416
FWUS46 KSEW 200947
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
247 AM PDT TUE MAY 20 2025
..HURRICANE RIDGE
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER BK BK OV OV OV BK SC SC SC SC BK OV OV BK BK BK BK
CLOUD COVER (%) 60 60 70 80 80 60 40 30 40 45 65 80 80 65 60 60 55
TEMPERATURE 31 33 35 37 36 34 31 30 28 32 36 38 38 37 33 33 32
MAX/MIN TEMP 38 28 39 32
WIND DIR SW SW SW SW SW SW SW SW SW NW N N N N S S S
WIND (MPH) 6 4 4 4 6 10 9 8 5 4 6 5 5 4 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 40 40 50 70 40 5 10 10 10 10 20 20 5 5 5 5 5
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.02 0.06 0.01 0.00 0.01 0.04 0.00 0.00
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 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) 3.9 4.3 4.6 4.8 4.7 4.3 3.9 3.7 3.7 4.1 4.5 4.9 5.0 4.9 4.7 4.6 4.5
..MOUNT BAKER SKI AREA
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV OV OV OV OV OV BK BK BK BK BK SC SC BK BK
CLOUD COVER (%) 95 90 85 80 85 85 80 80 70 65 60 55 55 45 45 55 65
TEMPERATURE 34 34 35 38 38 36 35 34 34 35 39 42 43 41 36 36 35
MAX/MIN TEMP 40 33 44 34
WIND DIR S S S S SW SW SW SW S S W W W NW E E E
WIND (MPH) 4 6 8 8 6 8 4 3 2 2 4 5 5 4 3 3 4
WIND GUST (MPH)
PRECIP PROB (%) 90 80 80 70 80 60 30 20 40 40 30 30 5 5 5 5 10
PRECIP TYPE S S S S S S S S S S S R
6 HOUR QPF 0.09 0.14 0.09 0.01 0.00 0.01 0.00 0.00
6 HOUR SNOW 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 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) 3.9 4.1 4.4 4.7 4.7 4.7 4.3 4.1 3.8 4.0 4.3 4.9 5.2 5.1 4.8 4.8 4.7
..STEVENS PASS
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV BK OV OV OV OV OV OV BK SC BK BK BK OV OV
CLOUD COVER (%) 80 85 80 65 75 85 80 85 85 80 55 45 60 65 70 75 70
TEMPERATURE 34 35 38 41 40 38 36 35 35 36 42 48 49 44 38 37 36
MAX/MIN TEMP 42 34 49 36
WIND DIR W W W W W W W W W W W W W NW E E E
WIND (MPH) 5 5 5 5 5 6 4 4 3 2 2 3 4 3 2 2 1
WIND GUST (MPH)
PRECIP PROB (%) 50 40 50 40 60 50 30 20 10 10 10 10 10 10 10 10 20
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.16 0.12 0.12 0.11 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.4 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) 4.0 4.1 4.6 5.0 5.0 4.9 4.5 4.2 3.9 4.1 4.5 5.3 5.7 5.9 5.8 5.4 5.2
..SNOQUALMIE PASS (3000 FEET)
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV SC SC BK BK OV OV BK
CLOUD COVER (%) 85 80 75 70 80 85 85 85 80 70 50 40 55 60 70 75 70
TEMPERATURE 35 35 39 43 43 39 37 36 36 35 44 50 52 46 39 38 37
MAX/MIN TEMP 45 35 52 37
WIND DIR W W W W W W W W W W NW NW NW NW NE E SE
WIND (MPH) 3 3 4 4 4 4 2 2 1 1 2 3 3 2 1 1 1
WIND GUST (MPH)
PRECIP PROB (%) 50 40 40 50 70 60 40 20 10 10 5 5 10 10 20 20 20
PRECIP TYPE S S S R R R S S R R R
6 HOUR QPF 0.10 0.15 0.15 0.04 0.01 0.00 0.00 0.00
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) 4.1 4.1 4.6 4.9 5.0 4.8 4.5 4.2 4.0 4.1 4.5 5.2 5.7 5.9 5.7 5.4 5.2
..WHITE PASS
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV OV BK OV OV OV OV OV BK FW SC BK OV OV OV OV
CLOUD COVER (%) 85 85 75 65 75 85 85 80 70 55 20 35 65 85 85 80 75
TEMPERATURE 32 33 36 41 40 36 35 33 31 33 43 50 51 45 39 38 36
MAX/MIN TEMP 42 31 52 36
WIND DIR W W W W W W W W W W W W W N E SE W
WIND (MPH) 10 10 10 10 10 10 8 6 4 4 4 5 5 3 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 50 20 20 40 40 30 10 0 5 5 5 5 10 10 30 30 30
PRECIP TYPE S S S S S S R R R
6 HOUR QPF 0.12 0.03 0.14 0.03 0.00 0.00 0.00 0.02
6 HOUR SNOW 1.1 0.0 0.0 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.1 0.1 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) 4.1 4.2 4.7 5.1 5.2 4.9 4.5 4.2 3.9 4.0 4.9 5.9 6.2 6.3 6.0 5.6 5.4
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER OV OV BK OV OV OV OV BK BK SC SC SC BK OV OV OV OV
CLOUD COVER (%) 80 70 60 75 80 85 70 55 55 40 40 45 65 80 80 75 70
TEMPERATURE 30 31 33 34 35 34 32 29 28 30 37 43 45 41 38 36 34
MAX/MIN TEMP 37 28 45 34
WIND DIR W W W W W W W W NW W SW W W N E E SE
WIND (MPH) 9 9 8 9 9 9 6 3 2 2 3 5 8 3 3 2 2
WIND GUST (MPH)
PRECIP PROB (%) 60 60 30 60 70 40 10 0 5 5 5 5 10 10 30 30 30
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.12 0.13 0.12 0.01 0.00 0.00 0.00 0.02
6 HOUR SNOW 1.5 0.8 0.5 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 2.3 0.6 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) 4.1 4.2 4.7 5.1 5.1 4.9 4.3 3.9 3.7 4.2 4.9 5.7 6.0 6.0 5.9 5.6 5.3
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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