741  
FWUS46 KSEW 202250  
AVGSEW  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE SEATTLE WA  
250 PM PST WED NOV 20 2024  
 
   
..HURRICANE RIDGE  
 
DATE THURSDAY 11/21/24 FRIDAY 11/22/24  
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 BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 65 60 60 60 80 80 85 70 70 90 90 100 100 95 95 90  
TEMPERATURE 29 28 28 28 28 27 30 31 29 28 28 28 30 32 32 32 32  
MIN/MAX TEMP 26 31 27 34  
WIND DIR S S S S S S S S S SE E E E E SE SE S  
WIND (MPH) 18 18 14 12 9 8 5 4 4 6 12 16 18 20 19 21 23  
WIND GUST (MPH)  
PRECIP PROB (%) 70 40 40 40 30 50 70 80 60 60 90 90 100 100 90 90 90  
PRECIP TYPE S S S S S S S S S S S S S S S S S  
6 HOUR QPF 0.14 0.08 0.02 0.10 0.02 0.05 0.24 0.29  
6 HOUR SNOW 1.1 0.6 0.1 0.7 0.1 0.3 0.7 1.7  
12 HOUR SNOW 1.7 0.8 0.4 2.4  
6 HOUR ICE 0.00 0.00 0.00 0.00 MM MM MM MM  
SNOW LEVEL (KFT) 3.3 3.3 3.4 3.4 3.3 3.4 3.7 3.8 3.7 3.5 3.3 3.6 4.3 5.0 4.4 4.2 3.9  
 
   
..MOUNT BAKER SKI AREA  
 
DATE THURSDAY 11/21/24 FRIDAY 11/22/24  
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 BK BK SC BK OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 70 75 75 55 60 45 55 75 85 85 85 85 95 95 100 100 95  
TEMPERATURE 31 29 29 29 28 27 31 32 32 31 31 31 32 32 33 34 34  
MIN/MAX TEMP 26 34 30 36  
WIND DIR S S S S S SE SE SE SE SE E E E E E SE SE  
WIND (MPH) 12 14 16 14 10 10 8 5 4 9 18 21 24 23 20 18 17  
WIND GUST (MPH)  
PRECIP PROB (%) 60 40 60 30 10 10 20 50 80 80 80 80 100 100 100 100 90  
PRECIP TYPE S S S S S S S S S S S S R S S  
6 HOUR QPF 0.06 0.01 0.01 0.17 0.14 0.04 0.37 0.23  
6 HOUR SNOW 0.5 0.1 0.0 1.1 0.9 0.2 1.7 0.5  
12 HOUR SNOW 0.6 1.1 1.1 2.2  
6 HOUR ICE 0.00 0.00 0.00 0.00 MM MM MM MM  
SNOW LEVEL (KFT) 3.1 2.8 2.9 2.8 2.7 2.7 3.5 3.7 3.7 3.7 3.6 3.3 3.5 4.0 4.5 4.2 4.1  
 
   
..STEVENS PASS  
 
DATE THURSDAY 11/21/24 FRIDAY 11/22/24  
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 70 75 65 60 60 75 75 85 80 80 95 95 100 100 95 95 90  
TEMPERATURE 30 28 28 27 27 26 30 32 32 30 30 30 32 32 33 35 34  
MIN/MAX TEMP 25 32 29 36  
WIND DIR SE E SE E E E E E E E E E E E E SE SE  
WIND (MPH) 6 6 6 5 4 5 4 4 4 5 11 13 13 11 8 6 6  
WIND GUST (MPH)  
PRECIP PROB (%) 50 60 40 30 20 10 50 80 70 70 90 90 100 100 100 100 90  
PRECIP TYPE S S S S S S S S S S S S S R S S  
6 HOUR QPF 0.01 0.01 0.01 0.05 0.03 0.17 0.29 0.08  
6 HOUR SNOW 0.1 0.1 0.1 0.4 0.2 0.9 1.0 0.0  
12 HOUR SNOW 0.2 0.5 1.1 1.0  
6 HOUR ICE 0.00 0.00 0.00 0.00 MM MM MM MM  
SNOW LEVEL (KFT) 3.1 2.9 2.7 2.6 2.6 3.1 3.7 3.9 4.0 3.8 3.5 3.8 3.8 4.9 5.1 4.5 4.3  
 
   
..SNOQUALMIE PASS (3000 FEET)  
 
DATE THURSDAY 11/21/24 FRIDAY 11/22/24  
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 BK BK BK BK BK OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 75 80 50 55 55 65 70 90 80 80 95 95 100 100 95 95 90  
TEMPERATURE 35 31 31 30 29 29 33 36 36 33 33 32 34 35 36 40 37  
MIN/MAX TEMP 28 38 31 41  
WIND DIR SE SE SE SE E E SE SE SE E E E E E SE SE SE  
WIND (MPH) 5 5 5 4 3 4 4 4 3 4 8 9 10 9 8 6 5  
WIND GUST (MPH)  
PRECIP PROB (%) 60 70 30 40 20 10 50 80 70 70 100 100 100 100 90 90 90  
PRECIP TYPE S S S S S S S S S S S S R R R R  
6 HOUR QPF 0.01 0.01 0.02 0.06 0.03 0.26 0.31 0.10  
6 HOUR SNOW 0.0 0.1 0.1 0.0 0.0 0.4 0.0 0.0  
12 HOUR SNOW 0.1 0.1 0.4 0.0  
6 HOUR ICE 0.00 0.00 0.00 0.00 MM MM MM MM  
SNOW LEVEL (KFT) 3.4 3.1 3.0 2.9 3.0 3.5 3.8 4.0 4.0 3.9 3.9 4.4 4.6 5.7 5.0 4.6 4.3  
 
   
..WHITE PASS  
 
DATE THURSDAY 11/21/24 FRIDAY 11/22/24  
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 BK BK OV BK OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 85 55 65 80 60 85 90 75 75 100 100 100 100 95 95 90  
TEMPERATURE 31 28 27 27 27 26 30 34 33 30 31 30 31 33 33 35 34  
MIN/MAX TEMP 25 35 29 36  
WIND DIR S S S SE SE E E SE SE E E E E E SE S SW  
WIND (MPH) 6 5 6 6 5 5 5 4 4 6 14 16 16 14 13 12 11  
WIND GUST (MPH)  
PRECIP PROB (%) 50 80 40 50 30 40 70 80 60 60 100 100 100 100 90 90 80  
PRECIP TYPE S S S S S S S S S S S S S R S S S  
6 HOUR QPF 0.03 0.01 0.04 0.07 0.05 0.46 0.31 0.07  
6 HOUR SNOW 0.3 0.1 0.3 0.2 0.2 2.0 0.3 0.0  
12 HOUR SNOW 0.4 0.5 2.2 0.3  
6 HOUR ICE 0.00 0.00 0.00 0.00 MM MM MM MM  
SNOW LEVEL (KFT) 3.3 3.2 3.2 3.1 3.3 3.8 4.5 4.7 4.6 4.3 4.4 4.9 5.2 5.6 5.1 4.7 4.3  
 
   
..PARADISE (MOUNT RAINIER - 5420 FEET)  
 
DATE THURSDAY 11/21/24 FRIDAY 11/22/24  
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 75 85 65 65 85 70 85 85 80 75 100 100 100 100 95 95 90  
TEMPERATURE 27 26 27 28 27 26 28 30 30 29 31 30 32 34 31 32 30  
MIN/MAX TEMP 25 32 29 34  
WIND DIR S SW SW SW E E E SW N E E E E E SE S S  
WIND (MPH) 9 10 10 10 5 6 5 4 2 10 21 24 25 24 21 19 16  
WIND GUST (MPH)  
PRECIP PROB (%) 50 80 30 40 20 40 80 80 60 60 100 100 100 100 100 100 80  
PRECIP TYPE S S S S S S S S S S S S S R S S S  
6 HOUR QPF 0.09 0.02 0.11 0.22 0.07 0.69 0.47 0.21  
6 HOUR SNOW 0.9 0.2 1.1 2.0 0.6 3.5 0.7 1.7  
12 HOUR SNOW 1.1 3.1 4.1 2.4  
6 HOUR ICE 0.00 0.00 0.00 0.00 MM MM MM MM  
SNOW LEVEL (KFT) 3.3 3.3 3.3 3.4 3.8 4.1 4.5 4.6 4.6 4.1 4.6 5.5 5.6 5.8 5.1 4.7 4.2  
 
 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
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