Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 181156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST WED JAN 18 2017

ORZ050-190200-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PST WED JAN 18 2017

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...

.TODAY...SNOW. SNOW ACCUMULATION OF 3 TO 5 INCHES. SOUTHWEST WINDS
20 TO 35 MPH WITH GUSTS TO 45 MPH. HIGHS 24 TO 31.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTH WINDS 20 TO 30 MPH WITH
GUSTS TO 40 MPH. LOWS 19 TO 26.
.THURSDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTHWEST WINDS AROUND 10 MPH. HIGHS 24 TO 31.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH AFTER MIDNIGHT.
LOWS 13 TO 20.
.FRIDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION AROUND
1 INCH. SOUTH WINDS 10 TO 15 MPH. HIGHS 19 TO 26.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION AROUND
1 INCH. SOUTH WINDS 10 TO 15 MPH. LOWS 12 TO 19.

$$

ORZ050-190200-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PST WED JAN 18 2017

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...

.TODAY...SNOW. SNOW ACCUMULATION OF 2 TO 4 INCHES. SOUTH WINDS 15 TO
20 MPH WITH GUSTS TO 35 MPH. HIGHS 24 TO 31.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 4 INCHES. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO 30 MPH. LOWS 20 TO 27.
.THURSDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND 1 INCH.
SOUTH WINDS AROUND 10 MPH. HIGHS 26 TO 33.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS. LOWS 15 TO 22.
.FRIDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH IN THE AFTERNOON.
HIGHS 22 TO 29.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS AROUND 10 MPH. LOWS 14 TO 21.

$$

ORZ050-062-190200-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PST WED JAN 18 2017

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...

.TODAY...SNOW. SNOW ACCUMULATION OF 4 TO 5 INCHES. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 24 TO 31.
.TONIGHT...SNOW. SNOW ACCUMULATION OF 4 TO 6 INCHES. SOUTH WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 19 TO 26.
.THURSDAY...SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO 2 INCHES.
SOUTHWEST WINDS AROUND 10 MPH. HIGHS 24 TO 31.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS. LOWS 13 TO 20.
.FRIDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO 15 MPH. HIGHS
18 TO 25.
.FRIDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION UP TO 1 INCH. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH. LOWS 13 TO 20.

$$

ORZ050-062-190200-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PST WED JAN 18 2017

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...

.TODAY...SNOW. SNOW ACCUMULATION OF 4 TO 6 INCHES. SOUTH WINDS 15 TO
25 MPH WITH GUSTS TO 40 MPH. HIGHS 23 TO 30.
.TONIGHT...SNOW. SNOW ACCUMULATION OF 3 TO 4 INCHES. SOUTH WINDS
15 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO
35 MPH. LOWS 20 TO 27.
.THURSDAY...SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. SOUTHWEST WINDS
AROUND 10 MPH. HIGHS 25 TO 32.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. LIGHT WINDS BECOMING
SOUTH AROUND 10 MPH AFTER MIDNIGHT. LOWS 14 TO 21.
.FRIDAY...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS 20 TO 27.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
LOWS 13 TO 20.

$$

ORZ050-062-190200-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PST WED JAN 18 2017

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...

.TODAY...SNOW. SNOW ACCUMULATION OF 5 TO 6 INCHES. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. HIGHS 22 TO 29.
.TONIGHT...SNOW. SNOW ACCUMULATION OF 3 TO 6 INCHES. SOUTH WINDS
10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 18 TO 25.
.THURSDAY...SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST
WINDS AROUND 10 MPH. HIGHS 24 TO 31.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP
TO 1 INCH. LIGHT WINDS BECOMING SOUTH AROUND 10 MPH AFTER MIDNIGHT.
LOWS 12 TO 19.
.FRIDAY...SNOW LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO 20 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON. HIGHS 18 TO 25.
.FRIDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION UP TO 1 INCH. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 11 TO 18.

$$

ORZ062-503-190200-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PST WED JAN 18 2017

