Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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001
FWUS46 KSEW 312134
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
234 PM PDT SUN AUG 31 2025


...HURRICANE RIDGE...

DATE                                        MONDAY 09/01/25                         TUESDAY 09/02/25
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   FW   FW   FW   FW   FW   FW   FW   CL   CL   FW   SC   FW   FW   FW   CL
CLOUD COVER (%)    10   10   10    5   10   10    5   15   10    5    0   25   35   25   15   10    5
TEMPERATURE        64   59   55   53   52   53   61   63   63   57   54   55   53   56   65   68   69
MIN/MAX TEMP                           51                  64                  53                  70
WIND DIR           NE    E   SE   SE    S    S    S   NW    N    S    S    S    S    S    N    N    N
WIND (MPH)          2    2    3    3    3    2    1    2    2    2    3    3    3    3    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)    10    5    5    5    5    5    0    5    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) 10.9 10.6 10.1  9.7  9.3  9.4 10.2 10.3 10.1  9.8  9.5  9.5 10.1 10.5 11.1 11.6 11.7


...MOUNT BAKER SKI AREA...

DATE                                        MONDAY 09/01/25                         TUESDAY 09/02/25
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   SC   FW   FW   FW   FW   FW   FW   SC   SC   SC   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    50   35   20   25   25   15   10   20   35   40   30   35   30   15   10   10   10
TEMPERATURE        71   64   60   59   58   59   67   71   71   64   61   61   60   63   73   77   78
MIN/MAX TEMP                           56                  72                  59                  79
WIND DIR           NW    S    S    S   SE    S   SW   SW    W   SW    E    E    E    E   NE    W    W
WIND (MPH)          4    3    4    3    3    2    2    4    5    2    4    4    5    5    2    3    4
WIND GUST (MPH)
PRECIP PROB (%)    30   20   10    5    5    5    5    5    5    5    0    0    0    0    0    0    0
PRECIP TYPE         T    R
6 HOUR QPF                 0.12      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 11.9 11.5 11.4 11.9 11.9 11.8 11.9 11.9 11.8 11.5 10.8 11.4 11.6 11.8 12.1 12.3


...STEVENS PASS...

DATE                                        MONDAY 09/01/25                         TUESDAY 09/02/25
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        SC   SC   SC   SC   FW   FW   FW   SC   SC   SC   SC   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    30   30   25   50   20   10   10   50   40   50   40   45   25   15   10   10    5
TEMPERATURE        78   66   58   57   56   56   70   78   77   66   60   59   58   59   75   84   84
MIN/MAX TEMP                           54                  78                  58                  86
WIND DIR           SW   SW   SW    W   SW    W   SW   SW    W    W    N   SE    E    E    E   SE    W
WIND (MPH)          4    4    3    2    3    3    3    3    4    3    2    1    3    3    2    3    4
WIND GUST (MPH)
PRECIP PROB (%)    20    5    5   20    5    5    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE         R              R
6 HOUR QPF                 0.01      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) 11.8 11.3 12.0 12.1 12.1 11.8 11.5 11.6 11.5 11.2 10.8 11.4 11.9 11.9 11.9 12.2 12.3


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

DATE                                        MONDAY 09/01/25                         TUESDAY 09/02/25
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   SC   SC   FW   FW   FW   FW   SC   SC   SC   SC   SC   FW   FW   CL   CL
CLOUD COVER (%)    25    5   25   40   25   20   15   25   40   40   45   50   30   15   10    5    5
TEMPERATURE        76   66   57   56   54   53   69   75   75   66   58   57   56   57   75   84   84
MIN/MAX TEMP                           53                  77                  55                  85
WIND DIR            W   NW    N    N    N    N    W   NW   NW   NW   NE   NE    E    E    S    W    W
WIND (MPH)          3    1    1    1    1    1    2    3    3    1    1    1    1    2    1    3    3
WIND GUST (MPH)
PRECIP PROB (%)    20   10    5   10    5    5    0    5    0    0    0    0    0    0    0    0    0
PRECIP TYPE         R
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) 11.6 11.3 11.8 12.0 12.0 11.7 11.3 11.3 11.4 11.1 10.9 11.4 11.8 11.8 11.7 12.1 12.3


...WHITE PASS...

DATE                                        MONDAY 09/01/25                         TUESDAY 09/02/25
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        SC   SC   SC   SC   FW   FW   SC   SC   BK   SC   SC   SC   FW   FW   FW   CL   FW
CLOUD COVER (%)    45   30   45   40   20   25   30   35   55   30   45   40   25   15    5    5   15
TEMPERATURE        75   65   56   54   52   55   70   75   75   65   57   57   55   61   75   81   82
MIN/MAX TEMP                           52                  76                  55                  83
WIND DIR            W    W   SW    W    W    N    S    W    W   NW    N   NE    E    E   SE    S    W
WIND (MPH)          4    2    2    2    2    1    2    3    4    2    2    2    2    4    5    4    3
WIND GUST (MPH)
PRECIP PROB (%)    10    5    5   10    5    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) 11.2 11.3 12.0 12.0 11.8 11.3 11.2 11.1 11.0 11.0 11.4 11.5 11.8 11.7 11.7 12.1 12.3


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

DATE                                        MONDAY 09/01/25                         TUESDAY 09/02/25
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        SC   SC   SC   SC   FW   FW   FW   SC   SC   SC   SC   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    40   25   40   30   20   25   25   40   50   35   45   45   35   20   10   10   15
TEMPERATURE        66   59   56   57   55   55   62   66   66   59   59   59   58   61   69   74   74
MIN/MAX TEMP                           53                  68                  57                  75
WIND DIR            W   NW    W   NW   NW    N    E    W    W   NW   NE    E   NE    E   SE   SW    W
WIND (MPH)          5    2    2    2    1    1    1    4    4    2    2    3    4    4    2    3    4
WIND GUST (MPH)
PRECIP PROB (%)    10    5    5    5    5    5    0    5    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) 11.1 10.6 11.3 11.8 11.7 11.3 11.2 11.1 11.0 10.9 11.5 11.4 11.8 11.7 11.6 12.0 12.2

$$

--- PRECIP TYPE CODES ---

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