Snow Avalanche Guidance
Issued by NWS Pendleton, OR

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000
FWUS46 KPDT 191056
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT WED JUN 19 2013

ORZ050-200100-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SHOWERS AND SNOW SHOWERS IN THE MORNING...THEN
WIDESPREAD SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 4 INCHES. NORTHWEST WINDS 10 TO 15 MPH.
HIGHS 29 TO 36.
.TONIGHT...SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. SNOW
ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 15 MPH. LOWS 21 TO 28.
.THURSDAY...CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 32 TO 39.
.THURSDAY NIGHT...CLOUDY. CHANCE OF SNOW SHOWERS...SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WEST WINDS AROUND 10 MPH IN THE EVENING
BECOMING LIGHT. LOWS 23 TO 30.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...
THEN CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE AFTERNOON. HIGHS
34 TO 41.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF
SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NORTHWEST
WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS 27 TO 34.

$$

ORZ050-200100-
SALT CREEK AREA 5000 TO 7000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SHOWERS IN THE MORNING...THEN WIDESPREAD SHOWERS
AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. NORTHWEST WINDS AROUND
10 MPH. HIGHS 38 TO 45.
.TONIGHT...SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN CHANCE OF SHOWERS AFTER MIDNIGHT. LIGHT WINDS. LOWS
28 TO 35.
.THURSDAY...CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON. HIGHS
43 TO 50.
.THURSDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. LIGHT WINDS. LOWS 30 TO 37.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. LIGHT WINDS BECOMING SOUTHEAST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 44 TO 51.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. NORTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT.
LOWS 32 TO 39.

$$

ORZ050-062-200100-
CLEAR CREEK AREA 6000 TO 8000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SHOWERS IN THE MORNING...THEN WIDESPREAD
SHOWERS...SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 1 INCH. NORTHWEST WINDS AROUND 10 MPH IN THE
MORNING BECOMING LIGHT. HIGHS 36 TO 43.
.TONIGHT...SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING...THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LIGHT WINDS. LOWS 26 TO
33.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SHOWERS IN
THE MORNING...THEN CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOUTHWEST WINDS
AROUND 10 MPH. HIGHS 44 TO 50.
.THURSDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF
SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LIGHT WINDS. LOWS 28 TO 35.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. NO SNOW ACCUMULATION. LIGHT WINDS BECOMING
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS 46 TO 52.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. LIGHT WINDS. LOWS 30 TO 37.

$$

ORZ050-062-200100-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SHOWERS IN THE MORNING...THEN WIDESPREAD
SHOWERS...SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 2 INCHES. NORTHWEST WINDS 10 TO 15 MPH.
HIGHS 31 TO 38.
.TONIGHT...SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH. LOWS 23 TO
30.
.THURSDAY...CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS
36 TO 42.
.THURSDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. WEST WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT.
LOWS 25 TO 32.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON. HIGHS 39 TO 46.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. NORTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT. LOWS 31 TO 38.

$$

ORZ050-062-200100-
NORWAY AREA 7000 TO 10000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SHOWERS AND SNOW SHOWERS IN THE MORNING...THEN
WIDESPREAD SNOW SHOWERS...SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. WEST WINDS AROUND
10 MPH. HIGHS 37 TO 43.
.TONIGHT...SNOW SHOWERS...SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING...THEN CHANCE OF SNOW SHOWERS AND SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS AROUND 10 MPH.
LOWS 23 TO 30.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CLOUDY WITH CHANCE OF SNOW SHOWERS...SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOUTHWEST WINDS
10 TO 15 MPH. HIGHS 40 TO 46.
.THURSDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS...SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF
SNOW SHOWERS AND SHOWERS AFTER MIDNIGHT. WEST WINDS AROUND 10 MPH IN
THE EVENING BECOMING LIGHT. LOWS 25 TO 32.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE AFTERNOON. HIGHS
42 TO 48.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF
SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW
ACCUMULATION. NORTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT. LOWS 28 TO 35.

