488
FWUS46 KSEW 212208
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
208 PM PST SAT DEC 21 2024
..HURRICANE RIDGE
DATE SUNDAY 12/22/24 MONDAY 12/23/24
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 BK BK SC OV OV OV OV OV OV OV OV OV SC SC SC BK OV
CLOUD COVER (%) 65 55 50 85 85 90 90 95 100 100 90 90 45 40 30 55 75
TEMPERATURE 32 30 29 30 30 30 32 33 33 34 33 32 31 32 32 35 34
MIN/MAX TEMP 28 34 29 36
WIND DIR SW SW S S S S S S S S SW SW SW SW S S S
WIND (MPH) 6 10 10 10 11 13 14 18 18 16 11 11 10 10 10 8 10
WIND GUST (MPH)
PRECIP PROB (%) 30 30 20 30 30 40 80 90 100 100 90 90 10 10 5 5 60
PRECIP TYPE S S S S S S S R R R S S S
6 HOUR QPF 0.06 0.02 0.04 0.30 0.22 0.13 0.04 0.00
6 HOUR SNOW 0.4 0.1 0.2 0.4 0.2 0.8 0.0 0.0
12 HOUR SNOW 0.5 0.6 1.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.9 3.5 3.7 3.9 4.0 4.1 5.1 5.6 5.4 5.3 4.7 4.2 3.9 3.7 3.7 3.9 3.9
..MOUNT BAKER SKI AREA
DATE SUNDAY 12/22/24 MONDAY 12/23/24
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 BK OV OV OV OV OV OV OV OV OV OV BK SC OV
CLOUD COVER (%) 95 95 80 65 75 80 75 85 100 100 100 100 85 85 70 50 70
TEMPERATURE 34 34 33 33 32 32 32 33 33 34 34 35 34 33 33 34 33
MIN/MAX TEMP 31 34 33 36
WIND DIR SW S S S S SE SE SE SE SE S S SW SW S SE E
WIND (MPH) 9 8 6 8 10 12 12 13 14 16 14 11 8 6 6 6 10
WIND GUST (MPH)
PRECIP PROB (%) 90 90 40 10 10 10 20 60 100 100 100 100 80 80 10 10 40
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.28 0.09 0.11 0.50 0.70 0.49 0.10 0.01
6 HOUR SNOW 1.4 0.8 0.8 2.8 2.1 1.5 0.7 0.0
12 HOUR SNOW 2.2 3.6 3.6 0.7
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 4.5 4.1 3.7 3.5 3.5 3.5 3.7 4.1 4.5 4.5 4.4 4.4 4.1 3.9 3.7 3.8 3.8
..STEVENS PASS
DATE SUNDAY 12/22/24 MONDAY 12/23/24
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 BK BK OV OV OV OV OV OV OV OV OV OV BK BK OV
CLOUD COVER (%) 85 75 65 60 75 75 70 90 100 100 100 100 80 75 60 60 70
TEMPERATURE 32 32 31 29 28 28 28 30 30 30 31 31 31 31 31 33 32
MIN/MAX TEMP 27 31 29 34
WIND DIR SW W W S S E E E E E SE SW W W W SE E
WIND (MPH) 5 5 3 2 3 4 5 6 6 6 4 4 5 5 3 4 6
WIND GUST (MPH)
PRECIP PROB (%) 60 60 10 5 5 10 20 70 100 100 100 100 40 40 5 5 60
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.20 0.04 0.00 0.12 0.28 0.29 0.06 0.00
6 HOUR SNOW 1.7 0.3 0.0 0.7 1.6 1.9 0.5 0.0
12 HOUR SNOW 2.0 0.7 3.5 0.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 4.3 3.9 3.6 3.5 3.3 3.3 3.7 4.0 4.3 4.3 4.6 4.5 4.2 4.0 3.8 4.0 3.8
..SNOQUALMIE PASS (3000 FEET)
DATE SUNDAY 12/22/24 MONDAY 12/23/24
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 BK BK BK OV OV OV OV OV OV OV OV BK SC SC OV
CLOUD COVER (%) 85 80 65 60 60 75 75 95 100 100 95 95 75 70 45 45 75
TEMPERATURE 35 34 32 30 29 29 32 33 33 33 33 34 34 32 32 35 35
MIN/MAX TEMP 29 34 32 37
WIND DIR W W W SE E E SE SE SE SE SE SW W W S E SE
WIND (MPH) 3 2 1 1 3 4 5 5 6 5 3 2 2 2 2 4 8
WIND GUST (MPH)
PRECIP PROB (%) 60 60 10 10 5 10 30 90 100 100 100 100 40 40 0 0 60
PRECIP TYPE S S S S S S S S R R R
6 HOUR QPF 0.09 0.01 0.01 0.21 0.37 0.33 0.04 0.00
6 HOUR SNOW 0.1 0.0 0.0 0.6 0.7 0.2 0.0 0.0
12 HOUR SNOW 0.1 0.6 0.9 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 4.3 3.9 3.7 3.5 3.3 3.3 3.7 4.4 4.4 4.3 4.6 4.6 4.4 4.0 3.8 4.0 3.9
..WHITE PASS
DATE SUNDAY 12/22/24 MONDAY 12/23/24
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 BK SC BK OV
CLOUD COVER (%) 80 80 75 80 75 85 85 90 100 100 95 95 75 60 35 55 80
TEMPERATURE 31 31 30 29 29 29 30 32 32 33 33 33 31 31 30 32 31
MIN/MAX TEMP 28 33 29 34
WIND DIR W W SW SW SW SE SE SE SE S SW W W W SW SE SE
WIND (MPH) 8 8 6 5 5 8 8 8 8 8 8 10 10 8 5 5 10
WIND GUST (MPH)
PRECIP PROB (%) 50 50 10 10 10 30 40 90 100 100 90 90 20 20 5 5 70
PRECIP TYPE S S S S S S R S S S S S
6 HOUR QPF 0.13 0.03 0.02 0.16 0.22 0.36 0.01 0.00
6 HOUR SNOW 1.2 0.3 0.2 0.7 0.4 2.3 0.1 0.0
12 HOUR SNOW 1.5 0.9 2.7 0.1
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 4.3 3.9 3.8 3.8 3.8 3.7 4.3 4.9 5.3 5.4 5.1 4.7 4.4 4.1 3.9 4.2 4.2
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE SUNDAY 12/22/24 MONDAY 12/23/24
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 BK SC BK OV
CLOUD COVER (%) 85 80 85 85 85 90 85 95 100 100 100 100 80 60 35 55 80
TEMPERATURE 31 29 29 29 29 29 30 32 33 33 33 33 31 29 30 33 33
MIN/MAX TEMP 27 33 29 35
WIND DIR W W W W W S S S SE S SW SW W W S SE SE
WIND (MPH) 8 6 6 8 9 11 11 12 12 12 10 10 10 5 3 8 13
WIND GUST (MPH)
PRECIP PROB (%) 60 60 10 10 10 30 40 100 100 100 100 100 30 30 0 0 70
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.17 0.11 0.15 0.67 0.66 0.60 0.03 0.00
6 HOUR SNOW 1.8 1.1 1.4 4.8 4.4 5.3 0.3 0.0
12 HOUR SNOW 2.9 6.2 9.7 0.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 4.2 3.8 3.8 3.9 3.9 4.1 4.7 5.3 5.4 5.4 5.1 4.7 4.5 3.8 3.8 4.1 4.3
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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