290
FWUS46 KSEW 210931
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
131 AM PST SAT DEC 21 2024
..HURRICANE RIDGE
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 OV BK BK BK SC OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 75 80 95 70 65 50 45 70 90 90 100 100 100 100 90 90 50
TEMPERATURE 39 38 36 36 33 31 29 30 31 31 32 33 34 34 35 33 33
MAX/MIN TEMP 41 29 34 31
WIND DIR SE S S S SW SW S S S S S S S S SW SW SW
WIND (MPH) 13 13 14 11 6 10 10 10 10 12 14 18 18 16 11 11 11
WIND GUST (MPH) 31 35 28 27 33
PRECIP PROB (%) 10 70 90 50 50 10 10 30 70 70 100 100 100 100 90 90 20
PRECIP TYPE R R S S S S S S S R S S S S
6 HOUR QPF 0.18 0.23 0.14 0.01 0.04 0.34 0.33 0.17
6 HOUR SNOW 0.0 0.0 0.9 0.1 0.2 0.8 0.3 0.9
12 HOUR SNOW 0.0 1.0 1.0 1.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.0 6.0 5.3 4.6 4.1 3.7 3.6 3.9 4.2 4.2 4.7 5.3 5.7 5.2 4.9 4.4 4.1
..MOUNT BAKER SKI AREA
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 50 70 90 100 95 90 85 70 75 70 90 90 100 100 100 100 80
TEMPERATURE 40 40 39 36 34 34 34 33 32 32 33 33 33 35 35 35 34
MAX/MIN TEMP 41 31 35 33
WIND DIR SE SE S S SW S S S S SE SE SE SE SE S S SW
WIND (MPH) 18 17 11 9 9 8 6 8 9 11 12 13 14 16 14 11 9
WIND GUST (MPH) 37 37 27 32 34 35
PRECIP PROB (%) 5 10 60 100 90 60 30 10 20 20 80 80 100 100 100 100 70
PRECIP TYPE R S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.63 0.31 0.06 0.05 0.41 0.56 0.53
6 HOUR SNOW 0.0 0.2 1.2 0.4 0.4 2.4 1.1 1.4
12 HOUR SNOW 0.2 1.6 2.8 2.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.5 6.4 5.5 4.9 4.6 4.2 3.9 3.5 3.5 3.5 3.7 4.0 4.3 4.5 4.5 4.5 4.2
..STEVENS PASS
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 BK OV OV OV OV OV BK BK BK OV OV OV OV OV OV OV OV
CLOUD COVER (%) 60 80 90 100 85 80 65 60 65 75 95 95 100 100 100 100 80
TEMPERATURE 33 33 32 33 33 32 31 29 28 28 29 31 30 30 30 31 31
MAX/MIN TEMP 33 27 31 29
WIND DIR E E E SW SW W W S S E E E E E SE SW W
WIND (MPH) 9 9 4 3 5 5 3 2 2 3 5 6 6 6 4 4 5
WIND GUST (MPH)
PRECIP PROB (%) 10 10 80 100 60 30 20 10 20 20 90 90 100 100 100 100 40
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.29 0.17 0.03 0.00 0.09 0.37 0.30
6 HOUR SNOW 0.1 0.7 1.3 0.3 0.0 0.5 2.4 2.1
12 HOUR SNOW 0.8 1.6 0.5 4.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.5 5.2 5.2 4.8 4.4 4.0 3.7 3.5 3.3 3.2 3.5 3.9 3.8 4.0 4.5 4.5 4.3
..SNOQUALMIE PASS (3000 FEET)
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 BK OV OV OV OV OV OV SC BK OV OV OV OV OV OV OV OV
CLOUD COVER (%) 55 80 85 95 85 80 70 45 60 75 95 95 100 100 95 95 75
TEMPERATURE 35 34 34 34 34 34 33 30 29 30 32 33 33 33 33 34 33
MAX/MIN TEMP 36 29 35 31
WIND DIR E SE SE SE W W W SE E E SE SE SE SE SE SW W
WIND (MPH) 6 6 4 3 3 2 1 1 2 3 5 5 6 5 3 2 2
WIND GUST (MPH) 24 24
PRECIP PROB (%) 10 20 80 90 70 40 10 5 30 30 100 100 100 100 90 90 40
PRECIP TYPE R R R S S S S R S R R R R R
6 HOUR QPF 0.02 0.23 0.11 0.01 0.00 0.17 0.33 0.31
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.1 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.2 5.7 5.2 4.7 4.4 4.0 3.8 3.5 3.3 3.2 3.6 3.9 4.3 4.8 4.8 4.6 4.3
..WHITE PASS
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 80 95 85 80 80 70 70 75 80 100 100 100 100 95 95 75
TEMPERATURE 32 32 32 33 31 31 30 29 29 29 31 32 32 32 33 33 31
MAX/MIN TEMP 34 28 33 29
WIND DIR E SE S SW W W SW SW SW SE SE SE SE S SW W W
WIND (MPH) 11 10 5 6 8 8 6 5 4 6 8 8 8 8 8 10 10
WIND GUST (MPH) 33 28 25 25 28
PRECIP PROB (%) 5 30 90 80 50 30 20 10 40 40 100 100 100 100 90 90 30
PRECIP TYPE S S S S S S S S S S S R S S S
6 HOUR QPF 0.05 0.19 0.26 0.02 0.00 0.18 0.29 0.34
6 HOUR SNOW 0.1 1.0 2.5 0.2 0.0 1.0 0.5 1.4
12 HOUR SNOW 1.1 2.7 1.0 1.9
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.4 5.6 5.1 4.8 4.4 4.1 3.8 3.8 4.0 4.0 4.2 4.7 4.9 5.3 5.2 4.8 4.4
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 90 95 90 85 85 70 75 75 85 100 100 100 100 95 95 75
TEMPERATURE 37 36 34 33 32 30 29 29 29 29 31 32 33 33 33 33 31
MAX/MIN TEMP 37 27 34 29
WIND DIR NE NE SW SW W W W W W S S S SE S SW SW SW
WIND (MPH) 18 8 8 6 8 6 6 8 8 10 11 12 12 12 10 10 10
WIND GUST (MPH) 29
PRECIP PROB (%) 5 30 90 90 60 30 10 10 40 40 100 100 100 100 90 90 30
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.12 0.55 0.34 0.04 0.06 0.69 0.52 0.45
6 HOUR SNOW 0.3 4.7 3.7 0.3 0.6 5.0 1.7 3.7
12 HOUR SNOW 5.0 4.0 5.6 5.4
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.8 6.3 5.4 4.8 4.4 4.0 3.6 3.9 4.2 4.4 4.6 4.9 5.3 5.6 5.2 4.8 4.4
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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