142  
FWUS46 KSEW 201201  
AVGSEW  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE SEATTLE WA  
401 AM PST WED NOV 20 2024  
 
   
..HURRICANE RIDGE  
 
DATE WEDNESDAY 11/20/24 THURSDAY 11/21/24  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV BK OV OV OV BK OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 80 70 80 80 80 65 95 95 80 75 75 75 90 90 100  
TEMPERATURE 27 28 29 29 29 29 28 28 28 30 32 31 29 30 29 31  
MAX/MIN TEMP 31 27 33 28  
WIND DIR S S S S S S S S SE SE E E E E E E  
WIND (MPH) 25 24 20 14 14 12 10 10 10 8 5 5 9 10 12 14  
WIND GUST (MPH)  
PRECIP PROB (%) 70 80 70 50 70 70 70 50 70 60 60 60 50 50 90 90 100  
PRECIP TYPE S S S S S S S S S S S S S S S R  
6 HOUR QPF 0.21 0.15 0.16 0.06 0.07 0.04 0.04 0.22  
6 HOUR SNOW 1.9 1.3 1.3 0.5 0.5 0.3 0.2 0.7  
12 HOUR SNOW 3.2 1.8 0.8 0.9  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 MM MM  
SNOW LEVEL (KFT) 3.2 3.3 3.4 3.5 3.4 3.4 3.4 3.4 3.4 3.6 3.9 4.0 4.0 4.4 5.4 5.5  
 
   
..MOUNT BAKER SKI AREA  
 
DATE WEDNESDAY 11/20/24 THURSDAY 11/21/24  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 60 65 80 70 75 75 80 80 75 75 75 80 90 90 100  
TEMPERATURE 28 29 31 31 30 29 29 29 28 30 33 32 31 31 31 32  
MAX/MIN TEMP 33 27 34 30  
WIND DIR SE S S S SE SE SE SE E E E E E E E E  
WIND (MPH) 20 17 13 10 13 13 12 13 12 11 9 9 13 17 18 20  
WIND GUST (MPH)  
PRECIP PROB (%) 90 50 30 20 70 50 30 40 60 30 60 60 50 50 80 80 100  
PRECIP TYPE S S S S S S S S S S S S S S S R  
6 HOUR QPF 0.43 0.16 0.13 0.10 0.04 0.04 0.03 0.11  
6 HOUR SNOW 4.4 1.5 1.1 0.9 0.4 0.3 0.2 0.6  
12 HOUR SNOW 5.9 2.0 0.7 0.8  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 MM MM  
SNOW LEVEL (KFT) 2.8 3.2 3.4 3.3 3.1 3.0 3.0 3.0 2.9 3.1 3.5 3.5 3.4 3.6 4.1 4.8  
 
   
..STEVENS PASS  
 
DATE WEDNESDAY 11/20/24 THURSDAY 11/21/24  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV BK BK OV OV OV SC OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 70 60 75 75 70 50 80 80 85 85 80 85 95 95 100  
TEMPERATURE 27 29 32 30 27 27 27 27 26 30 33 31 30 30 30 32  
MAX/MIN TEMP 32 24 33 29  
WIND DIR SE SE SE E SE E E E E E E E E E E E  
WIND (MPH) 9 5 5 4 4 4 4 5 5 5 5 5 8 10 10 11  
WIND GUST (MPH)  
PRECIP PROB (%) 90 70 20 20 60 50 60 20 40 60 70 70 70 70 90 90 100  
PRECIP TYPE S S S S S S S S S S S S S S S R  
6 HOUR QPF 0.08 0.06 0.02 0.01 0.04 0.04 0.07 0.30  
6 HOUR SNOW 0.9 0.6 0.2 0.1 0.4 0.4 0.5 1.6  
12 HOUR SNOW 1.5 0.3 0.8 2.1  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 MM MM  
SNOW LEVEL (KFT) 3.2 3.5 3.6 3.5 3.1 3.0 2.9 2.7 2.8 3.2 3.7 3.5 3.5 3.8 4.4 5.0  
 
   
..SNOQUALMIE PASS (3000 FEET)  
 
DATE WEDNESDAY 11/20/24 THURSDAY 11/21/24  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV BK BK OV OV BK BK BK BK OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 60 50 75 75 60 60 70 70 85 85 80 80 100 100 100  
TEMPERATURE 30 32 36 35 31 31 30 29 28 33 37 36 33 34 33 34  
MAX/MIN TEMP 37 28 38 32  
WIND DIR SE SE SE SE SE SE E E E E E E E E E E  
WIND (MPH) 8 5 5 3 4 3 3 4 5 6 5 5 8 8 8 8  
WIND GUST (MPH)  
PRECIP PROB (%) 90 50 20 20 70 60 40 40 40 40 80 80 70 70 100 100 100  
PRECIP TYPE S S S S S S S S S S S R S R R R  
6 HOUR QPF 0.07 0.05 0.02 0.01 0.04 0.03 0.08 0.38  
6 HOUR SNOW 0.6 0.1 0.0 0.1 0.2 0.0 0.0 0.0  
12 HOUR SNOW 0.7 0.1 0.2 0.0  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 MM MM  
SNOW LEVEL (KFT) 3.2 3.5 3.6 3.6 3.4 3.2 3.0 2.9 3.2 3.5 3.9 3.9 4.0 4.4 5.5 5.9  
 
   
..WHITE PASS  
 
DATE WEDNESDAY 11/20/24 THURSDAY 11/21/24  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV BK OV OV OV BK BK BK BK OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 65 75 85 75 60 65 70 70 90 90 85 90 100 100 100  
TEMPERATURE 27 30 32 32 29 28 27 27 27 30 33 32 30 31 31 32  
MAX/MIN TEMP 34 25 34 30  
WIND DIR S S S S SE S SE E E E E E E E E E  
WIND (MPH) 11 10 6 4 4 5 4 6 8 8 8 6 9 11 11 11  
WIND GUST (MPH)  
PRECIP PROB (%) 100 60 10 30 80 60 40 20 40 70 80 80 80 80 100 100 100  
PRECIP TYPE S S S S S S S S S S S S S R R  
6 HOUR QPF 0.16 0.05 0.03 0.01 0.03 0.07 0.18 0.43  
6 HOUR SNOW 1.8 0.5 0.3 0.1 0.3 0.4 1.1 0.6  
12 HOUR SNOW 2.3 0.4 0.7 1.7  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 MM MM  
SNOW LEVEL (KFT) 3.5 3.7 3.7 3.6 3.4 3.3 3.2 3.1 3.6 3.8 4.4 4.2 4.2 4.7 5.8 6.2  
 
   
..PARADISE (MOUNT RAINIER - 5420 FEET)  
 
DATE WEDNESDAY 11/20/24 THURSDAY 11/21/24  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 70 65 85 85 75 80 75 75 85 85 85 90 100 100 100  
TEMPERATURE 27 26 28 28 27 27 27 26 27 28 30 30 29 31 30 33  
MAX/MIN TEMP 30 25 32 29  
WIND DIR S S S SW S S S SE E SE SE E E E E E  
WIND (MPH) 19 16 11 6 9 10 10 10 11 10 8 9 14 18 19 20  
WIND GUST (MPH)  
PRECIP PROB (%) 90 60 30 30 80 60 30 40 30 70 80 80 80 80 100 100 100  
PRECIP TYPE S S S S S S S S S S S S S S R R  
6 HOUR QPF 0.28 0.14 0.13 0.06 0.06 0.08 0.19 0.59  
6 HOUR SNOW 3.3 1.8 1.6 0.7 0.6 0.7 1.3 1.6  
12 HOUR SNOW 5.1 2.3 1.3 2.9  
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 MM MM  
SNOW LEVEL (KFT) 3.5 3.6 3.6 3.6 3.5 3.5 3.4 3.5 3.8 3.9 4.5 4.6 4.5 5.1 6.2 6.5  
 
 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
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