Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 212256
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PST SUN DEC 21 2014

ORZ050-221400-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST
WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 16 TO 23.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING...THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. NORTHWEST WINDS 10 TO 20 MPH WITH
GUSTS TO 30 MPH. HIGHS 19 TO 26.
.MONDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH. LOWS
10 TO 17.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW. WEST WINDS AROUND 10 MPH. HIGHS 27 TO 34.
.TUESDAY NIGHT...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 21 TO
28.
.WEDNESDAY...SNOW LIKELY. SNOW ACCUMULATION UP TO 3 INCHES.
SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 26 TO 33.

$$

ORZ050-221400-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST
WINDS AROUND 10 MPH. LOWS 22 TO 29.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING...THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. LIGHT WINDS BECOMING NORTHWEST
AROUND 10 MPH IN THE AFTERNOON. HIGHS 24 TO 31.
.MONDAY NIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 13 TO 20.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE AFTERNOON. HIGHS
27 TO 34.
.TUESDAY NIGHT...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. SOUTH
WINDS 10 TO 15 MPH. LOWS 21 TO 28.
.WEDNESDAY...RAIN LIKELY IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH WINDS AROUND
10 MPH. HIGHS 28 TO 35.

$$

ORZ050-062-221400-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST
WINDS 10 TO 15 MPH. LOWS 19 TO 26.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING...THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. NORTHWEST WINDS 10 TO 15 MPH. HIGHS
22 TO 29.
.MONDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 10 TO 17.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE AFTERNOON. HIGHS
25 TO 32.
.TUESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. SLIGHT CHANCE OF SNOW. 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. SOUTHWEST WINDS 10 TO
15 MPH. HIGHS 26 TO 33.

$$

ORZ050-062-221400-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 17 TO 24.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING...THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. NORTHWEST WINDS 10 TO 15 MPH. HIGHS
24 TO 29.
.MONDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 11 TO 18.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN
THE AFTERNOON. HIGHS 26 TO 33.
.TUESDAY NIGHT...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. SOUTH
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 AROUND
10 MPH. HIGHS 28 TO 35.

$$

ORZ050-062-221400-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO 30 MPH. LOWS 17 TO 24.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING...THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO 30 MPH. HIGHS 21 TO 28.
.MONDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH. LOWS
11 TO 18.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING...THEN PARTLY CLOUDY WITH
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WEST WINDS AROUND 10 MPH.
HIGHS 26 TO 33.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE
EVENING...THEN PARTLY CLOUDY WITH CHANCE OF SNOW AFTER MIDNIGHT.
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. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH. HIGHS 25 TO 32.

$$

ORZ062-503-221400-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION OF 1 TO
2 INCHES. NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS
19 TO 26.
.MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE MORNING.
NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS 23 TO 30.
.MONDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE
EVENING. LOWS 13 TO 20.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW. WEST WINDS AROUND 10 MPH. HIGHS 30 TO 37.
.TUESDAY NIGHT...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW.
SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT.
LOWS 22 TO 29.
.WEDNESDAY...SNOW AND RAIN LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO
20 MPH. HIGHS 29 TO 36.

$$

ORZ502-221400-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PST SUN DEC 21 2014

.TONIGHT...RAIN AND SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AND RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 24 TO 31.
.MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE MORNING...
THEN PARTLY CLOUDY IN THE AFTERNOON. WEST WINDS 10 TO 15 MPH. GUSTS
UP TO 30 MPH IN THE MORNING. HIGHS 31 TO 37.
.MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LIGHT WINDS. LOWS 20 TO 27.
.TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING...THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. SOUTH WINDS
10 TO 15 MPH. HIGHS 32 TO 39.
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH AFTER
MIDNIGHT. LOWS 25 TO 32.
.WEDNESDAY...RAIN LIKELY IN THE MORNING...THEN RAIN AND SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 6 INCHES. SOUTHWEST WINDS 10 TO
15 MPH. HIGHS 33 TO 40.

$$

ORZ509-221400-
BROKEN TOP-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 7 INCHES. WEST WINDS
20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 24 TO 31.
.MONDAY...SNOW LIKELY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SNOW IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH. HIGHS 30 TO 37.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF
SNOW IN THE EVENING...THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT.
WEST WINDS 10 TO 15 MPH. LOWS 25 TO 32.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING. LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 33 TO 40.
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH AFTER
MIDNIGHT. LOWS 24 TO 31.
.WEDNESDAY...RAIN LIKELY IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 5 INCHES. SOUTHWEST WINDS 15 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 29 TO 36.

$$

ORZ509-221400-
TAM MCARTHUR RIM-
256 PM PST SUN DEC 21 2014

.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 6 INCHES. WEST WINDS
20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 25 TO 32.
.MONDAY...SNOW LIKELY IN THE MORNING...THEN MOSTLY CLOUDY WITH
CHANCE OF SNOW IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 30 TO 37.
.MONDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AND RAIN IN THE
EVENING...THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. WEST WINDS
AROUND 10 MPH. LOWS 25 TO 32.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING. LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 34 TO 41.
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH AFTER
MIDNIGHT. LOWS 24 TO 31.
.WEDNESDAY...RAIN LIKELY IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. SOUTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 30 TO 37.

$$

ORZ509-221400-
NEWBERRY CRATER-
256 PM PST SUN DEC 21 2014

.TONIGHT...RAIN LIKELY IN THE EVENING...THEN CHANCE OF RAIN AND SNOW
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. WEST WINDS 20 TO
30 MPH WITH GUSTS TO 40 MPH. LOWS 25 TO 32.
.MONDAY...CLOUDY WITH CHANCE OF SNOW AND RAIN IN THE MORNING...THEN
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH IN THE MORNING. HIGHS
30 TO 37.
.MONDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW.
WEST WINDS AROUND 10 MPH. LOWS 25 TO 32.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN CLEARING. SOUTHWEST
WINDS AROUND 10 MPH. HIGHS 35 TO 42.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS
UP TO 30 MPH AFTER MIDNIGHT. LOWS 26 TO 33.
.WEDNESDAY...MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING...THEN
CHANCE OF SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 32 TO 39.

$$




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