Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 251056
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PDT Tue Apr 25 2017

ORZ050-260100-
Wallowa Mountains 8000 to 9000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Mostly cloudy in the morning then becoming cloudy.
Scattered snow showers. Northwest winds around 10 mph in the morning
becoming light. Highs 30 to 37.
.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation up to 1 inch. Light winds becoming south
around 10 mph after midnight. Lows 23 to 30.
.WEDNESDAY...Snow in the morning, then snow showers and slight
chance of thunderstorms in the afternoon. Snow accumulation of 1 to
2 inches. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the
afternoon. Highs 29 to 36.
.WEDNESDAY NIGHT...Snow showers in the evening, then snow showers
likely after midnight. Snow accumulation up to 1 inch. Northwest
winds 15 to 25 mph. Lows 15 to 22.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.
Highs 23 to 30.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Snow
accumulation up to 1 inch. Northwest winds 10 to 15 mph. Lows 15 to
22.

$$

ORZ050-260100-
Salt Creek Area 5000 to 7000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Mostly cloudy. Scattered snow showers in the morning, then
scattered snow showers and showers in the afternoon. Northwest winds
around 10 mph in the morning becoming light. Highs 36 to 43.
.TONIGHT...Chance of rain in the evening, then rain and snow likely
after midnight. Snow accumulation up to 1 inch. Light winds. Lows
27 to 34.
.WEDNESDAY...Snow and rain in the morning, then showers, snow
showers and slight chance of thunderstorms in the afternoon. Snow
accumulation up to 2 inches. South winds around 10 mph. Highs 34 to
41.
.WEDNESDAY NIGHT...Showers and snow showers likely in the evening,
then chance of snow showers after midnight. Snow accumulation up to
1 inch. Northwest winds 10 to 15 mph. Lows 20 to 27.
.THURSDAY...Chance of snow showers in the morning, then snow showers
likely in the afternoon. Snow accumulation up to 1 inch. Light winds
becoming northwest around 10 mph in the afternoon. Highs 29 to 36.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Little or no
snow accumulation. Northwest winds around 10 mph in the evening
becoming light. Lows 19 to 26.

$$

ORZ050-062-260100-
Clear Creek Area 6000 to 8000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Mostly cloudy with scattered snow showers. Northwest winds
around 10 mph in the morning becoming light. Highs 33 to 40.
.TONIGHT...Chance of snow and rain in the evening, then snow likely
after midnight. Snow accumulation up to 1 inch. Light winds becoming
southwest around 10 mph after midnight. Lows 24 to 31.
.WEDNESDAY...Snow in the morning, then snow showers and slight
chance of thunderstorms in the afternoon. Snow accumulation of 1 to
2 inches. Southwest winds 10 to 15 mph. Highs 29 to 36.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Snow accumulation up to 1 inch. West
winds 15 to 25 mph shifting to the northwest 10 to 15 mph after
midnight. Lows 16 to 23.
.THURSDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. Northwest winds 10 to 15 mph. Highs 23 to 30.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Little or no
snow accumulation. Northwest winds around 10 mph. Lows 14 to 21.

$$

ORZ050-062-260100-
Catherine Creek Area 6000 to 8000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Mostly cloudy. Scattered snow showers in the morning, then
isolated snow showers in the afternoon. Little or no snow
accumulation. Northwest winds around 10 mph in the morning becoming
light. Highs 34 to 41.
.TONIGHT...Chance of snow in the evening, then snow after midnight.
Snow accumulation up to 1 inch. Light winds. Lows 26 to 33.
.WEDNESDAY...Snow in the morning, then snow showers and slight
chance of thunderstorms in the afternoon. Snow accumulation around
2 inches. Light winds becoming southwest 10 to 15 mph in the
afternoon. Highs 31 to 38.
.WEDNESDAY NIGHT...Snow showers likely. Snow accumulation up to
1 inch. Northwest winds 15 to 25 mph with gusts to 35 mph. Lows
19 to 26.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
Northwest winds 10 to 15 mph with gusts to 25 mph. Highs 27 to 34.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Snow
accumulation up to 1 inch. Northwest winds 10 to 15 mph. Lows 18 to
25.

$$

ORZ050-062-260100-
Norway Area 7000 to 10000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Mostly cloudy with scattered snow showers. Northwest winds
around 10 mph in the morning becoming light. Highs 31 to 38.
.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation up to 1 inch. Light winds becoming
southwest around 10 mph after midnight. Lows 23 to 30.
.WEDNESDAY...Snow in the morning, then snow showers and slight
chance of thunderstorms in the afternoon. Snow accumulation around
2 inches. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the
afternoon. Highs 28 to 35.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Snow accumulation up to 1 inch.
Northwest winds 15 to 25 mph with gusts to 35 mph. Lows 16 to 23.
.THURSDAY...Chance of snow showers in the morning, then snow showers
likely in the afternoon. Snow accumulation up to 1 inch. Northwest
winds 10 to 15 mph. Gusts up to 25 mph in the morning. Highs 23 to
30.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Snow
accumulation up to 1 inch. Northwest winds 10 to 15 mph. Lows 14 to
21.

$$

ORZ062-503-260100-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Mostly cloudy with scattered snow showers. Northwest winds
around 10 mph with gusts to 25 mph in the morning becoming light.
Highs 29 to 36.
.TONIGHT...Snow likely in the evening, then snow after midnight.
Snow accumulation up to 1 inch. Light winds becoming west 10 to
15 mph with gusts to 25 mph after midnight. Lows 22 to 29.
.WEDNESDAY...Snow in the morning, then snow showers and slight
chance of thunderstorms in the afternoon. Snow accumulation around
2 inches. Southwest winds 10 to 15 mph shifting to the west 15 to
25 mph with gusts to 35 mph in the afternoon. Highs 27 to 34.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Little or no snow accumulation. West
winds 20 to 35 mph with gusts to 45 mph. Lows 13 to 20.
.THURSDAY...Snow showers likely. Snow accumulation up to 1 inch.
West winds 15 to 25 mph. Gusts up to 40 mph in the morning. Highs
23 to 29.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Little or no
snow accumulation. Northwest winds 15 to 25 mph. Lows 13 to 20.

$$

ORZ502-260100-
Blue Mountains 4000 to 6000 feet-
356 AM PDT Tue Apr 25 2017

.TODAY...Cloudy with scattered snow showers and showers in the
morning, then mostly cloudy with isolated showers and snow showers
in the afternoon. Little or no snow accumulation. Light winds
becoming southwest up to 10 mph in the afternoon. Highs 40 to 47.
.TONIGHT...Rain likely in the evening, then rain and snow after
midnight. Snow accumulation up to 1 inch. Southwest winds up to
10 mph. Lows 30 to 37.
.WEDNESDAY...Rain in the morning, then showers, snow showers and
slight chance of thunderstorms in the afternoon. Snow accumulation
up to 3 inches. Southwest winds 10 to 15 mph. Gusts up to 30 mph in
the afternoon. Highs 36 to 43.
.WEDNESDAY NIGHT...Showers and snow showers in the evening, then
snow showers likely after midnight. Snow accumulation up to 1 inch.
West winds 20 to 30 mph with gusts to 40 mph. Lows 23 to 30.
.THURSDAY...Snow showers likely. Snow accumulation up to 1 inch.
West winds 15 to 25 mph with gusts to 35 mph. Highs 33 to 40.
.THURSDAY NIGHT...Snow showers likely in the evening, then chance of
snow showers after midnight. Snow accumulation up to 1 inch. West
winds 10 to 15 mph. Gusts up to 25 mph in the evening. Lows 22 to
29.

$$

ORZ509-260100-
Broken Top-
356 AM PDT Tue Apr 25 2017

.TODAY...Partly cloudy with isolated snow showers in the morning,
then numerous snow showers in the afternoon. Snow accumulation up to
1 inch. Southwest winds 10 to 15 mph. Highs 28 to 35.
.TONIGHT...Snow. Snow accumulation of 1 to 2 inches. West winds
15 to 25 mph. Gusts up to 30 mph increasing to 40 mph after
midnight. Lows 23 to 30.
.WEDNESDAY...Snow in the morning, then snow showers in the
afternoon. Snow accumulation of 1 to 3 inches. West winds 20 to
35 mph with gusts to 45 mph. Highs 25 to 32.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Snow accumulation up to 1 inch. West
winds 20 to 30 mph. Gusts up to 45 mph decreasing to 35 mph after
midnight. Lows 15 to 22.
.THURSDAY...Chance of snow showers in the morning, then snow showers
likely in the afternoon. Snow accumulation up to 1 inch. West winds
10 to 20 mph with gusts to 30 mph. Highs 25 to 31.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Little or no
snow accumulation. West winds 15 to 25 mph with gusts to 35 mph
shifting to the northwest 10 to 15 mph with gusts to 25 mph after
midnight. Lows 15 to 22.

$$

ORZ509-260100-
Tam McArthur Rim-
356 AM PDT Tue Apr 25 2017

.TODAY...Partly cloudy with isolated snow showers in the morning,
then cloudy with scattered snow showers in the afternoon. Little or
no snow accumulation. Light winds becoming southwest 10 to 15 mph in
the afternoon. Highs 29 to 36.
.TONIGHT...Snow. Snow accumulation of 1 to 2 inches. West winds
15 to 25 mph with gusts to 35 mph. Lows 23 to 30.
.WEDNESDAY...Snow in the morning, then snow showers in the
afternoon. Snow accumulation of 1 to 3 inches. West winds 20 to
35 mph with gusts to 45 mph. Highs 26 to 33.
.WEDNESDAY NIGHT...Snow showers likely in the evening, then chance
of snow showers after midnight. Snow accumulation up to 1 inch. West
winds 20 to 30 mph. Gusts up to 45 mph decreasing to 35 mph after
midnight. Lows 15 to 22.
.THURSDAY...Mostly cloudy with chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 1 inch. West winds 10 to 20 mph with gusts to
30 mph. Highs 25 to 31.
.THURSDAY NIGHT...Cloudy with chance of snow showers. Little or no
snow accumulation. West winds 15 to 25 mph with gusts to 35 mph
shifting to the northwest 10 to 15 mph with gusts to 25 mph after
midnight. Lows 15 to 22.

$$

ORZ509-260100-
Newberry Crater-
356 AM PDT Tue Apr 25 2017

.TODAY...Partly cloudy in the morning, then cloudy with scattered
snow showers in the afternoon. Southwest winds 10 to 15 mph. Highs
35 to 42.
.TONIGHT...Snow and rain likely in the evening, then snow and rain
after midnight. Snow accumulation up to 1 inch. Southwest winds
10 to 20 mph with gusts to 30 mph. Lows 27 to 34.
.WEDNESDAY...Rain and snow in the morning, then snow showers and
showers likely in the afternoon. Snow accumulation up to 1 inch.
West winds 20 to 30 mph. Gusts up to 45 mph in the afternoon. Highs
34 to 41.
.WEDNESDAY NIGHT...Mostly cloudy with chance of snow showers in the
evening, then partly cloudy with slight chance of snow showers after
midnight. West winds 20 to 30 mph with gusts to 45 mph decreasing to
10 to 20 mph with gusts to 30 mph after midnight. Lows 16 to 23.
.THURSDAY...Mostly cloudy with chance of snow showers. Northwest
winds 10 to 20 mph. Highs 30 to 37.
.THURSDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then slight chance of snow showers after midnight.
Northwest winds 15 to 25 mph with gusts to 35 mph decreasing to
10 to 15 mph after midnight. Lows 16 to 23.

$$


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