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000
FWUS46 KPDT 202156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT MON MAY 20 2013

ORZ050-211300-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
AFTER MIDNIGHT. LOWS 32 TO 39.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. SOUTH WINDS 15 TO 25 MPH. HIGHS 40 TO 47.
.TUESDAY NIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH SHIFTING TO THE WEST AROUND 10 MPH AFTER
MIDNIGHT. LOWS 21 TO 28.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN MOSTLY CLOUDY
WITH CHANCE OF SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF
1 TO 2 INCHES. SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHEAST IN THE AFTERNOON. HIGHS 27 TO 34.
.WEDNESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHEAST
WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS 20 TO 27.
.THURSDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON. HIGHS 31 TO 38.

$$

ORZ050-211300-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 32 TO 39.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON. HIGHS 57 TO 63.
.TUESDAY NIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 10 TO
15 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT. LOWS 24 TO 31.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN MOSTLY CLOUDY
WITH CHANCE OF SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION
AROUND 1 INCH. LIGHT WINDS BECOMING SOUTHEAST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 37 TO 44.
.WEDNESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHEAST
WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS 22 TO 29.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON. HIGHS 41 TO 48.

$$

ORZ050-062-211300-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 33 TO 40.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
AFTERNOON. HIGHS 49 TO 56.
.TUESDAY NIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS AND SHOWERS LIKELY
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. NORTHWEST WINDS
AROUND 10 MPH. LOWS 23 TO 30.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SOUTH
WINDS 10 TO 15 MPH. HIGHS 31 TO 38.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTH
WINDS AROUND 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT. LOWS 21 TO
28.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN CHANCE OF SNOW SHOWERS...SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. NORTHEAST WINDS AROUND 10 MPH
SHIFTING TO THE SOUTH IN THE AFTERNOON. HIGHS 33 TO 40.

$$

ORZ050-062-211300-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...PARTLY CLOUDY. SOUTH WINDS AROUND 10 MPH. LOWS 35 TO 42.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS
50 TO 56.
.TUESDAY NIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
LOWS 23 TO 30.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN MOSTLY CLOUDY
WITH CHANCE OF SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION
AROUND 1 INCH. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 31 TO 38.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
SOUTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
23 TO 30.
.THURSDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. LIGHT WINDS BECOMING WEST AROUND
10 MPH IN THE AFTERNOON. HIGHS 34 TO 41.

$$

ORZ050-062-211300-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...PARTLY CLOUDY. SOUTH WINDS AROUND 10 MPH IN THE EVENING
BECOMING LIGHT. LOWS 32 TO 39.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN
THE AFTERNOON. HIGHS 44 TO 51.
.TUESDAY NIGHT...CHANCE OF SHOWERS WITH POSSIBLE SNOW SHOWERS AND
THUNDERSTORMS LIKELY IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. WEST WINDS AROUND 10 MPH.
GUSTS UP TO 25 MPH IN THE EVENING. LOWS 21 TO 28.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SOUTH
WINDS 10 TO 15 MPH. HIGHS 32 TO 38.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LIGHT
WINDS. LOWS 20 TO 27.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
AFTERNOON. HIGHS 34 TO 41.

$$

ORZ062-503-211300-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. SOUTH
WINDS 10 TO 15 MPH. LOWS 35 TO 42.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOUTH WINDS 10 TO 15 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON. HIGHS 45 TO 52.
.TUESDAY NIGHT...SHOWERS AND SNOW SHOWERS LIKELY IN THE EVENING...
THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO
2 INCHES. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 16 TO
23.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST
WINDS 10 TO 15 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON. HIGHS
33 TO 39.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LIGHT
WINDS. LOWS 21 TO 28.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. LIGHT WINDS BECOMING EAST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 38 TO 44.

$$

ORZ502-211300-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PDT MON MAY 20 2013

.TONIGHT...CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LIGHT
WINDS BECOMING SOUTHEAST AROUND 10 MPH AFTER MIDNIGHT. LOWS 36 TO
43.
.TUESDAY...PARTLY CLOUDY IN THE MORNING...THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOUTH WINDS AROUND
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. HIGHS 56 TO 62.
.TUESDAY NIGHT...SHOWERS LIKELY IN THE EVENING...THEN SNOW SHOWERS
LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS
10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING. LOWS 25 TO 32.
.WEDNESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN SNOW SHOWERS
AND SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE MORNING.
HIGHS 39 TO 45.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS
IN THE EVENING...THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
SOUTHWEST WINDS 10 TO 15 MPH IN THE EVENING BECOMING LIGHT. LOWS
25 TO 32.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. LIGHT WINDS BECOMING NORTH AROUND 10 MPH IN THE
AFTERNOON. HIGHS 43 TO 49.

$$

ORZ509-211300-
BROKEN TOP-
256 PM PDT MON MAY 20 2013

.TONIGHT...CLEAR IN THE EVENING...THEN PARTLY CLOUDY WITH SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT. NORTHWEST WINDS 10 TO 15 MPH SHIFTING
TO THE SOUTHWEST AFTER MIDNIGHT. LOWS 27 TO 34.
.TUESDAY...SHOWERS AND SNOW SHOWERS LIKELY IN THE MORNING...THEN
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
HIGHS 30 TO 37.
.TUESDAY NIGHT...SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 16 TO 23.
.WEDNESDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND 1 INCH.
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS 23 TO 30.
.WEDNESDAY NIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE
OF SNOW SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 18 TO 25.
.THURSDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
SNOW SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION AROUND
1 INCH. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 27 TO 34.

$$

ORZ509-211300-
TAM MCARTHUR RIM-
256 PM PDT MON MAY 20 2013

.TONIGHT...CLEAR IN THE EVENING...THEN PARTLY CLOUDY WITH SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT. NORTHWEST WINDS 10 TO 15 MPH SHIFTING
TO THE SOUTHWEST AFTER MIDNIGHT. LOWS 27 TO 34.
.TUESDAY...SHOWERS LIKELY IN THE MORNING...THEN SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS
10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 30 TO 37.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN SNOW
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 16 TO 23.
.WEDNESDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND 1 INCH.
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS 23 TO 30.
.WEDNESDAY NIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE
OF SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION.
SOUTHWEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER
MIDNIGHT. GUSTS UP TO 35 MPH. LOWS 18 TO 25.
.THURSDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST
WINDS AROUND 10 MPH. HIGHS 27 TO 34.

$$

ORZ509-211300-
NEWBERRY CRATER-
256 PM PDT MON MAY 20 2013

.TONIGHT...CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
NORTHWEST WINDS 10 TO 15 MPH IN THE EVENING BECOMING LIGHT. LOWS
31 TO 38.
.TUESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. SOUTHWEST WINDS
10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 35 TO 42.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION UP TO
1 INCH. WEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER
MIDNIGHT. GUSTS UP TO 35 MPH. LOWS 21 TO 28.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LITTLE OR NO
SNOW ACCUMULATION. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH. HIGHS 30 TO 37.
.WEDNESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHWEST
WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING. LOWS 22 TO
29.
.THURSDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. LIGHT WINDS
BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS 34 TO 41.

$$