Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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677
FWUS46 KSEW 132216
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
216 PM PST THU FEB 13 2025


...HURRICANE RIDGE...

DATE                                        FRIDAY 02/14/25                         SATURDAY 02/15/25
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   BK   FW   FW   FW   SC   BK   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   90   90   90   90   85   60   15   15   15   35   55   75   90   90   90   95
TEMPERATURE        24   21   23   22   22   22   26   29   26   22   21   22   23   24   27   28   27
MIN/MAX TEMP                           21                  29                  21                  29
WIND DIR            S    E   SE    N    N    N   NW    W    W   SW   SW   SW    S    S    S   SE   SE
WIND (MPH)          6    8    4    3    3    4    4    8   10    9    9    9    8    6    6    6    8
WIND GUST (MPH)
PRECIP PROB (%)    20   20   50   50   40   10    0    0    5    5   20   20   50   50   90   90  100
PRECIP TYPE         S    S    S    S    S                             S    S    S    S    S    S    S
6 HOUR QPF                 0.01      0.04      0.02      0.00      0.00      0.00      0.01      0.09
6 HOUR SNOW                 0.1       0.4       0.2       0.0       0.0       0.0       0.1       1.0
12 HOUR SNOW                          0.5                 0.2                 0.0                 1.1
6 HOUR ICE                 0.00      0.00      0.00      0.00        MM        MM        MM        MM
SNOW LEVEL (KFT)  1.2  1.4  1.5  1.4  1.3  0.9  1.5  1.8  1.7  1.0  1.0  1.4  1.6  1.7  2.3  2.7  3.0


...MOUNT BAKER SKI AREA...

DATE                                        FRIDAY 02/14/25                         SATURDAY 02/15/25
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   BK   BK   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    85   90   90   90   90   90   85   70   60   75   75   75   80   85   85   90   90
TEMPERATURE        29   22   22   22   23   22   26   28   26   23   23   24   23   23   27   28   28
MIN/MAX TEMP                           22                  29                  22                  30
WIND DIR            S    S    S    E   NW   NW   NW    W    W    W   SW   SW    S    S    S    S    S
WIND (MPH)          9    9    9    6    4    2    2    6   10    4    3    3    3    4    4    5    6
WIND GUST (MPH)
PRECIP PROB (%)    10   10   20   60   50   30    5    5   40   40   60   60   40   40   80   80   90
PRECIP TYPE                   S    S    S    S              S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.01      0.01      0.00      0.00      0.01      0.01      0.03
6 HOUR SNOW                 0.0       0.1       0.2       0.0       0.1       0.2       0.2       0.4
12 HOUR SNOW                          0.1                 0.2                 0.3                 0.6
6 HOUR ICE                 0.00      0.00      0.00      0.00        MM        MM        MM        MM
SNOW LEVEL (KFT)  0.7  0.6  0.8  1.1  1.1  0.9  0.9  1.2  1.0  0.8  0.7  0.8  0.7  0.6  1.3  2.0  2.3


...STEVENS PASS...

DATE                                        FRIDAY 02/14/25                         SATURDAY 02/15/25
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 (%)    90   90   90   90   95   95   90   80   75   85   80   80   85   85   90   90   95
TEMPERATURE        18   13   16   16   18   19   22   25   24   23   23   23   22   22   24   28   27
MIN/MAX TEMP                           13                  25                  20                  28
WIND DIR            E    E   NE   NE   NE   NE    W    W    W    W    W    W    W    W   SW    S   SE
WIND (MPH)          9    8    5    4    2    1    3    6    9    5    5    4    3    2    1    3    4
WIND GUST (MPH)
PRECIP PROB (%)    60   40   50   70   70   70   20    0   40   40   30   30   30   30   70   70   90
PRECIP TYPE         S    S    S    S    S    S    S         S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.03      0.01      0.04      0.02      0.00      0.01      0.00      0.03
6 HOUR SNOW                 0.4       0.1       0.6       0.3       0.1       0.2       0.0       0.4
12 HOUR SNOW                          0.5                 0.9                 0.3                 0.4
6 HOUR ICE                 0.00      0.00      0.00      0.00        MM        MM        MM        MM
SNOW LEVEL (KFT)  0.0  0.0  0.3  0.6  0.9  1.3  1.5  1.4  1.3  1.3  1.2  1.2  1.1  1.1  1.8  2.4  2.4


