Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 181156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST THU DEC 18 2014

ORZ050-190200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SNOW SHOWERS IN THE AFTERNOON. SOUTHWEST WINDS AROUND
10 MPH. HIGHS 22 TO 29.
.TONIGHT...CLOUDY. CHANCE OF SNOW AFTER MIDNIGHT. SOUTHWEST WINDS
15 TO 25 MPH. LOWS 20 TO 27.
.FRIDAY...SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON.
SNOW ACCUMULATION AROUND 2 INCHES. SOUTHWEST WINDS 10 TO 20 MPH.
GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 22 TO 29.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. WEST WINDS AROUND 10 MPH
IN THE EVENING BECOMING LIGHT. LOWS 17 TO 24.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO
15 MPH. HIGHS 23 TO 30.
.SATURDAY NIGHT...SNOW. SNOW ACCUMULATION OF 4 TO 6 INCHES.
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. LOWS 22 TO 29.

$$

ORZ050-190200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SNOW SHOWERS IN THE AFTERNOON. SOUTH WINDS AROUND 10 MPH.
HIGHS 25 TO 32.
.TONIGHT...CLOUDY. CHANCE OF SNOW AFTER MIDNIGHT. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 21 TO 28.
.FRIDAY...SNOW LIKELY. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTH
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 26 TO
33.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS. LOWS 17 TO 24.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH WINDS 10 TO
15 MPH. HIGHS 26 TO 33.
.SATURDAY NIGHT...SNOW AND RAIN IN THE EVENING...THEN SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 8 INCHES. SOUTH WINDS 10 TO
20 MPH. LOWS 22 TO 29.

$$

ORZ050-062-190200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS AROUND 10 MPH. HIGHS 22 TO 29.
.TONIGHT...CLOUDY. SLIGHT CHANCE OF SNOW IN THE EVENING...THEN
CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING. LOWS 20 TO
27.
.FRIDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTH WINDS 10 TO 15 MPH. GUSTS
UP TO 25 MPH IN THE MORNING. HIGHS 23 TO 30.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH AFTER MIDNIGHT.
LOWS 16 TO 23.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 5 INCHES. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 24 TO 31.
.SATURDAY NIGHT...SNOW. SNOW ACCUMULATION OF 6 TO 9 INCHES. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. LOWS 21 TO 28.

$$

ORZ050-062-190200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SNOW SHOWERS IN THE AFTERNOON. SOUTH WINDS AROUND 10 MPH IN
THE MORNING BECOMING LIGHT. HIGHS 22 TO 29.
.TONIGHT...CLOUDY. CHANCE OF SNOW AFTER MIDNIGHT. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. LOWS 20 TO 27.
.FRIDAY...SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTH WINDS 10 TO 15 MPH. HIGHS
23 TO 30.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. LIGHT WINDS. LOWS 18 TO
25.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH WINDS 10 TO
15 MPH. HIGHS 23 TO 30.
.SATURDAY NIGHT...SNOW AND RAIN IN THE EVENING...THEN SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 7 INCHES. SOUTH WINDS 15 TO 25 MPH
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 35 MPH. LOWS
23 TO 30.

$$

ORZ050-062-190200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS AROUND 10 MPH. HIGHS 21 TO 28.
.TONIGHT...CLOUDY. SLIGHT CHANCE OF SNOW IN THE EVENING...THEN
CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 19 TO 26.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTH WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 22 TO 29.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS. LOWS 15 TO 22.
.SATURDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 5 INCHES. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 23 TO 30.
.SATURDAY NIGHT...SNOW. SNOW ACCUMULATION OF 5 TO 9 INCHES.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 22 TO 29.

$$

ORZ062-503-190200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SNOW SHOWERS IN THE AFTERNOON. SOUTHWEST WINDS 10 TO
15 MPH. HIGHS 25 TO 32.
.TONIGHT...SLIGHT CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 15 TO
20 MPH WITH GUSTS TO 30 MPH. LOWS 23 TO 30.
.FRIDAY...SNOW LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST
WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 25 TO
32.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS AROUND
10 MPH. LOWS 16 TO 23.
.SATURDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 2 INCHES. SOUTHWEST WINDS 10 TO 20 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 26 TO 33.
.SATURDAY NIGHT...RAIN AND SNOW IN THE EVENING...THEN SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 5 INCHES. SOUTHWEST WINDS 20 TO
30 MPH. GUSTS UP TO 40 MPH AFTER MIDNIGHT. LOWS 26 TO 33.

