Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 191156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST THU JAN 19 2017

ORZ050-200200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN NUMEROUS SNOW
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. WEST
WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS 21 TO 28.
.TONIGHT...CLOUDY. CHANCE OF SNOW SHOWERS IN THE EVENING...THEN
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 12 TO 19.
.FRIDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. CHANCE
OF SNOW. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 15 TO 25 MPH
WITH GUSTS TO 35 MPH. HIGHS 18 TO 25.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 11 TO
18.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS 10 TO 15 MPH.
HIGHS 21 TO 28.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS 10 TO
15 MPH. LOWS 11 TO 18.

$$

ORZ050-200200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTH WINDS AROUND 10 MPH. HIGHS 23 TO 30.
.TONIGHT...CLOUDY. CHANCE OF SNOW SHOWERS IN THE EVENING...THEN
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 14 TO 21.
.FRIDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. CHANCE
OF SNOW. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO 30 MPH. HIGHS 21 TO 28.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS 10 TO 15 MPH. LOWS 15 TO 22.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. LITTLE OR NO SNOW
ACCUMULATION. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
AFTERNOON. HIGHS 22 TO 29.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS AROUND
10 MPH. LOWS 13 TO 20.

$$

ORZ050-062-200200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTH WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS 22 TO
29.
.TONIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 13 TO 20.
.FRIDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO 30 MPH. HIGHS 20 TO 27.
.FRIDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS 10 TO
15 MPH. LOWS 13 TO 20.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. LITTLE OR NO SNOW
ACCUMULATION. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE
AFTERNOON. HIGHS 21 TO 28.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. SOUTH WINDS AROUND 10 MPH. LOWS 12 TO 19.

$$

ORZ050-062-200200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTHWEST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS
21 TO 28.
.TONIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 14 TO 21.
.FRIDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 15 TO 20 MPH
WITH GUSTS TO 30 MPH. HIGHS 20 TO 27.
.FRIDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO
20 MPH. LOWS 14 TO 21.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. LITTLE OR NO SNOW
ACCUMULATION. SOUTH WINDS 10 TO 15 MPH. HIGHS 23 TO 30.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS 10 TO
15 MPH. LOWS 14 TO 21.

$$

ORZ050-062-200200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTHWEST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS
21 TO 28.
.TONIGHT...CLOUDY WITH CHANCE OF SNOW SHOWERS. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 13 TO 20.
.FRIDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS 10 TO 20 MPH
WITH GUSTS TO 30 MPH. HIGHS 18 TO 25.
.FRIDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO 25 MPH. LOWS 12 TO 19.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. LITTLE OR NO SNOW
ACCUMULATION. LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON. HIGHS 20 TO 27.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. SOUTH WINDS 10 TO 15 MPH. LOWS 12 TO 19.

$$

ORZ062-503-200200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTHWEST WINDS AROUND 10 MPH. HIGHS 21 TO 28.
.TONIGHT...CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. SOUTH WINDS
AROUND 10 MPH INCREASING TO 15 TO 20 MPH WITH GUSTS TO 30 MPH AFTER
MIDNIGHT. LOWS 12 TO 19.
.FRIDAY...CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS 15 TO 25 MPH
WITH GUSTS TO 40 MPH. HIGHS 19 TO 26.
.FRIDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 15 TO
25 MPH. LOWS 13 TO 20.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. SOUTHWEST WINDS AROUND
10 MPH. HIGHS 23 TO 30.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. SOUTH WINDS 10 TO 15 MPH. LOWS 13 TO 20.

$$

ORZ502-200200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST THU JAN 19 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON PST TODAY...

.TODAY...WIDESPREAD SNOW SHOWERS IN THE MORNING...THEN SCATTERED
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 25 MPH. HIGHS 25 TO 32.
.TONIGHT...MOSTLY CLOUDY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH AFTER MIDNIGHT. LOWS 15 TO 22.
.FRIDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH CHANCE OF
SNOW IN THE AFTERNOON. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO
35 MPH. HIGHS 23 TO 30.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO 30 MPH. LOWS 17 TO 24.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS UP TO 10 MPH.
HIGHS 23 TO 30.
.SATURDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SOUTH WINDS 10 TO
15 MPH. LOWS 13 TO 20.

$$

ORZ509-200200-
BROKEN TOP-
356 AM PST THU JAN 19 2017

.TODAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
SCATTERED SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. HIGHS 24 TO 31.
.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
AFTER MIDNIGHT. LOWS 18 TO 25.
.FRIDAY...SNOW. SNOW ACCUMULATION AROUND 2 INCHES. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 22 TO 29.
.FRIDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS 10 TO
15 MPH. LOWS 16 TO 23.
.SATURDAY...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST
WINDS 10 TO 15 MPH. HIGHS 22 TO 29.
.SATURDAY NIGHT...SNOW. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST
WINDS 15 TO 20 MPH SHIFTING TO THE SOUTH 20 TO 30 MPH AFTER
MIDNIGHT. LOWS 17 TO 24.

$$

ORZ509-200200-
TAM MCARTHUR RIM-
356 AM PST THU JAN 19 2017

.TODAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
SCATTERED SNOW SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 23 TO
30.
.TONIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
EVENING...THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SOUTH WINDS
10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 18 TO 25.
.FRIDAY...SNOW. SNOW ACCUMULATION AROUND 2 INCHES. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 25 MPH IN THE MORNING. HIGHS 22 TO 29.
.FRIDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS AROUND
10 MPH. LOWS 16 TO 23.
.SATURDAY...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST
WINDS 10 TO 15 MPH. HIGHS 22 TO 29.
.SATURDAY NIGHT...SNOW. SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST
WINDS 10 TO 15 MPH INCREASING TO SOUTH 20 TO 30 MPH AFTER MIDNIGHT.
LOWS 18 TO 25.

$$

ORZ509-200200-
NEWBERRY CRATER-
356 AM PST THU JAN 19 2017

.TODAY...CLOUDY WITH SCATTERED SNOW SHOWERS IN THE MORNING...THEN
MOSTLY CLOUDY WITH ISOLATED SNOW SHOWERS IN THE AFTERNOON. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. HIGHS 22 TO 29.
.TONIGHT...CLOUDY. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SOUTH
WINDS 10 TO 20 MPH. GUSTS UP TO 25 MPH INCREASING TO 35 MPH AFTER
MIDNIGHT. LOWS 15 TO 22.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTH WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH DECREASING TO 10 TO 15 MPH WITH
GUSTS TO 25 MPH IN THE AFTERNOON. HIGHS 21 TO 28.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. LITTLE OR NO SNOW
ACCUMULATION. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH AFTER
MIDNIGHT. LOWS 16 TO 23.
.SATURDAY...CLOUDY WITH CHANCE OF SNOW. LITTLE OR NO SNOW
ACCUMULATION. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 22 TO 29.
.SATURDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION UP TO 1 INCH.
SOUTHWEST WINDS 10 TO 15 MPH INCREASING TO SOUTH 20 TO 30 MPH AFTER
MIDNIGHT. LOWS 16 TO 23.

$$


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