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000
FWUS46 KPDT 211056
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT TUE MAY 21 2013

ORZ050-220100-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN SHOWERS...SNOW SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO
35 MPH. HIGHS 39 TO 46.
.TONIGHT...CHANCE OF SNOW SHOWERS...SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH.
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. SOUTH 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 29 TO 36.
.THURSDAY NIGHT...SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. LIGHT WINDS. LOWS 19 TO
26.

$$

ORZ050-220100-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 56 TO 62.
.TONIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 1 INCH. SOUTHEAST WINDS AROUND 10 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 OF
1 TO 2 INCHES. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
AFTERNOON. HIGHS 37 TO 44.
.WEDNESDAY NIGHT...CLOUDY. CHANCE OF SNOW SHOWERS IN THE EVENING...
THEN CHANCE OF SNOW SHOWERS AND SHOWERS AFTER MIDNIGHT. SOUTH 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 43 TO 49.
.THURSDAY NIGHT...CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AND SNOW
SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LIGHT WINDS.
LOWS 25 TO 32.

$$

ORZ050-062-220100-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. SOUTH WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH. HIGHS 48 TO 55.
.TONIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN SNOW SHOWERS AND SHOWERS LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 21 TO 28.
.WEDNESDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP TO 2 INCHES. LIGHT
WINDS BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON. HIGHS 32 TO 39.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTH
WINDS AROUND 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT. LOWS 20 TO
27.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NORTH WINDS AROUND
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON. HIGHS 32 TO 39.
.THURSDAY NIGHT...CLOUDY. CHANCE OF SNOW SHOWERS...SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. EAST WINDS
AROUND 10 MPH. LOWS 23 TO 30.

$$

ORZ050-062-220100-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 49 TO 55.
.TONIGHT...CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 1 INCH. WEST WINDS AROUND 10 MPH. LOWS 23 TO 30.
.WEDNESDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST
WINDS 10 TO 15 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...SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT WINDS BECOMING WEST
AROUND 10 MPH IN THE AFTERNOON. HIGHS 33 TO 40.
.THURSDAY NIGHT...CLOUDY. CHANCE OF SNOW SHOWERS...SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LIGHT WINDS.
LOWS 21 TO 28.

$$

ORZ050-062-220100-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SCATTERED
SHOWERS...SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
NO SNOW ACCUMULATION. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
HIGHS 47 TO 53.
.TONIGHT...CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS AROUND 10 MPH
IN THE EVENING BECOMING LIGHT. LOWS 18 TO 25.
.WEDNESDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP TO 2 INCHES. LIGHT
WINDS BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON. HIGHS 33 TO 38.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT.
LOWS 19 TO 26.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT WINDS
BECOMING SOUTHEAST AROUND 10 MPH IN THE AFTERNOON. HIGHS 34 TO 41.
.THURSDAY NIGHT...CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. EAST WINDS AROUND 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT. LOWS 22 TO 29.

$$

ORZ062-503-220100-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON. SOUTH WINDS 15 TO 20 MPH
WITH GUSTS TO 30 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 44 TO 51.
.TONIGHT...SNOW SHOWERS AND SHOWERS LIKELY IN THE EVENING...THEN
SNOW SHOWERS LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO
2 INCHES. WEST WINDS 10 TO 20 MPH. LOWS 20 TO 25.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. WEST WINDS AROUND 10 MPH IN THE MORNING
BECOMING LIGHT. HIGHS 30 TO 37.
.WEDNESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT.
LOWS 24 TO 30.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NORTHEAST WINDS
AROUND 10 MPH. HIGHS 32 TO 39.
.THURSDAY NIGHT...CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. NORTH WINDS AROUND 10 MPH.
LOWS 19 TO 26.

$$

ORZ502-220100-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY IN THE MORNING...THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOUTH WINDS 10 TO
15 MPH SHIFTING TO THE WEST IN THE AFTERNOON. HIGHS 55 TO 61.
.TONIGHT...SHOWERS LIKELY IN THE EVENING...THEN SNOW SHOWERS LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH. 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 WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. SOUTHWEST WINDS AROUND 10 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 42 TO 48.
.THURSDAY NIGHT...CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. NORTHWEST WINDS AROUND 10 MPH SHIFTING TO THE WEST UP TO
10 MPH AFTER MIDNIGHT. LOWS 28 TO 35.

$$

ORZ509-220100-
BROKEN TOP-
356 AM PDT TUE MAY 21 2013

.TODAY...SHOWERS AND SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 29 TO 36.
.TONIGHT...SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 16 TO 23.
.WEDNESDAY...SNOW SHOWERS. SNOW ACCUMULATION AROUND 1 INCH.
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 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 DECREASING TO
10 TO 15 MPH AFTER MIDNIGHT. LOWS 18 TO 25.
.THURSDAY...CHANCE OF SNOW SHOWERS IN THE MORNING...THEN SNOW
SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS AROUND 10 MPH. HIGHS 26 TO 33.
.THURSDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS. LOWS 20 TO 27.

$$

ORZ509-220100-
TAM MCARTHUR RIM-
356 AM PDT TUE MAY 21 2013

.TODAY...SHOWERS AND SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 29 TO 36.
.TONIGHT...SNOW SHOWERS IN THE EVENING...THEN SNOW SHOWERS LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION OF 1 TO 2 INCHES. 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 20 TO 30 MPH WITH GUSTS TO 40 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 DECREASING TO
10 TO 15 MPH AFTER MIDNIGHT. LOWS 18 TO 25.
.THURSDAY...CHANCE OF SNOW SHOWERS IN THE MORNING...THEN SNOW
SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS AROUND 10 MPH. HIGHS 26 TO 33.
.THURSDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS. LOWS 21 TO 28.

$$

ORZ509-220100-
NEWBERRY CRATER-
356 AM PDT TUE MAY 21 2013

.TODAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS IN THE MORNING...THEN
CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
LITTLE OR NO SNOW ACCUMULATION. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS
UP TO 30 MPH IN THE AFTERNOON. HIGHS 34 TO 41.
.TONIGHT...CLOUDY. CHANCE OF SNOW SHOWERS IN THE EVENING...THEN
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP
TO 1 INCH. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 21 TO
28.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH. HIGHS 30 TO 37.
.WEDNESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO 30 MPH DECREASING TO AROUND 10 MPH AFTER MIDNIGHT. 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.
.THURSDAY NIGHT...CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 20 TO 27.

$$