Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 181156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PST Thu Jan 18 2018

ORZ050-190200-
Wallowa Mountains 8000 to 9000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Snow. Snow accumulation of 3 to 4 inches. Southwest winds
25 to 35 mph with gusts to 45 mph decreasing to 15 to 20 mph in the
afternoon. Highs 28 to 35.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 2 inches. West winds
around 10 mph. Lows 11 to 18.
.FRIDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. West winds around 10 mph. Highs 15 to 22.
.FRIDAY NIGHT...Cloudy with chance of snow showers. West winds
around 10 mph. Lows 8 to 15.
.SATURDAY...Cloudy with chance of snow showers. Snow accumulation
around 1 inch. West winds around 10 mph. Highs 16 to 23.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. West
winds around 10 mph shifting to the southwest after midnight. Lows
7 to 14.

$$

ORZ050-190200-
Salt Creek Area 5000 to 7000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Rain and snow. Snow accumulation up to 4 inches. South
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 30 to 37.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 3 inches. Light winds.
Lows 19 to 26.
.FRIDAY...Snow showers likely in the morning, then chance of snow
showers in the afternoon. Snow accumulation up to 1 inch. Light
winds. Highs 23 to 30.
.FRIDAY NIGHT...Cloudy with chance of snow showers. Light winds.
Lows 12 to 19.
.SATURDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. Light winds. Highs 22 to 29.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Little
or no snow accumulation. Light winds. Lows 14 to 21.

$$

ORZ050-062-190200-
Clear Creek Area 6000 to 8000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Snow and rain in the morning, then snow in the afternoon.
Snow accumulation of 3 to 6 inches. Southwest winds 10 to 20 mph.
Gusts up to 35 mph decreasing to 25 mph in the afternoon. Highs
27 to 34.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 3 inches. Light winds.
Lows 15 to 22.
.FRIDAY...Snow showers likely in the morning, then chance of snow
showers in the afternoon. Snow accumulation up to 1 inch. Light
winds. Highs 18 to 25.
.FRIDAY NIGHT...Cloudy with chance of snow showers. Light winds.
Lows 9 to 16.
.SATURDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. Light winds. Highs 16 to 23.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Little
or no snow accumulation. Light winds. Lows 11 to 18.

$$

ORZ050-062-190200-
Catherine Creek Area 6000 to 8000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Snow and rain in the morning, then snow in the afternoon.
Snow accumulation up to 4 inches. South winds 15 to 25 mph with
gusts to 35 mph shifting to the southwest 10 to 15 mph in the
afternoon. Highs 30 to 37.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation up to 2 inches. Northwest winds
around 10 mph. Lows 15 to 22.
.FRIDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. West winds around 10 mph in the morning becoming light.
Highs 20 to 27.
.FRIDAY NIGHT...Cloudy with chance of snow showers. Light winds.
Lows 12 to 19.
.SATURDAY...Cloudy with chance of snow showers. Snow accumulation
around 1 inch. Light winds becoming west around 10 mph in the
afternoon. Highs 20 to 27.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Light
winds. Lows 12 to 19.

$$

ORZ050-062-190200-
Norway Area 7000 to 10000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Snow. Snow accumulation of 3 to 5 inches. South winds 15 to
25 mph with gusts to 40 mph shifting to the southwest 10 to 15 mph
with gusts to 25 mph in the afternoon. Highs 27 to 34.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 3 inches. West winds
around 10 mph. Lows 13 to 20.
.FRIDAY...Snow showers likely in the morning, then chance of snow
showers in the afternoon. Snow accumulation up to 1 inch. West winds
around 10 mph. Highs 16 to 23.
.FRIDAY NIGHT...Cloudy with chance of snow showers. West winds
around 10 mph. Lows 8 to 15.
.SATURDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. West winds around 10 mph. Highs 15 to 22.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Little
or no snow accumulation. West winds around 10 mph in the evening
becoming light. Lows 8 to 15.

$$

ORZ062-503-190200-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Snow. Snow accumulation of 2 to 3 inches. Southwest winds
20 to 30 mph with gusts to 40 mph becoming west 10 to 15 mph in the
afternoon. Highs 27 to 34.
.TONIGHT...Snow showers likely. Snow accumulation around 1 inch.
West winds around 10 mph. Lows 9 to 16.
.FRIDAY...Cloudy with chance of snow showers. Little or no snow
accumulation. West winds around 10 mph. Highs 13 to 20.
.FRIDAY NIGHT...Cloudy with chance of snow showers. West winds
around 10 mph. Lows 8 to 15.
.SATURDAY...Snow showers likely. Snow accumulation around 1 inch.
West winds around 10 mph. Highs 14 to 21.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. West
winds around 10 mph shifting to the southwest after midnight. Lows
9 to 16.

$$

ORZ502-190200-
Blue Mountains 4000 to 6000 feet-
356 AM PST Thu Jan 18 2018

.TODAY...Rain in the morning, then rain and snow in the afternoon.
Snow accumulation up to 4 inches. Southwest winds 10 to 15 mph with
gusts to 30 mph. Highs 32 to 39.
.TONIGHT...Snow showers likely in the evening, then chance of snow
showers after midnight. Snow accumulation up to 1 inch. West winds
around 10 mph. Lows 20 to 27.
.FRIDAY...Cloudy with chance of snow showers. Southwest winds 10 to
15 mph. Highs 26 to 33.
.FRIDAY NIGHT...Cloudy with chance of snow showers. Southwest winds
10 to 15 mph. Lows 18 to 25.
.SATURDAY...Snow showers likely in the morning, then chance of snow
showers in the afternoon. Snow accumulation up to 1 inch. Southwest
winds 10 to 15 mph. Highs 25 to 32.
.SATURDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening, then slight chance of snow showers after midnight. West
winds up to 10 mph shifting to the south around 10 mph after
midnight. Lows 16 to 23.

$$

ORZ509-190200-
Broken Top-
356 AM PST Thu Jan 18 2018

.TODAY...Snow. Snow accumulation of 2 to 4 inches. Southwest winds
15 to 20 mph with gusts to 30 mph. Highs 23 to 30.
.TONIGHT...Snow showers. Snow accumulation of 1 to 2 inches.
Southwest winds 10 to 20 mph. Lows 10 to 17.
.FRIDAY...Cloudy with chance of snow showers. Snow accumulation
around 1 inch. Southwest winds 10 to 20 mph. Highs 17 to 24.
.FRIDAY NIGHT...Snow showers. Snow accumulation up to 1 inch. West
winds 10 to 15 mph. Lows 10 to 17.
.SATURDAY...Snow showers in the morning, then snow showers likely in
the afternoon. Snow accumulation up to 2 inches. West winds 10 to
15 mph. Highs 18 to 25.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Little
or no snow accumulation. Southwest winds 10 to 15 mph. Gusts up to
30 mph after midnight. Lows 13 to 20.

$$

ORZ509-190200-
Tam McArthur Rim-
356 AM PST Thu Jan 18 2018

.TODAY...Snow. Snow accumulation of 2 to 4 inches. Southwest winds
15 to 20 mph. Highs 23 to 30.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 2 inches. Southwest winds
10 to 20 mph. Lows 10 to 17.
.FRIDAY...Cloudy with chance of snow showers. Snow accumulation
around 1 inch. Southwest winds 10 to 15 mph. Highs 17 to 24.
.FRIDAY NIGHT...Snow showers in the evening, then snow showers
likely after midnight. Snow accumulation up to 1 inch. West winds
10 to 15 mph. Lows 11 to 18.
.SATURDAY...Snow showers in the morning, then chance of snow showers
in the afternoon. Snow accumulation up to 1 inch. West winds 10 to
15 mph. Highs 18 to 25.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers.
Southwest winds 10 to 15 mph. Gusts up to 30 mph after midnight.
Lows 13 to 20.

$$

ORZ509-190200-
Newberry Crater-
356 AM PST Thu Jan 18 2018

.TODAY...Rain and snow in the morning, then snow in the afternoon.
Snow accumulation up to 3 inches. Southwest winds 10 to 20 mph with
gusts to 30 mph. Highs 28 to 35.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation up to 2 inches. Southwest winds
10 to 15 mph. Lows 15 to 22.
.FRIDAY...Mostly cloudy with chance of snow showers. Southwest winds
10 to 15 mph. Highs 20 to 27.
.FRIDAY NIGHT...Cloudy with chance of snow showers. Southwest winds
10 to 15 mph. Lows 14 to 21.
.SATURDAY...Cloudy in the morning then becoming mostly cloudy.
Chance of snow showers. West winds 10 to 15 mph. Highs 21 to 28.
.SATURDAY NIGHT...Mostly cloudy with slight chance of snow showers.
Southwest winds 10 to 15 mph. Gusts up to 30 mph after midnight.
Lows 14 to 21.

$$


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