Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 222256
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PST Wed Nov 22 2017

ORZ050-231400-
Wallowa Mountains 8000 to 9000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy with chance of rain. Southwest winds 15 to 20 mph
with gusts to 30 mph. Lows 33 to 40.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. Southwest winds 15 to 20 mph with gusts to 35 mph.
Highs 36 to 43.
.THURSDAY NIGHT...Rain and snow in the evening, then snow likely
after midnight. Snow accumulation up to 3 inches. West winds 15 to
25 mph. Lows 17 to 24.
.FRIDAY...Mostly cloudy with chance of snow in the morning, then
sunny in the afternoon. Southwest winds around 10 mph. Highs 26 to
33.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Southwest winds 10 to 15 mph. Lows 19 to 26.
.SATURDAY...Cloudy with chance of snow. Snow accumulation up to
1 inch. Southwest winds around 10 mph shifting to the south 15 to
20 mph in the afternoon. Highs 32 to 39.

$$

ORZ050-231400-
Salt Creek Area 5000 to 7000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy. Slight chance of rain in the evening, then chance
of rain after midnight. South winds around 10 mph. Lows 34 to 41.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. South winds 10 to 15 mph. Gusts up to 30 mph in
the morning. Highs 39 to 46.
.THURSDAY NIGHT...Rain in the evening, then rain and snow likely
after midnight. No snow accumulation. Southwest winds 10 to 15 mph.
Lows 24 to 31.
.FRIDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy in the afternoon. Light winds. Highs 33 to 40.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Light winds becoming south around 10 mph after midnight.
Lows 24 to 31.
.SATURDAY...Cloudy with chance of rain. Light winds becoming south
10 to 15 mph in the afternoon. Highs 34 to 41.

$$

ORZ050-062-231400-
Clear Creek Area 6000 to 8000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy with chance of rain. Southwest winds 10 to 15 mph.
Lows 33 to 40.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. South winds 10 to 20 mph with gusts to 30 mph.
Highs 37 to 44.
.THURSDAY NIGHT...Rain in the evening, then snow and rain likely
after midnight. Snow accumulation up to 2 inches. Southwest winds
10 to 20 mph. Lows 22 to 29.
.FRIDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy in the afternoon. Light winds becoming southwest
around 10 mph in the afternoon. Highs 29 to 36.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Southwest winds around 10 mph. Lows 22 to 29.
.SATURDAY...Chance of rain and snow in the morning, then rain and
snow likely in the afternoon. Snow accumulation up to 1 inch. South
winds 10 to 15 mph. Highs 33 to 40.

$$

ORZ050-062-231400-
Catherine Creek Area 6000 to 8000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy with chance of rain. South winds 10 to 15 mph.
Lows 37 to 44.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. South winds 10 to 15 mph with gusts to 30 mph.
Highs 41 to 48.
.THURSDAY NIGHT...Rain in the evening, then snow likely after
midnight. Snow accumulation up to 2 inches. West winds 10 to 15 mph.
Lows 21 to 28.
.FRIDAY...Mostly cloudy with slight chance of snow in the morning,
then partly cloudy in the afternoon. West winds around 10 mph in the
morning becoming light. Highs 31 to 38.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Light winds becoming south around 10 mph after midnight.
Lows 23 to 30.
.SATURDAY...Chance of rain and snow in the morning, then rain and
snow likely in the afternoon. Snow accumulation up to 1 inch. South
winds 10 to 15 mph. Highs 35 to 42.

$$

ORZ050-062-231400-
Norway Area 7000 to 10000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy with chance of rain. Southwest winds 10 to 15 mph.
Lows 33 to 40.
.THANKSGIVING DAY...Mostly cloudy with chance of rain in the
morning, then rain and snow in the afternoon. No snow accumulation.
Southwest winds 10 to 20 mph with gusts to 30 mph. Highs 37 to 44.
.THURSDAY NIGHT...Rain and snow in the evening, then snow likely
after midnight. Snow accumulation up to 3 inches. Southwest winds
15 to 25 mph shifting to the west 10 to 15 mph after midnight. Lows
18 to 25.
.FRIDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy in the afternoon. West winds around 10 mph shifting to
the southwest in the afternoon. Highs 28 to 35.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Southwest winds 10 to 15 mph. Lows 20 to 27.
.SATURDAY...Chance of snow in the morning, then snow likely in the
afternoon. Snow accumulation up to 1 inch. South winds 10 to 15 mph.
Highs 33 to 40.

