Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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645
FWUS46 KSEW 150938
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
238 AM PDT TUE SEP 15 2026


...HURRICANE RIDGE...

DATE                    TUESDAY 09/15/26                        WEDNESDAY 09/16/26
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        OV   OV   OV   BK   SC   CL   CL   CL   FW   FW   CL   CL   CL   CL   CL   CL   CL
CLOUD COVER (%)    80   75   70   55   25    5    5    0   10    5    5    5    5    5    0    0    0
TEMPERATURE        43   41   42   46   47   42   41   44   44   44   56   59   58   48   46   47   47
MAX/MIN TEMP                           48                  40                  60                  45
WIND DIR            N    N   NE   NE   NE   NE   NE   NE    E    E   NE   NE    N   SW    S    S    S
WIND (MPH)          2    2    3    3    3    3    6    5    5    4    3    3    2    4    5    5    2
WIND GUST (MPH)
PRECIP PROB (%)    20    5   10   10    5    0    0    0    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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  7.8  7.7  7.7  7.8  8.0  8.2  8.2  8.0  7.7  7.4  7.4  7.4  7.5  7.5  7.6  7.8  8.0


...MOUNT BAKER SKI AREA...

DATE                    TUESDAY 09/15/26                        WEDNESDAY 09/16/26
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        OV   OV   OV   OV   SC   FW   FW   FW   FW   FW   CL   CL   CL   CL   CL   CL   CL
CLOUD COVER (%)    90   90   75   70   50   15   10   10   15    5    0    5    5    5    5    5    5
TEMPERATURE        45   44   45   51   52   47   44   43   42   43   58   64   63   52   49   48   47
MAX/MIN TEMP                           53                  41                  65                  46
WIND DIR            E   NW    W    N    N   NW   NE    E    E   NE    N   NW   NW    N    E    E    E
WIND (MPH)          2    3    3    4    4    5    9   11   10    8    4    4    5    4   10   10    6
WIND GUST (MPH)
PRECIP PROB (%)    20   30   20   10   10    0    0    0    0    0    0    0    0    0    0    0    0
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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  7.5  7.6  7.9  8.3  8.4  8.2  7.9  7.6  7.4  7.2  7.7  8.3  8.3  8.1  8.1  8.2  8.2


...STEVENS PASS...

DATE                    TUESDAY 09/15/26                        WEDNESDAY 09/16/26
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        OV   OV   OV   OV   BK   SC   FW   CL   FW   CL   CL   CL   FW   CL   FW   CL   FW
CLOUD COVER (%)    95   85   70   80   70   35   10    5    5    0    5    5    5    5    5    5    5
TEMPERATURE        43   43   49   52   52   48   44   43   42   43   58   66   65   53   48   45   46
MAX/MIN TEMP                           52                  41                  66                  45
WIND DIR            W    W    W    W    N   NE    E    E    E    E    E    E    E   SE    E    E    E
WIND (MPH)          3    3    2    2    3    2    4    3    3    3    3    3    3    3    5    3    2
WIND GUST (MPH)
PRECIP PROB (%)     5   20   20   30   20    5    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE              R    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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  7.7  7.6  7.9  8.3  8.3  8.3  8.3  8.1  8.0  7.7  7.9  8.3  8.4  8.0  8.0  8.1  8.0


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

DATE                    TUESDAY 09/15/26                        WEDNESDAY 09/16/26
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        OV   BK   BK   OV   BK   SC   CL   CL   FW   CL   CL   CL   CL   CL   CL   CL   FW
CLOUD COVER (%)    90   70   65   75   65   40    5    0    5    0    0    5    5    0    5    0    5
TEMPERATURE        44   45   51   55   55   50   46   44   43   44   58   68   68   54   51   49   48
MAX/MIN TEMP                           55                  43                  69                  47
WIND DIR            N    N   NW   NW   NW    N   NE   NE    E    E   SE    S    W    N    E    E    E
WIND (MPH)          1    2    2    2    2    1    2    3    3    2    2    2    2    1    4    4    1
WIND GUST (MPH)
PRECIP PROB (%)     5   10   10   20   20    5    5    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE                        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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  7.9  7.8  7.9  8.2  8.4  8.4  8.4  8.2  8.1  7.9  8.2  8.8  8.8  8.2  8.4  8.3  8.3


...WHITE PASS...

DATE                    TUESDAY 09/15/26                        WEDNESDAY 09/16/26
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        OV   OV   BK   OV   OV   OV   FW   CL   FW   CL   CL   CL   FW   CL   CL   CL   FW
CLOUD COVER (%)    90   75   55   75   85   70    5    0    5    0    0    5    5    5    0    5    5
TEMPERATURE        41   42   49   50   50   47   43   40   40   41   53   60   61   51   45   44   43
MAX/MIN TEMP                           50                  39                  61                  42
WIND DIR            W    W   NW    N    E    E    E    E    E    E    E    E    E    E    E    E    E
WIND (MPH)          3    2    3    4    3    3    6    8    8    9   10    8    6    5   12    6    4
WIND GUST (MPH)
PRECIP PROB (%)     5   10   10   30   30   10    5    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE                        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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  8.3  8.1  8.3  8.7  8.7  8.6  8.4  8.4  8.3  8.2  8.5  8.7  8.9  8.9  9.0  8.6  8.6


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

DATE                    TUESDAY 09/15/26                        WEDNESDAY 09/16/26
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        OV   OV   BK   OV   BK   BK   FW   FW   FW   CL   CL   FW   FW   FW   CL   CL   FW
CLOUD COVER (%)    95   70   70   80   65   60   10   10   10    5    5    5   10    5    0    0   10
TEMPERATURE        41   41   43   44   44   43   41   40   41   41   51   57   57   48   48   48   47
MAX/MIN TEMP                           44                  39                  58                  45
WIND DIR           NW   NE   SW   SW    E   NE   NE   NE   NE   NE   NE    E   NE   NE   NE    E    E
WIND (MPH)          2    1    1    2    2    3    6    9    9    5    3    3    3    5    9    9    4
WIND GUST (MPH)
PRECIP PROB (%)    10   10   20   40   20   10    5    0    0    0    0    0    0    0    0    0    0
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
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  8.2  8.1  8.3  8.5  8.6  8.6  8.5  8.4  8.2  8.1  8.4  8.7  8.8  8.7  8.8  8.4  8.4

$$

--- PRECIP TYPE CODES ---

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