$$

ORZ062-503-200100-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SNOW SHOWERS AND SHOWERS IN THE MORNING...THEN
WIDESPREAD SNOW SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 3 INCHES. NORTHWEST WINDS 15 TO 25 MPH WITH
GUSTS TO 35 MPH SHIFTING TO THE WEST 10 TO 15 MPH WITH GUSTS TO
25 MPH IN THE AFTERNOON. HIGHS 31 TO 38.
.TONIGHT...SNOW SHOWERS...SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH.
GUSTS UP TO 25 MPH AFTER MIDNIGHT. LOWS 21 TO 28.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CLOUDY WITH CHANCE OF SNOW SHOWERS...SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WEST WINDS AROUND
10 MPH. HIGHS 35 TO 42.
.THURSDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SLIGHT CHANCE
OF THUNDERSTORMS AND SNOW SHOWERS IN THE EVENING...THEN CHANCE OF
SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. NORTHWEST WINDS 10 TO
15 MPH. LOWS 23 TO 30.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS IN THE
MORNING...THEN CHANCE OF SHOWERS...SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST
WINDS AROUND 10 MPH. HIGHS 36 TO 43.
.FRIDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN PARTLY
CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS AFTER
MIDNIGHT. NO SNOW ACCUMULATION. NORTHWEST WINDS AROUND 10 MPH. LOWS
27 TO 34.

$$

ORZ502-200100-
BLUE MOUNTAINS 4000 TO 6000 FEET-
356 AM PDT WED JUN 19 2013

.TODAY...WIDESPREAD SHOWERS IN THE MORNING...THEN WIDESPREAD SHOWERS
AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. WEST WINDS 10 TO 15 MPH
WITH GUSTS TO 25 MPH. HIGHS 47 TO 53.
.TONIGHT...SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN CHANCE OF SHOWERS AFTER MIDNIGHT. WEST WINDS 10 TO
20 MPH WITH GUSTS TO 30 MPH. LOWS 31 TO 38.
.THURSDAY...CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. HIGHS 49 TO 57.
.THURSDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. WEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH SHIFTING TO
THE SOUTHWEST AROUND 10 MPH AFTER MIDNIGHT. LOWS 31 TO 38.
.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. WEST WINDS 10 TO
15 MPH. HIGHS 49 TO 57.
.FRIDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING...
THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WEST WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT. LOWS 35 TO 42.

$$

ORZ509-200100-
BROKEN TOP-
356 AM PDT WED JUN 19 2013

.TODAY...NUMEROUS SNOW SHOWERS IN THE MORNING...THEN NUMEROUS SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. HIGHS 32 TO 39.
.TONIGHT...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. WEST WINDS 10 TO 20 MPH.
GUSTS UP TO 30 MPH IN THE EVENING. LOWS 23 TO 30.
.THURSDAY...CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
CHANCE OF SNOW SHOWERS AND SHOWERS IN THE AFTERNOON. WEST WINDS
AROUND 10 MPH. HIGHS 40 TO 47.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. WEST WINDS 10 TO 15 MPH. LOWS 26 TO 33.
.FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
LIGHT WINDS BECOMING NORTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS
44 TO 51.
.FRIDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH IN THE
EVENING BECOMING LIGHT. LOWS 29 TO 36.

$$

ORZ509-200100-
TAM MCARTHUR RIM-
356 AM PDT WED JUN 19 2013

.TODAY...NUMEROUS SNOW SHOWERS IN THE MORNING...THEN NUMEROUS SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION AROUND 1 INCH. WEST WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. HIGHS 32 TO 39.
.TONIGHT...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. WEST WINDS 10 TO 20 MPH.
GUSTS UP TO 30 MPH IN THE EVENING. LOWS 22 TO 29.
.THURSDAY...CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
CHANCE OF SNOW SHOWERS AND SHOWERS IN THE AFTERNOON. WEST WINDS
AROUND 10 MPH. HIGHS 40 TO 47.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. WEST WINDS 10 TO 15 MPH. LOWS 26 TO 33.
.FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
LIGHT WINDS BECOMING NORTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS
39 TO 46.
.FRIDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH IN THE
EVENING BECOMING LIGHT. LOWS 29 TO 36.

$$

ORZ509-200100-
NEWBERRY CRATER-
356 AM PDT WED JUN 19 2013

.TODAY...NUMEROUS SNOW SHOWERS AND SHOWERS IN THE MORNING...THEN
NUMEROUS SNOW SHOWERS...SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. WEST WINDS 10 TO 15 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 40 TO 46.
.TONIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE
OF SNOW SHOWERS AFTER MIDNIGHT. WEST WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH IN THE EVENING. LOWS 23 TO 30.
.THURSDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE AFTERNOON. WEST WINDS AROUND 10 MPH. HIGHS 44 TO 51.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS.
NORTHWEST WINDS 10 TO 15 MPH. LOWS 27 TO 34.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LIGHT WINDS
BECOMING NORTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS 53 TO 59.
.FRIDAY NIGHT...PARTLY CLOUDY. NORTHWEST WINDS 10 TO 15 MPH IN THE
EVENING BECOMING LIGHT. LOWS 34 TO 41.

$$





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