Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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203
FWUS46 KSEW 032134
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
134 PM PST WED DEC 3 2025


...HURRICANE RIDGE...

DATE                                        THURSDAY 12/04/25                       FRIDAY 12/05/25
TIME (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    85   80   75   85   90   95   90   90   95   90   90   90   95   95   85   85   80
TEMPERATURE        31   31   32   32   32   33   33   34   36   35   35   36   36   37   36   37   35
MIN/MAX TEMP                           30                  36                  35                  38
WIND DIR            W    W    W   SW   SW   SW   SW   SW    W    W    W   SW   SW   SW   SW    W    W
WIND (MPH)          1    3    4    4    4    5    5    3    3    4    5    8   11   16   19   18   17
WIND GUST (MPH)
PRECIP PROB (%)    10   30   20   70   70  100   80   60   60   60   80   80   90   90   80   80   70
PRECIP TYPE              S    R    R    R    R    R    R    R    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.00      0.16      0.31      0.22      0.09      0.14      0.18      0.15
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)  4.3  6.0  6.9  6.9  6.7  7.0  7.3  7.4  7.3  7.0  6.8  6.9  7.1  6.9  6.5  5.8  5.1


...MOUNT BAKER SKI AREA...

DATE                                        THURSDAY 12/04/25                       FRIDAY 12/05/25
TIME (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    75   90   85   85  100   90   85   85   85   90   90   90  100  100  100  100  100
TEMPERATURE        30   30   30   31   31   31   31   32   33   33   33   34   34   35   35   35   34
MIN/MAX TEMP                           29                  34                  32                  36
WIND DIR            W    W    W   SW   SW    S   SW   SW    W    W    W   SW   SW   SW   SW   SW   SW
WIND (MPH)          2    2    3    3    3    3    3    2    2    4    4    4    6    9   10   11   10
WIND GUST (MPH)
PRECIP PROB (%)     5   10   40   70  100   90   80   70   80   80   80   80  100  100  100  100  100
PRECIP TYPE                   S    S    S    S    S    S    S    S    R    S    S    R    R    R    R
6 HOUR QPF                 0.01      0.13      0.22      0.18      0.10      0.11      0.34      0.73
6 HOUR SNOW                 0.1       1.0       1.5       1.1       0.3       0.1       0.3       0.0
12 HOUR SNOW                          1.1                 2.6                 0.4                 0.3
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.3  3.4  3.6  3.7  3.8  3.9  4.1  4.4  4.7  4.7  4.7  4.6  5.0  5.3  5.2  5.0  4.9


...STEVENS PASS...

DATE                                        THURSDAY 12/04/25                       FRIDAY 12/05/25
TIME (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    75   80   85   85   90   85   90   85   85   85   90   90  100  100  100  100   95
TEMPERATURE        31   29   30   30   31   30   31   33   34   33   34   34   35   36   36   37   36
MIN/MAX TEMP                           29                  34                  32                  37
WIND DIR            W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          4    4    4    5    5    5    5    5    5    5    5    4    5    5    6    8    8
WIND GUST (MPH)
PRECIP PROB (%)    10   10    5   30   90   70   90   70   80   80   80   80  100  100  100  100  100
PRECIP TYPE                        S    S    S    S    S    S    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.00      0.05      0.18      0.23      0.19      0.26      0.58      0.67
6 HOUR SNOW                 0.0       0.3       1.1       1.2       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.3                 2.3                 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)  3.4  3.5  3.7  3.9  3.8  4.0  4.2  4.6  5.3  5.4  5.5  5.4  5.7  5.9  5.9  5.6  5.4


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

DATE                                        THURSDAY 12/04/25                       FRIDAY 12/05/25
TIME (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P

CLOUD COVER        BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    65   80   80   85   90   85   95   85   90   90   95   95  100  100  100  100   95
TEMPERATURE        35   32   31   32   32   32   33   35   37   36   37   37   38   39   39   40   40
MIN/MAX TEMP                           31                  37                  35                  40
WIND DIR           NW   NW   NW   NW    W    W    W    W    W    W    W    W    W    W   SW    W    W
WIND (MPH)          1    1    1    1    1    1    2    2    2    1    2    2    2    3    5    8    8
WIND GUST (MPH)
PRECIP PROB (%)     5   10    5   20   70   80   90   80   90   90   90   90  100  100  100  100  100
PRECIP TYPE                        R    S    S    S    R    R    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.00      0.02      0.19      0.31      0.31      0.34      0.51      0.56
6 HOUR SNOW                 0.0       0.0       0.4       0.1       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.0                 0.5                 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)  3.4  3.5  3.9  4.1  4.0  4.5  4.6  5.6  6.3  6.4  6.2  6.2  6.5  6.5  6.3  6.0  5.6


...WHITE PASS...

DATE                                        THURSDAY 12/04/25                       FRIDAY 12/05/25
TIME (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P

CLOUD COVER        BK   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    60   70   75   80   85   80   90   85   90   90   90   90  100  100  100  100   95
TEMPERATURE        32   28   27   28   28   30   31   33   35   34   35   35   36   36   36   37   36
MIN/MAX TEMP                           26                  35                  33                  37
WIND DIR            W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          2    2    2    3    4    5    5    5    5    5    6    6    8   10   11   11   11
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   10   50   70   80   80   80   80   90   90  100  100  100  100   90
PRECIP TYPE                             S    S    S    S    S    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.00      0.00      0.10      0.28      0.35      0.39      0.32      0.40
6 HOUR SNOW                 0.0       0.0       0.2       0.4       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.0                 0.6                 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)  3.6  3.9  4.3  4.4  4.9  5.1  5.1  5.8  6.5  6.9  6.7  6.6  6.8  6.6  6.5  6.3  5.9


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

DATE                                        THURSDAY 12/04/25                       FRIDAY 12/05/25
TIME (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P

CLOUD COVER        BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    65   75   75   80   80   85   95   90   95   95   95   95  100  100  100  100   95
TEMPERATURE        30   27   28   29   29   31   30   32   34   33   34   34   36   35   34   35   33
MIN/MAX TEMP                           27                  35                  32                  35
WIND DIR            W   NW    W    W    W    W    W    W    W    W    W    W    W    W   SW    W    W
WIND (MPH)          2    2    2    3    3    4    4    5    5    6    8    9   11   12   14   16   16
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   20   70   80   90   90   90   90   90   90  100  100  100  100  100
PRECIP TYPE                        S    S    S    S    S    S    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.00      0.01      0.34      0.96      0.77      0.77      0.62      0.70
6 HOUR SNOW                 0.0       0.1       1.0       2.5       0.6       0.0       0.0       0.0
12 HOUR SNOW                          0.1                 3.5                 0.6                 0.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  4.3  4.5  5.2  5.3  5.7  5.9  5.9  6.4  6.8  7.2  6.9  6.8  6.9  6.8  6.6  6.4  5.8

$$

--- PRECIP TYPE CODES ---

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