827  
FWUS46 KPDT 212256  
AVGPDT  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE PENDLETON OR  
256 PM PST THU NOV 21 2024  
 
   
..BROKEN TOP
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK  
CLOUD COVER (%) 85 85 100 100 90 85 75 75 85 85 85 80 80 75 55 60 60  
TEMPERATURE 29 30 31 32 33 33 32 32 28 25 24 23 22 22 22 22 21  
MIN/MAX TEMP 29 34 21 23  
WIND DIR SW S S S SW SW SW SW SW SW SW SW SW W W SW SW  
WIND (MPH) 11 18 24 25 25 21 18 18 14 11 11 11 11 12 13 13 10  
WIND GUST (MPH) 42 40 37 33  
PRECIP PROB (%) 80 80 100 100 80 80 80 80 80 80 80 80 80 80 60 60 50  
PRECIP TYPE S S S R R S S S S S S S S S S S S  
6 HOUR QPF 0.17 0.52 0.29 0.28 0.15 0.10 0.10 0.06  
6 HOUR SNOW 1.0 0.3 0.3 2.6 1.8 1.3 1.4 0.8  
12 HOUR SNOW 1.3 2.9 3.1 2.2  
6 HOUR ICE 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.3 7.0 8.1 8.2 7.9 7.2 6.3 5.3 4.7 4.6 4.3 4.0 3.7 3.5 3.7 3.8 3.9  
 
   
..TAM MCARTHUR RIM
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK  
CLOUD COVER (%) 85 85 100 100 85 85 75 75 80 80 80 80 80 70 55 55 60  
TEMPERATURE 30 31 32 32 34 33 32 32 29 26 25 24 23 23 23 23 21  
MIN/MAX TEMP 30 35 22 24  
WIND DIR SW S S S SW SW SW SW SW SW SW SW SW W W SW SW  
WIND (MPH) 12 18 25 28 28 25 20 19 17 12 12 12 12 14 14 13 10  
WIND GUST (MPH) 40 37  
PRECIP PROB (%) 80 80 100 100 80 80 80 80 80 80 80 80 80 80 60 60 40  
PRECIP TYPE S S S R R S S S S S S S S S S S S  
6 HOUR QPF 0.17 0.58 0.33 0.31 0.16 0.09 0.08 0.04  
6 HOUR SNOW 0.9 0.2 0.3 2.6 2.0 1.2 1.2 0.6  
12 HOUR SNOW 1.1 2.9 3.2 1.8  
6 HOUR ICE 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.3 7.1 8.2 8.3 8.0 7.2 6.3 5.3 4.7 4.6 4.3 4.0 3.7 3.4 3.7 3.8 3.9  
 
   
..NEWBERRY CRATER
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK SC BK  
CLOUD COVER (%) 90 95 95 95 95 85 80 75 80 85 90 85 90 85 55 50 55  
TEMPERATURE 31 32 33 35 36 36 35 34 31 28 27 25 24 23 23 24 22  
MIN/MAX TEMP 31 37 22 25  
WIND DIR S S S S S S SW SW SW SW SW SW SW SW W W SW  
WIND (MPH) 11 16 20 24 24 21 18 14 11 9 10 10 11 12 12 11 8  
WIND GUST (MPH) 42 39 34  
PRECIP PROB (%) 70 70 90 90 80 80 70 70 80 80 80 80 70 70 30 30 20  
PRECIP TYPE S Z R R R R R S S S S S S S S S S  
6 HOUR QPF 0.14 0.10 0.06 0.06 0.08 0.09 0.07 0.06  
6 HOUR SNOW 0.3 0.0 0.0 0.1 0.8 1.1 0.9 0.8  
12 HOUR SNOW 0.3 0.1 1.9 1.7  
6 HOUR ICE 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.6 7.5 8.5 8.4 8.2 7.7 7.1 6.2 5.2 4.8 4.7 4.3 4.0 3.7 3.9 3.9 4.0  
 
   
..WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK  
CLOUD COVER (%) 80 75 90 90 95 95 70 70 95 95 95 95 90 80 75 75 70  
TEMPERATURE 29 30 31 32 33 32 32 33 32 32 31 29 26 25 25 24 21  
MIN/MAX TEMP 29 34 24 26  
WIND DIR SW S S S S S S S S S S SW NW W W W W  
WIND (MPH) 23 23 24 28 32 32 33 31 26 26 25 18 10 8 6 6 5  
WIND GUST (MPH) 47 51 51 51 50  
PRECIP PROB (%) 80 80 90 90 100 100 70 70 90 90 100 100 90 90 80 80 50  
PRECIP TYPE S S S S S S S S S S S S S S S S S  
6 HOUR QPF 0.22 0.37 0.65 0.21 0.39 0.50 0.19 0.12  
6 HOUR SNOW 1.2 1.3 1.8 0.8 2.1 4.4 2.2 1.5  
12 HOUR SNOW 2.5 2.6 6.5 3.7  
6 HOUR ICE 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.7 7.0 7.4 7.8 8.0 7.7 7.5 7.2 7.1 7.0 6.6 5.9 5.2 4.6 4.5 4.3 4.1  
 
   
..SALT CREEK AREA (5,000 FT TO 7,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 85 90 90 95 95 80 75 95 95 95 95 90 85 80 80 70  
TEMPERATURE 32 32 33 34 35 35 35 37 36 34 32 32 31 30 30 30 27  
MIN/MAX TEMP 32 38 29 32  
WIND DIR S S S S S S S S S S S S N S SW SW W  
WIND (MPH) 17 16 17 20 21 23 21 19 17 17 18 13 6 5 6 6 5  
WIND GUST (MPH) 35 35 34 40 43 47 43 36 34  
PRECIP PROB (%) 80 80 90 90 100 100 70 70 90 90 100 100 90 90 90 90 50  
PRECIP TYPE R R R R R R R R R R R S S S S S S  
6 HOUR QPF 0.21 0.36 0.62 0.17 0.37 0.51 0.19 0.12  
6 HOUR SNOW 0.2 0.0 0.0 0.0 0.0 1.5 1.9 1.3  
12 HOUR SNOW 0.2 0.0 1.5 3.2  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.4 6.8 7.1 7.5 7.7 7.4 7.1 7.0 7.0 6.9 6.4 5.7 5.2 4.7 4.6 4.3 4.1  
 
   
..CLEAR CREEK AREA (6,000 FT TO 8,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 90 95 95 95 95 95 95 95 95 95 95 85 80 80 75 75  
TEMPERATURE 30 31 31 31 32 32 32 33 32 31 31 31 29 27 27 28 24  
MIN/MAX TEMP 29 34 27 29  
WIND DIR S S S S S S S S S S S S SW SW SW SW W  
WIND (MPH) 12 13 13 14 17 18 17 14 13 13 13 13 6 6 6 8 5  
WIND GUST (MPH) 35  
PRECIP PROB (%) 90 90 90 90 100 100 70 70 90 90 100 100 90 90 80 80 50  
PRECIP TYPE S S S S S S S S S S S S S S S S S  
6 HOUR QPF 0.62 0.94 1.01 0.30 0.57 0.84 0.31 0.16  
6 HOUR SNOW 3.4 2.4 1.4 0.8 2.2 7.4 3.8 2.1  
12 HOUR SNOW 5.8 2.2 9.6 5.9  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.3 6.6 7.0 7.2 7.2 7.0 6.7 6.6 6.8 6.8 6.5 6.0 5.2 4.8 4.5 4.3 4.2  
 
   
..CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 90 95 95 95 95 95 90 95 95 95 95 95 80 70 80 75  
TEMPERATURE 31 32 32 33 34 33 33 34 32 32 32 31 28 27 26 26 24  
MIN/MAX TEMP 31 35 26 28  
WIND DIR S SE SE SE S SE SE SE SE SE SE S W SW SW W W  
WIND (MPH) 14 14 17 18 19 20 19 18 16 17 17 13 8 6 6 8 6  
WIND GUST (MPH) 37 37 35  
PRECIP PROB (%) 70 70 100 100 100 100 70 70 100 100 100 100 90 90 80 80 40  
PRECIP TYPE S S S S R R S S S S S S S S S S S  
6 HOUR QPF 0.24 0.39 0.28 0.09 0.33 0.49 0.19 0.16  
6 HOUR SNOW 1.0 0.5 0.0 0.1 1.1 3.9 2.2 2.0  
12 HOUR SNOW 1.5 0.1 5.0 4.2  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.4 6.8 7.3 7.7 7.8 7.5 7.1 6.9 6.9 6.9 6.4 5.7 5.0 4.6 4.3 4.2 4.1  
 
   
..NORWAY AREA (7,000 FT TO 10,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 90 95 95 95 95 95 95 95 95 95 95 85 75 75 75 70  
TEMPERATURE 27 29 29 30 31 31 29 30 29 30 29 29 26 25 23 22 20  
MIN/MAX TEMP 28 31 23 25  
WIND DIR S S S S S S S S S SE S S SW W SW W W  
WIND (MPH) 17 18 18 21 25 24 20 17 18 19 20 18 11 9 6 8 6  
WIND GUST (MPH)  
PRECIP PROB (%) 90 90 100 100 100 100 70 70 100 100 100 100 90 90 80 80 50  
PRECIP TYPE S S S S S S S S S S S S S S S S S  
6 HOUR QPF 0.56 0.87 0.92 0.26 0.51 0.75 0.29 0.17  
6 HOUR SNOW 4.6 5.6 5.5 1.9 4.0 8.2 3.9 2.4  
12 HOUR SNOW 10.2 7.4 12.2 6.3  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.3 6.7 7.0 7.3 7.2 7.0 6.7 6.7 6.8 6.8 6.5 6.1 5.2 4.7 4.4 4.3 4.2  
 
   
..ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 90 95 95 95 95 75 80 95 95 95 95 90 85 80 75 70  
TEMPERATURE 29 29 30 31 32 32 31 32 31 30 29 27 25 23 23 22 21  
MIN/MAX TEMP 29 33 23 25  
WIND DIR S S S S S S S S S S S W W W W W W  
WIND (MPH) 13 17 21 24 25 24 19 17 16 14 12 10 9 9 9 8 5  
WIND GUST (MPH) 41 42 37 34  
PRECIP PROB (%) 60 60 100 100 90 90 70 70 100 100 90 90 90 90 80 80 20  
PRECIP TYPE S S S S S S S S S S S S S S S S S  
6 HOUR QPF 0.12 0.28 0.22 0.06 0.30 0.27 0.12 0.11  
6 HOUR SNOW 0.7 0.6 0.3 0.2 1.8 2.9 1.6 1.5  
12 HOUR SNOW 1.3 0.5 4.7 3.1  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.8 7.0 7.5 7.9 8.1 7.9 7.5 7.2 7.1 6.8 6.2 5.2 4.6 4.3 4.2 4.2 4.0  
 
   
..BLUE MOUNTAINS (4,000 FT TO 6,000 FT)
 
 
DATE FRIDAY 11/22/24 SATURDAY 11/23/24  
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16  
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK  
CLOUD COVER (%) 90 85 90 90 95 95 80 85 95 95 95 90 85 85 80 75 70  
TEMPERATURE 35 35 36 37 39 39 40 42 39 36 33 32 33 32 32 31 30  
MIN/MAX TEMP 35 42 31 33  
WIND DIR S S S S S S S S S S S SW SW SW SW W W  
WIND (MPH) 9 11 12 14 16 16 13 11 9 8 5 5 4 4 5 5 3  
WIND GUST (MPH) 31 34 39 35 35 31 27  
PRECIP PROB (%) 50 50 90 90 100 100 80 80 100 100 90 90 90 90 70 70 40  
PRECIP TYPE R R R R R R R R R R S S S S S S S  
6 HOUR QPF 0.05 0.19 0.27 0.05 0.27 0.30 0.11 0.12  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.7 0.7 1.0  
12 HOUR SNOW 0.0 0.0 0.7 1.7  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 6.4 6.8 7.3 8.0 8.4 8.4 8.1 7.6 7.0 6.2 5.3 4.8 4.3 4.0 3.9 3.9 3.8  
 

 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
 
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