Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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027
FWUS46 KSEW 022209
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
209 PM PST TUE DEC 2 2025


...HURRICANE RIDGE...

DATE                                        WEDNESDAY 12/03/25                      THURSDAY 12/04/25
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   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    65   55   55   80   90   85   80   80   85   85   85   85   95   90   95   90   90
TEMPERATURE        30   29   29   29   29   29   30   31   32   30   31   30   32   32   32   33   34
MIN/MAX TEMP                           27                  33                  29                  35
WIND DIR            N   NE   SE    W    W    W    W    W    W   SW   SW   SW   SW    W   SW    W    W
WIND (MPH)          2    2    3    3    3    2    2    2    1    2    3    4    4    5    4    2    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5   30   20   10   10   10   50   50   90   90   70   70   60
PRECIP TYPE                                  S    S                   R    R    R    R    R    R    R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.05      0.21      0.11
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.1       0.0       0.0
12 HOUR SNOW                          0.0                 0.0                 0.1                 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  3.5  3.5  3.4  3.5  3.5  3.8  4.0  4.2  5.0  5.8  6.6  6.4  6.7  7.0  6.8  7.0


...MOUNT BAKER SKI AREA...

DATE                                        WEDNESDAY 12/03/25                      THURSDAY 12/04/25
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        FW   SC   BK   BK   OV   OV   BK   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    15   35   55   65   70   80   60   60   75   80   85   85  100  100   95   95   85
TEMPERATURE        31   28   28   28   28   28   29   31   31   30   30   30   31   31   31   32   33
MIN/MAX TEMP                           27                  32                  29                  34
WIND DIR            N   SW    S   NE   SW   SW   SW    W    W   SW   SW   SW   SW   SW   SW    W    W
WIND (MPH)          0    3    4    3    3    3    2    2    1    2    3    3    3    2    3    2    2
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5   10   40   20   30   30   70   70  100  100   90   90   70
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.04      0.01      0.05      0.15      0.17
6 HOUR SNOW                 0.0       0.0       0.0       0.3       0.1       0.4       1.1       1.1
12 HOUR SNOW                          0.0                 0.3                 0.5                 2.2
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.6  3.2  3.1  3.0  2.8  2.8  3.2  3.4  3.3  3.3  3.4  3.6  3.5  3.8  4.0  4.2  4.3


...STEVENS PASS...

DATE                                        WEDNESDAY 12/03/25                      THURSDAY 12/04/25
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        SC   BK   BK   BK   BK   OV   BK   BK   BK   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    45   60   60   50   70   80   65   50   65   65   75   85   90   85   85   85   85
TEMPERATURE        31   28   26   25   25   24   27   32   32   29   29   29   30   30   31   33   33
MIN/MAX TEMP                           23                  32                  28                  33
WIND DIR            W    W   SW   SW   SW   SW   SW    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          3    2    2    2    2    2    2    3    4    4    5    5    5    5    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    5   10   10   10   10   40   40   70   70   80   80   70
PRECIP TYPE                                                           S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.10      0.10
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       0.6       0.4
12 HOUR SNOW                          0.0                 0.0                 0.0                 1.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.5  3.1  3.0  3.0  2.9  2.9  3.4  3.5  3.4  3.3  3.3  3.5  3.7  3.9  4.0  4.4  4.6


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

DATE                                        WEDNESDAY 12/03/25                      THURSDAY 12/04/25
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        SC   BK   BK   SC   BK   OV   BK   BK   BK   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    45   50   55   50   70   80   65   60   60   55   80   80   85   85   90   90   85
TEMPERATURE        33   31   28   27   26   26   30   35   35   31   31   30   31   32   33   35   36
MIN/MAX TEMP                           25                  36                  30                  36
WIND DIR           NW    N    N    N    N    N   NW   NW   NW    W   NW    W    W    W    W    W    W
WIND (MPH)          1    0    1    1    1    1    1    2    1    1    1    1    1    1    2    2    1
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    5   10   10   10   10   30   30   80   80   90   90   80
PRECIP TYPE                                                           S    S    R    R    R    R    R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.13      0.21
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)  3.4  3.1  3.1  3.1  3.0  3.1  3.6  3.7  3.4  3.3  3.4  3.6  4.0  4.0  4.5  4.7  5.1


...WHITE PASS...

DATE                                        WEDNESDAY 12/03/25                      THURSDAY 12/04/25
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        SC   BK   BK   BK   BK   OV   BK   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    40   65   55   50   60   80   60   60   50   65   70   75   80   80   90   90   85
TEMPERATURE        31   27   25   24   24   24   28   33   33   30   27   27   28   29   31   34   35
MIN/MAX TEMP                           22                  34                  27                  35
WIND DIR           NW   NW    N    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          2    2    2    2    2    2    2    2    2    2    3    3    5    5    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    5    5   10    5    5   20   20   60   60   80   80   80
PRECIP TYPE                                                           S    S    S    S    R    R    R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.10      0.07
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       0.4       0.0
12 HOUR SNOW                          0.0                 0.0                 0.0                 0.4
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  4.0  3.6  3.6  3.5  3.4  3.4  3.9  4.0  3.8  3.7  3.7  3.9  4.1  4.6  5.1  5.2  5.3


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

DATE                                        WEDNESDAY 12/03/25                      THURSDAY 12/04/25
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        SC   BK   SC   BK   BK   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    40   50   50   60   65   80   70   70   50   60   70   75   80   80   95   95   90
TEMPERATURE        28   26   26   27   26   26   29   31   31   27   28   28   29   30   30   32   33
MIN/MAX TEMP                           24                  32                  27                  34
WIND DIR            W    N   NW   NW    W   NW    W   SW    W    W    W    W    W    W    W    W    W
WIND (MPH)          2    2    3    3    2    2    2    2    2    2    3    3    4    4    4    5    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    5   10   10    5    5   20   20   70   70   90   90   80
PRECIP TYPE                                                           S    S    S    S    S    S    R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.29      0.21
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       1.7       0.6
12 HOUR SNOW                          0.0                 0.0                 0.0                 2.3
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  4.0  3.7  3.6  3.5  3.5  3.6  4.2  4.4  4.3  4.3  4.3  4.6  4.6  5.1  5.7  5.4  5.6

$$

--- PRECIP TYPE CODES ---

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