Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 221156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST MON DEC 22 2014

ORZ050-230200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH. HIGHS 17 TO 24.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
NORTHWEST WINDS 10 TO 15 MPH. LOWS 10 TO 17.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
WEST WINDS AROUND 10 MPH. HIGHS 26 TO 33.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. SOUTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 21 TO 28.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. HIGHS 22 TO 29.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 7 TO 14.

$$

ORZ050-230200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. NORTHWEST WINDS
AROUND 10 MPH. HIGHS 24 TO 31.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
LIGHT WINDS. LOWS 13 TO 20.
.TUESDAY...MOSTLY CLOUDY. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH
IN THE AFTERNOON. HIGHS 26 TO 33.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. SOUTH WINDS 10 TO 15 MPH.
LOWS 21 TO 28.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN
SNOW LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES.
SOUTH WINDS 10 TO 15 MPH. HIGHS 24 TO 31.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION AROUND 2 INCHES.
SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE NORTHWEST AFTER
MIDNIGHT. LOWS 13 TO 20.

$$

ORZ050-062-230200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...SNOW LIKELY IN THE MORNING...THEN SLIGHT CHANCE OF SNOW IN
THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS 10 TO
15 MPH. HIGHS 24 TO 31.
.TONIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 11 TO 18.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS
25 TO 32.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH CHANCE OF SNOW AFTER MIDNIGHT. SOUTHWEST WINDS 10 TO 15 MPH.
LOWS 19 TO 26.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 24 TO 31.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES.
SOUTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST 15 TO 25 MPH
WITH GUSTS TO 35 MPH AFTER MIDNIGHT. LOWS 10 TO 16.

$$

ORZ050-062-230200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS 10 TO 15 MPH. HIGHS 22 TO
29.
.TONIGHT...MOSTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 11 TO 18.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE AFTERNOON. HIGHS
27 TO 34.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. SOUTH WINDS 10 TO 15 MPH.
LOWS 21 TO 28.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH WINDS 10 TO
15 MPH. HIGHS 24 TO 31.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT. LOWS 10 TO
17.

$$

ORZ050-062-230200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...SNOW LIKELY IN THE MORNING...THEN MOSTLY CLOUDY WITH SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. HIGHS 21 TO 28.
.TONIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH. LOWS 11 TO
18.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE MORNING...
THEN MOSTLY CLOUDY IN THE AFTERNOON. WEST WINDS AROUND 10 MPH. HIGHS
25 TO 32.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH CHANCE OF SNOW AFTER MIDNIGHT. SOUTHWEST WINDS 10 TO 15 MPH.
LOWS 19 TO 26.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH. HIGHS 23 TO 30.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST 15 TO 25 MPH WITH GUSTS
TO 40 MPH AFTER MIDNIGHT. LOWS 6 TO 14.

$$

ORZ062-503-230200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...WIDESPREAD SNOW IN THE MORNING...THEN MOSTLY CLOUDY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS 20 TO
30 MPH DECREASING TO 10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE
AFTERNOON. HIGHS 24 TO 31.
.TONIGHT...MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY.
NORTHWEST WINDS 10 TO 15 MPH. LOWS 14 TO 21.
.TUESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE MORNING...
THEN PARTLY CLOUDY IN THE AFTERNOON. WEST WINDS AROUND 10 MPH. HIGHS
30 TO 37.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH CHANCE OF SNOW AFTER MIDNIGHT. SOUTHWEST WINDS 10 TO 15 MPH.
LOWS 22 TO 29.
.WEDNESDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTHWEST WINDS 15 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 28 TO 35.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 15 TO 20 MPH SHIFTING TO THE NORTHWEST 20 TO 30 MPH WITH GUSTS
TO 45 MPH AFTER MIDNIGHT. LOWS 5 TO 15.

$$

ORZ502-230200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST MON DEC 22 2014

.TODAY...MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING. WEST WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 29 TO 36.
.TONIGHT...PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
LIGHT WINDS. LOWS 20 TO 27.
.TUESDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
SOUTH WINDS 10 TO 15 MPH. HIGHS 33 TO 40.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP
TO 30 MPH AFTER MIDNIGHT. LOWS 25 TO 32.
.WEDNESDAY...RAIN LIKELY IN THE MORNING...THEN RAIN AND SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO 30 MPH. HIGHS 28 TO 35.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 16 TO 23.

$$

ORZ509-230200-
BROKEN TOP-
356 AM PST MON DEC 22 2014

.TODAY...SNOW LIKELY IN THE MORNING...THEN MOSTLY CLOUDY WITH CHANCE
OF SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. WEST
WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH IN THE AFTERNOON.
HIGHS 31 TO 38.
.TONIGHT...MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN AFTER MIDNIGHT.
WEST WINDS 10 TO 15 MPH. LOWS 26 TO 33.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 35 TO 42.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. LOWS 25 TO 32.
.WEDNESDAY...SNOW AND RAIN LIKELY IN THE MORNING...THEN SNOW LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. SOUTHWEST WINDS
15 TO 25 MPH. HIGHS 27 TO 34.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. WEST
WINDS 15 TO 25 MPH. LOWS 13 TO 20.

$$

ORZ509-230200-
TAM MCARTHUR RIM-
356 AM PST MON DEC 22 2014

.TODAY...SNOW LIKELY IN THE MORNING...THEN MOSTLY CLOUDY WITH CHANCE
OF SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 31 TO 38.
.TONIGHT...MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN AFTER MIDNIGHT.
WEST WINDS 10 TO 15 MPH. LOWS 26 TO 33.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 36 TO 43.
.TUESDAY NIGHT...PARTLY CLOUDY IN THE EVENING...THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WEST WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 25 TO 32.
.WEDNESDAY...RAIN AND SNOW LIKELY IN THE MORNING...THEN SNOW LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 27 TO 34.
.WEDNESDAY NIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS 15 TO 25 MPH. LOWS 14 TO 21.

$$

ORZ509-230200-
NEWBERRY CRATER-
356 AM PST MON DEC 22 2014

.TODAY...CLOUDY WITH CHANCE OF SNOW IN THE MORNING...THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WEST WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH SHIFTING TO THE NORTHWEST 10 TO 15 MPH
WITH GUSTS TO 25 MPH IN THE AFTERNOON. HIGHS 33 TO 40.
.TONIGHT...MOSTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH IN THE
EVENING BECOMING LIGHT. LOWS 25 TO 32.
.TUESDAY...PARTLY CLOUDY. SOUTHWEST WINDS AROUND 10 MPH. HIGHS 38 TO
45.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS
UP TO 25 MPH AFTER MIDNIGHT. LOWS 27 TO 34.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE MORNING...THEN
RAIN AND SNOW LIKELY IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS
29 TO 36.
.WEDNESDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION UP TO 1 INCH. WEST
WINDS 15 TO 25 MPH. LOWS 13 TO 20.

$$





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