Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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489
FWUS46 KSEW 012134
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
234 PM PDT MON SEP 1 2025


...HURRICANE RIDGE...

DATE                                        TUESDAY 09/02/25                        WEDNESDAY 09/03/25
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        FW   FW   CL   SC   BK   SC   FW   CL   CL   CL   FW   FW   FW   FW   FW   SC   SC
CLOUD COVER (%)    10   10    0   45   65   30   25    0    0    0    5   15   15   20   10   25   40
TEMPERATURE        63   58   56   56   57   58   67   71   70   63   63   63   62   63   72   74   72
MIN/MAX TEMP                           55                  72                  61                  74
WIND DIR            N    E    S   SE   SE    S   SE   SE   SW    S    S    S    S    S    N    N   NW
WIND (MPH)          2    2    3    3    3    3    1    1    1    2    4    4    4    4    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) 10.5 10.0  9.7  9.6 10.9 11.0 10.9 10.9 10.5 10.5 11.4 12.2 12.4 12.5 12.4 12.2 12.2


...MOUNT BAKER SKI AREA...

DATE                                        TUESDAY 09/02/25                        WEDNESDAY 09/03/25
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   BK   SC   SC   SC   CL   FW   CL   CL   FW   CL   FW   FW   CL   CL   FW   FW
CLOUD COVER (%)    60   55   25   45   40    5    5    5    5   10    5   10   10    5    5   10   20
TEMPERATURE        72   65   63   64   63   65   75   80   79   69   69   67   66   67   76   80   79
MIN/MAX TEMP                           61                  81                  65                  81
WIND DIR            W    S   SE   SE   SE    E   SE    S    W   SW   SE    E    E    E   NW   NW   NW
WIND (MPH)          5    2    4    4    5    5    2    3    4    2    6    6    6    6    2    4    5
WIND GUST (MPH)
PRECIP PROB (%)    10    5    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) 12.1 11.8 11.2 11.1 11.8 11.8 11.9 12.2 12.3 12.1 11.7 11.5 11.9 12.2 12.2 12.2 12.5


...STEVENS PASS...

DATE                                        TUESDAY 09/02/25                        WEDNESDAY 09/03/25
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   BK   BK   FW   FW   CL   FW   CL   CL   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    65   75   65   60   25   15    0   10    5    5   10   20   15   20   10   15   30
TEMPERATURE        77   68   62   61   60   61   78   86   84   71   65   64   62   63   80   87   85
MIN/MAX TEMP                           60                  86                  62                  87
WIND DIR            W    W    E   SE    E    E    E    S   SW    W    N    E    E   NE   NW    W    W
WIND (MPH)          4    3    2    3    3    3    3    4    4    3    3    4    4    3    2    3    5
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) 11.4 10.9 11.2 12.1 12.1 12.0 12.0 12.0 12.0 11.8 11.5 11.9 12.2 12.3 12.3 12.1 12.2


...SNOQUALMIE PASS (3000 FEET)...

DATE                                        TUESDAY 09/02/25                        WEDNESDAY 09/03/25
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   BK   OV   BK   SC   FW   CL   CL   CL   CL   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    65   70   70   65   30   10    0    0    0    5   15   20   20   10    5   15   35
TEMPERATURE        75   67   60   59   58   59   78   85   84   71   66   64   62   62   80   86   84
MIN/MAX TEMP                           57                  86                  61                  87
WIND DIR           NW    N    N   NE    E    E   SE    S   NW    N   NE   NE   NE   NE   NW   NW    W
WIND (MPH)          3    1    1    1    1    2    2    2    2    1    3    2    2    2    2    3    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    5
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) 11.2 10.8 11.4 12.1 12.0 11.7 11.7 11.8 11.8 11.6 11.8 12.3 12.3 12.3 12.3 12.1 12.2


...WHITE PASS...

DATE                                        TUESDAY 09/02/25                        WEDNESDAY 09/03/25
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   SC   FW   CL   CL   FW   FW   SC   SC   SC   SC   SC   SC   SC
CLOUD COVER (%)    75   75   65   60   35   20    0    0    5    5   35   40   30   30   30   35   45
TEMPERATURE        76   66   59   58   57   61   76   82   82   71   64   62   61   64   78   84   83
MIN/MAX TEMP                           56                  83                  61                  85
WIND DIR            W    W   SW    E    E    E   SE   SW    W   NW    N    N    N   NE    E    E   NW
WIND (MPH)          4    2    2    2    2    4    5    5    4    2    2    2    2    3    3    4    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    5
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) 11.0 11.1 11.8 11.9 11.5 11.5 11.3 11.7 11.8 11.9 12.4 12.6 12.4 12.3 12.2 12.1 12.3


...PARADISE (MOUNT RAINIER - 5420 FEET) ...

DATE                                        TUESDAY 09/02/25                        WEDNESDAY 09/03/25
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   BK   BK   BK   SC   FW   CL   CL   FW   FW   SC   SC   SC   SC   SC   SC   BK
CLOUD COVER (%)    80   70   70   65   30   15    5    5   10   10   30   40   35   35   30   50   55
TEMPERATURE        67   59   60   61   60   61   69   74   74   66   67   67   65   66   73   76   74
MIN/MAX TEMP                           58                  76                  65                  78
WIND DIR            W   NW   NW    N   NE   NE   NE    S    W    N    N    N    N   NE   NE    W   NW
WIND (MPH)          4    2    1    3    4    5    3    3    4    2    5    4    5    5    2    3    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    5
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) 11.0 11.0 11.6 11.8 11.6 11.4 11.2 11.6 11.7 12.0 12.4 12.6 12.4 12.3 12.2 12.2 12.4

$$

--- PRECIP TYPE CODES ---

CODE   TYPE
 T     THUNDERSTORMS
 R     RAIN
 S     SNOW
 I     SLEET
 Z     FREEZING RAIN