Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 182256
SAGPDT

Avalanche Guidance
National Weather Service Pendleton OR
256 PM PST Sun Feb 18 2018

ORZ050-191400-
Wallowa Mountains 8000 to 9000 feet-
256 PM PST Sun Feb 18 2018

.TONIGHT...Widespread snow showers. Snow accumulation of 1 to
2 inches. Northeast winds 10 to 15 mph. Lows 6 below to 1 above
zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy with chance of snow showers.
Snow accumulation of 1 to 2 inches. North winds 10 to 15 mph. Gusts
up to 25 mph in the afternoon. Highs 6 below to 1 above zero.
.MONDAY NIGHT...Partly cloudy with slight chance of snow showers in
the evening, then clear after midnight. North winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Lows 11 below to 18 below zero.
.TUESDAY...Sunny. North winds around 10 mph in the morning becoming
light. Highs 2 below to 5 above zero.
.TUESDAY NIGHT...Mostly cloudy. Light winds becoming west around
10 mph after midnight. Lows 7 below to zero.
.WEDNESDAY...Partly cloudy. Light winds becoming southwest around
10 mph in the afternoon. Highs 2 to 9.

$$

ORZ050-191400-
Salt Creek Area 5000 to 7000 feet-
256 PM PST Sun Feb 18 2018

.TONIGHT...Numerous snow showers. Snow accumulation of 1 to
2 inches. North winds 10 to 15 mph. Gusts up to 25 mph after
midnight. Lows 3 to 10.
.WASHINGTONS BIRTHDAY...Cloudy in the morning then becoming mostly
cloudy. Chance of snow showers. Snow accumulation up to 1 inch.
North winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Highs
5 to 12.
.MONDAY NIGHT...Partly cloudy with slight chance of snow showers in
the evening, then clear after midnight. North winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Lows 5 below to 12 below zero.
.TUESDAY...Sunny. North winds around 10 mph in the morning becoming
light. Highs 7 to 14.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 2 below to 5 above
zero.
.WEDNESDAY...Partly cloudy. Light winds becoming south around 10 mph
in the afternoon. Highs 11 to 18.

$$

ORZ050-062-191400-
Clear Creek Area 6000 to 8000 feet-
256 PM PST Sun Feb 18 2018

.TONIGHT...Numerous snow showers in the evening, then widespread
snow showers after midnight. Snow accumulation of 1 to 2 inches.
Northeast winds around 10 mph. Gusts up to 25 mph after midnight.
Lows zero to 7 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy with chance of snow showers.
North winds 10 to 15 mph with gusts to 25 mph. Highs 3 to 10.
.MONDAY NIGHT...Partly cloudy with slight chance of snow showers in
the evening, then clear after midnight. North winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Lows 5 below to 12 below zero.
.TUESDAY...Sunny. North winds 10 to 15 mph in the morning becoming
light. Highs 4 to 11.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 3 below to 4 above
zero.
.WEDNESDAY...Partly cloudy. Light winds becoming south around 10 mph
in the afternoon. Highs 6 to 13.

$$

ORZ050-062-191400-
Catherine Creek Area 6000 to 8000 feet-
256 PM PST Sun Feb 18 2018

.TONIGHT...Widespread snow showers. Snow accumulation up to
2 inches. North winds 10 to 15 mph. Lows zero to 7 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy with chance of snow showers.
North winds 10 to 15 mph. Highs 2 below to 5 above zero.
.MONDAY NIGHT...Partly cloudy with slight chance of snow showers in
the evening, then clear after midnight. North winds 10 to 15 mph.
Lows 6 below to 13 below zero.
.TUESDAY...Sunny. North winds around 10 mph in the morning becoming
light. Highs 3 to 10.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Light winds. Lows 2 below to 5 above zero.
.WEDNESDAY...Partly cloudy. Light winds. Highs 7 to 14.

$$

ORZ050-062-191400-
Norway Area 7000 to 10000 feet-
256 PM PST Sun Feb 18 2018

.TONIGHT...Widespread snow showers. Snow accumulation of 1 to
2 inches. Northeast winds 10 to 15 mph. Gusts up to 25 mph after
midnight. Lows 4 below to 3 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy with chance of snow showers.
North winds 10 to 15 mph with gusts to 25 mph. Highs 2 below to
5 above zero.
.MONDAY NIGHT...Partly cloudy with slight chance of snow showers in
the evening, then clear after midnight. North winds 10 to 20 mph.
Lows 8 below to 15 below zero.
.TUESDAY...Sunny. North winds 10 to 15 mph in the morning becoming
light. Highs 1 to 8.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 4 below to 3 above
zero.
.WEDNESDAY...Partly cloudy. Light winds becoming southwest around
10 mph in the afternoon. Highs 3 to 10.

$$

ORZ062-503-191400-
Anthony Lakes Area 7000 to 9000 feet-
256 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST MONDAY...

.TONIGHT...Widespread snow showers in the evening, then numerous
snow showers after midnight. Snow accumulation of 1 to 2 inches.
East winds around 10 mph shifting to the northwest 15 to 20 mph
after midnight. Lows 4 below to 3 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy with chance of snow showers.
Northwest winds 15 to 20 mph with gusts to 30 mph. Highs 6 below to
1 above zero.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. North
winds 10 to 20 mph. Gusts up to 30 mph in the evening. Lows 8 below
to 15 below zero.
.TUESDAY...Sunny. Northwest winds 10 to 15 mph. Highs 3 to 10.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 5 below to 2 above
zero.
.WEDNESDAY...Partly cloudy. Light winds. Highs 7 to 14.

$$

ORZ502-191400-
Blue Mountains 4000 to 6000 feet-
256 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST MONDAY...

.TONIGHT...Numerous snow showers. Snow accumulation of 1 to
2 inches. North winds around 10 mph shifting to the northwest after
midnight. Lows 5 to 12.
.WASHINGTONS BIRTHDAY...Mostly cloudy. Chance of snow showers in the
morning, then slight chance of snow showers in the afternoon. Snow
accumulation up to 1 inch. Northwest winds 10 to 15 mph. Highs 2 to
9.
.MONDAY NIGHT...Partly cloudy in the evening then clearing.
Northwest winds up to 10 mph in the evening becoming light. Lows
3 below to 10 below zero.
.TUESDAY...Sunny. Light winds. Highs 10 to 17.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Light winds. Lows zero to 7 above zero.
.WEDNESDAY...Partly cloudy. Light winds becoming southwest around
10 mph in the afternoon. Highs 14 to 21.

$$

ORZ509-191400-
Broken Top-
256 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST MONDAY...

.TONIGHT...Widespread snow showers. Snow accumulation of 2 to
4 inches. Northwest winds 10 to 15 mph with gusts to 25 mph shifting
to the northeast after midnight. Lows 4 below to 3 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy. Chance of snow showers in the
morning, then slight chance of snow showers in the afternoon. North
winds around 10 mph. Highs 4 to 11.
.MONDAY NIGHT...Partly cloudy in the evening then becoming clear.
Northwest winds around 10 mph in the evening becoming light. Lows
5 below to 12 below zero.
.TUESDAY...Partly cloudy. Light winds. Highs 11 to 18.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 2 below to 5 above
zero.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with
slight chance of snow showers in the afternoon. Light winds becoming
west around 10 mph in the afternoon. Highs 13 to 20.

$$

ORZ509-191400-
Tam McArthur Rim-
256 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST MONDAY...

.TONIGHT...Widespread snow showers. Snow accumulation of 2 to
4 inches. Northwest winds 10 to 15 mph shifting to the northeast
after midnight. Lows 3 below to 4 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy. Chance of snow showers in the
morning. North winds around 10 mph. Highs 4 to 11.
.MONDAY NIGHT...Partly cloudy in the evening then becoming clear.
Light winds. Lows 4 below to 11 below zero.
.TUESDAY...Partly cloudy. Light winds. Highs 11 to 18.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 2 below to 5 above
zero.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with
slight chance of snow showers in the afternoon. Light winds becoming
west around 10 mph in the afternoon. Highs 13 to 20.

$$

ORZ509-191400-
Newberry Crater-
256 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST MONDAY...

.TONIGHT...Widespread snow showers in the evening, then numerous
snow showers after midnight. Snow accumulation of 1 to 2 inches.
Northwest winds 10 to 20 mph. Gusts up to 30 mph in the evening.
Lows 1 below to 6 above zero.
.WASHINGTONS BIRTHDAY...Mostly cloudy. Chance of snow showers in the
morning. North winds 10 to 15 mph. Highs 5 to 12.
.MONDAY NIGHT...Clear. Northwest winds 10 to 15 mph in the evening
becoming light. Lows 1 below to 8 below zero.
.TUESDAY...Partly cloudy in the morning then becoming sunny. Light
winds. Highs 12 to 19.
.TUESDAY NIGHT...Mostly cloudy. Light winds. Lows 3 to 10.
.WEDNESDAY...Partly cloudy. Slight chance of snow showers in the
afternoon. Light winds. Highs 15 to 22.

$$


http://weather.gov/pendleton



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