$$

ORZ062-503-231400-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy. Slight chance of rain in the evening, then chance
of rain after midnight. Southwest winds 15 to 20 mph. Lows 31 to 38.
.THANKSGIVING DAY...Slight chance of rain in the morning, then rain
likely in the afternoon. Southwest winds 15 to 25 mph with gusts to
35 mph. Highs 35 to 42.
.THURSDAY NIGHT...Rain and snow in the evening, then snow likely
after midnight. Snow accumulation up to 2 inches. West winds 15 to
25 mph. Lows 18 to 25.
.FRIDAY...Mostly cloudy with slight chance of snow in the morning,
then partly cloudy in the afternoon. Southwest winds 10 to 15 mph.
Highs 26 to 33.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Southwest winds 10 to 15 mph. Lows 21 to 28.
.SATURDAY...Chance of snow and rain in the morning, then snow and
rain likely in the afternoon. Little or no snow accumulation. South
winds 10 to 20 mph. Highs 30 to 37.

$$

ORZ502-231400-
Blue Mountains 4000 to 6000 feet-
256 PM PST Wed Nov 22 2017

.TONIGHT...Cloudy with chance of rain. Southwest winds up to 10 mph.
Lows 39 to 46.
.THANKSGIVING DAY...Mostly cloudy with chance of rain in the
morning, then rain in the afternoon. Southwest winds 10 to 15 mph
with gusts to 40 mph. Highs 49 to 55.
.THURSDAY NIGHT...Rain in the evening, then rain likely and chance
of snow after midnight. Snow accumulation up to 1 inch. West winds
10 to 15 mph with gusts to 30 mph decreasing to up to 10 mph after
midnight. Lows 25 to 32.
.FRIDAY...Partly cloudy in the morning then clearing. Southwest
winds up to 10 mph in the morning becoming light. Highs 33 to 40.
.FRIDAY NIGHT...Partly cloudy. Light winds. Lows 26 to 33.
.SATURDAY...Chance of rain in the morning, then rain likely in the
afternoon. Light winds becoming south 10 to 15 mph in the afternoon.
Highs 37 to 44.

$$

ORZ509-231400-
Broken Top-
256 PM PST Wed Nov 22 2017

.TONIGHT...Rain likely in the evening, then chance of rain after
midnight. Southwest winds 20 to 35 mph. Lows 33 to 40.
.THANKSGIVING DAY...Rain. Southwest winds 30 to 40 mph with gusts to
60 mph. Highs 37 to 44.
.THURSDAY NIGHT...Rain and snow in the evening, then chance of snow
after midnight. Snow accumulation up to 3 inches. Southwest winds
30 to 40 mph decreasing to 15 to 25 mph after midnight. Lows 19 to
26.
.FRIDAY...Mostly cloudy with slight chance of snow in the morning,
then partly cloudy in the afternoon. Southwest winds 10 to 15 mph.
Highs 29 to 36.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of snow after midnight.
Southwest winds 10 to 20 mph. Lows 23 to 30.
.SATURDAY...Rain and snow likely in the morning, then rain and snow
in the afternoon. No snow accumulation. South winds 10 to 15 mph.
Highs 34 to 41.

$$

ORZ509-231400-
Tam McArthur Rim-
256 PM PST Wed Nov 22 2017

.TONIGHT...Mostly cloudy with chance of rain. Southwest winds 20 to
35 mph. Lows 33 to 40.
.THANKSGIVING DAY...Rain. Southwest winds 30 to 40 mph with gusts to
60 mph. Highs 37 to 44.
.THURSDAY NIGHT...Rain and snow in the evening, then chance of snow
after midnight. Snow accumulation up to 1 inch. Southwest winds
30 to 40 mph decreasing to 15 to 25 mph after midnight. Lows 19 to
26.
.FRIDAY...Mostly cloudy with slight chance of snow in the morning,
then partly cloudy in the afternoon. Southwest winds 10 to 15 mph.
Highs 30 to 37.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of snow after midnight.
Southwest winds 10 to 15 mph. Lows 23 to 30.
.SATURDAY...Rain likely in the morning, then rain in the afternoon.
South winds 10 to 15 mph. Highs 34 to 41.

$$

ORZ509-231400-
Newberry Crater-
256 PM PST Wed Nov 22 2017

.TONIGHT...Mostly cloudy with chance of rain. Southwest winds 20 to
30 mph. Lows 35 to 42.
.THANKSGIVING DAY...Slight chance of rain in the morning, then rain
in the afternoon. Southwest winds 20 to 35 mph with gusts to 45 mph.
Highs 41 to 48.
.THURSDAY NIGHT...Rain likely in the evening, then slight chance of
snow after midnight. Little or no snow accumulation. Southwest winds
20 to 30 mph decreasing to 15 to 20 mph after midnight. Lows 23 to
30.
.FRIDAY...Partly cloudy. Slight chance of snow in the morning.
Southwest winds 10 to 15 mph. Highs 33 to 40.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of rain and snow after
midnight. Southwest winds 10 to 20 mph. Lows 25 to 32.
.SATURDAY...Rain likely. South winds 10 to 15 mph. Highs 39 to 46.

$$


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