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

DATE                                        FRIDAY 02/14/25                         SATURDAY 02/15/25
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 (%)    90   80   80   90   90   95   90   80   80   85   80   80   85   85   90   90   95
TEMPERATURE        21   16   18   18   20   21   24   27   27   26   26   26   25   25   28   30   30
MIN/MAX TEMP                           16                  28                  23                  31
WIND DIR           SE   SE   SE   SE   SE    S    W   NW    W    W    W    W    W   SW   SW    S   SE
WIND (MPH)          8    6    5    4    2    1    2    4    5    3    2    2    1    1    1    3    3
WIND GUST (MPH)
PRECIP PROB (%)    80   20   30   50   60   80   30   10   50   50   50   50   20   20   70   70   90
PRECIP TYPE         S    S    S    S    S    S    S         S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.04      0.01      0.06      0.05      0.05      0.07      0.01      0.06
6 HOUR SNOW                 0.5       0.1       0.8       0.7       0.7       1.0       0.1       0.7
12 HOUR SNOW                          0.6                 1.5                 1.7                 0.8
6 HOUR ICE                 0.00      0.00      0.00      0.00        MM        MM        MM        MM
SNOW LEVEL (KFT)  0.1  0.2  0.5  0.7  1.0  1.3  1.4  1.4  1.6  1.7  1.4  1.6  1.4  1.5  2.0  2.5  2.6


...WHITE PASS...

DATE                                        FRIDAY 02/14/25                         SATURDAY 02/15/25
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 (%)    95   75   80   85   85   90   90   85   85   85   75   75   80   85   80   90   90
TEMPERATURE        16   12   14   17   19   20   23   25   24   23   22   22   22   21   25   29   28
MIN/MAX TEMP                           12                  27                  20                  29
WIND DIR            E    E    E    E    E    W    W    W    W    W    W    W    W    W   SW   SW    S
WIND (MPH)         12   11   10    6    4    4    6   11   13   11   10    8    5    4    3    5    5
WIND GUST (MPH)                                            32
PRECIP PROB (%)    70   10   10   30   60   60   60   30   40   40   30   30   10   10   60   60   90
PRECIP TYPE         S              S    S    S    S    S    S    S    S    S              S    S    S
6 HOUR QPF                 0.04      0.04      0.05      0.05      0.01      0.01      0.00      0.06
6 HOUR SNOW                 0.5       0.5       0.8       0.8       0.2       0.2       0.0       0.7
12 HOUR SNOW                          1.0                 1.6                 0.4                 0.7
6 HOUR ICE                 0.00      0.00      0.00      0.00        MM        MM        MM        MM
SNOW LEVEL (KFT)  0.2  0.7  1.3  1.8  2.3  2.2  2.0  2.0  1.7  1.7  1.3  1.3  1.4  1.4  2.1  2.8  3.0


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

DATE                                        FRIDAY 02/14/25                         SATURDAY 02/15/25
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   BK   OV   OV   BK   BK   OV   OV   OV   OV   OV
CLOUD COVER (%)    95   80   85   85   90   95   85   70   75   75   70   65   75   90   85   85   95
TEMPERATURE        18   23   24   25   25   24   24   24   24   22   22   23   22   21   27   28   28
MIN/MAX TEMP                           22                  27                  20                  30
WIND DIR           SE    W    W    W    W    W    W    W    W    W    W    W    W   SW   SW    S    S
WIND (MPH)          9   13   11    6    3    2    5   11   13    9    6    4    3    2    2    4    5
WIND GUST (MPH)
PRECIP PROB (%)    80   10   10   30   80   90   40   20   60   60   50   50   30   30   70   70   90
PRECIP TYPE         S              S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.09      0.07      0.12      0.08      0.03      0.04      0.01      0.11
6 HOUR SNOW                 1.2       0.9       1.7       1.2       0.5       0.6       0.2       1.3
12 HOUR SNOW                          2.1                 2.9                 1.1                 1.5
6 HOUR ICE                 0.00      0.00      0.00      0.00        MM        MM        MM        MM
SNOW LEVEL (KFT)  2.1  2.6  2.9  3.0  3.0  2.5  2.2  2.1  1.6  1.5  1.3  1.4  1.5  1.5  2.2  2.8  3.1

$$

--- PRECIP TYPE CODES ---

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