Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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327
FWUS46 KPDT 231056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Tue May 23 2017

ORZ050-240100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Southwest winds around 10 mph. Highs 57 to 64.
.TONIGHT...Partly cloudy. Southwest winds 10 to 20 mph with gusts to
30 mph. Lows 29 to 36.
.WEDNESDAY...Partly cloudy. Northwest winds 15 to 25 mph with gusts
to 35 mph decreasing to 10 to 15 mph with gusts to 25 mph in the
afternoon. Highs 36 to 43.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with slight chance of snow showers after midnight. Northwest winds
10 to 15 mph. Lows 21 to 28.
.THURSDAY...Cloudy. Chance of snow showers in the morning, then
chance of snow showers and slight chance of thunderstorms in the
afternoon. Snow accumulation of 1 to 2 inches. South winds around
10 mph shifting to the north in the afternoon. Highs 33 to 40.
.THURSDAY NIGHT...Mostly cloudy. Chance of snow showers and slight
chance of thunderstorms in the evening, then chance of snow showers
and showers after midnight. Snow accumulation up to 1 inch. North
winds around 10 mph. Lows 25 to 32.

$$

ORZ050-240100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Southwest winds around 10 mph. Highs 65 to 72.
.TONIGHT...Partly cloudy. Southwest winds around 10 mph. Lows 36 to
43.
.WEDNESDAY...Partly cloudy. Northwest winds 10 to 15 mph. Gusts up
to 25 mph in the morning. Highs 47 to 54.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with slight chance of showers and snow showers after midnight.
Northwest winds around 10 mph. Lows 29 to 36.
.THURSDAY...Cloudy. Chance of showers and snow showers in the
morning, then chance of showers and slight chance of thunderstorms
in the afternoon. No snow accumulation. North winds around 10 mph.
Highs 44 to 51.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and slight chance
of thunderstorms in the evening, then chance of showers after
midnight. North winds around 10 mph. Lows 32 to 39.

$$

ORZ050-062-240100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Southwest winds around 10 mph. Highs 62 to 69.
.TONIGHT...Clear in the evening then becoming partly cloudy.
Southwest winds 10 to 15 mph. Lows 33 to 40.
.WEDNESDAY...Partly cloudy. Northwest winds 10 to 15 mph. Gusts up
to 25 mph in the morning. Highs 44 to 51.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with slight chance of snow showers and showers after midnight.
Northwest winds around 10 mph. Lows 26 to 33.
.THURSDAY...Cloudy. Chance of snow showers and showers in the
morning, then chance of showers, snow showers and slight chance of
thunderstorms in the afternoon. Snow accumulation up to 1 inch.
North winds around 10 mph. Highs 40 to 47.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and slight chance
of thunderstorms in the evening, then chance of showers and snow
showers after midnight. North winds around 10 mph. Lows 28 to 35.

$$

ORZ050-062-240100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. South winds around 10 mph. Highs 63 to 70.
.TONIGHT...Clear in the evening then becoming partly cloudy.
Southwest winds around 10 mph shifting to the west after midnight.
Lows 32 to 39.
.WEDNESDAY...Partly cloudy. Northwest winds 10 to 15 mph with gusts
to 25 mph. Highs 41 to 48.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with slight chance of snow showers after midnight. Northwest winds
10 to 15 mph. Lows 25 to 32.
.THURSDAY...Cloudy. Chance of snow showers and showers in the
morning, then chance of showers, snow showers and slight chance of
thunderstorms in the afternoon. North winds around 10 mph. Highs
40 to 47.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms in the evening, then chance of
showers and snow showers after midnight. North winds around 10 mph.
Lows 30 to 37.

$$

ORZ050-062-240100-
Norway Area 7000 to 10000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Southwest winds around 10 mph. Highs 58 to 65.
.TONIGHT...Clear in the evening then becoming partly cloudy.
Southwest winds 10 to 15 mph. Gusts up to 25 mph after midnight.
Lows 30 to 37.
.WEDNESDAY...Partly cloudy. Northwest winds 10 to 20 mph with gusts
to 30 mph. Highs 39 to 46.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with slight chance of snow showers after midnight. Northwest winds
10 to 15 mph. Lows 23 to 30.
.THURSDAY...Cloudy. Chance of snow showers in the morning, then
chance of snow showers, showers and slight chance of thunderstorms
in the afternoon. Snow accumulation up to 1 inch. South winds around
10 mph shifting to the west in the afternoon. Highs 36 to 43.
.THURSDAY NIGHT...Mostly cloudy. Chance of snow showers, showers and
slight chance of thunderstorms in the evening, then chance of snow
showers and showers after midnight. North winds 10 to 15 mph. Lows
26 to 33.

$$

ORZ062-503-240100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Southwest winds around 10 mph. Highs 63 to 70.
.TONIGHT...Clear in the evening then becoming partly cloudy. West
winds 10 to 20 mph. Gusts up to 30 mph after midnight. Lows 29 to
36.
.WEDNESDAY...Partly cloudy. Northwest winds 15 to 25 mph with gusts
to 35 mph. Highs 39 to 46.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the
evening. Lows 23 to 30.
.THURSDAY...Mostly cloudy with chance of snow showers in the
morning, then cloudy with chance of snow showers, showers and slight
chance of thunderstorms in the afternoon. North winds 10 to 15 mph.
Highs 37 to 44.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms in the evening, then chance of
showers and snow showers after midnight. North winds 10 to 15 mph.
Lows 25 to 32.

$$

ORZ502-240100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Southwest winds around 10 mph. Highs 70 to 77.
.TONIGHT...Clear in the evening then becoming partly cloudy. West
winds 10 to 15 mph with gusts to 35 mph. Lows 34 to 41.
.WEDNESDAY...Partly cloudy. West winds 10 to 20 mph with gusts to
30 mph. Highs 47 to 54.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with slight chance of showers after midnight. West winds 10 to
15 mph. Lows 30 to 37.
.THURSDAY...Mostly cloudy. Chance of showers in the morning, then
chance of showers and slight chance of thunderstorms in the
afternoon. Northwest winds around 10 mph. Highs 47 to 54.
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and slight chance
of thunderstorms in the evening, then chance of showers after
midnight. North winds around 10 mph in the evening becoming light.
Lows 32 to 39.

$$

ORZ509-240100-
Broken Top-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Light winds becoming west 10 to 15 mph in the
afternoon. Highs 64 to 71.
.TONIGHT...Partly cloudy in the evening then becoming clear. West
winds 15 to 20 mph with gusts to 30 mph. Lows 33 to 40.
.WEDNESDAY...Sunny. Northwest winds 10 to 15 mph with gusts to
25 mph. Highs 46 to 53.
.WEDNESDAY NIGHT...Clear. Northwest winds 10 to 15 mph in the
evening becoming light. Lows 23 to 30.
.THURSDAY...Partly cloudy. Light winds becoming northeast around
10 mph in the afternoon. Highs 47 to 54.
.THURSDAY NIGHT...Partly cloudy with slight chance of showers in the
evening, then mostly cloudy after midnight. Northeast winds 10 to
15 mph. Lows 29 to 36.

$$

ORZ509-240100-
Tam McArthur Rim-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Light winds becoming west 10 to 15 mph in the
afternoon. Highs 65 to 72.
.TONIGHT...Clear. West winds 10 to 20 mph with gusts to 30 mph. Lows
34 to 41.
.WEDNESDAY...Sunny. Northwest winds 10 to 15 mph. Gusts up to 25 mph
in the afternoon. Highs 46 to 53.
.WEDNESDAY NIGHT...Clear. Northwest winds 10 to 15 mph in the
evening becoming light. Lows 24 to 31.
.THURSDAY...Partly cloudy. Light winds becoming northeast around
10 mph in the afternoon. Highs 47 to 54.
.THURSDAY NIGHT...Partly cloudy. Northeast winds 10 to 15 mph. Lows
29 to 36.

$$

ORZ509-240100-
Newberry Crater-
356 AM PDT Tue May 23 2017

.TODAY...Sunny. Light winds becoming west 10 to 15 mph in the
afternoon. Highs 68 to 75.
.TONIGHT...Clear. West winds 10 to 15 mph with gusts to 25 mph. Lows
34 to 41.
.WEDNESDAY...Sunny. Northwest winds 10 to 15 mph with gusts to
25 mph. Highs 50 to 57.
.WEDNESDAY NIGHT...Clear. Northwest winds 10 to 15 mph. Gusts up to
25 mph in the evening. Lows 24 to 31.
.THURSDAY...Partly cloudy. Light winds becoming northeast around
10 mph in the afternoon. Highs 49 to 56.
.THURSDAY NIGHT...Partly cloudy. North winds 10 to 15 mph. Lows
31 to 38.

$$


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