Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 211156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST SUN DEC 21 2014

ORZ050-220200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD SNOW. SNOW ACCUMULATION OF 3 TO 4 INCHES.
NORTHWEST WINDS 25 TO 35 MPH. GUSTS UP TO 55 MPH DECREASING TO
45 MPH IN THE AFTERNOON. HIGHS 25 TO 32.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 20 TO 35 MPH WITH
GUSTS TO 45 MPH. LOWS 15 TO 22.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. NORTHWEST WINDS 15 TO
25 MPH. HIGHS 17 TO 24.
.MONDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WEST WINDS AROUND 10 MPH. LOWS 12 TO 19.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. WEST WINDS
AROUND 10 MPH. HIGHS 28 TO 35.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. CHANCE OF SNOW. SOUTHWEST WINDS 10 TO 15 MPH. LOWS 19 TO 26.

$$

ORZ050-220200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN. WEST WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH IN THE MORNING. HIGHS 31 TO 38.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH. LOWS 22 TO
29.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. NORTHWEST WINDS AROUND
10 MPH. HIGHS 23 TO 30.
.MONDAY NIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 13 TO 20.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LIGHT WINDS
BECOMING SOUTH AROUND 10 MPH IN THE AFTERNOON. HIGHS 26 TO 33.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS
AROUND 10 MPH. LOWS 17 TO 24.

$$

ORZ050-062-220200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN AND SNOW IN THE MORNING...THEN WIDESPREAD
SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 6 INCHES. WEST WINDS
20 TO 30 MPH WITH GUSTS TO 50 MPH. HIGHS 29 TO 36.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 10 TO 20 MPH WITH
GUSTS TO 35 MPH. LOWS 20 TO 27.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. 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 11 TO 18.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LIGHT WINDS
BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS 26 TO 33.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS
10 TO 15 MPH. LOWS 20 TO 27.

$$

ORZ050-062-220200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN IN THE MORNING...THEN WIDESPREAD SNOW AND
RAIN IN THE AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. WEST WINDS
20 TO 30 MPH WITH GUSTS TO 40 MPH. HIGHS 27 TO 34.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 15 TO 25 MPH WITH
GUSTS TO 35 MPH. LOWS 18 TO 25.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. NORTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 23 TO 28.
.MONDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 12 TO 19.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LIGHT WINDS
BECOMING SOUTH AROUND 10 MPH IN THE AFTERNOON. HIGHS 27 TO 34.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. CHANCE OF SNOW. SOUTH WINDS AROUND 10 MPH. LOWS 19 TO 26.

$$

ORZ050-062-220200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD SNOW. SNOW ACCUMULATION OF 2 TO 7 INCHES. WEST
WINDS 30 TO 45 MPH. GUSTS UP TO 60 MPH INCREASING TO 70 MPH IN THE
AFTERNOON. HIGHS 26 TO 33.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. NORTHWEST WINDS 20 TO 30 MPH
WITH GUSTS TO 45 MPH. LOWS 17 TO 24.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. NORTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 20 TO 27.
.MONDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE EVENING.
NORTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
11 TO 18.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. WEST WINDS
AROUND 10 MPH. HIGHS 25 TO 32.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS
AROUND 10 MPH. LOWS 19 TO 26.

$$

ORZ062-503-220200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD SNOW AND RAIN IN THE MORNING...THEN WIDESPREAD
SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. WEST WINDS
40 TO 50 MPH WITH GUSTS TO 70 MPH. HIGHS 28 TO 35.
.TONIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 3 INCHES. NORTHWEST WINDS 25 TO
35 MPH WITH GUSTS TO 45 MPH. LOWS 19 TO 26.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. NORTHWEST WINDS 15 TO
25 MPH DECREASING TO 10 TO 15 MPH IN THE AFTERNOON. HIGHS 22 TO 29.
.MONDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE
EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. NORTHWEST WINDS 10 TO
15 MPH. LOWS 14 TO 21.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. WEST WINDS
AROUND 10 MPH. HIGHS 29 TO 36.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 22 TO 29.

$$

ORZ502-220200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN. WEST WINDS 20 TO 30 MPH WITH GUSTS TO
50 MPH. HIGHS 34 TO 41.
.TONIGHT...RAIN IN THE EVENING...THEN SNOW AND RAIN AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 15 TO 25 MPH WITH GUSTS
TO 35 MPH. LOWS 23 TO 30.
.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW. WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE MORNING. HIGHS 29 TO 35.
.MONDAY NIGHT...MOSTLY CLOUDY. SOUTHWEST WINDS AROUND 10 MPH. LOWS
20 TO 27.
.TUESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT CHANCE OF
RAIN. SOUTH WINDS AROUND 10 MPH. HIGHS 32 TO 39.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 25 TO
32.

$$

ORZ509-220200-
BROKEN TOP-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN. WEST WINDS 20 TO 30 MPH WITH GUSTS TO
45 MPH INCREASING TO 35 TO 45 MPH WITH GUSTS TO 55 MPH IN THE
AFTERNOON. HIGHS 33 TO 40.
.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 6 INCHES. WEST WINDS
30 TO 40 MPH WITH GUSTS TO 50 MPH. LOWS 24 TO 31.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING.
HIGHS 29 TO 36.
.MONDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. WEST WINDS
10 TO 15 MPH. LOWS 25 TO 32.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. SOUTHWEST WINDS
AROUND 10 MPH. HIGHS 35 TO 42.
.TUESDAY NIGHT...PARTLY CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 23 TO 30.

$$

ORZ509-220200-
TAM MCARTHUR RIM-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN. WEST WINDS 20 TO 30 MPH WITH GUSTS TO
40 MPH INCREASING TO 35 TO 45 MPH WITH GUSTS TO 55 MPH IN THE
AFTERNOON. HIGHS 34 TO 41.
.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 5 INCHES. WEST WINDS
25 TO 40 MPH WITH GUSTS TO 50 MPH. LOWS 24 TO 31.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING.
HIGHS 29 TO 36.
.MONDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. WEST WINDS
AROUND 10 MPH. LOWS 25 TO 32.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. SOUTHWEST WINDS
AROUND 10 MPH. HIGHS 35 TO 42.
.TUESDAY NIGHT...PARTLY CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 23 TO 30.

$$

ORZ509-220200-
NEWBERRY CRATER-
356 AM PST SUN DEC 21 2014

.TODAY...WIDESPREAD RAIN. WEST WINDS 20 TO 35 MPH WITH GUSTS TO
45 MPH. HIGHS 37 TO 44.
.TONIGHT...RAIN LIKELY IN THE EVENING...THEN CHANCE OF SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 20 TO 35 MPH
WITH GUSTS TO 45 MPH. LOWS 24 TO 31.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING...THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. WEST WINDS 10 TO 20 MPH. GUSTS UP
TO 30 MPH IN THE MORNING. HIGHS 29 TO 36.
.MONDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WEST WINDS AROUND 10 MPH. LOWS 23 TO 30.
.TUESDAY...PARTLY CLOUDY. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 36 TO
43.
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. SOUTHWEST WINDS 10 TO 15 MPH. LOWS 25 TO 32.

$$




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