Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 212256
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PST Wed Feb 21 2018

ORZ050-221400-
Wallowa Mountains 8000 to 9000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Light winds. Lows
4 below to 3 above zero.
.THURSDAY...Cloudy with chance of snow showers. Snow accumulation of
1 to 2 inches. North winds 10 to 15 mph. Highs 1 to 8.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds 10 to 15 mph. Lows 1 below to 8 below zero.
.FRIDAY...Sunny in the morning, then partly cloudy with slight
chance of snow in the afternoon. North winds around 10 mph shifting
to the west in the afternoon. Highs 5 to 12.
.FRIDAY NIGHT...Cloudy with chance of snow. Snow accumulation around
1 inch. West winds 10 to 20 mph. Lows 1 to 8.
.SATURDAY...Snow likely. Snow accumulation around 2 inches. West
winds 15 to 25 mph with gusts to 35 mph. Highs 11 to 18.

$$

ORZ050-221400-
Salt Creek Area 5000 to 7000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Light winds. Lows
4 to 11.
.THURSDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. North winds around 10 mph. Highs 12 to 19.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds 10 to 15 mph. Lows 2 below to 5 above zero.
.FRIDAY...Sunny in the morning then becoming partly cloudy.
Northwest winds around 10 mph in the morning becoming light. Highs
15 to 22.
.FRIDAY NIGHT...Cloudy with chance of snow. Snow accumulation up to
1 inch. South winds around 10 mph. Lows 7 to 14.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 2 inches. Southwest winds around 10 mph.
Highs 18 to 25.

$$

ORZ050-062-221400-
Clear Creek Area 6000 to 8000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Light winds. Lows
2 to 9.
.THURSDAY...Cloudy with chance of snow showers. Snow accumulation
around 1 inch. North winds 10 to 15 mph. Highs 10 to 17.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds 10 to 15 mph. Lows 3 below to 4 above zero.
.FRIDAY...Sunny in the morning, then partly cloudy with slight
chance of snow in the afternoon. North winds around 10 mph in the
morning becoming light. Highs 12 to 19.
.FRIDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Snow accumulation around 1 inch. Southwest winds
10 to 15 mph. Lows 5 to 12.
.SATURDAY...Snow. Snow accumulation of 1 to 3 inches. Southwest
winds 10 to 15 mph. Highs 15 to 22.

$$

ORZ050-062-221400-
Catherine Creek Area 6000 to 8000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Light winds. Lows
2 to 9.
.THURSDAY...Cloudy with chance of snow showers. Snow accumulation up
to 1 inch. North winds 10 to 15 mph. Highs 8 to 15.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds 10 to 15 mph. Lows 3 below to 4 above zero.
.FRIDAY...Sunny in the morning, then mostly cloudy with slight
chance of snow in the afternoon. North winds around 10 mph shifting
to the west in the afternoon. Highs 10 to 17.
.FRIDAY NIGHT...Snow likely. Snow accumulation around 1 inch. West
winds 10 to 15 mph. Lows 6 to 13.
.SATURDAY...Snow. Snow accumulation around 2 inches. West winds
10 to 20 mph with gusts to 35 mph. Highs 14 to 21.

$$

ORZ050-062-221400-
Norway Area 7000 to 10000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Light winds. Lows
2 below to 5 above zero.
.THURSDAY...Snow showers likely. Snow accumulation around 1 inch.
North winds 10 to 15 mph. Highs 6 to 13.
.THURSDAY NIGHT...Mostly cloudy. Slight chance of snow showers in
the evening. North winds 10 to 15 mph. Lows 5 below to 2 above zero.
.FRIDAY...Sunny in the morning, then partly cloudy with slight
chance of snow in the afternoon. North winds around 10 mph in the
morning becoming light. Highs 7 to 14.
.FRIDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Snow accumulation around 1 inch. West winds 10 to
20 mph. Lows 2 to 9.
.SATURDAY...Snow. Snow accumulation of 1 to 3 inches. West winds
10 to 15 mph with gusts to 30 mph. Highs 12 to 19.

$$

ORZ062-503-221400-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Snow accumulation
around 1 inch. Light winds. Lows 3 below to 4 above zero.
.THURSDAY...Cloudy in the morning then becoming mostly cloudy.
Chance of snow showers. Snow accumulation up to 1 inch. North winds
10 to 15 mph. Highs 4 to 11.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. Northwest winds
10 to 15 mph. Lows 5 below to 2 above zero.
.FRIDAY...Sunny in the morning then becoming mostly cloudy.
Northwest winds around 10 mph. Highs 9 to 16.
.FRIDAY NIGHT...Snow likely. Snow accumulation of 1 to 3 inches.
West winds 10 to 20 mph. Lows 4 to 11.
.SATURDAY...Snow. Snow accumulation of 1 to 3 inches. West winds
15 to 25 mph with gusts to 35 mph. Highs 12 to 19.

$$

ORZ502-221400-
Blue Mountains 4000 to 6000 feet-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy. Isolated snow showers in the evening, then
scattered snow showers after midnight. Light winds. Lows 5 to 12.
.THURSDAY...Cloudy in the morning then becoming mostly cloudy.
Chance of snow showers. Northwest winds around 10 mph. Highs 12 to
19.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then partly cloudy after midnight. Northwest winds
up to 10 mph. Lows 1 to 8.
.FRIDAY...Sunny in the morning, then mostly cloudy with slight
chance of snow in the afternoon. West winds 10 to 15 mph. Highs
15 to 22.
.FRIDAY NIGHT...Snow likely. Snow accumulation of 1 to 3 inches.
Southwest winds 10 to 15 mph with gusts to 25 mph shifting to the
west 15 to 25 mph with gusts to 35 mph after midnight. Lows 12 to
19.
.SATURDAY...Snow likely. Snow accumulation of 1 to 2 inches. West
winds 20 to 30 mph with gusts to 40 mph. Highs 20 to 27.

$$

ORZ509-221400-
Broken Top-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Snow accumulation of
1 to 2 inches. West winds 10 to 15 mph. Lows zero to 7 above zero.
.THURSDAY...Snow showers in the morning, then mostly cloudy with
chance of snow showers in the afternoon. Snow accumulation of 1 to
4 inches. Northeast winds around 10 mph. Highs 8 to 15.
.THURSDAY NIGHT...Mostly cloudy with chance of snow showers in the
evening, then clear after midnight. North winds around 10 mph. Lows
4 below to 3 above zero.
.FRIDAY...Mostly cloudy. Slight chance of snow in the afternoon.
West winds 10 to 15 mph. Highs 12 to 19.
.FRIDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Snow accumulation up to 2 inches. West winds 20 to
30 mph. Gusts up to 40 mph after midnight. Lows 8 to 15.
.SATURDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 2 inches. West winds 20 to 35 mph with
gusts to 45 mph. Highs 14 to 21.

$$

ORZ509-221400-
Tam McArthur Rim-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Snow accumulation of
1 to 2 inches. West winds around 10 mph. Lows zero to 7 above zero.
.THURSDAY...Snow showers likely in the morning, then mostly cloudy
with chance of snow showers in the afternoon. Snow accumulation of
1 to 4 inches. Northeast winds around 10 mph. Highs 7 to 14.
.THURSDAY NIGHT...Mostly cloudy with slight chance of snow showers
in the evening, then clear after midnight. Southwest winds around
10 mph in the evening becoming light. Lows 4 below to 3 above zero.
.FRIDAY...Mostly cloudy. Slight chance of snow in the afternoon.
West winds 10 to 15 mph. Highs 13 to 20.
.FRIDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Snow accumulation up to 2 inches. West winds 20 to
30 mph. Gusts up to 40 mph after midnight. Lows 8 to 15.
.SATURDAY...Snow likely. Snow accumulation of 1 to 2 inches. West
winds 20 to 35 mph with gusts to 45 mph. Highs 14 to 21.

$$

ORZ509-221400-
Newberry Crater-
256 PM PST Wed Feb 21 2018

.TONIGHT...Cloudy with scattered snow showers. Snow accumulation
around 1 inch. Northwest winds 10 to 15 mph. Lows 2 to 9.
.THURSDAY...Snow showers likely in the morning, then mostly cloudy
with chance of snow showers in the afternoon. Snow accumulation of
1 to 3 inches. North winds 10 to 15 mph. Highs 8 to 15.
.THURSDAY NIGHT...Mostly cloudy with chance of snow showers in the
evening, then clear after midnight. North winds 10 to 15 mph. Lows
3 below to 4 above zero.
.FRIDAY...Partly cloudy in the morning then becoming mostly cloudy.
Northwest winds around 10 mph. Highs 14 to 21.
.FRIDAY NIGHT...Cloudy. Slight chance of snow in the evening, then
chance of snow after midnight. West winds 15 to 25 mph. Lows 10 to
17.
.SATURDAY...Mostly cloudy in the morning then becoming cloudy.
Chance of snow. Snow accumulation around 1 inch. West winds 20 to
30 mph with gusts to 45 mph. Highs 17 to 24.

$$


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