Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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FWUS46 KPDT 042156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT MON MAY 4 2015

ORZ050-051300-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AFTER
MIDNIGHT. NORTHWEST WINDS AROUND 10 MPH. LOWS 23 TO 30.
.TUESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN PARTLY CLOUDY IN THE AFTERNOON. NORTHWEST WINDS
AROUND 10 MPH. HIGHS 33 TO 40.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH. LOWS
16 TO 23.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS BECOMING NORTHWEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 26 TO 33.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. NORTH WINDS AROUND
10 MPH. LOWS 15 TO 22.
.THURSDAY...CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SNOW SHOWERS. NORTH WINDS 10 TO 15 MPH. HIGHS 30 TO 37.

$$

ORZ050-051300-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AFTER
MIDNIGHT. NORTHWEST WINDS 10 TO 15 MPH. LOWS 31 TO 38.
.TUESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS IN THE
MORNING...THEN PARTLY CLOUDY IN THE AFTERNOON. NORTH WINDS 10 TO
15 MPH. HIGHS 44 TO 51.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH. LOWS
20 TO 27.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS...SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT WINDS
BECOMING NORTH AROUND 10 MPH IN THE AFTERNOON. HIGHS 36 TO 43.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NORTH WINDS AROUND 10 MPH.
LOWS 23 TO 30.
.THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
NORTH WINDS 10 TO 15 MPH. HIGHS 40 TO 47.

$$

ORZ050-062-051300-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AFTER
MIDNIGHT. SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE NORTH AFTER
MIDNIGHT. LOWS 31 TO 38.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING.
NORTH WINDS 10 TO 15 MPH. HIGHS 38 TO 45.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTHEAST WINDS AROUND 10 MPH
SHIFTING TO THE NORTH AFTER MIDNIGHT. LOWS 17 TO 24.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT WINDS BECOMING SOUTH
AROUND 10 MPH IN THE AFTERNOON. HIGHS 31 TO 38.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LIGHT WINDS
BECOMING NORTH 10 TO 15 MPH AFTER MIDNIGHT. LOWS 21 TO 28.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. NORTH WINDS
10 TO 20 MPH. HIGHS 36 TO 43.

$$

ORZ050-062-051300-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AFTER
MIDNIGHT. NORTHWEST WINDS 10 TO 15 MPH. LOWS 28 TO 35.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE MORNING. NORTHWEST WINDS 10 TO 15 MPH. HIGHS 38 TO 45.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS AROUND 10 MPH. LOWS
20 TO 27.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT WINDS BECOMING
NORTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS 33 TO 40.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. NORTHWEST WINDS AROUND 10 MPH. LOWS 21 TO
28.
.THURSDAY...CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SHOWERS IN THE
AFTERNOON. NORTH WINDS 10 TO 15 MPH. HIGHS 36 TO 43.

$$

ORZ050-062-051300-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AFTER
MIDNIGHT. WEST WINDS AROUND 10 MPH SHIFTING TO THE NORTH AFTER
MIDNIGHT. LOWS 29 TO 36.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE MORNING. NORTHWEST WINDS AROUND 10 MPH. HIGHS 35 TO 42.
.TUESDAY NIGHT...PARTLY CLOUDY. SOUTHEAST WINDS AROUND 10 MPH
SHIFTING TO THE NORTHWEST AFTER MIDNIGHT. LOWS 17 TO 24.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. LIGHT WINDS BECOMING NORTH AROUND 10 MPH IN THE AFTERNOON.
HIGHS 29 TO 36.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LIGHT WINDS BECOMING
NORTH 10 TO 15 MPH AFTER MIDNIGHT. LOWS 17 TO 24.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. NORTH WINDS
10 TO 20 MPH. HIGHS 32 TO 39.

$$

ORZ062-503-051300-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN PARTLY CLOUDY WITH ISOLATED SHOWERS AFTER MIDNIGHT.
NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST AFTER
MIDNIGHT. LOWS 24 TO 31.
.TUESDAY...PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.
NORTHWEST WINDS 10 TO 15 MPH. HIGHS 34 TO 41.
.TUESDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH. LOWS
18 TO 25.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NORTHWEST WINDS 10 TO
15 MPH. HIGHS 29 TO 36.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. NORTHWEST WINDS AROUND 10 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT. LOWS 17 TO 24.
.THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CHANCE OF SNOW SHOWERS IN THE AFTERNOON. NORTH WINDS
10 TO 20 MPH. HIGHS 31 TO 38.

$$

ORZ502-051300-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PDT MON MAY 4 2015

.TONIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. WEST WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 30 TO 37.
.TUESDAY...SUNNY. WEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
MORNING. HIGHS 43 TO 50.
.TUESDAY NIGHT...PARTLY CLOUDY. WEST WINDS 10 TO 15 MPH. LOWS 23 TO
30.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WEST WINDS UP
TO 10 MPH. HIGHS 39 TO 46.
.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SLIGHT
CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. WEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 24 TO 31.
.THURSDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE AFTERNOON.
NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.
HIGHS 44 TO 51.

$$





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