Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 222256
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PST MON DEC 22 2014

ORZ050-231400-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH. LOWS 10 TO
17.
.TUESDAY...MOSTLY CLOUDY. WEST WINDS AROUND 10 MPH. HIGHS 26 TO 33.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS
UP TO 30 MPH AFTER MIDNIGHT. LOWS 21 TO 28.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN
SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH SHIFTING TO THE WEST 15 TO 25 MPH IN THE
AFTERNOON. GUSTS UP TO 35 MPH. HIGHS 22 TO 29.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 3 TO 4 INCHES. WEST
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 7 TO 14.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING.
HIGHS 11 TO 18.

$$

ORZ050-231400-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 13 TO 20.
.TUESDAY...MOSTLY CLOUDY. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
IN THE AFTERNOON. HIGHS 26 TO 33.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTH WINDS 10 TO 15 MPH. LOWS 21 TO
28.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN
SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTHWEST
WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 24 TO
31.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION AROUND 2 INCHES.
SOUTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST 15 TO 20 MPH
WITH GUSTS TO 30 MPH AFTER MIDNIGHT. LOWS 13 TO 20.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS
19 TO 26.

$$

ORZ050-062-231400-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 12 TO 19.
.TUESDAY...MOSTLY CLOUDY. LIGHT WINDS BECOMING SOUTHWEST AROUND
10 MPH IN THE AFTERNOON. HIGHS 27 TO 34.
.TUESDAY NIGHT...MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. LOWS
20 TO 27.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 35 MPH IN THE AFTERNOON. HIGHS 23 TO 30.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 4 INCHES.
SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 25 MPH INCREASING TO
NORTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT. LOWS
10 TO 17.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 13 TO 20.

$$

ORZ050-062-231400-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY.
NORTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
11 TO 18.
.TUESDAY...MOSTLY CLOUDY. LIGHT WINDS BECOMING SOUTHWEST AROUND
10 MPH IN THE AFTERNOON. HIGHS 27 TO 34.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTH WINDS 10 TO 15 MPH. LOWS 21 TO
28.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 24 TO 31.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH INCREASING TO NORTHWEST
20 TO 30 MPH WITH GUSTS TO 40 MPH AFTER MIDNIGHT. LOWS 11 TO 18.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING.
HIGHS 12 TO 19.

$$

ORZ050-062-231400-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH. LOWS 11 TO
18.
.TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE MORNING.
LIGHT WINDS. HIGHS 26 TO 33.
.TUESDAY NIGHT...MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS
UP TO 25 MPH AFTER MIDNIGHT. LOWS 20 TO 27.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 23 TO 30.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 5 INCHES. WEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH INCREASING TO NORTHWEST
20 TO 30 MPH WITH GUSTS TO 40 MPH AFTER MIDNIGHT. LOWS 7 TO 14.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH IN THE
AFTERNOON. GUSTS UP TO 35 MPH. HIGHS 9 TO 16.

$$

ORZ062-503-231400-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH. LOWS 14 TO
21.
.TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE MORNING. WEST
WINDS AROUND 10 MPH. HIGHS 31 TO 38.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER
MIDNIGHT. LOWS 24 TO 31.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 15 TO
20 MPH. GUSTS UP TO 30 MPH INCREASING TO 40 MPH IN THE AFTERNOON.
HIGHS 27 TO 34.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION UP TO 3 INCHES. NORTHWEST
WINDS 20 TO 30 MPH. GUSTS UP TO 35 MPH INCREASING TO 45 MPH AFTER
MIDNIGHT. LOWS 9 TO 16.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 20 TO 30 MPH. GUSTS UP TO 40 MPH IN THE MORNING.
HIGHS 10 TO 17.

$$

ORZ502-231400-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PST MON DEC 22 2014

.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
LIGHT WINDS. LOWS 20 TO 27.
.TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE MORNING. SOUTH WINDS 10 TO 15 MPH. HIGHS 33 TO 40.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 25 TO
32.
.WEDNESDAY...RAIN LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. SOUTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 27 TO 34.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 16 TO 23.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST
WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 25 TO
31.

$$

ORZ509-231400-
BROKEN TOP-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WEST WINDS
10 TO 15 MPH. LOWS 26 TO 33.
.TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 35 TO 42.
.TUESDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AND RAIN AFTER
MIDNIGHT. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 25 TO
32.
.WEDNESDAY...SNOW AND RAIN LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. WEST WINDS 15 TO 20 MPH
WITH GUSTS TO 30 MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH
IN THE AFTERNOON. HIGHS 27 TO 34.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 13 TO 20.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH. HIGHS 14 TO 21.

$$

ORZ509-231400-
TAM MCARTHUR RIM-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WEST WINDS
10 TO 15 MPH. LOWS 26 TO 33.
.TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 36 TO 43.
.TUESDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AND RAIN AFTER
MIDNIGHT. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 25 TO
32.
.WEDNESDAY...RAIN AND SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. WEST WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH
IN THE AFTERNOON. HIGHS 27 TO 34.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 14 TO 21.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH. HIGHS 14 TO 21.

$$

ORZ509-231400-
NEWBERRY CRATER-
256 PM PST MON DEC 22 2014

.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE EVENING...
THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.
NORTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
25 TO 32.
.TUESDAY...PARTLY CLOUDY. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 38 TO
45.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS
UP TO 25 MPH AFTER MIDNIGHT. LOWS 27 TO 34.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS 15 TO 20 MPH SHIFTING TO THE WEST 20 TO 30 MPH IN
THE AFTERNOON. HIGHS 29 TO 36.
.WEDNESDAY NIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 20 TO 30 MPH
WITH GUSTS TO 40 MPH. LOWS 13 TO 20.
.CHRISTMAS DAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.
NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO 35 MPH. HIGHS 20 TO 26.

$$





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