077
FWUS46 KSEW 101156
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
356 AM PST SUN DEC 10 2023
..HURRICANE RIDGE
DATE SUNDAY 12/10/23 MONDAY 12/11/23
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 BK OV BK BK BK BK BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 90 90 65 70 65 65 55 55 65 55 55 65 70 60 55 55 55
TEMPERATURE 37 36 35 36 34 31 29 28 28 28 30 31 30 29 28 28 27
MAX/MIN TEMP 37 28 32 25
WIND DIR SW S S S SW SW SW NE E E E E E SE S S S
WIND (MPH) 5 6 8 11 9 8 4 2 4 4 5 5 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 40 40 20 20 20 20 20 20 20 20 20 20 5 5 0 0 0
PRECIP TYPE R R R R S S S S S S S S
12 HOUR QPF 0.05 0.02 0.02 0.00
12 HOUR SNOW 0.0 0.2 0.2 0.0
12 HOUR ICE 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.9 6.5 6.0 5.4 4.8 4.1 3.6 3.4 3.2 3.3 3.3 3.7 3.7 3.4 3.2 3.3 3.3
..MOUNT BAKER SKI AREA
DATE SUNDAY 12/10/23 MONDAY 12/11/23
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 BK BK BK BK BK BK BK BK
CLOUD COVER (%) 100 100 95 100 95 95 90 90 75 60 60 60 55 55 55 55 55
TEMPERATURE 36 36 36 36 35 35 35 34 33 32 33 34 33 30 30 29 29
MAX/MIN TEMP 37 31 36 28
WIND DIR S S S S SW SW SW S S E NE NE SE E E E E
WIND (MPH) 14 10 8 5 6 5 2 2 3 3 4 4 5 6 6 6 5
WIND GUST (MPH)
PRECIP PROB (%) 70 50 50 50 90 90 90 70 70 20 40 40 10 10 5 5 0
PRECIP TYPE S S R R R R S S S S S S
12 HOUR QPF 0.13 0.05 0.04 0.00
12 HOUR SNOW 0.6 0.0 0.3 0.0
12 HOUR ICE 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.0 3.0 6.1 5.9 5.4 5.0 4.5 4.3 4.0 3.7 3.5 3.8 3.7 3.4 3.3 3.0 2.9
..STEVENS PASS
DATE SUNDAY 12/10/23 MONDAY 12/11/23
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 BK BK BK OV BK BK BK
CLOUD COVER (%) 100 100 90 100 95 95 90 90 85 75 60 60 55 70 55 55 55
TEMPERATURE 34 34 35 36 35 35 34 34 33 32 31 34 32 29 28 28 27
MAX/MIN TEMP 36 31 34 25
WIND DIR SW SW W W W W W W W W NW N NE E E E E
WIND (MPH) 10 10 10 10 9 8 6 5 4 5 4 4 5 5 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 100 100 80 80 90 90 90 40 40 40 10 10 20 20 10 10 10
PRECIP TYPE S S R R R S S S S S S S
12 HOUR QPF 0.64 0.10 0.01 0.01
12 HOUR SNOW 4.2 0.3 0.1 0.1
12 HOUR ICE 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.1 3.1 6.2 6.0 5.7 5.3 4.8 4.2 3.8 3.5 3.5 3.9 3.6 3.2 2.9 2.8 2.6
..SNOQUALMIE PASS (3000 FEET)
DATE SUNDAY 12/10/23 MONDAY 12/11/23
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 BK BK BK BK BK BK BK
CLOUD COVER (%) 100 100 95 100 95 95 90 90 85 75 55 55 55 55 55 55 55
TEMPERATURE 34 35 36 38 37 37 36 35 34 33 33 35 34 31 30 28 28
MAX/MIN TEMP 38 32 36 27
WIND DIR S SW W W W W W W NW N N E E E E E E
WIND (MPH) 6 5 8 8 5 4 4 3 3 3 4 5 5 6 6 6 9
WIND GUST (MPH)
PRECIP PROB (%) 100 100 70 70 90 90 70 70 70 40 20 20 20 20 10 10 10
PRECIP TYPE S S R R R R R R R S S R R S
12 HOUR QPF 0.63 0.08 0.02 0.01
12 HOUR SNOW 4.4 0.0 0.0 0.0
12 HOUR ICE 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.1 3.1 6.4 6.1 5.7 5.3 4.7 4.1 3.7 3.4 3.4 3.8 3.7 3.4 3.1 3.1 2.9
..WHITE PASS
DATE SUNDAY 12/10/23 MONDAY 12/11/23
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 BK BK BK BK BK BK BK
CLOUD COVER (%) 100 100 85 90 85 85 95 95 80 70 55 55 55 55 55 55 55
TEMPERATURE 33 34 34 34 34 34 34 33 32 31 30 32 32 29 27 26 25
MAX/MIN TEMP 35 30 34 23
WIND DIR W W W W W W W W W NW E E E E E E E
WIND (MPH) 14 14 14 12 10 9 9 8 6 2 6 6 8 8 9 8 10
WIND GUST (MPH)
PRECIP PROB (%) 100 100 70 70 90 90 70 70 70 40 20 20 20 20 10 10 10
PRECIP TYPE R R R R R R R S S S S S S S
12 HOUR QPF 0.63 0.09 0.02 0.01
12 HOUR SNOW 0.0 0.0 0.2 0.1
12 HOUR ICE 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.2 6.5 6.3 6.2 5.9 5.6 5.2 4.5 3.9 3.5 3.3 3.9 3.9 3.5 3.2 3.2 3.1
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE SUNDAY 12/10/23 MONDAY 12/11/23
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 BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 100 100 90 90 85 85 90 90 60 55 55 55 55 60 55 55 55
TEMPERATURE 33 33 33 34 34 34 32 30 27 26 28 31 30 28 28 27 27
MAX/MIN TEMP 35 26 33 24
WIND DIR W W W W W W W W NW N NE NE NE NE NE E E
WIND (MPH) 16 21 29 21 11 9 16 12 9 2 4 4 5 5 5 4 5
WIND GUST (MPH)
PRECIP PROB (%) 100 100 70 70 80 80 60 60 60 30 20 20 10 10 5 5 5
PRECIP TYPE R R R R R S S S S S S S
12 HOUR QPF 1.03 0.06 0.02 0.00
12 HOUR SNOW 0.0 0.2 0.2 0.0
12 HOUR ICE 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 6.6 6.8 6.5 6.2 5.9 5.4 4.9 4.3 3.7 3.4 3.3 4.0 4.1 3.7 3.5 3.3 3.2
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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