Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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690
FWUS46 KSEW 042120
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
120 PM PST WED DEC 4 2024


...HURRICANE RIDGE...

DATE                                        THURSDAY 12/05/24                       FRIDAY 12/06/24
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   FW   FW   FW   OV   OV   OV   BK   BK   SC   SC   BK   BK   OV   OV   OV   OV
CLOUD COVER (%)    15   25   15   25   80   75   75   65   55   40   50   55   60   70   75   80   90
TEMPERATURE        42   39   37   36   35   36   37   38   38   35   35   35   34   34   36   39   39
MIN/MAX TEMP                           35                  40                  33                  40
WIND DIR            S    S    S    S    S    S    S    S    S    S    S    S    S   SW   SW   SW   SW
WIND (MPH)          2    4    5    5    5    4    3    2    2    4    5    6    8    9   11   10   12
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    5    5   10    5    5    0    0   20   20   50   50   80
PRECIP TYPE                                                                     R    R    R    R    R
6 HOUR QPF                 0.00      0.00      0.00      0.01      0.01      0.01      0.00      0.05
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)  5.9  6.0  5.9  5.5  5.3  6.2  7.1  7.2  7.1  7.0  6.7  6.4  6.2  8.0  9.7  9.7  9.4


...MOUNT BAKER SKI AREA...

DATE                                        THURSDAY 12/05/24                       FRIDAY 12/06/24
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   FW   FW   FW   FW   FW   SC   OV   BK   SC   BK   BK   BK   OV   OV   OV   OV
CLOUD COVER (%)     5    5   15   10   10   20   45   70   55   45   60   60   70   75   80   80   85
TEMPERATURE        42   40   39   37   35   35   37   39   38   35   34   35   33   33   35   38   39
MIN/MAX TEMP                           34                  41                  32                  40
WIND DIR            S    S    S    S    S    S    S    S    S   SE   SE   SE   SE   SE    S    S    S
WIND (MPH)          4    5    6    5    4    4    4    3    3    4    4    4    5    6    9   10   12
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    0   10    5    5    5   10   10   50   50   80
PRECIP TYPE                                                                               R    R    R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.04
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)  7.4  7.0  6.0  5.7  5.4  5.0  5.0  5.0  5.6  6.0  6.3  6.4  5.9  5.9  6.2  7.7  8.6


...STEVENS PASS...

DATE                                        THURSDAY 12/05/24                       FRIDAY 12/06/24
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   FW   CL   FW   FW   FW   SC   BK   BK   SC   SC   SC   SC   BK   BK   OV   OV
CLOUD COVER (%)    10   10    5   10   20   10   30   60   50   25   25   40   50   60   70   70   85
TEMPERATURE        29   26   26   26   26   27   31   38   36   33   33   32   32   30   32   36   37
MIN/MAX TEMP                           26                  40                  30                  38
WIND DIR            E    E    E    E    E    E    E   SW   SW   SE    S    S    S   SE   SE   SE   SE
WIND (MPH)          4    4    3    2    2    2    2    2    2    2    2    2    2    2    3    3    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    5    5   10    5    5   10   10   30   30   50
PRECIP TYPE                                                                               R    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)  5.3  4.4  4.7  5.1  4.7  4.9  5.1  5.2  6.1  6.2  6.4  6.2  6.1  6.0  6.1  7.7  8.9


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

DATE                                        THURSDAY 12/05/24                       FRIDAY 12/06/24
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        CL   CL   CL   CL   FW   SC   SC   BK   SC   FW   SC   SC   SC   SC   BK   OV   OV
CLOUD COVER (%)     0    5    0    0   10   25   35   55   50   20   40   40   40   45   70   75   80
TEMPERATURE        29   29   29   29   29   29   34   41   39   35   34   33   33   32   35   40   41
MIN/MAX TEMP                           29                  43                  32                  43
WIND DIR           SE    E   SE   SE   SE   SE   SE   SE    E    E    E   SE   SE   SE   SE   SE   SE
WIND (MPH)          4    4    4    3    2    2    2    2    1    1    1    1    2    2    4    3    3
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    5   10   10    5    5   10   10   30   30   50
PRECIP TYPE                                                                               R    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)  5.5  5.9  5.8  5.7  5.2  5.3  5.4  6.1  6.3  6.6  6.5  6.4  6.2  6.1  6.6  8.1  9.2


...WHITE PASS...

DATE                                        THURSDAY 12/05/24                       FRIDAY 12/06/24
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   FW   FW   FW   FW   FW   SC   BK   BK   FW   FW   SC   SC   SC   BK   OV   OV
CLOUD COVER (%)    10   10   10    5   15   25   30   55   50   15   20   35   35   45   55   75   85
TEMPERATURE        34   30   29   29   29   29   33   40   37   33   32   31   31   30   33   39   40
MIN/MAX TEMP                           28                  42                  30                  42
WIND DIR            E    E    S   SW   SW   SW   SW    W    W    W   SW    W   SW    S    S   SW   SW
WIND (MPH)          4    4    3    2    2    2    2    2    2    2    2    2    2    2    4    4    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    5   10    5   10   10   10   10   20   20   20
PRECIP TYPE                                                                               R    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)  6.5  6.2  6.2  5.8  5.6  5.6  5.7  6.1  6.3  6.5  6.5  6.6  6.1  6.0  6.6  8.3  9.2


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

DATE                                        THURSDAY 12/05/24                       FRIDAY 12/06/24
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   FW   FW   FW   FW   SC   SC   BK   BK   SC   SC   SC   SC   SC   BK   OV   OV
CLOUD COVER (%)    10   15   10   10   20   45   30   60   55   35   30   40   40   50   65   75   85
TEMPERATURE        38   36   36   37   35   35   37   40   37   36   35   34   34   33   36   39   40
MIN/MAX TEMP                           34                  42                  32                  41
WIND DIR            W    W    W    W    W    W    W    W    W    W   NW    W    W    S    S    S   SW
WIND (MPH)          3    5    4    3    3    3    2    1    1    2    2    3    3    3    4    3    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0    0    5    5    5    5    5    5    5   20   20   30
PRECIP TYPE                                                                               R    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)  6.7  6.5  6.5  6.1  5.9  5.8  5.9  6.5  6.6  6.7  6.7  6.6  6.1  6.1  6.9  8.3  9.3

$$

--- PRECIP TYPE CODES ---

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