Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
178
FWUS46 KSEW 121051
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
351 AM PDT WED MAR 12 2025
...HURRICANE RIDGE...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 OV OV OV OV OV OV OV
CLOUD COVER (%) 90 85 85 90 85 90 85 75 75 75 95 95 90 90 80 80 80
TEMPERATURE 27 28 30 30 30 27 26 24 22 21 26 26 26 22 20 20 21
MAX/MIN TEMP 32 20 28 20
WIND DIR S S S S SW SW SW SW SW SW W W W SW SW S S
WIND (MPH) 11 9 6 6 8 6 6 10 12 11 9 8 9 9 10 10 14
WIND GUST (MPH)
PRECIP PROB (%) 90 70 60 80 70 70 40 40 60 60 100 100 80 80 70 70 70
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.15 0.22 0.09 0.07 0.04 0.09 0.01 0.02
6 HOUR SNOW 1.3 1.9 1.0 0.8 0.5 1.1 0.1 0.3
12 HOUR SNOW 3.2 1.8 1.6 0.4
6 HOUR ICE 0.00 0.00 MM MM MM MM MM MM
SNOW LEVEL (KFT) 3.4 3.3 3.4 3.4 3.3 2.8 2.3 1.7 1.4 1.2 1.3 1.4 1.3 1.1 0.8 1.1 1.1
...MOUNT BAKER SKI AREA...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 OV OV OV OV OV OV OV
CLOUD COVER (%) 95 90 100 90 95 90 95 95 100 100 100 100 100 100 90 90 80
TEMPERATURE 31 31 33 33 34 32 32 30 28 28 28 28 28 25 24 23 23
MAX/MIN TEMP 35 27 30 23
WIND DIR S S S S S S S SW W W W W W SW SW S SE
WIND (MPH) 10 10 11 10 9 4 4 4 6 8 12 13 10 6 4 4 8
WIND GUST (MPH)
PRECIP PROB (%) 90 60 100 80 90 70 80 90 100 100 100 100 100 100 90 90 70
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.34 0.40 0.25 0.16 0.16 0.11 0.08 0.06
6 HOUR SNOW 3.3 3.3 2.3 1.7 1.9 1.5 1.1 0.9
12 HOUR SNOW 6.6 4.0 3.4 2.0
6 HOUR ICE 0.00 0.00 MM MM MM MM MM MM
SNOW LEVEL (KFT) 3.2 3.4 3.5 3.8 3.7 3.4 3.1 2.6 2.1 1.7 1.6 1.6 1.5 1.1 0.9 0.9 0.8
...STEVENS PASS...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 OV OV OV OV OV BK BK
CLOUD COVER (%) 90 85 100 85 90 95 95 90 95 95 95 95 90 90 70 70 65
TEMPERATURE 31 30 33 36 35 33 32 31 29 27 26 28 27 26 24 23 21
MAX/MIN TEMP 37 26 29 19
WIND DIR S S SE S SW W W W W W W W W W W W SE
WIND (MPH) 2 3 4 4 3 2 3 4 5 8 9 8 6 4 4 2 3
WIND GUST (MPH)
PRECIP PROB (%) 70 70 100 40 40 90 90 80 90 90 90 90 80 80 50 50 40
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.04 0.06 0.13 0.22 0.22 0.09 0.07 0.03
6 HOUR SNOW 0.4 0.2 0.7 2.3 2.8 1.3 1.0 0.4
12 HOUR SNOW 0.6 3.0 4.1 1.4
6 HOUR ICE 0.00 0.00 MM MM MM MM MM MM
SNOW LEVEL (KFT) 3.5 3.8 4.2 4.4 4.4 4.0 3.5 3.0 2.2 1.7 1.5 1.5 1.7 1.2 1.0 0.9 0.7
...SNOQUALMIE PASS (3000 FEET)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 OV OV OV OV OV OV BK
CLOUD COVER (%) 90 90 100 80 85 95 95 95 90 90 100 100 95 95 70 70 65
TEMPERATURE 32 32 34 38 38 34 33 31 29 28 28 31 30 27 26 23 22
MAX/MIN TEMP 40 27 32 21
WIND DIR SE SE SE SE S SW W W W W W W W W W SW E
WIND (MPH) 2 2 3 3 2 2 2 3 3 4 5 6 5 3 2 1 3
WIND GUST (MPH)
PRECIP PROB (%) 80 60 100 50 40 90 90 90 90 90 100 100 90 90 60 60 50
PRECIP TYPE S S S S R S S S S S S S S S S S S
6 HOUR QPF 0.08 0.07 0.16 0.23 0.24 0.12 0.10 0.03
6 HOUR SNOW 0.5 0.0 0.3 2.1 2.8 1.5 1.3 0.4
12 HOUR SNOW 0.5 2.4 4.3 1.7
6 HOUR ICE 0.00 0.00 MM MM MM MM MM MM
SNOW LEVEL (KFT) 3.5 3.7 4.0 4.3 4.3 4.0 3.4 2.8 1.9 1.7 1.4 1.6 1.7 1.3 1.1 0.9 0.8
...WHITE PASS...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 OV OV OV OV BK BK BK
CLOUD COVER (%) 85 80 100 70 85 85 100 85 85 85 100 100 90 90 65 70 65
TEMPERATURE 31 31 34 36 35 31 31 29 27 25 26 28 27 24 23 20 20
MAX/MIN TEMP 37 24 29 19
WIND DIR SW S S SW SW W W W W W W W W W W SW S
WIND (MPH) 6 6 8 6 5 5 6 11 13 14 13 13 13 10 9 6 9
WIND GUST (MPH) 31 32 32 32 31
PRECIP PROB (%) 40 50 100 40 30 80 100 70 80 80 100 100 90 90 40 40 40
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.07 0.06 0.10 0.19 0.14 0.11 0.06 0.02
6 HOUR SNOW 0.7 0.2 0.9 2.3 2.0 1.6 0.9 0.3
12 HOUR SNOW 0.9 3.2 3.6 1.2
6 HOUR ICE 0.00 0.00 MM MM MM MM MM MM
SNOW LEVEL (KFT) 3.8 4.1 4.4 4.5 4.4 4.0 3.5 2.8 1.9 1.6 1.4 1.6 1.6 1.2 0.9 0.8 0.9
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 OV OV OV OV OV OV OV
CLOUD COVER (%) 90 90 100 80 90 90 100 90 90 90 100 100 95 95 70 70 70
TEMPERATURE 30 30 31 32 32 30 29 27 25 23 23 25 25 22 20 20 19
MAX/MIN TEMP 34 21 27 18
WIND DIR SW SW SW SW SW W W W W W W W W SW SW SW SE
WIND (MPH) 8 6 8 8 5 3 4 8 11 11 12 13 13 9 5 4 9
WIND GUST (MPH)
PRECIP PROB (%) 70 80 100 60 40 70 100 80 90 90 100 100 100 100 60 60 60
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.37 0.26 0.16 0.26 0.20 0.23 0.13 0.04
6 HOUR SNOW 4.3 3.0 1.9 3.3 2.9 3.6 2.0 0.6
12 HOUR SNOW 7.3 5.2 6.5 2.6
6 HOUR ICE 0.00 0.00 MM MM MM MM MM MM
SNOW LEVEL (KFT) 3.8 3.9 4.1 4.2 4.0 3.8 3.4 2.7 1.7 1.5 1.2 1.3 1.7 1.2 0.9 0.9 1.0
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN