Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 232256
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PST Fri Feb 23 2018

ORZ050-241400-
Wallowa Mountains 8000 to 9000 feet-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. West winds 10 to
15 mph increasing to 15 to 25 mph after midnight. Gusts up to
35 mph. Lows 1 to 8.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 6 inches. West winds 15 to 20 mph with
gusts to 30 mph. Highs 8 to 15.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Snow
accumulation of 1 to 2 inches. West winds 10 to 20 mph with gusts to
30 mph. Lows zero to 7 above zero.
.SUNDAY...Snow. Snow accumulation of 2 to 5 inches. West winds 15 to
25 mph with gusts to 40 mph. Highs 11 to 18.
.SUNDAY NIGHT...Snow showers in the evening, then snow showers
likely after midnight. Snow accumulation of 1 to 2 inches. West
winds 10 to 15 mph. Gusts up to 25 mph in the evening. Lows 1 below
to 6 above zero.
.MONDAY...Mostly cloudy with chance of snow showers. Northwest winds
around 10 mph. Highs 5 to 12.

$$

ORZ050-241400-
Salt Creek Area 5000 to 7000 feet-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Cloudy with chance of snow. Snow accumulation up to
1 inch. South winds 10 to 15 mph. Lows 7 to 14.
.SATURDAY...Snow in the morning, then snow showers likely in the
afternoon. Snow accumulation of 1 to 3 inches. South winds around
10 mph shifting to the northwest in the afternoon. Highs 16 to 23.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers.
Northwest winds around 10 mph in the evening becoming light. Lows
10 to 17.
.SUNDAY...Snow. Snow accumulation of 1 to 3 inches. Southwest winds
10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs 19 to 26.
.SUNDAY NIGHT...Snow showers in the evening, then snow showers
likely after midnight. Snow accumulation around 1 inch. Light winds.
Lows 6 to 13.
.MONDAY...Mostly cloudy with chance of snow showers. Light winds
becoming northwest around 10 mph in the afternoon. Highs 15 to 22.

$$

ORZ050-062-241400-
Clear Creek Area 6000 to 8000 feet-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation up to 2 inches. Southwest winds 10 to
15 mph. Lows 3 to 10.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 6 inches. Southwest winds around 10 mph
shifting to the northwest in the afternoon. Highs 12 to 19.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Snow
accumulation around 1 inch. West winds 10 to 15 mph. Lows 6 to 13.
.SUNDAY...Snow. Snow accumulation of 2 to 4 inches. Southwest winds
10 to 20 mph with gusts to 30 mph. Highs 17 to 24.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 1 to 2 inches.
West winds 10 to 15 mph. Lows 4 to 11.
.MONDAY...Mostly cloudy in the morning then becoming cloudy. Chance
of snow showers. Light winds. Highs 17 to 23.

$$

ORZ050-062-241400-
Catherine Creek Area 6000 to 8000 feet-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Snow likely in the evening, then snow after midnight.
Snow accumulation of 1 to 3 inches. Southwest winds 10 to 15 mph.
Gusts up to 30 mph after midnight. Lows 6 to 13.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 2 to 7 inches. Southwest winds 10 to 15 mph
shifting to the northwest 15 to 20 mph with gusts to 30 mph in the
afternoon. Highs 13 to 20.
.SATURDAY NIGHT...Snow showers likely. Snow accumulation of 1 to
2 inches. West winds 10 to 15 mph. Gusts up to 30 mph in the
evening. Lows 7 to 14.
.SUNDAY...Snow. Snow accumulation of 2 to 4 inches. West winds 10 to
20 mph with gusts to 30 mph. Highs 16 to 23.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 1 to 2 inches.
West winds 10 to 15 mph. Lows 4 to 11.
.MONDAY...Mostly cloudy with chance of snow showers. Northwest winds
around 10 mph. Highs 11 to 18.

$$

ORZ050-062-241400-
Norway Area 7000 to 10000 feet-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Chance of snow in the evening, then snow after midnight.
Snow accumulation of 1 to 2 inches. Southwest winds 10 to 15 mph.
Lows 3 to 10.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 8 inches. Southwest winds 10 to 15 mph
shifting to the northwest 15 to 20 mph in the afternoon. Gusts up to
30 mph. Highs 11 to 18.
.SATURDAY NIGHT...Snow showers likely. Snow accumulation of 1 to
2 inches. West winds 10 to 15 mph. Gusts up to 30 mph in the
evening. Lows 4 to 11.
.SUNDAY...Snow. Snow accumulation of 3 to 5 inches. Southwest winds
15 to 20 mph with gusts to 35 mph. Highs 13 to 20.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 1 to 2 inches.
West winds 10 to 15 mph. Gusts up to 25 mph in the evening. Lows
1 to 8.
.MONDAY...Mostly cloudy in the morning then becoming cloudy. Chance
of snow showers. Light winds. Highs 8 to 15.

$$

ORZ062-503-241400-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PST Fri Feb 23 2018

.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation of 1 to 2 inches. West winds 15 to
25 mph with gusts to 35 mph. Lows 3 to 10.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 6 inches. West winds 15 to 25 mph with
gusts to 35 mph. Highs 10 to 17.
.SATURDAY NIGHT...Snow showers likely in the evening, then chance of
snow showers after midnight. Snow accumulation up to 1 inch. West
winds 10 to 20 mph with gusts to 35 mph. Lows 5 to 12.
.SUNDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 4 inches. West winds 20 to 30 mph with
gusts to 45 mph. Highs 14 to 21.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 1 to 4 inches.
West winds 10 to 20 mph. Gusts up to 30 mph in the evening. Lows
zero to 7 above zero.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds 10 to 15 mph. Gusts up to 25 mph in
the morning. Highs 10 to 17.

$$

ORZ502-241400-
Blue Mountains 4000 to 6000 feet-
256 PM PST Fri Feb 23 2018

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST SATURDAY...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Snow. Snow accumulation of 1 to 3 inches. Southwest winds
10 to 15 mph with gusts to 35 mph. Lows 11 to 18.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 6 inches. West winds 10 to 20 mph with
gusts to 35 mph. Highs 18 to 25.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Snow
accumulation up to 1 inch. West winds 10 to 20 mph. Gusts up to
30 mph increasing to 40 mph after midnight. Lows 14 to 21.
.SUNDAY...Snow. Snow accumulation of 1 to 3 inches. West winds 15 to
25 mph with gusts to 45 mph. Highs 21 to 28.
.SUNDAY NIGHT...Snow showers in the evening, then snow showers
likely after midnight. Snow accumulation of 1 to 2 inches. West
winds 10 to 15 mph. Gusts up to 30 mph in the evening. Lows 10 to
17.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. West winds 10 to 15 mph. Highs 17 to 24.

$$

ORZ509-241400-
Broken Top-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Chance of snow in the evening, then snow after midnight.
Snow accumulation up to 5 inches. West winds 20 to 30 mph with gusts
to 45 mph. Lows 5 to 12.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 9 inches. West winds 25 to 35 mph
decreasing to 15 to 25 mph in the afternoon. Gusts up to 45 mph.
Highs 10 to 17.
.SATURDAY NIGHT...Snow showers likely in the evening, then chance of
snow showers after midnight. Snow accumulation up to 2 inches. West
winds 20 to 30 mph with gusts to 45 mph. Lows 8 to 15.
.SUNDAY...Snow. Snow accumulation of 4 to 7 inches. West winds 30 to
40 mph decreasing to 20 to 30 mph in the afternoon. Gusts up to
50 mph. Highs 16 to 23.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 2 to 8 inches.
West winds 20 to 30 mph with gusts to 45 mph decreasing to 10 to
15 mph after midnight. Lows 4 to 11.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Snow accumulation up to 1 inch. West winds 10 to
15 mph. Highs 11 to 18.

$$

ORZ509-241400-
Tam McArthur Rim-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Chance of snow in the evening, then snow likely after
midnight. Snow accumulation up to 4 inches. West winds 20 to 30 mph.
Gusts up to 35 mph increasing to 45 mph after midnight. Lows 6 to
13.
.SATURDAY...Snow in the morning, then snow showers in the afternoon.
Snow accumulation of 1 to 8 inches. West winds 20 to 30 mph. Gusts
up to 45 mph decreasing to 35 mph in the afternoon. Highs 10 to 17.
.SATURDAY NIGHT...Mostly cloudy with chance of snow showers. Snow
accumulation up to 2 inches. West winds 20 to 30 mph with gusts to
40 mph. Lows 8 to 15.
.SUNDAY...Snow. Snow accumulation of 4 to 7 inches. West winds 30 to
40 mph decreasing to 15 to 25 mph in the afternoon. Gusts up to
50 mph. Highs 16 to 23.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 2 to 8 inches.
West winds 20 to 30 mph with gusts to 45 mph decreasing to 10 to
15 mph after midnight. Lows 4 to 11.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Snow accumulation up to 1 inch. West winds 10 to
15 mph. Highs 11 to 18.

$$

ORZ509-241400-
Newberry Crater-
256 PM PST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

.TONIGHT...Mostly cloudy. Slight chance of snow in the evening, then
chance of snow after midnight. Snow accumulation up to 1 inch. West
winds 15 to 20 mph with gusts to 30 mph increasing to 20 to 30 mph
with gusts to 40 mph after midnight. Lows 9 to 16.
.SATURDAY...Snow in the morning, then snow showers likely in the
afternoon. Snow accumulation of 1 to 4 inches. West winds 20 to
30 mph with gusts to 40 mph. Highs 15 to 22.
.SATURDAY NIGHT...Mostly cloudy. Chance of snow showers in the
evening. West winds 15 to 25 mph with gusts to 35 mph. Lows 11 to
18.
.SUNDAY...Snow likely in the morning, then snow in the afternoon.
Snow accumulation of 1 to 3 inches. West winds 20 to 35 mph with
gusts to 45 mph. Highs 19 to 26.
.SUNDAY NIGHT...Snow showers. Snow accumulation of 1 to 6 inches.
West winds 20 to 30 mph with gusts to 45 mph decreasing to 10 to
15 mph with gusts to 25 mph after midnight. Lows 4 to 11.
.MONDAY...Cloudy in the morning then becoming mostly cloudy. Chance
of snow showers. Northwest winds around 10 mph. Highs 13 to 20.

$$


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