224  
FWUS46 KPDT 271056  
AVGPDT  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE PENDLETON OR  
356 AM PDT WED SEP 27 2023  
 
   
..BROKEN TOP  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER OV OV BK BK BK BK SC SC SC SC SC SC SC BK OV BK OV  
CLOUD COVER (%) 85 70 55 55 65 60 45 40 35 30 35 50 40 65 80 70 90  
TEMPERATURE 33 33 33 35 35 33 32 32 30 32 39 44 42 38 36 37 35  
MAX/MIN TEMP 35 30 44 35  
WIND DIR SW W W W W W W W W W W W W W SW SW W  
WIND (MPH) 24 24 24 19 14 11 6 5 4 3 6 9 11 8 9 6 4  
WIND GUST (MPH)  
PRECIP PROB (%) 90 50 20 20 20 20 10 10 10 10 10 10 10 10 30 30 50  
PRECIP TYPE S S S S S S S S S S S  
12 HOUR QPF 0.44 0.00 0.00 0.04  
12 HOUR SNOW 0.5 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 7.5 6.9 6.6 7.0 7.1 7.1 7.0 6.8 6.6 6.7 7.2 7.9 8.3 8.6 8.7 8.6 7.5  
 
   
..TAM MCARTHUR RIM  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER OV BK BK SC BK SC SC SC SC SC SC SC SC BK OV BK OV  
CLOUD COVER (%) 80 65 55 45 60 50 40 30 30 30 35 50 40 60 80 70 90  
TEMPERATURE 34 34 34 36 37 34 33 33 31 33 40 46 44 39 38 38 36  
MAX/MIN TEMP 37 31 46 36  
WIND DIR SW W W W W W W W W W W W W W SW SW W  
WIND (MPH) 24 24 25 20 14 11 6 5 4 3 6 9 11 8 9 6 4  
WIND GUST (MPH)  
PRECIP PROB (%) 90 50 20 20 20 20 10 10 10 10 10 10 10 10 30 30 50  
PRECIP TYPE S S S S S S S S S S S  
12 HOUR QPF 0.42 0.00 0.00 0.03  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 7.4 6.9 6.6 6.9 7.1 7.0 7.0 6.8 6.5 6.7 7.2 7.9 8.3 8.6 8.7 8.6 7.5  
 
   
..NEWBERRY CRATER  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER OV OV BK SC SC SC SC FW SC SC FW SC SC BK BK OV OV  
CLOUD COVER (%) 85 75 60 50 45 40 35 25 25 30 20 45 25 55 60 80 85  
TEMPERATURE 32 32 33 37 37 34 32 31 30 32 38 43 44 39 36 36 35  
MAX/MIN TEMP 38 30 44 35  
WIND DIR SW W W W W W NW W W SW SW W W W W SW W  
WIND (MPH) 19 19 18 16 12 10 5 4 4 4 8 10 11 8 9 8 4  
WIND GUST (MPH)  
PRECIP PROB (%) 60 40 5 0 5 5 0 0 5 5 5 5 5 5 20 20 30  
PRECIP TYPE S S S S S  
12 HOUR QPF 0.12 0.00 0.00 0.01  
12 HOUR SNOW 0.1 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 7.8 7.2 6.9 7.0 7.1 6.9 6.7 6.6 6.4 6.4 7.0 7.6 8.3 8.6 8.6 8.6 7.8  
 
   
..WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER SC BK BK BK SC FW SC SC FW FW SC OV BK SC SC BK OV  
CLOUD COVER (%) 30 60 60 55 30 25 25 25 15 25 45 70 55 30 40 60 75  
TEMPERATURE 34 37 34 39 39 33 31 31 29 31 37 40 40 36 32 33 31  
MAX/MIN TEMP 40 29 41 31  
WIND DIR SW SW W W W W W W SW SW NE N NW SW SW SW SW  
WIND (MPH) 14 16 14 12 10 10 6 5 3 2 4 4 4 2 3 5 4  
WIND GUST (MPH)  
PRECIP PROB (%) 20 70 30 20 10 10 5 5 5 5 5 5 10 10 10 10 20  
PRECIP TYPE S S S S S  
12 HOUR QPF 0.15 0.00 0.00 0.00  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 8.0 8.0 7.6 7.6 7.4 7.1 6.8 6.5 6.2 6.3 7.0 7.6 7.6 7.3 7.2 7.0 6.9  
 
   
..SALT CREEK AREA (5,000 FT TO 7,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER SC BK BK BK SC FW FW FW FW FW SC OV BK SC SC BK BK  
CLOUD COVER (%) 35 60 55 55 35 20 20 20 20 25 50 75 55 30 40 55 70  
TEMPERATURE 38 42 44 48 48 39 36 34 33 35 43 46 47 39 36 35 35  
MAX/MIN TEMP 49 33 48 35  
WIND DIR S S SW W NW NW NW NW W SW E E N W SW SW SW  
WIND (MPH) 8 11 9 9 6 5 3 2 2 2 3 4 4 4 3 2 2  
WIND GUST (MPH)  
PRECIP PROB (%) 20 50 20 20 10 10 0 0 0 0 5 5 5 5 10 10 10  
PRECIP TYPE R R R R  
12 HOUR QPF 0.05 0.00 0.00 0.00  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 8.1 8.0 7.6 7.6 7.4 7.0 6.8 6.6 6.3 6.4 6.9 7.5 7.5 7.4 7.2 7.1 6.8  
 
   
..CLEAR CREEK AREA (6,000 FT TO 8,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER SC OV SC SC FW FW FW FW FW FW SC BK SC SC SC BK BK  
CLOUD COVER (%) 35 75 50 45 20 15 15 25 10 20 45 55 40 25 45 55 70  
TEMPERATURE 36 39 39 45 45 38 35 34 31 33 40 44 45 39 35 35 33  
MAX/MIN TEMP 46 31 46 33  
WIND DIR SW SW SW SW W NW NW NW NW NW S SW SW W SW SW SW  
WIND (MPH) 9 13 13 12 10 10 6 4 3 2 5 8 6 5 4 4 3  
WIND GUST (MPH)  
PRECIP PROB (%) 20 50 20 20 5 5 0 0 0 0 5 5 5 5 10 10 10  
PRECIP TYPE R S S R  
12 HOUR QPF 0.09 0.00 0.00 0.00  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 8.2 8.2 7.8 7.7 7.5 7.1 6.9 6.7 6.4 6.5 7.0 7.5 7.5 7.5 7.3 7.2 6.9  
 
   
..CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER BK OV OV BK SC SC SC SC SC SC SC BK SC SC SC BK OV  
CLOUD COVER (%) 55 90 75 60 40 30 45 50 35 40 45 50 45 30 40 70 80  
TEMPERATURE 37 37 38 43 43 37 35 34 31 33 40 44 45 39 35 36 34  
MAX/MIN TEMP 44 31 45 34  
WIND DIR S SW W W W NW NW NW NW NW W W W W SW SW SW  
WIND (MPH) 9 10 12 13 10 11 6 5 4 3 8 8 6 5 5 4 3  
WIND GUST (MPH)  
PRECIP PROB (%) 20 60 20 20 5 5 5 5 5 5 5 5 5 5 10 10 20  
PRECIP TYPE R S R S S  
12 HOUR QPF 0.11 0.00 0.00 0.01  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 8.0 7.9 7.5 7.4 7.2 7.0 6.9 6.6 6.4 6.3 6.8 7.2 7.4 7.3 7.2 7.2 6.9  
 
   
..NORWAY AREA (7,000 FT TO 10,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER SC OV BK SC FW FW FW SC FW FW SC BK SC SC SC BK OV  
CLOUD COVER (%) 35 80 55 45 20 20 20 25 15 25 40 55 40 25 45 60 70  
TEMPERATURE 34 35 34 39 39 34 32 32 29 31 37 40 40 37 34 34 32  
MAX/MIN TEMP 40 29 41 32  
WIND DIR SW SW W W W NW NW NW NW W SW SW SW W SW SW SW  
WIND (MPH) 10 13 16 14 12 12 8 5 4 3 5 6 6 5 4 4 4  
WIND GUST (MPH)  
PRECIP PROB (%) 20 60 20 20 5 5 0 0 0 0 5 5 5 5 10 10 10  
PRECIP TYPE S S S S  
12 HOUR QPF 0.15 0.00 0.00 0.00  
12 HOUR SNOW 0.1 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 8.2 8.2 7.8 7.7 7.5 7.1 7.0 6.7 6.4 6.5 7.1 7.5 7.5 7.5 7.3 7.2 7.0  
 
   
..ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER SC OV BK SC FW SC SC SC SC SC BK SC SC SC SC OV OV  
CLOUD COVER (%) 45 70 60 45 25 25 40 50 40 35 55 50 40 35 40 70 75  
TEMPERATURE 34 33 35 39 38 34 32 31 28 31 37 41 39 36 33 33 31  
MAX/MIN TEMP 39 28 41 31  
WIND DIR SW SW W W W W W W W W W W W W W SW SW  
WIND (MPH) 13 16 18 17 14 13 10 8 5 3 6 6 8 6 6 5 4  
WIND GUST (MPH)  
PRECIP PROB (%) 60 60 20 5 5 5 5 5 5 5 5 5 10 10 10 10 20  
PRECIP TYPE S S S S  
12 HOUR QPF 0.16 0.00 0.00 0.00  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 8.0 7.8 7.5 7.6 7.3 7.1 7.1 7.0 6.7 6.7 7.1 7.7 7.7 7.6 7.6 7.6 7.0  
 
   
..BLUE MOUNTAINS (4,000 FT TO 6,000 FT)  
 
DATE WEDNESDAY 09/27/23 THURSDAY 09/28/23  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER OV OV BK BK BK BK BK BK OV OV OV BK SC SC BK BK OV  
CLOUD COVER (%) 80 80 55 55 55 60 65 65 70 70 70 60 50 45 60 70 80  
TEMPERATURE 41 41 46 49 48 44 42 41 38 40 45 50 49 44 41 39 38  
MAX/MIN TEMP 49 38 50 38  
WIND DIR S SW SW W W W W W W SW SW W W W W W W  
WIND (MPH) 6 10 14 16 13 13 9 8 6 5 9 8 8 4 6 5 4  
WIND GUST (MPH) 31  
PRECIP PROB (%) 70 80 20 10 20 20 5 5 10 10 10 10 10 10 20 20 20  
PRECIP TYPE R R R R R R R R R R R  
12 HOUR QPF 0.13 0.01 0.00 0.02  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 7.8 7.5 6.9 7.0 7.0 7.0 6.8 6.6 6.4 6.4 6.5 7.0 7.1 7.1 7.0 6.8 6.5  
 
 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
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