Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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402
FWUS46 KSEW 301003
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
303 AM PDT SAT AUG 30 2025


...HURRICANE RIDGE...

DATE                    SATURDAY 08/30/25                       SUNDAY 08/31/25
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        SC   FW   SC   BK   SC   FW   CL   FW   FW   FW   FW   FW   SC   FW   FW   FW   FW
CLOUD COVER (%)    45   15   35   65   40   15    5   15   20   20   20   15   25   25   10   10   20
TEMPERATURE        53   54   61   62   63   58   55   55   55   55   61   64   63   56   54   54   53
MAX/MIN TEMP                           64                  53                  65                  51
WIND DIR            S    E    N   NW    N    S    E    E   SE    S    N    N    N    W   SW   SW   SW
WIND (MPH)          4    3    2    2    2    1    3    3    3    3    2    2    2    2    3    3    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    5   10    5    5    5   10   10    5    5    5    5    5    5    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 10.8 10.7 10.4 10.2 10.4 10.7 10.3 10.0 10.7 10.7 11.0 11.2 10.7 10.4 11.1 11.2


...MOUNT BAKER SKI AREA...

DATE                    SATURDAY 08/30/25                       SUNDAY 08/31/25
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        SC   SC   FW   FW   SC   SC   SC   SC   SC   SC   SC   SC   SC   SC   SC   SC   SC
CLOUD COVER (%)    35   40   20   10   50   45   30   25   45   40   35   45   45   40   35   45   45
TEMPERATURE        56   56   63   67   68   62   59   60   61   63   68   72   71   63   62   61   61
MAX/MIN TEMP                           69                  57                  73                  58
WIND DIR           SW    S    S   SW    W   SE   SE    E   SE    E    E    S    W    W    E    E    E
WIND (MPH)          2    2    2    5    5    2    4    5    5    5    3    4    4    2    4    4    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    5    5    5    5    0   10   10   10   10   20   20   20   20    5
PRECIP TYPE                                                                     R    R    R    R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.01      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)  9.3  9.6 10.2 10.6 10.3 10.7 10.7 10.7 11.5 11.7 11.7 11.8 11.9 11.9 11.6 11.6 11.7


...STEVENS PASS...

DATE                    SATURDAY 08/30/25                       SUNDAY 08/31/25
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        BK   FW   FW   SC   BK   SC   SC   SC   BK   FW   FW   SC   SC   SC   BK   BK   SC
CLOUD COVER (%)    55   25   15   35   65   45   45   45   50   25   25   35   35   40   55   55   40
TEMPERATURE        54   54   68   76   75   66   61   59   58   58   72   79   78   65   60   59   58
MAX/MIN TEMP                           76                  57                  80                  57
WIND DIR            W    W    W    W    W   SW    E    E    E    E    E    E   SE    W   NW   NE   NE
WIND (MPH)          3    2    2    4    4    3    2    3    3    3    4    4    4    3    3    3    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    5    5    5    5    5   10   10    5    5   10   10   10   10    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)  9.4  9.4  9.9 10.9 11.3 11.4 11.2 11.8 12.0 11.9 11.7 11.8 11.9 11.7 11.7 11.8 11.8


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

DATE                    SATURDAY 08/30/25                       SUNDAY 08/31/25
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        SC   FW   FW   SC   BK   SC   SC   SC   SC   FW   FW   SC   SC   SC   BK   SC   SC
CLOUD COVER (%)    30   15   15   25   55   40   30   35   40   20   25   30   40   40   50   45   40
TEMPERATURE        53   53   68   75   75   66   59   58   56   56   70   77   76   64   58   57   55
MAX/MIN TEMP                           76                  55                  78                  54
WIND DIR           NW    N    W    W   NW    N    N   NE    E    E    S   SW    W   NW    N    N   NE
WIND (MPH)          1    1    2    4    3    1    2    1    1    1    2    4    3    2    1    1    2
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0   10    5    5    5   10   10   10    5    5   10   10   20   20    5
PRECIP TYPE                                                                               R    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)  9.3  9.4 10.1 11.1 11.4 11.4 11.2 11.8 11.9 11.9 11.6 11.6 11.9 11.7 11.8 11.9 11.8


...WHITE PASS...

DATE                    SATURDAY 08/30/25                       SUNDAY 08/31/25
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        SC   SC   FW   BK   BK   BK   SC   FW   FW   FW   FW   SC   SC   SC   SC   SC   SC
CLOUD COVER (%)    35   25   20   60   50   55   40   25   20   20   25   30   45   40   45   35   35
TEMPERATURE        51   55   70   73   73   65   58   56   54   58   70   75   74   63   57   55   54
MAX/MIN TEMP                           75                  54                  77                  54
WIND DIR            W   SW    W    W    W   NW    E    E    E    E    E   SE   SW    W   NW    N    N
WIND (MPH)          2    2    3    4    4    2    2    2    2    2    4    4    4    2    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    5   10    5    5    5    5    5    5    5   10   10   10   10    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) 10.0 10.9 11.3 11.4 11.4 11.7 11.9 12.0 12.0 11.7 11.5 11.6 11.7 11.8 12.1 12.0 11.9


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

DATE                    SATURDAY 08/30/25                       SUNDAY 08/31/25
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        SC   SC   SC   OV   BK   BK   SC   SC   SC   FW   SC   SC   SC   SC   SC   SC   SC
CLOUD COVER (%)    35   35   30   70   60   60   45   35   35   10   25   40   40   45   40   35   30
TEMPERATURE        53   56   63   65   66   61   59   60   58   57   63   66   66   58   58   58   57
MAX/MIN TEMP                           67                  56                  68                  54
WIND DIR            W   NW    W    W    W    N    N    N    N    E   SE    S   SW   NW    E   NE    E
WIND (MPH)          2    2    2    4    4    2    2    2    2    2    3    4    5    2    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0   10   10    5    5   10    5    5    5    5   10   10   10   10    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)  9.4 10.1 11.1 11.3 11.3 11.0 11.4 11.9 11.8 11.7 11.4 11.3 11.6 11.4 12.0 11.9 11.9

$$

--- PRECIP TYPE CODES ---

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