weather.gov     
National Weather Service

Snow Avalanche Guidance
NWS Homepage
This page is being discontinued on March 12, 2014.
The same data is available at this site. Please update your bookmarks.
Thank you, and we apologize for the inconvenience.
Please send an email to SR-SRH.Webmaster@noaa.gov with any concerns.


Current Version
Previous Version:    01  02  03  04  05  06  07  08  09  10  11  12  
[Printable]
596
FWUS46 KPDT 212156
SAGPDT

AVALANCHE GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PDT TUE OCT 21 2014

ORZ050-221300-
WALLOWA MOUNTAINS 8000 TO 9000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE EVENING.
SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS
23 TO 30.
.WEDNESDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. SOUTH WINDS 20 TO 30 MPH WITH GUSTS
TO 40 MPH. HIGHS 36 TO 43.
.WEDNESDAY NIGHT...RAIN AND SNOW LIKELY. SNOW ACCUMULATION UP TO
2 INCHES. SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. LOWS 27 TO
34.
.THURSDAY...RAIN AND SNOW LIKELY. SNOW ACCUMULATION UP TO 3 INCHES.
SOUTHWEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH IN THE
AFTERNOON. HIGHS 32 TO 39.
.THURSDAY NIGHT...RAIN AND SNOW LIKELY IN THE EVENING...THEN CHANCE
OF RAIN AND SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES.
SOUTHWEST WINDS 10 TO 15 MPH. LOWS 27 TO 34.
.FRIDAY...RAIN AND SNOW LIKELY IN THE MORNING...THEN RAIN AND SNOW
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SOUTH WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 36 TO 43.

$$

ORZ050-221300-
SALT CREEK AREA 5000 TO 7000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING. SOUTH
WINDS 10 TO 15 MPH. LOWS 29 TO 36.
.WEDNESDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. SOUTH WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH. HIGHS 44 TO 51.
.WEDNESDAY NIGHT...CHANCE OF RAIN IN THE EVENING...THEN RAIN LIKELY
AFTER MIDNIGHT. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS
32 TO 39.
.THURSDAY...RAIN LIKELY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE MORNING. HIGHS 40 TO 47.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF RAIN. SOUTH WINDS AROUND
10 MPH. LOWS 33 TO 40.
.FRIDAY...RAIN LIKELY. SOUTH WINDS 10 TO 15 MPH. HIGHS 43 TO 50.

$$

ORZ050-062-221300-
CLEAR CREEK AREA 6000 TO 8000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...PARTLY CLOUDY. LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH
AFTER MIDNIGHT. LOWS 26 TO 33.
.WEDNESDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. SOUTH WINDS 10 TO 20 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON. HIGHS 41 TO 48.
.WEDNESDAY NIGHT...CHANCE OF RAIN AND SNOW SHOWERS IN THE EVENING...
THEN SHOWERS AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH.
LOWS 30 TO 37.
.THURSDAY...SHOWERS AND SNOW SHOWERS IN THE MORNING...THEN SHOWERS
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SOUTH WINDS 10 TO
20 MPH. GUSTS UP TO 40 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
HIGHS 37 TO 44.
.THURSDAY NIGHT...SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF
SHOWERS AFTER MIDNIGHT. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
IN THE EVENING. LOWS 30 TO 37.
.FRIDAY...SHOWERS AND SNOW SHOWERS LIKELY. LITTLE OR NO SNOW
ACCUMULATION. SOUTH WINDS AROUND 10 MPH INCREASING TO 15 TO 20 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON. HIGHS 39 TO 46.

$$

ORZ050-062-221300-
CATHERINE CREEK AREA 6000 TO 8000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS IN THE
EVENING. SOUTH WINDS AROUND 10 MPH INCREASING TO 15 TO 20 MPH WITH
GUSTS TO 30 MPH AFTER MIDNIGHT. LOWS 27 TO 34.
.WEDNESDAY...CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
AFTERNOON. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS
39 TO 46.
.WEDNESDAY NIGHT...CHANCE OF RAIN IN THE EVENING...THEN RAIN LIKELY
AFTER MIDNIGHT. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS
31 TO 38.
.THURSDAY...RAIN LIKELY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH IN THE MORNING. HIGHS 36 TO 43.
.THURSDAY NIGHT...RAIN LIKELY IN THE EVENING...THEN CHANCE OF RAIN
AFTER MIDNIGHT. SOUTH WINDS AROUND 10 MPH. LOWS 30 TO 37.
.FRIDAY...RAIN LIKELY. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON. HIGHS 38 TO 45.

$$

ORZ050-062-221300-
NORWAY AREA 7000 TO 10000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...PARTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE EVENING.
LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH AFTER MIDNIGHT. LOWS 25 TO
32.
.WEDNESDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. SOUTH WINDS 10 TO 15 MPH WITH GUSTS
TO 25 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE
AFTERNOON. HIGHS 37 TO 44.
.WEDNESDAY NIGHT...CHANCE OF SNOW SHOWERS AND SHOWERS IN THE
EVENING...THEN SNOW SHOWERS AND SHOWERS LIKELY AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 1 INCH. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO
50 MPH. LOWS 29 TO 36.
.THURSDAY...SNOW SHOWERS AND SHOWERS. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS 15 TO 25 MPH. GUSTS UP TO 45 MPH IN THE MORNING.
HIGHS 34 TO 41.
.THURSDAY NIGHT...SNOW SHOWERS AND SHOWERS LIKELY. SNOW ACCUMULATION
UP TO 1 INCH. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
EVENING. LOWS 28 TO 35.
.FRIDAY...SNOW SHOWERS AND SHOWERS LIKELY. SNOW ACCUMULATION UP TO
1 INCH. SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH IN THE
AFTERNOON. HIGHS 37 TO 44.

