING TO 3 IN THE AFTERNOON.
HAINES INDEX........3 (VERY LOW).

$$
FORECASTER...RACHEL TRIMARCO
REQUESTED BY...J SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 20120713.GRIND.01/PDT