242
FWUS46 KSEW 192329
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
329 PM PST THU DEC 19 2024
..HURRICANE RIDGE
DATE FRIDAY 12/20/24 SATURDAY 12/21/24
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 BK BK SC BK OV BK OV OV OV
CLOUD COVER (%) 95 65 55 65 60 80 80 85 60 65 40 60 75 70 95 95 85
TEMPERATURE 39 38 37 37 37 38 41 42 39 38 37 37 36 38 37 36 34
MIN/MAX TEMP 36 43 34 39
WIND DIR S SW S S S S S S S S S S SE S S S SW
WIND (MPH) 10 12 10 10 11 12 14 12 13 13 12 14 17 18 16 11 9
WIND GUST (MPH) 29
PRECIP PROB (%) 100 30 5 0 5 20 20 80 40 10 5 5 50 50 90 90 80
PRECIP TYPE R R R R R R R R S S S
6 HOUR QPF 0.16 0.01 0.01 0.08 0.04 0.00 0.19 0.23
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3
12 HOUR SNOW 0.0 0.0 0.0 0.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.1 6.9 5.9 5.6 7.8 7.6 6.3 6.8 6.7 6.6 6.5 6.6 6.5 6.1 5.5 4.9 4.5
..MOUNT BAKER SKI AREA
DATE FRIDAY 12/20/24 SATURDAY 12/21/24
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 SC SC BK OV OV OV
CLOUD COVER (%) 95 100 80 80 80 75 85 90 90 75 70 50 50 65 90 90 95
TEMPERATURE 38 38 38 38 37 39 39 41 40 39 39 38 37 38 37 36 34
MIN/MAX TEMP 37 42 36 38
WIND DIR S S S S S S SE SE SE SE SE SE E E SE S S
WIND (MPH) 13 14 12 10 9 12 13 13 12 13 13 14 19 21 16 10 9
WIND GUST (MPH)
PRECIP PROB (%) 70 100 40 5 0 5 70 40 50 50 5 5 30 30 80 80 90
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 1.11 0.05 0.01 0.03 0.07 0.01 0.00 0.32
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.1 6.4 6.4 6.1 5.9 7.4 7.2 6.5 6.1 6.5 6.4 6.3 6.1 5.8 5.3 4.9 4.5
..STEVENS PASS
DATE FRIDAY 12/20/24 SATURDAY 12/21/24
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 BK OV OV OV OV OV SC BK BK OV OV OV OV
CLOUD COVER (%) 85 90 75 75 65 75 85 85 90 70 45 55 60 75 95 95 90
TEMPERATURE 33 33 33 33 31 33 33 36 36 34 33 31 30 31 31 32 32
MIN/MAX TEMP 31 36 29 32
WIND DIR E SE S S E E E E E E E E E E E S W
WIND (MPH) 5 5 3 2 3 4 5 5 4 5 5 6 9 11 6 4 4
WIND GUST (MPH)
PRECIP PROB (%) 30 80 40 0 0 40 40 30 30 20 5 5 40 40 90 90 90
PRECIP TYPE S R R R R R R R S S S S S
6 HOUR QPF 0.11 0.03 0.01 0.02 0.02 0.00 0.01 0.29
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.5
12 HOUR SNOW 0.0 0.0 0.0 1.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.0 6.2 6.6 6.6 7.4 7.6 6.9 6.4 6.4 6.0 5.8 5.8 5.3 4.9 4.4 4.5 4.4
..SNOQUALMIE PASS (3000 FEET)
DATE FRIDAY 12/20/24 SATURDAY 12/21/24
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 BK OV OV OV OV BK SC SC BK BK OV OV OV
CLOUD COVER (%) 80 90 80 70 65 75 80 75 85 60 30 50 65 65 95 95 90
TEMPERATURE 35 35 35 35 33 35 36 39 37 36 34 33 33 34 34 34 34
MIN/MAX TEMP 33 39 33 36
WIND DIR SE SE SE SE E SE E SE SE SE E E E E SE S SW
WIND (MPH) 5 4 3 2 3 4 6 5 5 5 5 6 8 8 6 4 3
WIND GUST (MPH)
PRECIP PROB (%) 30 90 30 0 5 30 40 30 30 20 5 5 40 40 90 90 90
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.20 0.04 0.01 0.03 0.02 0.00 0.04 0.28
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.1 6.8 7.0 6.7 7.9 7.4 6.8 6.5 6.4 6.2 6.2 6.0 6.2 5.2 4.9 4.7 4.5
..WHITE PASS
DATE FRIDAY 12/20/24 SATURDAY 12/21/24
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 OV BK OV OV OV OV BK SC BK OV OV OV OV OV
CLOUD COVER (%) 80 85 70 75 65 80 80 85 80 60 30 50 70 70 95 95 85
TEMPERATURE 36 36 36 35 34 35 36 38 37 35 32 32 31 31 31 32 32
MIN/MAX TEMP 34 39 30 33
WIND DIR S SW SW S SE SE SE S S SE SE E E E SE SW W
WIND (MPH) 6 6 5 5 4 5 6 6 6 6 6 9 13 14 9 8 8
WIND GUST (MPH) 31 32
PRECIP PROB (%) 20 60 10 0 10 30 30 20 20 5 5 5 60 60 100 100 80
PRECIP TYPE R R R R R R S S S S S
6 HOUR QPF 0.02 0.01 0.00 0.01 0.00 0.00 0.07 0.20
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.9
12 HOUR SNOW 0.0 0.0 0.0 1.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.1 6.7 7.0 7.0 7.4 7.1 6.4 6.5 6.2 6.3 6.1 6.4 5.8 5.1 5.0 4.7 4.6
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE FRIDAY 12/20/24 SATURDAY 12/21/24
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 BK OV OV OV OV OV SC BK OV OV OV OV OV
CLOUD COVER (%) 90 95 75 70 65 85 80 85 85 80 35 55 70 75 95 95 90
TEMPERATURE 38 37 37 37 36 39 39 41 40 37 37 36 34 35 33 32 31
MIN/MAX TEMP 35 42 32 36
WIND DIR W W W W W W NW SW W S SE E E E SE SW SW
WIND (MPH) 10 11 10 8 8 9 6 9 8 9 11 16 21 21 13 9 9
WIND GUST (MPH)
PRECIP PROB (%) 20 80 20 0 10 30 40 30 20 5 5 5 50 50 100 100 80
PRECIP TYPE S S R R R R S R S S S S
6 HOUR QPF 0.36 0.02 0.04 0.04 0.02 0.00 0.15 0.33
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.1 2.3
12 HOUR SNOW 0.1 0.0 0.0 2.4
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 7.1 6.7 7.0 7.3 7.8 7.2 6.5 6.4 6.1 6.5 6.3 6.3 6.3 6.0 5.5 4.9 4.6
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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