Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 041156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST SUN DEC 4 2016

ORZ050-050200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. WEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH. HIGHS 19 TO 26.
.TONIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH IN THE EVENING. LOWS 1 TO 8.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 7 TO
14.
.MONDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 1 TO 8.
.TUESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS. HIGHS 5 TO 12.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.
NORTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
1 BELOW TO 8 BELOW ZERO.

$$

ORZ050-050200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TODAY...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST WINDS
10 TO 15 MPH. HIGHS 24 TO 31.
.TONIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LITTLE OR NO
SNOW ACCUMULATION. NORTHWEST WINDS AROUND 10 MPH IN THE EVENING
BECOMING LIGHT. LOWS 5 TO 12.
.MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CHANCE OF SNOW SHOWERS IN THE AFTERNOON. LITTLE OR NO
SNOW ACCUMULATION. LIGHT WINDS. HIGHS 15 TO 22.
.MONDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. LIGHT WINDS. LOWS 4 TO 11.
.TUESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS. HIGHS 13 TO 20.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.
NORTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
5 BELOW TO 2 ABOVE ZERO.

$$

ORZ050-062-050200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 21 TO 28.
.TONIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST
WINDS 10 TO 15 MPH. LOWS 3 TO 10.
.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. CHANCE
OF SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS
AROUND 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON. HIGHS 10 TO
17.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. SOUTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT.
LOWS 2 TO 9.
.TUESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. LIGHT
WINDS. HIGHS 9 TO 16.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.
NORTH WINDS AROUND 10 MPH. LOWS 6 BELOW TO 1 ABOVE ZERO.

$$

ORZ050-062-050200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTHWEST WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 22 TO 29.
.TONIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. LOWS 5 TO 12.
.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. CHANCE
OF SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS
AROUND 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON. HIGHS 13 TO
20.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. LIGHT WINDS. LOWS 4 TO 11.
.TUESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. LIGHT
WINDS. HIGHS 11 TO 18.
.TUESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. NORTHWEST WINDS AROUND 10 MPH
IN THE EVENING BECOMING LIGHT. LOWS 5 BELOW TO 2 ABOVE ZERO.

$$

ORZ050-062-050200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 5 INCHES. SOUTHWEST WINDS
10 TO 15 MPH SHIFTING TO THE WEST 15 TO 25 MPH IN THE AFTERNOON.
GUSTS UP TO 35 MPH. HIGHS 21 TO 28.
.TONIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST
WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT. LOWS 2 TO 9.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. WEST WINDS AROUND 10 MPH SHIFTING TO THE SOUTH IN THE
AFTERNOON. HIGHS 9 TO 16.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. SOUTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT.
LOWS 2 TO 9.
.TUESDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. LIGHT
WINDS. HIGHS 7 TO 14.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.
NORTH WINDS AROUND 10 MPH. LOWS 7 BELOW TO ZERO.

$$

ORZ062-503-050200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST SUN DEC 4 2016

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 3 INCHES. WEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH. HIGHS 20 TO 27.
.TONIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS
TO 35 MPH. LOWS 3 TO 10.
.MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH WITH GUSTS TO
30 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON. HIGHS 10 TO 17.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. SOUTHWEST WINDS AROUND 10 MPH. LOWS 2 TO 9.
.TUESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS BECOMING NORTH AROUND 10 MPH IN THE
AFTERNOON. HIGHS 6 TO 13.
.TUESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. NORTHWEST WINDS AROUND
10 MPH. LOWS 5 BELOW TO 2 ABOVE ZERO.

$$

ORZ502-050200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST SUN DEC 4 2016

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING...

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 5 INCHES. WEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH. HIGHS 24 TO 31.
.TONIGHT...SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH DECREASING TO UP TO 10 MPH AFTER
MIDNIGHT. LOWS 9 TO 16.
.MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 1 INCH. LIGHT WINDS. HIGHS 15 TO 22.
.MONDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION AROUND 1 INCH. SOUTH WINDS UP TO 10 MPH IN THE EVENING
BECOMING LIGHT. LOWS 9 TO 16.
.TUESDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. CHANCE
OF SNOW SHOWERS. LIGHT WINDS BECOMING NORTHWEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 13 TO 20.
.TUESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. WEST WINDS AROUND 10 MPH IN
THE EVENING BECOMING LIGHT. LOWS 1 BELOW TO 6 ABOVE ZERO.

$$

ORZ509-050200-
BROKEN TOP-
356 AM PST SUN DEC 4 2016

.TODAY...SNOW. SNOW ACCUMULATION OF 3 TO 7 INCHES. WEST WINDS 20 TO
30 MPH WITH GUSTS TO 40 MPH. HIGHS 22 TO 29.
.TONIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. WEST WINDS 15 TO 25 MPH DECREASING TO
10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 35 MPH. LOWS 5 TO 12.
.MONDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN SNOW SHOWERS IN
THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST WINDS 10 TO
15 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO
35 MPH. HIGHS 11 TO 18.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO
2 INCHES. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH DECREASING TO
10 TO 15 MPH AFTER MIDNIGHT. LOWS 4 TO 11.
.TUESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
15 TO 20 MPH WITH GUSTS TO 30 MPH SHIFTING TO THE NORTHWEST 10 TO
15 MPH IN THE AFTERNOON. HIGHS 8 TO 15.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHEAST WINDS AROUND 10 MPH
SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. LOWS 3 BELOW TO 4 ABOVE
ZERO.

$$

ORZ509-050200-
TAM MCARTHUR RIM-
356 AM PST SUN DEC 4 2016

.TODAY...SNOW. SNOW ACCUMULATION OF 3 TO 6 INCHES. WEST WINDS 20 TO
30 MPH WITH GUSTS TO 40 MPH. HIGHS 22 TO 29.
.TONIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION UP TO 1 INCH. WEST WINDS 15 TO 25 MPH DECREASING TO
10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 35 MPH. LOWS 6 TO 13.
.MONDAY...SNOW SHOWERS LIKELY IN THE MORNING...THEN SNOW SHOWERS IN
THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 10 TO
15 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO
35 MPH. HIGHS 11 TO 18.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH IN THE EVENING.
LOWS 4 TO 11.
.TUESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH SHIFTING TO THE NORTH IN THE
AFTERNOON. HIGHS 8 TO 15.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHEAST WINDS AROUND 10 MPH
SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. LOWS 3 BELOW TO 4 ABOVE
ZERO.

$$

ORZ509-050200-
NEWBERRY CRATER-
356 AM PST SUN DEC 4 2016

.TODAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 20 TO 30 MPH WITH
GUSTS TO 40 MPH. HIGHS 26 TO 33.
.TONIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE EVENING...
THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WEST WINDS 10 TO
20 MPH. GUSTS UP TO 35 MPH IN THE EVENING. LOWS 7 TO 14.
.MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. SNOW
ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH. HIGHS 15 TO 22.
.MONDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
LOWS 7 TO 14.
.TUESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
10 TO 15 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON. HIGHS 12 TO
19.
.TUESDAY NIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 4 BELOW TO 3 ABOVE
ZERO.

$$


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