Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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094
FWUS46 KSEW 311524
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
824 AM PDT SUN AUG 31 2025


...HURRICANE RIDGE...

DATE                    SUNDAY 08/31/25                         MONDAY 09/01/25
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   FW   FW   FW   FW   FW   FW   FW   FW   FW   CL   FW   FW
CLOUD COVER (%)              55   20   15   20   15   15   20   25   15   20   15    5    5   10   15
TEMPERATURE                  61   64   63   57   54   53   52   53   60   61   61   55   54   53   53
MAX/MIN TEMP                           65                  51                  63                  51
WIND DIR                     NE    N    N   SE    S    S    S    S    N    N    N    W   SW    S    S
WIND (MPH)                    2    2    2    2    3    3    3    2    2    3    3    2    3    3    4
WIND GUST (MPH)
PRECIP PROB (%)         20   20   10    5    5    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE                   T
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)           10.7 11.0 11.0 10.6  9.9  9.6  9.3  9.1  9.5  9.9 10.6 10.4 10.1 10.7 11.0


...MOUNT BAKER SKI AREA...

DATE                    SUNDAY 08/31/25                         MONDAY 09/01/25
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   BK   SC   SC   SC   FW   FW   FW   FW   SC   SC   FW   FW   FW
CLOUD COVER (%)              30   30   50   35   25   30   20   10   15   20   40   35   25   25   25
TEMPERATURE                  68   71   70   61   59   58   58   59   66   70   70   62   61   61   61
MAX/MIN TEMP                           72                  57                  72                  58
WIND DIR                      S    W    W    S    S    S   SE    E    W    W    W    W    E    E    E
WIND (MPH)                    2    4    4    3    3    3    3    3    3    4    5    2    4    4    5
WIND GUST (MPH)
PRECIP PROB (%)          5    5   10   30   20   10   10    5    5    5    5    5    5    0    0    0
PRECIP TYPE                             T    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 12.1 12.1 11.9 11.4 11.8 11.8 11.8 11.7 11.6 12.1 11.8 11.5 11.6 11.6


...STEVENS PASS...

DATE                    SUNDAY 08/31/25                         MONDAY 09/01/25
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                  FW   SC   SC   SC   SC   BK   FW   FW   SC   BK   BK   SC   SC   FW   FW
CLOUD COVER (%)              20   45   45   40   30   60   20   15   30   55   55   40   40   20   15
TEMPERATURE                  71   77   73   61   56   56   55   56   69   77   76   65   60   59   58
MAX/MIN TEMP                           77                  54                  79                  58
WIND DIR                     SE    S   SW   SW    W   NW    W   NE    E   SE    W    W    N   NE    E
WIND (MPH)                    3    4    4    4    3    3    3    3    3    4    4    3    2    3    3
WIND GUST (MPH)
PRECIP PROB (%)          5    0   10   10    5   10   10    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)           11.8 12.0 12.0 11.4 12.3 12.2 12.1 11.7 11.4 11.4 11.7 11.4 11.3 11.8 12.0


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

DATE                    SUNDAY 08/31/25                         MONDAY 09/01/25
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                  FW   SC   SC   SC   SC   SC   SC   FW   FW   SC   SC   SC   SC   SC   FW
CLOUD COVER (%)              15   25   45   30   30   40   35   20   25   45   50   35   35   30   20
TEMPERATURE                  72   77   75   64   58   56   54   54   68   75   74   63   58   57   56
MAX/MIN TEMP                           79                  53                  76                  55
WIND DIR                     SW    W    W   NW    N    N    N    N    W    W    W   NW   NE   NE   NE
WIND (MPH)                    2    4    4    2    1    1    1    1    2    3    3    1    1    1    2
WIND GUST (MPH)
PRECIP PROB (%)          5    5   10   20   10    5   10    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)           11.7 11.7 11.8 11.1 12.1 12.1 11.9 11.5 11.2 11.1 11.7 11.4 11.6 11.9 12.0


...WHITE PASS...

DATE                    SUNDAY 08/31/25                         MONDAY 09/01/25
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   SC   SC   SC   FW   FW   SC   BK   BK   SC   SC   FW   FW
CLOUD COVER (%)              35   40   50   40   35   35   25   25   35   55   55   45   30   20   20
TEMPERATURE                  71   75   73   63   55   53   52   55   69   74   74   63   57   56   56
MAX/MIN TEMP                           78                  51                  76                  55
WIND DIR                      E    W    W    W    W    W    W    N    E    S    W    W   NW    N   NE
WIND (MPH)                    4    4    4    2    2    2    2    2    2    3    4    2    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)          0    0    5   10   10    5    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)           11.5 11.5 11.3 11.8 11.9 11.9 11.7 11.2 11.0 11.1 11.5 11.4 12.0 12.0 12.1


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

DATE                    SUNDAY 08/31/25                         MONDAY 09/01/25
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                  FW   SC   SC   SC   SC   SC   SC   FW   FW   BK   BK   SC   SC   FW   FW
CLOUD COVER (%)              20   45   50   45   35   35   30   20   20   60   50   50   30   25   20
TEMPERATURE                  64   66   63   56   55   56   54   55   62   65   65   58   58   59   60
MAX/MIN TEMP                           67                  53                  67                  56
WIND DIR                      E   SW    W   NW   NW   NW   NW    E    S   SW   SW    N    E    E    E
WIND (MPH)                    2    4    5    2    1    2    1    2    2    4    4    2    2    3    3
WIND GUST (MPH)
PRECIP PROB (%)          5    5    5   10   10    5    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)           11.5 11.4 11.0 10.6 11.4 11.5 11.3 11.1 11.0 11.0 11.5 11.4 11.9 11.9 12.0

$$

--- PRECIP TYPE CODES ---

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