Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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108
FWUS46 KSEW 281007
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
307 AM PDT THU AUG 28 2025


...HURRICANE RIDGE...

DATE                    THURSDAY 08/28/25                       FRIDAY 08/29/25
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   BK   BK   SC   SC   FW   FW   SC   SC   SC   FW   SC   FW   SC   SC
CLOUD COVER (%)    85   75   80   60   60   35   30   25   25   30   35   35   25   25   25   30   30
TEMPERATURE        57   57   61   63   64   61   57   57   56   56   63   67   67   61   56   56   54
MAX/MIN TEMP                           65                  54                  68                  53
WIND DIR            E    E    E   NE   NE    S    S    S    S    S    N    N    N   NW   SW   SW   SW
WIND (MPH)          3    3    1    1    1    1    3    4    4    4    1    2    2    2    4    4    4
WIND GUST (MPH)
PRECIP PROB (%)    30   30   20   30   10    5    5    0    0    0    0    0    0    0    0    0   10
PRECIP TYPE         R    R    R    R
6 HOUR QPF                 0.03      0.13      0.00      0.00      0.00      0.01      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 11.7 11.5 11.6 11.5 11.2 11.0 10.5 10.3 10.0  9.7  9.9 10.0  9.8  9.7 10.2 10.4


...MOUNT BAKER SKI AREA...

DATE                    THURSDAY 08/28/25                       FRIDAY 08/29/25
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   BK   BK   FW   FW   SC   SC   SC   SC   SC   FW   SC   SC
CLOUD COVER (%)    95   90   85   85   75   60   55   25   25   30   30   40   30   30   20   25   30
TEMPERATURE        59   60   62   66   67   63   61   60   59   60   67   70   72   64   60   60   57
MAX/MIN TEMP                           68                  57                  72                  57
WIND DIR           SW   SW    W    W    S    S    S    S    S   SE    W    W    W   NW   SE   SE    E
WIND (MPH)          2    2    1    2    2    2    5    5    5    4    2    4    4    2    6    6    6
WIND GUST (MPH)
PRECIP PROB (%)    40   30   10   20   20   10   10   10    5    5   10   10    5    5    0    0    0
PRECIP TYPE         R    R         R    T
6 HOUR QPF                 0.07      0.03      0.01      0.00      0.00      0.05      0.01      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 12.0 12.0 11.9 11.9 11.7 11.5 11.1 10.9 10.8 10.6 10.4 10.2  9.8  9.7 10.3 10.4


...STEVENS PASS...

DATE                    THURSDAY 08/28/25                       FRIDAY 08/29/25
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   BK   BK   SC   SC   FW   FW   SC   FW   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)    95   80   55   70   40   35   15   25   30   25   15   25   20   20   20   25   30
TEMPERATURE        57   56   64   68   68   62   58   56   56   56   70   75   74   65   58   56   55
MAX/MIN TEMP                           69                  56                  76                  55
WIND DIR           NE   NE    W    W    W   SW    E   SE   SE    E    S    W    W    W    N   NE   NE
WIND (MPH)          2    2    2    2    3    1    2    2    2    2    2    3    4    2    2    3    3
WIND GUST (MPH)
PRECIP PROB (%)    60   20   40   50   20    0    5    5    5    5    5    5    5    5    0    0    5
PRECIP TYPE         R    T    R    R    T
6 HOUR QPF                 0.02      0.10      0.02      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) 11.9 11.7 11.7 11.8 11.5 11.3 11.0 10.8 10.4 10.2 10.1 10.6 10.8 10.8 10.7 10.9 11.0


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

DATE                    THURSDAY 08/28/25                       FRIDAY 08/29/25
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   SC   BK   BK   SC   FW   FW   FW   SC   FW   FW   FW   FW   FW   FW   SC   FW
CLOUD COVER (%)    55   35   55   55   25   20   15   20   25   20   20   25   25   20   20   30   25
TEMPERATURE        57   56   67   73   73   65   59   57   56   57   71   77   77   68   59   56   55
MAX/MIN TEMP                           73                  56                  78                  55
WIND DIR           NE   NE   SW    W    W    N    E    E    E    E    S    W   NW   NW   NE    E    E
WIND (MPH)          1    1    2    2    2    1    2    2    2    2    2    3    3    1    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)    30   20   30   40   20    5    5    0    0    0    5    5    5    5    5    5    5
PRECIP TYPE         R    R    R    R    T
6 HOUR QPF                 0.02      0.04      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) 11.5 11.4 11.3 11.3 11.3 11.0 10.9 10.5 10.0  9.8  9.8 10.2 10.7 10.6 10.6 11.0 11.1


...WHITE PASS...

DATE                    THURSDAY 08/28/25                       FRIDAY 08/29/25
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   SC   SC   FW   FW   FW   SC   FW   FW   FW   FW   SC   SC   FW
CLOUD COVER (%)    25   20   15   50   40   30   15   15   20   30   15   15   20   20   30   25   20
TEMPERATURE        53   55   65   69   69   63   55   53   52   56   69   73   73   66   57   55   54
MAX/MIN TEMP                           69                  52                  74                  54
WIND DIR           SW   SW    W    W    W    W    S   SE   SE    E    S   SW    W    W   NW   NW   NE
WIND (MPH)          2    2    3    4    4    2    2    2    2    3    3    4    4    2    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)     5    5   10   20   10    5    0    0    0    0    0    0    5    5    5    5    5
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) 11.0 10.9 11.1 11.2 10.9 10.5  9.9  9.5  9.4  9.4  9.6 10.4 11.0 10.8 10.8 11.3 11.3


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

DATE                    THURSDAY 08/28/25                       FRIDAY 08/29/25
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   SC   SC   SC   FW   SC   SC   FW   SC   FW   SC   SC   SC   FW
CLOUD COVER (%)    30   15   25   50   35   40   35   15   35   35   25   30   20   25   35   30   20
TEMPERATURE        53   54   58   61   60   56   55   55   54   56   62   65   65   59   56   57   57
MAX/MIN TEMP                           61                  54                  66                  56
WIND DIR            W    W   SW    W    W   NW   NW   NW   NW    N   SW   SW    W   NW    N   NE   NE
WIND (MPH)          2    2    2    3    4    2    3    3    4    3    2    4    4    2    2    3    3
WIND GUST (MPH)
PRECIP PROB (%)     5    5   10   20   10    5    0    0    0    0    0    0    5    5    5    5    5
PRECIP TYPE                        R
6 HOUR QPF                 0.00      0.03      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 10.9 11.0 11.0 10.9 10.5 10.1  9.7  9.3  9.3  9.5  9.9 10.7 10.5 10.6 11.2 11.2

$$

--- PRECIP TYPE CODES ---

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