Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA

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275
FWUS46 KSEW 102155
AVGSEW

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
255 PM PDT SAT AUG 10 2024


...HURRICANE RIDGE...

DATE                                        SUNDAY 08/11/24                         MONDAY 08/12/24
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER        FW   CL   CL   SC   SC   FW   SC   BK   BK   BK   SC   SC   BK   BK   BK   BK   BK
CLOUD COVER (%)    20    5    5   40   25   25   35   50   50   60   40   45   60   60   55   55   60
TEMPERATURE        67   62   58   56   54   55   59   59   58   56   53   52   51   51   53   54   54
MIN/MAX TEMP                           53                  60                  50                  55
WIND DIR           NW    W   SW    S   SW   SW    W   NW   NW   NW    W    W    N    N    N    N    N
WIND (MPH)          3    3    3    2    2    2    3    4    4    3    2    2    2    3    4    4    4
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    5    5    0    5    5    0    0    0    0    0    0    0    0    5
PRECIP TYPE
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) 10.0 10.2 10.8 10.8 10.3 10.6 10.5 10.4 10.2  9.9  9.6  9.4  9.5  9.3  9.3  9.8  9.8


...MOUNT BAKER SKI AREA...

DATE                                        SUNDAY 08/11/24                         MONDAY 08/12/24
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER        FW   FW   FW   SC   BK   SC   SC   SC   SC   BK   SC   BK   BK   OV   OV   BK   BK
CLOUD COVER (%)    15   15   15   30   60   50   40   35   35   50   45   60   70   75   70   65   70
TEMPERATURE        69   64   58   56   55   57   62   64   65   60   56   56   54   54   55   56   56
MIN/MAX TEMP                           54                  66                  52                  57
WIND DIR            W    W    S   SW    S    S    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          5    3    2    2    2    1    4    5    5    4    2    2    3    4    4    5    5
WIND GUST (MPH)
PRECIP PROB (%)    10    0    0    0    0    5   10   20   10   10    5    5   10   10   30   30   20
PRECIP TYPE                                            T                                  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) 10.8 10.5 10.2 10.0 10.0 10.2 10.2 10.2 10.4 10.5 10.5 10.5 10.6 10.5 10.5 10.6 10.4


...STEVENS PASS...

DATE                                        SUNDAY 08/11/24                         MONDAY 08/12/24
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER        CL   FW   FW   SC   BK   SC   SC   BK   SC   BK   BK   BK   OV   BK   SC   SC   SC
CLOUD COVER (%)     5   10   20   30   70   35   40   60   40   50   65   60   70   60   40   40   30
TEMPERATURE        76   68   59   56   54   55   65   72   71   64   56   54   53   53   58   64   63
MIN/MAX TEMP                           53                  72                  51                  65
WIND DIR            W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          6    5    4    3    2    2    3    5    5    5    4    4    4    4    4    5    6
WIND GUST (MPH)
PRECIP PROB (%)    10   10    0    0    0    0   10   10   20   20   20   20   10   10   20   20   20
PRECIP TYPE                                                 T    R    R    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
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) 10.0 10.0 10.1 10.1 10.0 10.0 10.4 10.8 10.9 11.0 11.0 11.0 10.8 10.5 10.5 10.7 10.6


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

DATE                                        SUNDAY 08/11/24                         MONDAY 08/12/24
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER        CL   FW   SC   FW   BK   SC   SC   SC   SC   SC   BK   BK   BK   BK   SC   FW   FW
CLOUD COVER (%)     5    5   25   20   55   40   40   50   45   50   60   60   65   50   30   20   20
TEMPERATURE        74   65   56   55   53   53   65   72   72   64   55   52   51   50   57   64   64
MIN/MAX TEMP                           52                  72                  49                  65
WIND DIR            W   NW   NW    N    N   NW   NW   NW    W   NW   NW   NW   NW    W    W    W    W
WIND (MPH)          5    3    2    1    1    2    3    5    5    3    2    2    2    3    4    5    5
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    5    5   10   10   10   10    5    5   10   10   10
PRECIP TYPE
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)  9.8  9.7  9.9  9.8  9.8 10.1 10.4 10.6 10.9 10.9 10.8 10.6 10.4 10.2 10.0 10.1 10.2


...WHITE PASS...

DATE                                        SUNDAY 08/11/24                         MONDAY 08/12/24
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER        CL   FW   FW   FW   FW   FW   SC   SC   SC   SC   SC   SC   SC   SC   FW   FW   SC
CLOUD COVER (%)     5   15   15   10   20   25   30   30   40   50   45   50   45   30   15   25   35
TEMPERATURE        70   63   53   51   50   53   65   70   70   62   53   50   48   48   58   63   63
MIN/MAX TEMP                           49                  71                  46                  65
WIND DIR            W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          9    5    4    2    2    3    4    6    8    5    5    5    5    6    6    9   10
WIND GUST (MPH)
PRECIP PROB (%)     5    5    0    0    0    0    5    5    5    5    0    0    0    0    5    5    5
PRECIP TYPE
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) 10.5  9.9  9.6  9.6  9.9 10.2 10.6 10.7 10.9 11.0 10.7 10.2 10.1 10.0 10.0 10.2 10.3


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

DATE                                        SUNDAY 08/11/24                         MONDAY 08/12/24
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER        FW   FW   FW   FW   SC   SC   SC   SC   BK   OV   BK   SC   SC   SC   FW   SC   BK
CLOUD COVER (%)    15   20   10   20   35   35   25   40   55   70   55   45   50   40   20   30   50
TEMPERATURE        66   60   54   53   52   53   58   61   62   56   51   50   48   47   51   54   55
MIN/MAX TEMP                           51                  63                  46                  56
WIND DIR            W    W   NW   NW   NW    W   SW    W    W    W    W    W    W    W    W    W    W
WIND (MPH)          9    4    2    1    1    2    4    6    8    4    2    2    3    3    6    9   10
WIND GUST (MPH)
PRECIP PROB (%)     5    0    0    0    0    0    5    5    5    5    0    0    0    0    5    5    5
PRECIP TYPE
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) 10.3  9.7  9.7  9.9 10.0 10.4 10.5 10.5 10.7 10.7 10.4 10.0  9.8  9.8  9.7  9.8  9.9

$$

--- PRECIP TYPE CODES ---

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