451
FWUS46 KSEW 202208
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
307 PM PDT TUE MAY 20 2025
..HURRICANE RIDGE
DATE WEDNESDAY 05/21/25 THURSDAY 05/22/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV SC SC SC SC OV OV OV OV BK BK SC SC BK OV OV
CLOUD COVER (%) 80 75 40 45 45 45 75 80 90 85 65 55 50 35 50 70 75
TEMPERATURE 37 34 31 30 30 33 36 38 38 36 33 33 32 36 42 42 41
MIN/MAX TEMP 28 40 32 44
WIND DIR W W SW W SW N N NE NE N S S S SE N N NW
WIND (MPH) 6 9 8 8 6 4 6 4 5 4 4 4 4 3 6 5 6
WIND GUST (MPH)
PRECIP PROB (%) 40 10 5 20 10 10 10 20 5 5 0 0 0 0 5 5 5
PRECIP TYPE S S S
6 HOUR QPF 0.01 0.00 0.02 0.03 0.00 0.00 0.00 0.01
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 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) 4.7 4.4 3.9 3.8 3.8 4.3 4.8 5.1 5.1 5.0 4.6 4.5 4.7 4.7 5.2 5.5 5.7
..MOUNT BAKER SKI AREA
DATE WEDNESDAY 05/21/25 THURSDAY 05/22/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV OV OV BK BK BK SC BK BK SC BK OV BK SC BK BK
CLOUD COVER (%) 85 80 75 80 70 60 60 50 55 55 50 60 70 60 50 55 65
TEMPERATURE 39 37 35 35 33 35 39 42 44 41 37 37 36 40 45 46 46
MIN/MAX TEMP 33 44 35 48
WIND DIR SW SW S S S S S W NW NW E E E S W W W
WIND (MPH) 6 6 4 3 2 2 3 4 5 4 4 4 4 2 6 9 8
WIND GUST (MPH)
PRECIP PROB (%) 80 30 30 10 30 30 20 20 5 5 5 5 5 5 20 20 10
PRECIP TYPE R S S S S S R R R
6 HOUR QPF 0.05 0.02 0.00 0.00 0.00 0.00 0.00 0.03
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) 4.8 4.7 4.4 4.1 3.9 4.2 4.7 5.2 5.3 5.3 5.2 5.4 5.3 5.2 5.6 6.0 6.0
..STEVENS PASS
DATE WEDNESDAY 05/21/25 THURSDAY 05/22/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER BK OV OV OV OV OV SC SC BK OV OV OV OV BK BK BK SC
CLOUD COVER (%) 65 80 80 80 80 75 45 40 70 80 70 80 85 70 55 55 45
TEMPERATURE 42 39 37 35 35 36 43 49 49 44 39 39 38 40 47 49 48
MIN/MAX TEMP 34 50 37 50
WIND DIR W W W W W W W W W W E E SE W W W W
WIND (MPH) 5 6 4 4 3 2 2 3 3 2 2 2 1 2 3 4 5
WIND GUST (MPH)
PRECIP PROB (%) 40 50 30 20 5 0 0 5 5 5 10 10 20 20 30 30 20
PRECIP TYPE S S S S R R R R R
6 HOUR QPF 0.14 0.11 0.01 0.00 0.00 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) 5.1 4.9 4.6 4.3 4.0 4.4 5.2 6.0 6.3 6.3 5.9 5.6 5.4 5.4 5.9 6.2 6.3
..SNOQUALMIE PASS (3000 FEET)
DATE WEDNESDAY 05/21/25 THURSDAY 05/22/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV OV OV BK BK SC SC BK OV OV OV OV BK BK BK SC
CLOUD COVER (%) 80 80 80 80 70 60 35 35 60 70 75 80 80 65 55 55 45
TEMPERATURE 45 40 38 37 35 36 45 52 54 47 40 39 38 39 47 50 51
MIN/MAX TEMP 35 54 37 52
WIND DIR W W W W NW NW NW NW NW NW E SE SE W W W W
WIND (MPH) 4 4 2 2 1 1 2 3 3 2 1 1 1 1 3 4 4
WIND GUST (MPH)
PRECIP PROB (%) 60 60 30 30 10 5 0 0 5 5 20 20 30 30 30 30 20
PRECIP TYPE R R R S R R R R R R R
6 HOUR QPF 0.15 0.03 0.01 0.00 0.00 0.01 0.02 0.01
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) 5.1 4.9 4.6 4.2 3.9 4.3 5.1 5.9 6.2 6.2 5.9 5.7 5.4 5.4 5.6 6.0 6.1
..WHITE PASS
DATE WEDNESDAY 05/21/25 THURSDAY 05/22/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV OV OV OV BK FW SC OV OV OV OV OV OV BK BK BK
CLOUD COVER (%) 70 90 80 80 70 55 15 40 80 90 85 85 85 75 65 70 65
TEMPERATURE 42 38 35 33 31 33 44 51 52 46 40 39 37 39 44 47 47
MIN/MAX TEMP 31 53 37 49
WIND DIR W W W W W W W W W E E SE W W W W W
WIND (MPH) 10 10 6 6 5 4 4 5 5 3 3 2 2 3 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 30 30 10 0 0 0 0 0 10 10 30 30 40 40 30 30 10
PRECIP TYPE S S R R R S R R
6 HOUR QPF 0.10 0.03 0.00 0.00 0.00 0.06 0.06 0.02
6 HOUR SNOW 0.0 0.1 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) 5.2 5.0 4.7 4.2 3.8 4.6 5.7 6.4 6.5 6.5 6.2 5.8 5.6 5.6 5.9 6.3 6.5
..PARADISE (MOUNT RAINIER - 5420 FEET)
DATE WEDNESDAY 05/21/25 THURSDAY 05/22/25
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV BK BK BK SC SC BK OV OV OV OV OV OV OV BK BK
CLOUD COVER (%) 75 85 65 60 55 40 40 65 80 85 85 80 85 70 70 70 60
TEMPERATURE 36 34 32 30 29 30 37 43 44 42 39 38 36 35 38 41 41
MIN/MAX TEMP 27 46 35 43
WIND DIR W W W W W S SE SW N NE E SE SE SW W W W
WIND (MPH) 10 9 5 3 2 2 3 5 6 3 2 2 2 2 5 6 8
WIND GUST (MPH)
PRECIP PROB (%) 60 40 10 0 0 0 0 5 10 10 30 30 40 40 30 30 10
PRECIP TYPE S S R R S S S R
6 HOUR QPF 0.12 0.00 0.00 0.00 0.00 0.11 0.09 0.03
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) 5.2 5.0 4.5 3.9 3.7 4.6 5.5 6.1 6.2 6.1 6.0 6.0 5.6 5.6 5.8 6.1 6.3
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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