FNUS76 KPDT 211333
FWSPDT

SPOT FORECAST FOR ARROZ 501...USFS WWF
NATIONAL WEATHER SERVICE PENDLETON OR
632 AM PDT THU OCT 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL BRING DRY AND STABLE CONDITIONS
TODAY...BUT WILL BREAK DOWN OVERNIGHT AND FRIDAY THUS ALLOWING AN
INCREASING SOUTHERLY FLOW. WINDS WILL INCREASE ALONG RIDGETOPS AND
CLOUDS WILL SPREAD ACROSS EASTERN OREGON TONIGHT AND FRIDAY. RAIN IS
EXPECTED THIS WEEKEND WITH SNOW LEVELS LOWERING TO NEAR 4000 FEET
SUNDAY NIGHT AND MONDAY.

***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.....68.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........CALM WINDS...BECOMING SOUTH 2-5 MPH
                    AFTER 10 AM.
RIDGETOP WIND.......SOUTH TO SOUTHWEST WINDS 3-6 MPH IN THE MORNING
                    BECOMING NORTH 3-6 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 3000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 6 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MIN TEMPERATURE.....42.
MAX HUMIDITY........64 PERCENT.
WIND (20 FT)........VARIABLE WINDS 0-2 MPH IN THE EVENING THEN
                    BECOMING SOUTH TO SOUTHWEST WINDS 0-3 MPH AFTER
                    MIDNIGHT.
RIDGETOP WIND.......VARIABLE WINDS (MAINLY NORTH) 0-3 MPH IN THE
                    EVENING BECOMING SOUTH TO SOUTHWEST 2-6 MPH AFTER
                    MIDNIGHT...THEN SOUTHWEST TO WEST WINDS 6-10 MPH
                    AFTER 0300.
MIXING HEIGHT.......3000 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 6 MPH AFTER
                    MIDNIGHT.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....54.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........SOUTHWEST TO WEST WINDS 1-4 MPH IN THE MORNING
                    BECOMING NORTHWEST WINDS 2-6 MPH AROUND 1200 AND
                    THEN SHIFTING TO NORTH WINDS 1-5 MPH AFTER 1500.
RIDGETOP WIND.......WEST WINDS 4-9 MPH...BECOMING NORTHWEST 4-9 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 3500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 40 TO 45. HIGHS 53 TO
58. EAST WINDS 4 TO 9 MPH.
.SUNDAY...
CLOUDY WITH RAIN LIKELY....EXCEPT SNOW LIKELY AUNDAY NIGHT AFTER
MIDNIGHT. LOWS 34 TO 39. HIGHS 44 TO 54. SOUTHWEST WINDS 11 TO 20 MPH.
.MONDAY...
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SNOW IN THE MORNING AND A
CHANCE  OF RAIN IN THE AFTERNOON. LOWS 28 TO 33. HIGHS 39 TO 44.
WEST WINDS 17 TO 27 MPH.
.TUESDAY...
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. LOWS
28 TO 33. HIGHS 39 TO 44.
.WEDNESDAY...
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS.
LOWS 32 TO 37. HIGHS 41 TO 46.

$$


FORECASTER...MARY JOHNSON
REQUESTED BY...MARK MOELLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20101021.ARROZ.01/PDT