$$

ORZ062-503-221300-
ANTHONY LAKES AREA 7000 TO 9000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY WITH ISOLATED SNOW SHOWERS IN THE EVENING...
THEN PARTLY CLOUDY AFTER MIDNIGHT. SOUTH WINDS 10 TO 20 MPH. GUSTS
UP TO 30 MPH AFTER MIDNIGHT. LOWS 30 TO 37.
.WEDNESDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLOUDY WITH SLIGHT
CHANCE OF SHOWERS AND SNOW SHOWERS IN THE AFTERNOON. SOUTH WINDS
15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS 44 TO 51.
.WEDNESDAY NIGHT...CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
EVENING...THEN SHOWERS AND SNOW SHOWERS LIKELY AFTER MIDNIGHT.
LITTLE OR NO SNOW ACCUMULATION. SOUTHWEST WINDS 20 TO 30 MPH WITH
GUSTS TO 50 MPH. LOWS 32 TO 39.
.THURSDAY...SHOWERS AND SNOW SHOWERS LIKELY. LITTLE OR NO SNOW
ACCUMULATION. SOUTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 45 MPH
DECREASING TO 30 MPH IN THE AFTERNOON. HIGHS 40 TO 47.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.
LITTLE OR NO SNOW ACCUMULATION. SOUTHWEST WINDS 10 TO 15 MPH. GUSTS
UP TO 30 MPH IN THE EVENING. LOWS 28 TO 35.
.FRIDAY...SNOW SHOWERS AND SHOWERS LIKELY. LITTLE OR NO SNOW
ACCUMULATION. SOUTH WINDS 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
WITH GUSTS TO 35 MPH IN THE AFTERNOON. HIGHS 41 TO 48.

$$

ORZ502-221300-
BLUE MOUNTAINS 4000 TO 6000 FEET-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING. SOUTH
WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 32 TO
39.
.WEDNESDAY...CLOUDY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH. HIGHS 53 TO 59.
.WEDNESDAY NIGHT...RAIN LIKELY. SOUTH WINDS 10 TO 20 MPH WITH GUSTS
TO 35 MPH. LOWS 38 TO 45.
.THURSDAY...RAIN LIKELY. SOUTHWEST WINDS 10 TO 15 MPH. HIGHS 47 TO
53.
.THURSDAY NIGHT...CLOUDY WITH CHANCE OF RAIN. WEST WINDS AROUND
10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. LOWS 34 TO 41.
.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE MORNING...THEN
RAIN LIKELY IN THE AFTERNOON. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. HIGHS 49 TO 55.

$$

ORZ509-221300-
BROKEN TOP-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW AFTER MIDNIGHT.
SOUTHWEST WINDS AROUND 10 MPH INCREASING TO 15 TO 25 MPH AFTER
MIDNIGHT. LOWS 31 TO 38.
.WEDNESDAY...CHANCE OF RAIN IN THE MORNING...THEN RAIN IN THE
AFTERNOON. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH. HIGHS
38 TO 45.
.WEDNESDAY NIGHT...RAIN. SOUTHWEST WINDS 20 TO 30 MPH. GUSTS UP TO
45 MPH DECREASING TO 35 MPH AFTER MIDNIGHT. LOWS 30 TO 37.
.THURSDAY...RAIN IN THE MORNING...THEN SNOW IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH. HIGHS 32 TO 39.
.THURSDAY NIGHT...SNOW AND RAIN LIKELY IN THE EVENING...THEN CHANCE
OF SNOW AND RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES.
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 28 TO 35.
.FRIDAY...RAIN AND SNOW. NO SNOW ACCUMULATION. SOUTH WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS 38 TO 45.

$$

ORZ509-221300-
TAM MCARTHUR RIM-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT. SOUTHWEST
WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT. LOWS 31 TO
38.
.WEDNESDAY...CHANCE OF RAIN IN THE MORNING...THEN RAIN IN THE
AFTERNOON. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. HIGHS
37 TO 44.
.WEDNESDAY NIGHT...RAIN. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO
40 MPH. LOWS 30 TO 37.
.THURSDAY...RAIN LIKELY IN THE MORNING...THEN SNOW IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 1 INCH. SOUTHWEST WINDS 10 TO 20 MPH WITH
GUSTS TO 30 MPH. HIGHS 32 TO 39.
.THURSDAY NIGHT...SNOW AND RAIN LIKELY IN THE EVENING...THEN CHANCE
OF SNOW AND RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. LOWS 28 TO 35.
.FRIDAY...RAIN. SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
AFTERNOON. HIGHS 38 TO 45.

$$

ORZ509-221300-
NEWBERRY CRATER-
256 PM PDT TUE OCT 21 2014

.TONIGHT...MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO
30 MPH AFTER MIDNIGHT. LOWS 33 TO 40.
.WEDNESDAY...CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING...THEN
CHANCE OF RAIN IN THE AFTERNOON. SOUTHWEST WINDS 15 TO 25 MPH WITH
GUSTS TO 35 MPH. HIGHS 41 TO 48.
.WEDNESDAY NIGHT...RAIN LIKELY IN THE EVENING...THEN RAIN AFTER
MIDNIGHT. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. LOWS
31 TO 38.
.THURSDAY...RAIN LIKELY. SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO
30 MPH IN THE AFTERNOON. HIGHS 36 TO 43.
.THURSDAY NIGHT...MOSTLY CLOUDY WITH CHANCE OF RAIN. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO 30 MPH. LOWS 29 TO 36.
.FRIDAY...RAIN LIKELY IN THE MORNING...THEN RAIN IN THE AFTERNOON.
SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. HIGHS
41 TO 48.

$$






U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE