Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
708
FWUS46 KSEW 131048
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
248 AM PST FRI DEC 13 2024
...HURRICANE RIDGE...
DATE FRIDAY 12/13/24 SATURDAY 12/14/24
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 70 80 85 95 85 90 95 85 95 95 90 90 80 80 70 70 60
TEMPERATURE 29 30 30 32 32 32 31 31 30 30 30 30 28 28 27 25 24
MAX/MIN TEMP 32 29 32 23
WIND DIR S S S S S S S S S S S SW SW SW SW SW S
WIND (MPH) 11 14 16 16 19 21 21 21 28 29 21 16 14 13 11 11 9
WIND GUST (MPH)
PRECIP PROB (%) 30 50 50 90 80 90 90 70 90 90 90 90 70 70 60 60 40
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.14 0.20 0.31 0.27 0.14 0.12 0.05
6 HOUR SNOW 0.1 0.7 0.9 1.8 2.1 1.3 1.3 0.5
12 HOUR SNOW 0.8 2.7 3.4 1.8
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.9 3.7 3.9 4.2 4.3 4.2 4.0 3.7 3.5 3.5 3.3 3.0 2.9 2.5 2.3 2.2 2.1
...MOUNT BAKER SKI AREA...
DATE FRIDAY 12/13/24 SATURDAY 12/14/24
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 OV OV OV OV OV OV OV
CLOUD COVER (%) 85 80 80 85 90 95 95 95 95 95 100 100 100 100 95 95 90
TEMPERATURE 31 32 31 32 33 32 32 31 31 32 31 31 31 31 30 29 28
MAX/MIN TEMP 34 30 33 26
WIND DIR S S S SE SE SE SE SE S S S S S S S S SW
WIND (MPH) 9 12 13 13 16 17 16 14 19 17 19 16 13 13 11 10 6
WIND GUST (MPH)
PRECIP PROB (%) 40 10 30 60 70 90 100 90 100 100 100 100 100 100 90 90 80
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.05 0.25 0.67 0.65 0.44 0.57 0.26 0.27
6 HOUR SNOW 0.4 1.7 4.3 5.1 3.9 4.8 2.5 3.0
12 HOUR SNOW 2.1 9.4 8.7 5.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.6 3.6 3.5 3.6 3.5 3.5 3.3 3.3 3.4 3.3 3.2 3.3 3.2 2.9 2.5 2.3 2.1
...STEVENS PASS...
DATE FRIDAY 12/13/24 SATURDAY 12/14/24
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 OV OV OV OV OV OV OV
CLOUD COVER (%) 75 70 75 75 95 100 90 85 95 95 95 95 90 90 85 85 75
TEMPERATURE 26 26 26 28 28 27 27 28 27 27 28 31 29 29 28 27 27
MAX/MIN TEMP 29 25 31 25
WIND DIR SE E E E E E E E E E S SW W W W W W
WIND (MPH) 3 4 8 8 9 9 9 6 4 3 4 8 9 12 12 12 11
WIND GUST (MPH)
PRECIP PROB (%) 5 5 10 40 90 100 80 70 90 90 100 100 90 90 80 80 60
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.02 0.09 0.06 0.02 0.06 0.12 0.08
6 HOUR SNOW 0.0 0.2 0.9 0.6 0.2 0.5 1.2 0.9
12 HOUR SNOW 0.2 1.5 0.7 2.1
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.4 3.0 2.9 3.0 2.8 2.9 3.2 3.4 3.4 3.1 3.2 3.3 3.2 2.8 2.4 2.3 2.2
...SNOQUALMIE PASS (3000 FEET)...
DATE FRIDAY 12/13/24 SATURDAY 12/14/24
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 50 75 80 95 100 80 80 95 95 100 100 95 95 85 85 75
TEMPERATURE 28 28 29 31 31 30 30 30 30 29 31 32 32 31 30 29 28
MAX/MIN TEMP 32 28 33 26
WIND DIR SE SE SE SE SE SE SE SE SE SE S S W W W W W
WIND (MPH) 4 5 8 12 12 12 11 8 6 8 6 4 3 5 6 6 4
WIND GUST (MPH)
PRECIP PROB (%) 5 5 10 50 90 100 70 50 90 90 100 100 90 90 80 80 60
PRECIP TYPE S S S S S S S S R S S S S S
6 HOUR QPF 0.00 0.05 0.08 0.07 0.01 0.10 0.19 0.11
6 HOUR SNOW 0.0 0.3 0.5 0.5 0.1 0.4 1.3 1.1
12 HOUR SNOW 0.3 1.0 0.5 2.4
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.1 2.8 3.0 3.0 2.9 2.9 2.9 3.0 3.0 3.0 3.0 3.2 3.2 2.8 2.4 2.4 2.2
...WHITE PASS...
DATE FRIDAY 12/13/24 SATURDAY 12/14/24
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 50 55 75 80 95 95 85 85 90 90 95 95 90 90 85 85 70
TEMPERATURE 26 25 27 29 30 28 28 29 29 29 29 30 29 27 26 25 24
MAX/MIN TEMP 31 27 31 23
WIND DIR SW S E SE SE SE SE S SW SW SW W W W W W W
WIND (MPH) 4 3 6 9 10 10 9 6 9 9 11 11 10 12 12 13 13
WIND GUST (MPH)
PRECIP PROB (%) 0 5 10 50 90 90 70 40 90 90 100 100 90 90 80 80 50
PRECIP TYPE S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.09 0.18 0.05 0.01 0.13 0.09 0.04
6 HOUR SNOW 0.0 0.8 1.5 0.5 0.1 1.2 1.0 0.5
12 HOUR SNOW 0.8 2.0 1.3 1.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.7 3.3 3.6 3.6 3.5 3.6 4.0 3.9 3.7 3.5 3.5 3.5 3.1 2.7 2.3 2.3 2.0
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE FRIDAY 12/13/24 SATURDAY 12/14/24
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 55 75 85 85 90 100 90 90 90 90 100 100 95 95 90 90 75
TEMPERATURE 27 27 29 30 31 29 30 30 29 28 28 29 27 26 24 24 23
MAX/MIN TEMP 31 27 30 23
WIND DIR W W W SW SW S S SW SW SW SW W W W W W W
WIND (MPH) 8 8 8 9 11 13 13 12 13 17 13 14 14 21 21 23 17
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 70 90 100 80 50 90 90 100 100 90 90 90 90 60
PRECIP TYPE S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.36 0.56 0.39 0.18 0.26 0.25 0.20
6 HOUR SNOW 0.1 3.7 5.1 4.0 2.0 2.9 3.3 2.7
12 HOUR SNOW 3.8 9.1 4.9 6.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 3.7 3.7 4.1 4.3 4.3 4.2 4.2 3.9 3.7 3.5 3.5 3.5 3.2 2.6 2.3 2.4 2.2
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN