Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 191156
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
356 AM PST Sun Nov 19 2017

ORZ050-200200-
Wallowa Mountains 8000 to 9000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. Southwest winds 10 to 20 mph with gusts to
30 mph. Highs 26 to 33.
.TONIGHT...Snow after midnight. Snow accumulation up to 3 inches.
West winds 20 to 30 mph with gusts to 40 mph. Lows 20 to 27.
.MONDAY...Snow. Snow accumulation of 1 to 3 inches. West winds 20 to
30 mph with gusts to 40 mph decreasing to 15 to 20 mph in the
afternoon. Highs 27 to 34.
.MONDAY NIGHT...Chance of snow in the evening, then snow and rain
likely after midnight. Snow accumulation up to 1 inch. Southwest
winds around 10 mph. Lows 26 to 33.
.TUESDAY...Rain and snow likely in the morning, then rain in the
afternoon. Snow accumulation up to 3 inches. Southwest winds 10 to
15 mph. Gusts up to 25 mph in the afternoon. Highs 33 to 40.
.TUESDAY NIGHT...Rain. Southwest winds 10 to 20 mph. Lows 29 to 36.

$$

ORZ050-200200-
Salt Creek Area 5000 to 7000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. South winds 10 to 15 mph with gusts to
25 mph. Highs 28 to 35.
.TONIGHT...Snow likely after midnight. Snow accumulation up to
2 inches. South winds 10 to 15 mph with gusts to 30 mph. Lows 22 to
29.
.MONDAY...Snow in the morning, then rain and snow in the afternoon.
Snow accumulation up to 2 inches. South winds 10 to 15 mph with
gusts to 25 mph. Highs 29 to 36.
.MONDAY NIGHT...Cloudy with chance of rain. South winds around
10 mph. Lows 29 to 36.
.TUESDAY...Rain likely in the morning, then rain in the afternoon.
South winds around 10 mph. Highs 35 to 42.
.TUESDAY NIGHT...Rain. South winds 10 to 15 mph. Lows 31 to 38.

$$

ORZ050-062-200200-
Clear Creek Area 6000 to 8000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. South winds 10 to 15 mph. Highs 25 to 32.
.TONIGHT...Snow after midnight. Snow accumulation up to 2 inches.
South winds 10 to 15 mph. Lows 19 to 26.
.MONDAY...Snow. Snow accumulation of 1 to 3 inches. South winds
around 10 mph. Highs 27 to 34.
.MONDAY NIGHT...Rain and snow likely in the evening, then rain
likely after midnight. Snow accumulation up to 1 inch. South winds
around 10 mph. Lows 26 to 33.
.TUESDAY...Rain. South winds 10 to 15 mph. Highs 34 to 41.
.TUESDAY NIGHT...Rain. South winds 10 to 15 mph. Lows 29 to 36.

$$

ORZ050-062-200200-
Catherine Creek Area 6000 to 8000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. South winds 10 to 15 mph. Highs 27 to 34.
.TONIGHT...Snow after midnight. Snow accumulation up to 2 inches.
South winds 10 to 15 mph. Lows 22 to 29.
.MONDAY...Snow in the morning, then snow and rain in the afternoon.
Snow accumulation of 1 to 3 inches. South winds around 10 mph. Highs
29 to 36.
.MONDAY NIGHT...Rain likely. Light winds becoming south around
10 mph after midnight. Lows 28 to 35.
.TUESDAY...Rain likely in the morning, then rain in the afternoon.
South winds 10 to 15 mph. Highs 36 to 43.
.TUESDAY NIGHT...Rain. South winds 10 to 15 mph. Lows 32 to 39.

$$

ORZ050-062-200200-
Norway Area 7000 to 10000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. South winds 10 to 15 mph. Highs 26 to 33.
.TONIGHT...Snow after midnight. Snow accumulation up to 2 inches.
South winds 10 to 15 mph with gusts to 25 mph. Lows 19 to 26.
.MONDAY...Snow. Snow accumulation of 2 to 3 inches. Southwest winds
10 to 15 mph. Highs 26 to 33.
.MONDAY NIGHT...Snow and rain likely. Snow accumulation up to
2 inches. South winds around 10 mph. Lows 26 to 33.
.TUESDAY...Rain and snow in the morning, then rain in the afternoon.
Snow accumulation up to 2 inches. South winds 10 to 15 mph. Highs
34 to 41.
.TUESDAY NIGHT...Rain. Southwest winds 10 to 15 mph. Lows 28 to 35.

$$

ORZ062-503-200200-
Anthony Lakes Area 7000 to 9000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Sunny in the morning then becoming partly cloudy. Southwest
winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs 26 to
33.
.TONIGHT...Snow after midnight. Snow accumulation up to 1 inch.
Southwest winds 15 to 25 mph with gusts to 35 mph. Lows 22 to 29.
.MONDAY...Snow in the morning, then rain and snow in the afternoon.
Snow accumulation up to 2 inches. Southwest winds 10 to 20 mph.
Gusts up to 30 mph in the morning. Highs 27 to 34.
.MONDAY NIGHT...Chance of rain in the evening, then rain likely
after midnight. Southwest winds 10 to 15 mph. Lows 27 to 34.
.TUESDAY...Rain likely in the morning, then rain in the afternoon.
Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Highs 32 to 39.
.TUESDAY NIGHT...Rain. Southwest winds 15 to 25 mph. Lows 29 to 36.

$$

ORZ502-200200-
Blue Mountains 4000 to 6000 feet-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. South winds 10 to 15 mph with gusts to
30 mph. Highs 31 to 38.
.TONIGHT...Chance of rain and snow in the evening, then rain and
snow after midnight. Snow accumulation up to 4 inches. Southwest
winds 10 to 15 mph with gusts to 40 mph. Lows 25 to 32.
.MONDAY...Rain. South winds 10 to 15 mph with gusts to 35 mph. Highs
37 to 43.
.MONDAY NIGHT...Cloudy with chance of rain. Southwest winds around
10 mph. Lows 29 to 36.
.TUESDAY...Rain likely. South winds 10 to 15 mph. Highs 38 to 45.
.TUESDAY NIGHT...Rain likely in the evening, then rain after
midnight. South winds 10 to 15 mph. Lows 35 to 42.

$$

ORZ509-200200-
Broken Top-
356 AM PST Sun Nov 19 2017

.TODAY...Sunny in the morning then becoming mostly cloudy. Southwest
winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.
Highs 29 to 36.
.TONIGHT...Chance of snow in the evening, then snow and rain after
midnight. Snow accumulation up to 6 inches. Southwest winds 20 to
30 mph with gusts to 40 mph. Lows 24 to 31.
.MONDAY...Rain and snow in the morning, then rain in the afternoon.
Snow accumulation up to 5 inches. Southwest winds 15 to 25 mph.
Highs 33 to 40.
.MONDAY NIGHT...Rain likely. Southwest winds 10 to 15 mph with gusts
to 25 mph. Lows 28 to 35.
.TUESDAY...Rain likely in the morning, then chance of rain in the
afternoon. Southwest winds 15 to 25 mph. Highs 37 to 44.
.TUESDAY NIGHT...Chance of rain in the evening, then rain likely
after midnight. Southwest winds 20 to 30 mph. Lows 31 to 38.

$$

ORZ509-200200-
Tam McArthur Rim-
356 AM PST Sun Nov 19 2017

.TODAY...Sunny in the morning then becoming mostly cloudy. Southwest
winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.
Highs 30 to 37.
.TONIGHT...Chance of snow in the evening, then rain and snow after
midnight. Snow accumulation of 1 to 6 inches. Southwest winds 20 to
30 mph with gusts to 40 mph. Lows 24 to 31.
.MONDAY...Rain and snow in the morning, then rain in the afternoon.
No snow accumulation. Southwest winds 15 to 25 mph. Highs 33 to 40.
.MONDAY NIGHT...Rain likely. Southwest winds 10 to 15 mph. Gusts up
to 25 mph in the evening. Lows 28 to 35.
.TUESDAY...Rain likely in the morning, then chance of rain in the
afternoon. Southwest winds 10 to 20 mph with gusts to 30 mph. Highs
37 to 44.
.TUESDAY NIGHT...Cloudy with chance of rain. Southwest winds 20 to
30 mph decreasing to 10 to 20 mph after midnight. Lows 32 to 39.

$$

ORZ509-200200-
Newberry Crater-
356 AM PST Sun Nov 19 2017

.TODAY...Partly cloudy. Southwest winds 10 to 20 mph with gusts to
30 mph. Highs 32 to 39.
.TONIGHT...Slight chance of rain and snow in the evening, then rain
likely after midnight. Snow accumulation up to 2 inches. Southwest
winds 20 to 30 mph with gusts to 45 mph. Lows 24 to 31.
.MONDAY...Rain likely. Southwest winds 20 to 30 mph. Gusts up to
40 mph in the morning. Highs 34 to 41.
.MONDAY NIGHT...Mostly cloudy with chance of rain. Southwest winds
10 to 15 mph. Gusts up to 25 mph after midnight. Lows 29 to 36.
.TUESDAY...Cloudy with chance of rain. Southwest winds 10 to 20 mph
with gusts to 30 mph. Highs 40 to 47.
.TUESDAY NIGHT...Cloudy with chance of rain. Southwest winds 15 to
25 mph. Lows 33 to 40.

$$


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