Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 202156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT SUN APR 20 2014

ORZ050-211300-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
AFTER MIDNIGHT. LOWS 26 TO 33.
.MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE
AFTERNOON. HIGHS 40 TO 47.
.MONDAY NIGHT...CHANCE OF RAIN AND SNOW IN THE EVENING...THEN SNOW
AND RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 22 TO 29.
.TUESDAY...SNOW SHOWERS. SNOW ACCUMULATION OF 2 TO 3 INCHES. SOUTH
WINDS 15 TO 20 MPH SHIFTING TO THE WEST 10 TO 15 MPH IN THE
AFTERNOON. GUSTS UP TO 30 MPH. HIGHS 24 TO 31.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS
13 TO 20.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION
AROUND 1 INCH. WEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
MORNING. HIGHS 25 TO 32.

$$

ORZ050-211300-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 28 TO 35.
.MONDAY...MOSTLY CLOUDY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. HIGHS 48 TO 55.
.MONDAY NIGHT...SLIGHT CHANCE OF RAIN IN THE EVENING...THEN RAIN
LIKELY AFTER MIDNIGHT. SOUTH WINDS AROUND 10 MPH. LOWS 27 TO 34.
.TUESDAY...SHOWERS IN THE MORNING...THEN SNOW SHOWERS WITH SHOWERS
LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH
WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON. HIGHS
31 TO 38.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION UP TO
1 INCH. NORTHWEST WINDS 10 TO 15 MPH. LOWS 20 TO 27.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. LIGHT WINDS
BECOMING WEST AROUND 10 MPH IN THE AFTERNOON. HIGHS 34 TO 41.

$$

ORZ050-062-211300-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS. LOWS 26 TO 33.
.MONDAY...MOSTLY CLOUDY. SOUTH WINDS AROUND 10 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. HIGHS 43 TO 50.
.MONDAY NIGHT...SLIGHT CHANCE OF RAIN IN THE EVENING...THEN RAIN
LIKELY AFTER MIDNIGHT. SOUTH WINDS UP TO 10 MPH. LOWS 26 TO 33.
.TUESDAY...SHOWERS AND SNOW SHOWERS IN THE MORNING...THEN SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH
WINDS 10 TO 15 MPH SHIFTING TO THE WEST IN THE AFTERNOON. HIGHS
28 TO 35.
.TUESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. NORTHWEST WINDS
10 TO 15 MPH. LOWS 17 TO 24.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION
UP TO 1 INCH. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 27 TO 34.

$$

ORZ050-062-211300-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
AFTER MIDNIGHT. LOWS 27 TO 34.
.MONDAY...MOSTLY CLOUDY. SOUTH WINDS AROUND 10 MPH INCREASING TO
15 TO 20 MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON. HIGHS 43 TO 48.
.MONDAY NIGHT...CHANCE OF RAIN IN THE EVENING...THEN RAIN AFTER
MIDNIGHT. SOUTH WINDS 10 TO 15 MPH. LOWS 26 TO 31.
.TUESDAY...SNOW SHOWERS AND SHOWERS IN THE MORNING...THEN SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. WEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 28 TO
33.
.TUESDAY NIGHT...CHANCE OF SNOW SHOWERS IN THE EVENING...THEN SNOW
SHOWERS LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH.
NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
LOWS 16 TO 23.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION
UP TO 1 INCH. WEST WINDS 10 TO 15 MPH. HIGHS 26 TO 33.

$$

ORZ050-062-211300-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR. LIGHT
WINDS. LOWS 26 TO 33.
.MONDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. SOUTH
WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS
40 TO 47.
.MONDAY NIGHT...CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE
EVENING...THEN SNOW WITH RAIN LIKELY AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 1 INCH. SOUTH WINDS AROUND 10 MPH. LOWS 23 TO 30.
.TUESDAY...SNOW SHOWERS AND SHOWERS IN THE MORNING...THEN SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTH
WINDS AROUND 10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP
TO 30 MPH. HIGHS 26 TO 33.
.TUESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. NORTHWEST WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING. LOWS 15 TO 22.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION
AROUND 1 INCH. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON. HIGHS 30 TO 36.

