Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 221156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PST Wed Nov 22 2017

ORZ050-230200-
Wallowa Mountains 8000 to 9000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Highs 38 to 45.
.TONIGHT...Mostly cloudy with chance of rain. Southwest winds 15 to
25 mph with gusts to 35 mph. Lows 32 to 39.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. Southwest winds 15 to 25 mph with gusts to 40 mph.
Highs 34 to 41.
.THURSDAY NIGHT...Rain and snow in the evening, then chance of snow
after midnight. Snow accumulation up to 2 inches. West winds 15 to
25 mph with gusts to 35 mph decreasing to 10 to 15 mph after
midnight. Lows 16 to 23.
.FRIDAY...Partly cloudy. Light winds. Highs 23 to 30.
.FRIDAY NIGHT...Partly cloudy. Southwest winds 10 to 15 mph. Gusts
up to 25 mph after midnight. Lows 19 to 26.

$$

ORZ050-230200-
Salt Creek Area 5000 to 7000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
Light winds becoming south around 10 mph in the afternoon. Highs
40 to 47.
.TONIGHT...Cloudy. Slight chance of rain in the evening, then chance
of rain after midnight. South winds around 10 mph. Lows 35 to 42.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. South winds 10 to 15 mph. Gusts up to 25 mph in
the afternoon. Highs 39 to 46.
.THURSDAY NIGHT...Rain in the evening, then chance of rain and snow
after midnight. Little or no snow accumulation. Southwest winds
around 10 mph in the evening becoming light. Lows 23 to 30.
.FRIDAY...Partly cloudy. Light winds. Highs 30 to 37.
.FRIDAY NIGHT...Partly cloudy. South winds around 10 mph. Lows 23 to
30.

$$

ORZ050-062-230200-
Clear Creek Area 6000 to 8000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
South winds around 10 mph. Highs 38 to 45.
.TONIGHT...Cloudy. Slight chance of rain in the evening, then chance
of rain after midnight. South winds 10 to 15 mph. Gusts up to 25 mph
after midnight. Lows 33 to 40.
.THANKSGIVING DAY...Cloudy with chance of rain in the morning, then
rain likely in the afternoon. South winds 10 to 20 mph. Highs 37 to
44.
.THURSDAY NIGHT...Rain in the evening, then chance of snow after
midnight. Little or no snow accumulation. Southwest winds 10 to
20 mph. Gusts up to 30 mph in the evening. Lows 20 to 27.
.FRIDAY...Partly cloudy. Light winds. Highs 29 to 36.
.FRIDAY NIGHT...Partly cloudy. South winds around 10 mph. Lows 22 to
29.

$$

ORZ050-062-230200-
Catherine Creek Area 6000 to 8000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
South winds around 10 mph. Highs 40 to 47.
.TONIGHT...Cloudy with chance of rain. South winds 10 to 15 mph with
gusts to 25 mph. Lows 36 to 43.
.THANKSGIVING DAY...Cloudy with chance of rain in the morning, then
rain likely in the afternoon. South winds 10 to 20 mph. Highs 38 to
45.
.THURSDAY NIGHT...Rain in the evening, then slight chance of snow
after midnight. No snow accumulation. West winds 10 to 15 mph. Gusts
up to 25 mph in the evening. Lows 21 to 28.
.FRIDAY...Partly cloudy. Light winds. Highs 32 to 38.
.FRIDAY NIGHT...Partly cloudy. South winds around 10 mph. Lows 24 to
31.

$$

ORZ050-062-230200-
Norway Area 7000 to 10000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
South winds 10 to 15 mph. Highs 37 to 44.
.TONIGHT...Cloudy with chance of rain. South winds 10 to 15 mph with
gusts to 25 mph. Lows 33 to 40.
.THANKSGIVING DAY...Cloudy with chance of rain in the morning, then
rain likely and snow in the afternoon. Snow accumulation up to
2 inches. South winds 10 to 20 mph with gusts to 30 mph. Highs 36 to
43.
.THURSDAY NIGHT...Rain and snow in the evening, then chance of snow
after midnight. Snow accumulation up to 2 inches. Southwest winds
15 to 25 mph with gusts to 35 mph shifting to the west 10 to 15 mph
after midnight. Lows 20 to 27.
.FRIDAY...Partly cloudy. Light winds. Highs 27 to 34.
.FRIDAY NIGHT...Partly cloudy. Southwest winds around 10 mph. Lows
22 to 29.

$$

ORZ062-503-230200-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
Southwest winds 10 to 15 mph with gusts to 25 mph. Highs 39 to 46.
.TONIGHT...Cloudy. Slight chance of rain in the evening, then chance
of rain after midnight. Southwest winds 15 to 20 mph with gusts to
30 mph. Lows 32 to 39.
.THANKSGIVING DAY...Slight chance of rain in the morning, then rain
likely in the afternoon. Southwest winds 15 to 25 mph with gusts to
40 mph. Highs 35 to 42.
.THURSDAY NIGHT...Rain and snow in the evening. Snow accumulation up
to 2 inches. West winds 15 to 25 mph with gusts to 35 mph. Lows
18 to 25.
.FRIDAY...Partly cloudy in the morning then clearing. West winds
around 10 mph in the morning becoming light. Highs 26 to 33.
.FRIDAY NIGHT...Partly cloudy. South winds 10 to 15 mph. Lows 22 to
29.

$$

ORZ502-230200-
Blue Mountains 4000 to 6000 feet-
356 AM PST Wed Nov 22 2017

.TODAY...Rain in the morning, then chance of rain in the afternoon.
South winds up to 10 mph. Highs 44 to 51.
.TONIGHT...Cloudy with chance of rain. South winds up to 10 mph with
gusts to 25 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 35 mph. Highs 45 to 52.
.THURSDAY NIGHT...Rain likely in the evening, then slight chance of
rain and snow after midnight. Little or no snow accumulation.
Southwest winds 10 to 15 mph with gusts to 35 mph shifting to the
west after midnight. Lows 25 to 32.
.FRIDAY...Mostly cloudy in the morning then clearing. Southwest
winds up to 10 mph. Highs 33 to 40.
.FRIDAY NIGHT...Partly cloudy. Light winds becoming south 10 to
15 mph after midnight. Lows 25 to 32.

$$

ORZ509-230200-
Broken Top-
356 AM PST Wed Nov 22 2017

.TODAY...Mostly cloudy with chance of rain. Southwest winds 15 to
25 mph with gusts to 35 mph. Highs 42 to 49.
.TONIGHT...Rain likely. Southwest winds 20 to 30 mph. Gusts up to
40 mph increasing to 60 mph after midnight. Lows 34 to 41.
.THANKSGIVING DAY...Rain likely in the morning, then rain in the
afternoon. Southwest winds 30 to 45 mph with gusts to 65 mph. Highs
37 to 44.
.THURSDAY NIGHT...Snow in the evening, then chance of snow after
midnight. Snow accumulation up to 2 inches. West winds 30 to 40 mph
with gusts to 60 mph becoming southwest 15 to 25 mph after midnight.
Lows 18 to 25.
.FRIDAY...Mostly cloudy. Slight chance of snow in the morning.
Southwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.
Highs 29 to 36.
.FRIDAY NIGHT...Mostly cloudy with slight chance of snow. Southwest
winds 10 to 15 mph. Lows 23 to 30.

$$

ORZ509-230200-
Tam McArthur Rim-
356 AM PST Wed Nov 22 2017

.TODAY...Mostly cloudy with chance of rain. Southwest winds 15 to
25 mph with gusts to 35 mph. Highs 42 to 49.
.TONIGHT...Rain likely. Southwest winds 20 to 30 mph. Gusts up to
40 mph increasing to 60 mph after midnight. Lows 34 to 41.
.THANKSGIVING DAY...Rain likely in the morning, then rain in the
afternoon. Southwest winds 30 to 45 mph with gusts to 65 mph. Highs
37 to 44.
.THURSDAY NIGHT...Snow in the evening, then chance of snow after
midnight. Snow accumulation up to 2 inches. West winds 30 to 40 mph
with gusts to 60 mph becoming southwest 15 to 25 mph after midnight.
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.
Gusts up to 25 mph in the morning. Highs 30 to 37.
.FRIDAY NIGHT...Mostly cloudy with slight chance of snow. Southwest
winds 10 to 15 mph. Lows 24 to 31.

$$

ORZ509-230200-
Newberry Crater-
356 AM PST Wed Nov 22 2017

.TODAY...Cloudy in the morning then becoming mostly cloudy. Chance
of rain. South winds 15 to 25 mph with gusts to 35 mph. Highs 45 to
52.
.TONIGHT...Mostly cloudy with chance of rain. Southwest winds 20 to
30 mph. Gusts up to 35 mph increasing to 45 mph after midnight. Lows
35 to 42.
.THANKSGIVING DAY...Chance of rain in the morning, then rain likely
in the afternoon. Southwest winds 25 to 35 mph with gusts to 55 mph.
Highs 41 to 48.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain and snow in the
evening, then slight chance of snow after midnight. Snow
accumulation up to 1 inch. Southwest winds 20 to 30 mph with gusts
to 50 mph shifting to the west 15 to 20 mph with gusts to 30 mph
after midnight. Lows 21 to 28.
.FRIDAY...Partly cloudy. Southwest winds 10 to 15 mph. Highs 33 to
40.
.FRIDAY NIGHT...Partly cloudy. Slight chance of rain and snow after
midnight. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Lows 26 to 33.

$$


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