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

.TODAY...SNOW. SNOW ACCUMULATION OF 3 TO 5 INCHES. SOUTH WINDS 15 TO
25 MPH WITH GUSTS TO 35 MPH. HIGHS 23 TO 30.
.TONIGHT...SNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTH WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS 18 TO 25.
.THURSDAY...SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. LIGHT WINDS
BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON. HIGHS 23 TO 30.
.THURSDAY NIGHT...CLOUDY WITH SLIGHT CHANCE OF SNOW. LIGHT WINDS
BECOMING SOUTH AROUND 10 MPH AFTER MIDNIGHT. LOWS 15 TO 22.
.FRIDAY...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. SOUTH WINDS
10 TO 20 MPH. GUSTS UP TO 25 MPH INCREASING TO 35 MPH IN THE
AFTERNOON. HIGHS 17 TO 24.
.FRIDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 11 TO 18.

$$

ORZ502-190200-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PST WED JAN 18 2017

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

.TODAY...RAIN AND SNOW. SNOW ACCUMULATION UP TO 8 INCHES. SOUTH
WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. HIGHS 27 TO 34.
.TONIGHT...SNOW. SNOW ACCUMULATION UP TO 2 INCHES. SOUTH WINDS 15 TO
25 MPH WITH GUSTS TO 40 MPH. LOWS 23 TO 30.
.THURSDAY...SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH. HIGHS 28 TO 35.
.THURSDAY NIGHT...CLOUDY WITH SLIGHT CHANCE OF SNOW. SOUTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AROUND 10 MPH AFTER MIDNIGHT.
LOWS 16 TO 23.
.FRIDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY. CHANCE
OF SNOW. SOUTH WINDS UP TO 10 MPH. HIGHS 24 TO 31.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS 10 TO 15 MPH. LOWS 14 TO 21.

$$

ORZ509-190200-
BROKEN TOP-
356 AM PST WED JAN 18 2017

.TODAY...RAIN AND SNOW IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 25 TO 40 MPH WITH
GUSTS TO 50 MPH. HIGHS 30 TO 37.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 3 INCHES. SOUTHWEST WINDS 20 TO 30 MPH
WITH GUSTS TO 40 MPH DECREASING TO 15 TO 20 MPH WITH GUSTS TO 30 MPH
AFTER MIDNIGHT. LOWS 18 TO 25.
.THURSDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP
TO 1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS
25 TO 32.
.THURSDAY NIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO 20 MPH.
GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 15 TO 22.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTH WINDS
10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 21 TO 28.
.FRIDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH.
SOUTHWEST WINDS 10 TO 15 MPH. LOWS 13 TO 20.

$$

ORZ509-190200-
TAM MCARTHUR RIM-
356 AM PST WED JAN 18 2017

.TODAY...RAIN IN THE MORNING...THEN SNOW IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 3 INCHES. SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS
TO 50 MPH. HIGHS 30 TO 37.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTHWEST WINDS 20 TO 30 MPH
WITH GUSTS TO 40 MPH DECREASING TO 15 TO 20 MPH WITH GUSTS TO 30 MPH
AFTER MIDNIGHT. LOWS 19 TO 26.
.THURSDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS. SNOW ACCUMULATION UP
TO 1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS
26 TO 33.
.THURSDAY NIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 15 TO 22.
.FRIDAY...SNOW. SNOW ACCUMULATION OF 1 TO 2 INCHES. SOUTH WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 21 TO 28.
.FRIDAY NIGHT...SNOW LIKELY. SNOW ACCUMULATION AROUND 1 INCH.
SOUTHWEST WINDS 10 TO 15 MPH. LOWS 13 TO 20.

$$

ORZ509-190200-
NEWBERRY CRATER-
356 AM PST WED JAN 18 2017

.TODAY...RAIN IN THE MORNING...THEN SNOW IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. SOUTH WINDS 30 TO 45 MPH WITH GUSTS TO
55 MPH. HIGHS 28 TO 35.
.TONIGHT...SNOW IN THE EVENING...THEN SNOW LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 30 TO 40 MPH WITH
GUSTS TO 50 MPH DECREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH
AFTER MIDNIGHT. LOWS 20 TO 27.
.THURSDAY...MOSTLY CLOUDY IN THE MORNING THEN BECOMING CLOUDY.
CHANCE OF SNOW SHOWERS. WEST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH. HIGHS
25 TO 32.
.THURSDAY NIGHT...CHANCE OF SNOW IN THE EVENING...THEN SNOW LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. 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 AROUND 1 INCH. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 30 MPH IN THE MORNING. HIGHS 21 TO 28.
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SNOW. SNOW ACCUMULATION AROUND
1 INCH. SOUTHWEST WINDS 10 TO 15 MPH. LOWS 13 TO 20.

$$


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