Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 211056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Thu Sep 21 2017

ORZ050-220100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Scattered snow showers in the morning, then widespread snow
showers in the afternoon. Snow accumulation of 1 to 2 inches.
Northwest winds around 10 mph shifting to the southeast in the
afternoon. Highs 23 to 30.
.TONIGHT...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. Northeast winds 10 to 15 mph. Lows 16 to 23.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Snow accumulation up to 1 inch. North winds 10 to
15 mph shifting to the west in the afternoon. Highs 25 to 32.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. North winds 10 to 15 mph. Lows 17 to 24.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds becoming north around 10 mph in the afternoon.
Highs 31 to 38.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 20 to 27.

$$

ORZ050-220100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Scattered snow showers in the morning, then numerous snow
showers and showers in the afternoon. Snow accumulation up to
1 inch. Light winds becoming southeast around 10 mph in the
afternoon. Highs 34 to 41.
.TONIGHT...Cloudy with chance of snow showers and showers. Southeast
winds 10 to 15 mph shifting to the north after midnight. Lows 24 to
31.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers and showers. Northwest winds 10 to 15 mph. Highs
35 to 42.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of showers and snow
showers in the evening. East winds around 10 mph in the evening
becoming light. Lows 23 to 30.
.SATURDAY...Mostly cloudy in the morning then clearing. Light winds
becoming northeast around 10 mph in the afternoon. Highs 40 to 47.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 25 to 32.

$$

ORZ050-062-220100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Numerous snow showers. Snow accumulation up to 1 inch.
Light winds becoming southeast around 10 mph in the afternoon. Highs
30 to 37.
.TONIGHT...Cloudy. Chance of snow showers in the evening, then
chance of snow showers and showers after midnight. Southeast winds
10 to 15 mph. Gusts up to 25 mph after midnight. Lows 21 to 28.
.FRIDAY...Cloudy with chance of snow showers in the morning, then
mostly cloudy with chance of snow showers and showers in the
afternoon. North winds 10 to 15 mph with gusts to 25 mph shifting to
the west in the afternoon. Highs 33 to 40.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and showers in
the evening. Southeast winds 10 to 15 mph shifting to the west after
midnight. Lows 20 to 27.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Southwest winds around 10 mph shifting to the southeast in
the afternoon. Highs 41 to 47.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 23 to 30.

$$

ORZ050-062-220100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Scattered snow showers in the morning, then numerous snow
showers in the afternoon. Snow accumulation around 1 inch. Light
winds becoming north around 10 mph in the afternoon. Highs 29 to 36.
.TONIGHT...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. Southeast winds 10 to 15 mph. Lows 22 to 29.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Snow accumulation up to 1 inch. Southeast winds
10 to 15 mph shifting to the north in the afternoon. Highs 31 to 38.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and slight
chance of showers in the evening. Northeast winds around 10 mph
shifting to the southeast after midnight. Lows 23 to 30.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds becoming southeast around 10 mph in the
afternoon. Highs 37 to 44.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 25 to 32.

$$

ORZ050-062-220100-
Norway Area 7000 to 10000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Numerous snow showers. Snow accumulation around 1 inch.
Light winds becoming southeast around 10 mph in the afternoon. Highs
26 to 33.
.TONIGHT...Cloudy with chance of snow showers. Southeast winds 10 to
15 mph shifting to the north after midnight. Gusts up to 25 mph.
Lows 19 to 26.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds 15 to 20 mph shifting to the
southwest 10 to 15 mph in the afternoon. Highs 29 to 36.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. Northeast winds 10 to 15 mph shifting to the north after
midnight. Lows 19 to 26.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. West winds around 10 mph shifting to the southeast in the
afternoon. Highs 33 to 40.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 23 to 30.

$$

ORZ062-503-220100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Cloudy with scattered snow showers. Northwest winds around
10 mph. Highs 27 to 34.
.TONIGHT...Cloudy. Slight chance of snow showers in the evening,
then chance of snow showers after midnight. North winds 10 to
15 mph. Lows 18 to 25.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. North winds 10 to 15 mph. Highs 29 to 36.
.FRIDAY NIGHT...Mostly cloudy with chance of snow showers in the
evening, then partly cloudy after midnight. North winds 10 to
15 mph. Lows 20 to 27.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Southwest winds around 10 mph shifting to the north in the
afternoon. Highs 35 to 42.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 23 to 30.

$$

ORZ502-220100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Thu Sep 21 2017

.TODAY...Cloudy with scattered showers and snow showers. Snow
accumulation up to 1 inch. West winds around 10 mph. Highs 37 to 44.
.TONIGHT...Cloudy. Chance of showers and snow showers in the
evening, then slight chance of showers and snow showers after
midnight. Northwest winds around 10 mph. Lows 26 to 33.
.FRIDAY...Cloudy with slight chance of showers and snow showers in
the morning, then mostly cloudy with slight chance of showers in the
afternoon. Northwest winds up to 10 mph. Highs 39 to 46.
.FRIDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph in the
evening becoming light. Lows 29 to 36.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds. Highs 45 to 52.
.SATURDAY NIGHT...Partly cloudy. Light winds. Lows 29 to 36.

$$

ORZ509-220100-
Broken Top-
356 AM PDT Thu Sep 21 2017

.TODAY...Mostly cloudy in the morning then becoming cloudy.
Scattered snow showers. Snow accumulation up to 1 inch. West winds
around 10 mph in the morning becoming light. Highs 30 to 37.
.TONIGHT...Cloudy. Chance of snow showers in the evening, then
slight chance of snow showers after midnight. Northwest winds around
10 mph in the evening becoming light. Lows 19 to 26.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Slight
chance of snow showers. Light winds becoming northeast around 10 mph
in the afternoon. Highs 35 to 42.
.FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Light
winds. Lows 23 to 30.
.SATURDAY...Sunny. Light winds. Highs 44 to 51.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming clear.
Light winds. Lows 22 to 29.

$$

ORZ509-220100-
Tam McArthur Rim-
356 AM PDT Thu Sep 21 2017

.TODAY...Mostly cloudy in the morning then becoming cloudy.
Scattered snow showers. West winds around 10 mph in the morning
becoming light. Highs 31 to 38.
.TONIGHT...Cloudy. Chance of snow showers in the evening, then
slight chance of snow showers after midnight. Northwest winds around
10 mph in the evening becoming light. Lows 20 to 27.
.FRIDAY...Cloudy in the morning then becoming mostly cloudy. Slight
chance of snow showers. Light winds becoming northeast around 10 mph
in the afternoon. Highs 35 to 42.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Light
winds. Lows 23 to 30.
.SATURDAY...Sunny. Light winds. Highs 44 to 51.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming clear.
Light winds. Lows 22 to 29.

$$

ORZ509-220100-
Newberry Crater-
356 AM PDT Thu Sep 21 2017

.TODAY...Mostly cloudy. Scattered snow showers in the afternoon.
Northwest winds around 10 mph. Highs 33 to 40.
.TONIGHT...Cloudy. Chance of snow showers in the evening, then
slight chance of snow showers and showers after midnight. North
winds around 10 mph shifting to the southeast after midnight. Lows
22 to 29.
.FRIDAY...Cloudy with slight chance of snow showers in the morning,
then mostly cloudy with slight chance of snow showers and showers in
the afternoon. Light winds becoming north around 10 mph in the
afternoon. Highs 37 to 44.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. North
winds around 10 mph in the evening becoming light. Lows 25 to 32.
.SATURDAY...Sunny. Light winds. Highs 45 to 52.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming clear.
North winds around 10 mph in the evening becoming light. Lows 27 to
34.

$$


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