Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
148
FWUS46 KSEW 190920
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
220 AM PDT THU SEP 19 2024
...HURRICANE RIDGE...
DATE THURSDAY 09/19/24 FRIDAY 09/20/24
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 FW FW FW SC SC FW FW FW FW SC FW FW FW FW SC SC BK
CLOUD COVER (%) 10 20 25 30 25 20 15 15 10 35 20 20 20 25 30 40 60
TEMPERATURE 43 44 51 52 51 44 41 39 38 39 46 49 48 43 42 42 42
MAX/MIN TEMP 53 38 50 42
WIND DIR SW W NW NW W W W W W SW N N N W SW SW SW
WIND (MPH) 4 3 2 5 4 8 8 5 4 4 3 3 2 2 4 4 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 5 5 5 5 5 5 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 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) 9.1 8.9 8.5 8.0 7.2 6.3 5.8 5.6 5.5 5.4 5.5 6.1 8.0 8.6 9.1 9.0 9.3
...MOUNT BAKER SKI AREA...
DATE THURSDAY 09/19/24 FRIDAY 09/20/24
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 SC SC SC SC SC SC BK OV OV BK SC SC SC SC SC SC BK
CLOUD COVER (%) 35 35 50 45 35 50 60 80 70 55 50 45 35 40 40 45 55
TEMPERATURE 44 44 48 50 50 44 44 43 42 41 44 47 47 42 41 42 41
MAX/MIN TEMP 52 40 49 41
WIND DIR S SW W W W W W W W W SW W W W S SE SE
WIND (MPH) 3 3 6 9 9 9 8 6 5 5 4 5 5 2 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 5 5 5 5 5 20 20 30 30 10 10 0 0 0 0 5
PRECIP TYPE R R R R
6 HOUR QPF 0.00 0.00 0.00 0.01 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) 7.6 7.7 7.8 7.8 7.4 6.9 6.9 6.6 6.0 5.7 5.9 6.4 6.7 6.4 6.7 7.6 7.8
...STEVENS PASS...
DATE THURSDAY 09/19/24 FRIDAY 09/20/24
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 SC SC SC SC SC OV BK OV OV OV BK SC SC SC SC SC SC
CLOUD COVER (%) 35 35 35 40 40 70 60 85 85 80 65 35 40 40 40 25 45
TEMPERATURE 44 43 50 54 52 46 45 44 43 41 44 49 48 42 40 39 38
MAX/MIN TEMP 54 41 50 38
WIND DIR SW W W W W W W W W W W W W W W W W
WIND (MPH) 5 5 6 10 9 9 10 9 9 6 6 6 6 4 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 10 10 10 10 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.01 0.02 0.02 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) 7.8 8.4 8.6 8.6 7.9 7.4 7.1 6.8 6.5 6.1 6.0 6.3 6.8 6.7 7.6 7.5 7.8
...SNOQUALMIE PASS (3000 FEET)...
DATE THURSDAY 09/19/24 FRIDAY 09/20/24
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 FW FW FW SC SC BK BK OV OV BK BK SC SC FW FW FW SC
CLOUD COVER (%) 25 15 25 40 45 60 70 85 80 70 60 30 35 25 20 20 30
TEMPERATURE 44 42 52 57 56 49 47 46 44 42 46 52 53 45 41 39 38
MAX/MIN TEMP 58 42 54 38
WIND DIR N NW NW NW NW NW NW NW NW W NW NW NW NW NW N NE
WIND (MPH) 3 3 4 9 5 3 4 4 4 4 4 5 4 2 2 1 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 5 20 20 10 10 0 0 0 0 0 0 0
PRECIP TYPE R R
6 HOUR QPF 0.00 0.00 0.01 0.01 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) 7.8 8.2 8.7 8.7 8.0 7.5 7.2 6.8 6.4 6.1 5.9 6.2 6.6 7.4 8.2 7.8 8.0
...WHITE PASS...
DATE THURSDAY 09/19/24 FRIDAY 09/20/24
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 FW FW SC FW FW BK BK BK BK BK SC SC FW SC FW FW SC
CLOUD COVER (%) 15 10 35 20 20 65 65 65 60 60 35 25 20 30 20 20 35
TEMPERATURE 41 42 52 58 56 47 43 41 39 38 45 52 52 44 39 38 36
MAX/MIN TEMP 58 37 54 36
WIND DIR W W W W W W W W W W W W W W NW NW NW
WIND (MPH) 4 4 6 11 9 9 10 10 9 8 6 6 6 3 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 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) 8.8 8.2 8.6 9.0 8.6 7.8 7.3 6.9 6.5 6.5 6.6 7.3 7.5 8.8 8.9 8.2 8.4
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE THURSDAY 09/19/24 FRIDAY 09/20/24
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 FW FW SC SC SC BK BK BK BK BK BK SC SC SC FW FW SC
CLOUD COVER (%) 15 15 35 40 35 65 65 65 55 55 55 50 30 30 20 25 35
TEMPERATURE 44 42 48 50 49 42 41 40 39 37 42 45 45 40 40 41 40
MAX/MIN TEMP 52 37 47 39
WIND DIR N W W SW W W W W W W W W W NW N N N
WIND (MPH) 3 1 5 9 8 6 8 6 6 6 5 6 5 2 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 0 0 5 5 5 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 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) 8.5 8.2 9.0 9.1 8.5 7.7 7.2 6.7 6.4 6.7 7.1 7.9 8.0 8.6 8.8 8.3 8.6
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN