Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 302156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PDT Sun Apr 30 2017

ORZ050-011300-
Wallowa Mountains 8000 to 9000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Mostly cloudy in the evening then becoming partly cloudy.
Northwest winds 10 to 15 mph. Lows 17 to 24.
.MONDAY...Mostly cloudy. Slight chance of snow showers in the
afternoon. Northwest winds up to 10 mph in the morning becoming
light. Highs 31 to 38.
.MONDAY NIGHT...Mostly cloudy with chance of snow showers. Little or
no snow accumulation. West winds around 10 mph. Lows 22 to 29.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 35 to 42.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 27 to 34.
.WEDNESDAY...Mostly cloudy. Light winds. Highs 48 to 55.

$$

ORZ050-011300-
Salt Creek Area 5000 to 7000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Partly cloudy. Northwest winds 10 to 15 mph. Lows 21 to
28.
.MONDAY...Mostly cloudy. Slight chance of showers and snow showers
in the afternoon. Light winds. Highs 36 to 43.
.MONDAY NIGHT...Cloudy with chance of showers and snow showers.
Little or no snow accumulation. Light winds. Lows 25 to 32.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 42 to 49.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 31 to 38.
.WEDNESDAY...Mostly cloudy. Light winds. Highs 54 to 61.

$$

ORZ050-062-011300-
Clear Creek Area 6000 to 8000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Partly cloudy. Northwest winds around 10 mph. Lows 20 to
27.
.MONDAY...Mostly cloudy. Slight chance of snow showers in the
afternoon. Light winds. Highs 34 to 41.
.MONDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then chance of snow showers and showers after midnight.
Little or no snow accumulation. Light winds. Lows 23 to 30.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 39 to 46.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 31 to 38.
.WEDNESDAY...Mostly cloudy. Light winds. Highs 51 to 58.

$$

ORZ050-062-011300-
Catherine Creek Area 6000 to 8000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Mostly cloudy in the evening then becoming partly cloudy.
Northwest winds 10 to 15 mph. Lows 20 to 27.
.MONDAY...Mostly cloudy. Chance of snow showers in the afternoon.
Light winds. Highs 34 to 41.
.MONDAY NIGHT...Cloudy with chance of snow showers. Light winds.
Lows 25 to 32.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 39 to 46.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 31 to 38.
.WEDNESDAY...Mostly cloudy. Light winds. Highs 52 to 59.

$$

ORZ050-062-011300-
Norway Area 7000 to 10000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Mostly cloudy in the evening then becoming partly cloudy.
Northwest winds 10 to 15 mph. Lows 19 to 26.
.MONDAY...Mostly cloudy. Slight chance of snow showers in the
afternoon. Light winds. Highs 32 to 39.
.MONDAY NIGHT...Mostly cloudy with chance of snow showers. Little or
no snow accumulation. West winds around 10 mph in the evening
becoming light. Lows 23 to 30.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 37 to 44.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 30 to 37.
.WEDNESDAY...Mostly cloudy. Light winds becoming south around 10 mph
in the afternoon. Highs 49 to 56.

$$

ORZ062-503-011300-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Mostly cloudy in the evening then becoming partly cloudy.
Northwest winds 15 to 25 mph with gusts to 35 mph decreasing to
10 to 15 mph after midnight. Lows 19 to 26.
.MONDAY...Mostly cloudy. Slight chance of snow showers in the
afternoon. Northwest winds up to 10 mph in the morning becoming
light. Highs 36 to 43.
.MONDAY NIGHT...Mostly cloudy with chance of snow showers. West
winds around 10 mph. Lows 23 to 30.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 42 to 49.
.TUESDAY NIGHT...Mostly cloudy. Light winds becoming west around
10 mph after midnight. Lows 31 to 38.
.WEDNESDAY...Mostly cloudy. Light winds. Highs 56 to 63.

$$

ORZ502-011300-
Blue Mountains 4000 to 6000 feet-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Partly cloudy in the evening then clearing. West winds
10 to 20 mph decreasing to up to 10 mph after midnight. Lows 23 to
30.
.MONDAY...Mostly cloudy. Chance of snow showers and showers in the
afternoon. Light winds. Highs 39 to 46.
.MONDAY NIGHT...Mostly cloudy with chance of showers and snow
showers. Light winds. Lows 27 to 34.
.TUESDAY...Partly cloudy in the morning then becoming mostly cloudy.
Light winds. Highs 45 to 52.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 34 to 41.
.WEDNESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Light winds. Highs 59 to 66.

$$

ORZ509-011300-
Broken Top-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Partly cloudy in the evening then becoming clear. West
winds 10 to 20 mph with gusts to 30 mph. Lows 21 to 28.
.MONDAY...Mostly cloudy. Slight chance of showers and snow showers
in the afternoon. West winds 10 to 15 mph. Highs 36 to 43.
.MONDAY NIGHT...Mostly cloudy with slight chance of showers and snow
showers. West winds 10 to 20 mph with gusts to 30 mph. Lows 26 to
33.
.TUESDAY...Mostly cloudy. West winds around 10 mph. Highs 45 to 52.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening. Light winds. Lows 32 to 39.
.WEDNESDAY...Partly cloudy. Light winds becoming southeast around
10 mph in the afternoon. Highs 58 to 65.

$$

ORZ509-011300-
Tam McArthur Rim-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Clear. West winds 10 to 20 mph. Lows 22 to 29.
.MONDAY...Mostly cloudy. Slight chance of showers and snow showers
in the afternoon. West winds 10 to 15 mph. Highs 36 to 43.
.MONDAY NIGHT...Mostly cloudy with slight chance of showers and snow
showers. West winds 10 to 15 mph with gusts to 25 mph. Lows 26 to
33.
.TUESDAY...Mostly cloudy. Light winds. Highs 45 to 52.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening. Light winds. Lows 33 to 40.
.WEDNESDAY...Partly cloudy. Light winds becoming southeast around
10 mph in the afternoon. Highs 58 to 65.

$$

ORZ509-011300-
Newberry Crater-
256 PM PDT Sun Apr 30 2017

.TONIGHT...Clear. West winds 10 to 20 mph with gusts to 30 mph. Lows
22 to 29.
.MONDAY...Mostly cloudy. West winds 10 to 15 mph. Gusts up to 25 mph
in the afternoon. Highs 43 to 50.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. West winds 10 to 15 mph with gusts to 25 mph. Lows 27 to 34.
.TUESDAY...Mostly cloudy. Light winds becoming west around 10 mph in
the afternoon. Highs 49 to 56.
.TUESDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph in the
evening becoming light. Lows 35 to 42.
.WEDNESDAY...Partly cloudy. Light winds becoming southeast around
10 mph in the afternoon. Highs 61 to 68.

$$


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