Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 281156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST SUN DEC 28 2014

ORZ050-290200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
4 INCHES. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS
11 TO 18.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 2 INCHES. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 4 TO 11.
.MONDAY...SNOW LIKELY IN THE MORNING...THEN CHANCE OF SNOW IN THE
AFTERNOON. SNOW ACCUMULATION OF 1 TO 3 INCHES. LIGHT WINDS BECOMING
EAST AROUND 10 MPH IN THE AFTERNOON. HIGHS 6 TO 13.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
NORTHEAST WINDS 10 TO 15 MPH. LOWS 4 BELOW TO 3 ABOVE ZERO.
.TUESDAY...PARTLY CLOUDY. NORTHEAST WINDS 10 TO 15 MPH. HIGHS ZERO
TO 7 ABOVE ZERO.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHEAST WINDS 10 TO 15 MPH. LOWS
4 BELOW TO 3 ABOVE ZERO.

$$

ORZ050-290200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
3 INCHES. LIGHT WINDS BECOMING NORTHWEST 10 TO 15 MPH IN THE
AFTERNOON. HIGHS 18 TO 25.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 2 INCHES. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 8 TO 15.
.MONDAY...SNOW LIKELY IN THE MORNING...THEN CHANCE OF SNOW IN THE
AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. LIGHT WINDS BECOMING
NORTHEAST AROUND 10 MPH IN THE AFTERNOON. HIGHS 12 TO 19.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NORTH
WINDS 10 TO 15 MPH. LOWS 4 BELOW TO 3 ABOVE ZERO.
.TUESDAY...PARTLY CLOUDY. NORTH WINDS 10 TO 15 MPH. HIGHS 1 TO 8.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.
NORTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS
7 BELOW TO ZERO.

$$

ORZ050-062-290200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
2 INCHES. NORTHWEST WINDS UP TO 10 MPH. HIGHS 17 TO 24.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 3 INCHES. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 9 TO 16.
.MONDAY...SNOW LIKELY IN THE MORNING...THEN CHANCE OF SNOW IN THE
AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. LIGHT WINDS. HIGHS
11 TO 18.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NORTH
WINDS 10 TO 15 MPH. LOWS 3 BELOW TO 4 ABOVE ZERO.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. NORTH
WINDS 10 TO 20 MPH. HIGHS 3 TO 10.
.TUESDAY NIGHT...CLEAR. NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
IN THE EVENING. LOWS 5 BELOW TO 2 ABOVE ZERO.

$$

ORZ050-062-290200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
4 INCHES. WEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 16 TO
23.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. NORTHWEST WINDS AROUND
10 MPH. LOWS 8 TO 15.
.MONDAY...SNOW LIKELY. SNOW ACCUMULATION AROUND 2 INCHES. LIGHT
WINDS. HIGHS 11 TO 18.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 3 INCHES. NORTH WINDS 10 TO 15 MPH. LOWS 4 BELOW
TO 3 ABOVE ZERO.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
NORTHEAST WINDS 10 TO 15 MPH. HIGHS ZERO TO 7 ABOVE ZERO.
.TUESDAY NIGHT...CLEAR. NORTHEAST WINDS 10 TO 15 MPH. LOWS 5 BELOW
TO 2 ABOVE ZERO.

$$

ORZ050-062-290200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
3 INCHES. NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON. HIGHS 14 TO 21.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 3 INCHES. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 7 TO 14.
.MONDAY...SNOW LIKELY IN THE MORNING...THEN CHANCE OF SNOW IN THE
AFTERNOON. SNOW ACCUMULATION OF 1 TO 3 INCHES. LIGHT WINDS. HIGHS
8 TO 15.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NORTH
WINDS 10 TO 15 MPH. LOWS 3 BELOW TO 4 ABOVE ZERO.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
NORTHEAST WINDS 10 TO 20 MPH. HIGHS 2 TO 9.
.TUESDAY NIGHT...CLEAR. NORTHEAST WINDS 10 TO 20 MPH. LOWS 3 BELOW
TO 4 ABOVE ZERO.

$$

ORZ062-503-290200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
4 INCHES. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS
15 TO 22.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 4 INCHES. WEST WINDS 10 TO
15 MPH. LOWS 7 TO 14.
.MONDAY...SNOW LIKELY. SNOW ACCUMULATION OF 1 TO 4 INCHES. NORTH
WINDS 10 TO 15 MPH. HIGHS 9 TO 16.
.MONDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. NORTH WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 4 BELOW TO 3 ABOVE ZERO.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN CLEARING. NORTHEAST
WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 1 TO 8.
.TUESDAY NIGHT...CLEAR. NORTHEAST WINDS 10 TO 20 MPH. LOWS 4 BELOW
TO 3 ABOVE ZERO.

$$

ORZ502-290200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST SUN DEC 28 2014

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO
4 INCHES. WEST WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH. HIGHS 20 TO
27.
.TONIGHT...SNOW LIKELY IN THE EVENING...THEN SNOW AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 10 TO 17.
.MONDAY...SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST WINDS AROUND 10 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON. HIGHS 14 TO 21.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NORTH
WINDS AROUND 10 MPH. LOWS 5 BELOW TO 2 ABOVE ZERO.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
NORTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS
1 TO 8.
.TUESDAY NIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 4 BELOW TO
11 BELOW ZERO.

$$

ORZ509-290200-
BROKEN TOP-
356 AM PST SUN DEC 28 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN NUMEROUS SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH DECREASING TO 15 TO 20 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON. HIGHS 15 TO 22.
.TONIGHT...SNOW LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 6 TO 13.
.MONDAY...SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST WINDS 10 TO 15 MPH SHIFTING
TO THE NORTHEAST IN THE AFTERNOON. HIGHS 8 TO 15.
.MONDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 35 MPH.
LOWS 4 BELOW TO 3 ABOVE ZERO.
.TUESDAY...SUNNY. NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.
HIGHS 5 TO 12.
.TUESDAY NIGHT...CLEAR. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH. LOWS 2 TO 9.

$$

ORZ509-290200-
TAM MCARTHUR RIM-
356 AM PST SUN DEC 28 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS 16 TO 23.
.TONIGHT...SNOW LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 6 TO 13.
.MONDAY...SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST WINDS 10 TO 15 MPH SHIFTING
TO THE NORTHEAST IN THE AFTERNOON. HIGHS 8 TO 15.
.MONDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
LOWS 4 BELOW TO 3 ABOVE ZERO.
.TUESDAY...SUNNY. NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
HIGHS 4 TO 11.
.TUESDAY NIGHT...CLEAR. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH. LOWS 2 TO 9.

$$

ORZ509-290200-
NEWBERRY CRATER-
356 AM PST SUN DEC 28 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

.TODAY...MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 18 TO 25.
.TONIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER
MIDNIGHT. LOWS 7 TO 14.
.MONDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS 10 TO
15 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON. HIGHS 11 TO 18.
.MONDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH. LOWS 7 BELOW TO
ZERO.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS ZERO TO
7 ABOVE ZERO.
.TUESDAY NIGHT...CLEAR. NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE EVENING. LOWS 3 BELOW TO 4 ABOVE ZERO.

$$




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