$$

ORZ062-503-211300-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH
AFTER MIDNIGHT. LOWS 28 TO 35.
.MONDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SLIGHT
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO 30 MPH. HIGHS 44 TO 51.
.MONDAY NIGHT...CHANCE OF RAIN AND SNOW IN THE EVENING...THEN RAIN
AND SNOW LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS AROUND 10 MPH. LOWS 20 TO 27.
.TUESDAY...SNOW SHOWERS. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS AROUND 10 MPH INCREASING TO NORTHWEST 15 TO 25 MPH IN THE
AFTERNOON. HIGHS 23 TO 30.
.TUESDAY NIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS
15 TO 25 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH AFTER
MIDNIGHT. LOWS 17 TO 24.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 31 TO 37.

$$

ORZ502-211300-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS BECOMING SOUTHEAST AROUND
10 MPH AFTER MIDNIGHT. LOWS 29 TO 36.
.MONDAY...MOSTLY CLOUDY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. HIGHS 54 TO 60.
.MONDAY NIGHT...CHANCE OF RAIN IN THE EVENING...THEN RAIN AFTER
MIDNIGHT. SOUTH WINDS AROUND 10 MPH SHIFTING TO THE WEST AFTER
MIDNIGHT. LOWS 26 TO 33.
.TUESDAY...SHOWERS LIKELY IN THE MORNING...THEN SNOW SHOWERS AND
SHOWERS LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 35 TO 41.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY AND CHANCE OF SHOWERS IN THE
EVENING...THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION
UP TO 1 INCH. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH. LOWS
23 TO 30.
.WEDNESDAY...CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
CHANCE OF SNOW SHOWERS AND SHOWERS IN THE AFTERNOON. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 35 MPH. HIGHS 37 TO 45.

$$

ORZ509-211300-
BROKEN TOP-
256 PM PDT SUN APR 20 2014

.TONIGHT...MOSTLY CLOUDY. EAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT. LOWS 26 TO 33.
.MONDAY...CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 35 TO 42.
.MONDAY NIGHT...SNOW AND RAIN IN THE EVENING...THEN SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 4 INCHES. WEST WINDS 10 TO 15 MPH.
LOWS 14 TO 21.
.TUESDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 19 TO 26.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO
2 INCHES. WEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 14 TO
21.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH. HIGHS 21 TO 28.

$$

ORZ509-211300-
TAM MCARTHUR RIM-
256 PM PDT SUN APR 20 2014

.TONIGHT...MOSTLY CLOUDY. EAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT. LOWS 27 TO 34.
.MONDAY...CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF
SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS AND SNOW SHOWERS IN
THE AFTERNOON. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 35 TO 42.
.MONDAY NIGHT...RAIN AND SNOW IN THE EVENING...THEN SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 4 INCHES. WEST WINDS 10 TO 15 MPH.
LOWS 14 TO 21.
.TUESDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND 1 INCH.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 18 TO 25.
.TUESDAY NIGHT...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND
1 INCH. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 14 TO 21.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW
ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH. HIGHS 20 TO 27.

$$

ORZ509-211300-
NEWBERRY CRATER-
256 PM PDT SUN APR 20 2014

.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
NORTH WINDS AROUND 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
LOWS 28 TO 35.
.MONDAY...CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING...THEN
CHANCE OF SHOWERS IN THE AFTERNOON. SOUTH WINDS 10 TO 20 MPH. GUSTS
UP TO 30 MPH IN THE AFTERNOON. HIGHS 47 TO 53.
.MONDAY NIGHT...RAIN LIKELY IN THE EVENING...THEN SNOW AND RAIN
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. WEST WINDS 10 TO
15 MPH. LOWS 18 TO 25.
.TUESDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION UP TO 2 INCHES.
WEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 27 TO 33.
.TUESDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 16 TO 23.
.WEDNESDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. WEST WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 31 TO 37.

$$





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