737
FWUS46 KSEW 202254
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
254 PM PST FRI DEC 20 2024
..HURRICANE RIDGE
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 OV OV OV OV BK OV BK BK OV OV OV OV OV OV
CLOUD COVER (%) 80 55 50 80 80 95 90 65 75 65 65 70 80 80 100 100 100
TEMPERATURE 38 38 37 40 39 38 36 38 34 31 30 31 30 32 33 34 35
MIN/MAX TEMP 34 41 29 35
WIND DIR S S S S S S S SW SW S S S S S S S S
WIND (MPH) 8 11 12 13 16 16 11 9 8 10 10 10 11 13 16 17 18
WIND GUST (MPH)
PRECIP PROB (%) 20 5 0 5 40 90 80 50 60 50 50 50 70 70 100 100 100
PRECIP TYPE R R S S S S S S S S S S R R
6 HOUR QPF 0.06 0.00 0.18 0.18 0.05 0.03 0.10 0.35
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.3 0.2 0.5 0.3
12 HOUR SNOW 0.0 0.0 0.5 0.8
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.8 6.5 6.6 7.0 6.8 5.9 5.1 4.5 4.1 3.7 3.6 3.8 4.3 4.4 5.1 5.8 5.6
..MOUNT BAKER SKI AREA
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 SC SC BK BK OV OV OV OV OV OV BK OV OV OV OV
CLOUD COVER (%) 90 80 35 40 65 70 90 100 95 90 85 75 70 80 90 90 100
TEMPERATURE 39 39 38 40 38 40 37 38 35 34 34 33 31 32 33 33 34
MIN/MAX TEMP 36 40 31 35
WIND DIR S S S S SE SE S S S S S S SE SE SE SE SE
WIND (MPH) 10 11 10 14 20 18 11 9 9 8 8 9 10 11 13 13 16
WIND GUST (MPH)
PRECIP PROB (%) 60 20 0 0 5 20 80 100 90 60 40 40 30 30 90 90 100
PRECIP TYPE R R R R S S S S S S S S S S
6 HOUR QPF 0.23 0.01 0.03 0.64 0.25 0.10 0.07 0.15
6 HOUR SNOW 0.0 0.0 0.0 0.6 0.9 0.8 0.6 0.7
12 HOUR SNOW 0.0 0.6 1.7 1.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.2 6.3 6.4 6.5 6.5 6.2 5.1 4.6 4.4 4.1 3.9 3.6 3.6 3.6 3.8 4.4 4.6
..STEVENS PASS
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 SC BK BK OV OV OV OV OV BK BK OV OV OV OV OV
CLOUD COVER (%) 75 70 30 65 65 70 85 100 85 75 60 60 70 80 95 95 100
TEMPERATURE 36 34 33 32 33 33 32 33 32 32 31 29 27 28 29 30 31
MIN/MAX TEMP 31 33 27 31
WIND DIR SE E E E E E E SW W W W SW SE E E E E
WIND (MPH) 3 3 4 5 10 9 2 3 4 4 3 2 2 4 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 30 5 0 0 5 10 70 100 70 50 20 20 30 30 90 90 100
PRECIP TYPE R S S S S S S S S S S S
6 HOUR QPF 0.01 0.00 0.04 0.27 0.13 0.02 0.00 0.18
6 HOUR SNOW 0.0 0.0 0.1 1.2 1.1 0.2 0.0 1.1
12 HOUR SNOW 0.0 1.3 1.3 1.1
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.1 6.5 6.7 6.6 6.3 5.3 4.7 4.6 4.3 4.0 3.7 3.4 3.4 3.4 3.7 4.0 4.2
..SNOQUALMIE PASS (3000 FEET)
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 SC FW BK BK OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 80 50 20 55 60 75 85 95 85 80 65 55 70 80 95 95 100
TEMPERATURE 37 36 34 34 35 34 33 35 35 35 32 31 29 31 33 34 34
MIN/MAX TEMP 34 36 29 35
WIND DIR E E E E SE SE SE SW W W SW SE E E SE SE SE
WIND (MPH) 3 3 4 5 8 6 4 3 2 2 1 2 2 3 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 30 0 0 5 10 20 60 90 70 40 20 20 30 30 90 90 100
PRECIP TYPE R R R S S S S S S R R R R
6 HOUR QPF 0.01 0.00 0.04 0.21 0.11 0.02 0.01 0.24
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) 6.3 6.6 6.8 6.8 6.4 5.5 4.7 4.4 4.4 4.0 3.7 3.5 3.6 3.7 3.8 4.6 4.9
..WHITE PASS
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 SC SC SC BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 35 25 45 65 85 85 95 80 80 75 75 80 85 95 95 100
TEMPERATURE 37 34 32 32 32 32 32 34 32 31 30 30 29 30 31 32 33
MIN/MAX TEMP 30 34 28 33
WIND DIR S SE SE E E SE SW W W W SW SW S SE SE SE SE
WIND (MPH) 5 5 6 9 13 9 5 6 8 6 6 5 5 6 8 9 8
WIND GUST (MPH)
PRECIP PROB (%) 20 0 5 5 5 50 60 90 70 30 30 30 40 40 100 100 100
PRECIP TYPE R S S S S S S S S S S S R
6 HOUR QPF 0.00 0.00 0.05 0.24 0.16 0.02 0.02 0.25
6 HOUR SNOW 0.0 0.0 0.1 1.1 1.6 0.2 0.2 1.1
12 HOUR SNOW 0.0 1.2 1.8 1.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.3 6.5 6.7 6.4 5.9 5.4 5.0 4.7 4.4 4.1 4.0 3.9 4.1 4.1 4.3 4.9 5.3
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE SATURDAY 12/21/24 SUNDAY 12/22/24
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 SC SC OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 50 30 50 70 90 90 95 85 90 75 75 80 85 100 100 100
TEMPERATURE 39 38 38 38 37 36 33 35 32 30 30 30 29 30 31 32 34
MIN/MAX TEMP 32 37 28 34
WIND DIR W W W NE E S SW W W W W SW SW SE SE SE SE
WIND (MPH) 4 6 10 16 18 8 8 8 8 8 6 8 9 11 12 13 12
WIND GUST (MPH) 25
PRECIP PROB (%) 20 5 0 5 10 60 70 90 70 30 30 30 40 40 100 100 100
PRECIP TYPE S S S S S S S S S S S S R
6 HOUR QPF 0.03 0.00 0.21 0.53 0.19 0.04 0.08 0.43
6 HOUR SNOW 0.0 0.0 0.4 4.3 2.1 0.4 0.8 2.4
12 HOUR SNOW 0.0 4.7 2.5 3.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.3 6.7 7.0 6.7 6.4 5.9 5.2 4.7 4.4 4.1 3.9 4.0 4.3 4.1 4.5 5.2 5.7
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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