$$

ORZ502-190200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING...THEN
ISOLATED SHOWERS AND SNOW SHOWERS IN THE AFTERNOON. SOUTHWEST WINDS
AROUND 10 MPH. HIGHS 31 TO 38.
.TONIGHT...CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE EVENING...
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. SOUTH WINDS 10 TO
15 MPH INCREASING TO 15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO
35 MPH. LOWS 25 TO 32.
.FRIDAY...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 30 MPH. HIGHS 32 TO 39.
.FRIDAY NIGHT...CLOUDY. SLIGHT CHANCE OF SNOW IN THE EVENING...THEN
CHANCE OF SNOW AFTER MIDNIGHT. SOUTH WINDS UP TO 10 MPH. LOWS 22 TO
29.
.SATURDAY...SLIGHT CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS
10 TO 15 MPH SHIFTING TO THE SOUTH 15 TO 25 MPH IN THE AFTERNOON.
GUSTS UP TO 35 MPH. HIGHS 34 TO 41.
.SATURDAY NIGHT...RAIN. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO
40 MPH. LOWS 29 TO 36.

$$

ORZ509-190200-
BROKEN TOP-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY WITH ISOLATED SNOW SHOWERS. SOUTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 27 TO 34.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 10 TO 15 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT. LOWS
22 TO 29.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH SHIFTING TO THE WEST 10 TO 15 MPH
IN THE AFTERNOON. HIGHS 24 TO 31.
.FRIDAY NIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS
10 TO 15 MPH. LOWS 20 TO 27.
.SATURDAY...SNOW. SNOW ACCUMULATION OF 3 TO 9 INCHES. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH INCREASING TO 20 TO 30 MPH
WITH GUSTS TO 40 MPH IN THE AFTERNOON. HIGHS 27 TO 34.
.SATURDAY NIGHT...RAIN IN THE EVENING...THEN RAIN AND SNOW AFTER
MIDNIGHT. NO SNOW ACCUMULATION. SOUTHWEST WINDS 35 TO 45 MPH WITH
GUSTS TO 65 MPH. LOWS 26 TO 33.

$$

ORZ509-190200-
TAM MCARTHUR RIM-
356 AM PST THU DEC 18 2014

.TODAY...CLOUDY WITH ISOLATED SNOW SHOWERS. SOUTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. HIGHS 27 TO 34.
.TONIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST WINDS 10 TO 15 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT. LOWS
22 TO 29.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 24 TO 31.
.FRIDAY NIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. SOUTHWEST WINDS
10 TO 15 MPH. LOWS 20 TO 27.
.SATURDAY...SNOW. SNOW ACCUMULATION OF 3 TO 7 INCHES. SOUTHWEST
WINDS 10 TO 20 MPH INCREASING TO 20 TO 30 MPH IN THE AFTERNOON.
HIGHS 27 TO 34.
.SATURDAY NIGHT...RAIN. SOUTHWEST WINDS 30 TO 45 MPH WITH GUSTS TO
60 MPH. LOWS 26 TO 33.

$$

ORZ509-190200-
NEWBERRY CRATER-
356 AM PST THU DEC 18 2014

.TODAY...MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH IN THE AFTERNOON. HIGHS 28 TO 35.
.TONIGHT...CHANCE OF SNOW AND RAIN IN THE EVENING...THEN SNOW LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS
10 TO 15 MPH INCREASING TO 15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO
35 MPH. LOWS 21 TO 28.
.FRIDAY...SNOW IN THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON.
SNOW ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH. HIGHS 25 TO 32.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS 10 TO
15 MPH. LOWS 16 TO 23.
.SATURDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST WINDS 15 TO 20 MPH
INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. HIGHS 29 TO 36.
.SATURDAY NIGHT...RAIN. SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO
50 MPH. LOWS 27 TO 34.

$$





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