Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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310
FWUS46 KPDT 082256
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PST THU DEC 8 2016

ORZ050-091400-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST FRIDAY...

.TONIGHT...SNOW. SNOW ACCUMULATION AROUND 2 INCHES. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 9 TO 16.
.FRIDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST WINDS 10 TO 15 MPH.
GUSTS UP TO 40 MPH IN THE AFTERNOON. HIGHS 20 TO 27.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 13 TO 20.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 15 MPH.
GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 16 TO 23.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH INCREASING TO 20 TO 30 MPH WITH
GUSTS TO 40 MPH AFTER MIDNIGHT. LOWS 9 TO 16.
.SUNDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 15 TO 25 MPH
WITH GUSTS TO 35 MPH BECOMING SOUTHWEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 15 TO 22.

$$

ORZ050-091400-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST FRIDAY...

.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 2 TO 3 INCHES. SOUTH WINDS AROUND 10 MPH. LOWS
10 TO 17.
.FRIDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTH WINDS AROUND 10 MPH. GUSTS
UP TO 25 MPH IN THE AFTERNOON. HIGHS 22 TO 29.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING. LOWS 15 TO
22.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. LIGHT WINDS BECOMING
SOUTH AROUND 10 MPH IN THE AFTERNOON. HIGHS 22 TO 29.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHWEST
WINDS AROUND 10 MPH. LOWS 15 TO 22.
.SUNDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 19 TO 26.

$$

ORZ050-062-091400-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST FRIDAY...

.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 3 INCHES. SOUTHWEST WINDS
10 TO 15 MPH. LOWS 7 TO 14.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTH WINDS UP
TO 10 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON. HIGHS 20 TO 27.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING. LOWS 15 TO
22.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. LIGHT WINDS BECOMING
SOUTH AROUND 10 MPH IN THE AFTERNOON. HIGHS 19 TO 26.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 12 TO
19.
.SUNDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION AROUND
1 INCH. WEST WINDS AROUND 10 MPH SHIFTING TO THE SOUTH IN THE
AFTERNOON. HIGHS 17 TO 24.

$$

ORZ050-062-091400-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST FRIDAY...

.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 3 INCHES. SOUTH WINDS
AROUND 10 MPH. LOWS 9 TO 16.
.FRIDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 2 TO 3 INCHES. SOUTH WINDS 10 TO 15 MPH. GUSTS
UP TO 30 MPH IN THE AFTERNOON. HIGHS 22 TO 29.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. LOWS 15 TO 22.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS AROUND 10 MPH
SHIFTING TO THE SOUTH IN THE AFTERNOON. HIGHS 20 TO 27.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 12 TO
19.
.SUNDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 18 TO 25.

$$

ORZ050-062-091400-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST FRIDAY...

.TONIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 3 INCHES. SOUTHWEST WINDS
10 TO 15 MPH. LOWS 7 TO 14.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTH WINDS
10 TO 15 MPH. GUSTS UP TO 35 MPH IN THE AFTERNOON. HIGHS 20 TO 27.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. LOWS 14 TO 21.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS AROUND
10 MPH. HIGHS 18 TO 25.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTHWEST
WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 12 TO
19.
.SUNDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION AROUND
1 INCH. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE
MORNING. HIGHS 16 TO 23.

$$

ORZ062-503-091400-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST SATURDAY...

.TONIGHT...SNOW. SNOW ACCUMULATION AROUND 2 INCHES. SOUTHWEST WINDS
15 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 8 TO 15.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST WINDS
10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 20 TO 27.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS
15 TO 25 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT. LOWS 16 TO 23.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH.
HIGHS 17 TO 24.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 25 MPH INCREASING TO 20 TO 30 MPH WITH
GUSTS TO 40 MPH AFTER MIDNIGHT. LOWS 13 TO 20.
.SUNDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION OF 1 TO
2 INCHES. WEST WINDS 15 TO 25 MPH. HIGHS 16 TO 23.

$$

ORZ502-091400-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PST THU DEC 8 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST SATURDAY...

.TONIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. LIGHT WINDS
BECOMING SOUTHWEST UP TO 10 MPH AFTER MIDNIGHT. LOWS 10 TO 17.
.FRIDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTH WINDS UP TO
10 MPH. GUSTS UP TO 35 MPH IN THE AFTERNOON. HIGHS 24 TO 31.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH. LOWS 19 TO 26.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS UP TO 10 MPH
WITH GUSTS TO 25 MPH IN THE MORNING BECOMING LIGHT. HIGHS 21 TO 28.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 2 INCHES. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO 25 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO 45 MPH AFTER
MIDNIGHT. LOWS 19 TO 26.
.SUNDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST
WINDS 10 TO 20 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE
AFTERNOON. HIGHS 22 TO 29.

$$

ORZ509-091400-
BROKEN TOP-
256 PM PST THU DEC 8 2016

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TONIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST WINDS
20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 12 TO 19.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 2 TO 5 INCHES. SOUTHWEST WINDS
20 TO 30 MPH. GUSTS UP TO 35 MPH INCREASING TO 45 MPH IN THE
AFTERNOON. HIGHS 21 TO 28.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST
WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. LOWS 18 TO 25.
.SATURDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST WINDS 20 TO 30 MPH
WITH GUSTS TO 45 MPH. HIGHS 15 TO 22.
.SATURDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO
2 INCHES. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH. LOWS 16 TO
23.
.SUNDAY...SNOW LIKELY. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH SHIFTING TO THE WEST 15 TO 25 MPH IN THE
AFTERNOON. HIGHS 17 TO 24.

$$

ORZ509-091400-
TAM MCARTHUR RIM-
256 PM PST THU DEC 8 2016

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TONIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS
20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 12 TO 19.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTHWEST WINDS
20 TO 30 MPH WITH GUSTS TO 40 MPH. HIGHS 22 TO 29.
.FRIDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 18 TO 25.
.SATURDAY...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. HIGHS 16 TO 23.
.SATURDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO
2 INCHES. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 16 TO
23.
.SUNDAY...SNOW LIKELY. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 17 TO 24.

$$

ORZ509-091400-
NEWBERRY CRATER-
256 PM PST THU DEC 8 2016

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TONIGHT...SNOW...CHANCE OF LIGHT FREEZING RAIN AND LIGHT SLEET IN
THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT. SNOW AND SLEET
ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS
TO 45 MPH DECREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH AFTER
MIDNIGHT. LOWS 15 TO 22.
.FRIDAY...SNOW LIKELY. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST
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 23 TO 30.
.FRIDAY NIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 20 TO
30 MPH WITH GUSTS TO 45 MPH. LOWS 15 TO 22.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS 20 TO 30 MPH
WITH GUSTS TO 40 MPH. HIGHS 20 TO 27.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
15 TO 25 MPH. LOWS 13 TO 20.
.SUNDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. CHANCE
OF SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 15 TO 25 MPH
WITH GUSTS TO 35 MPH. HIGHS 19 TO 26.

$$


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