Avalanche Weather Guidance
Issued by NWS Pendleton, OR

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545
FWUS46 KPDT 181056
AVGPDT

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PDT WED SEP 18 2024


...BROKEN TOP...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        SC   SC   SC   SC   SC   FW   SC   FW   FW   CL   FW   FW   FW   FW   SC   SC   SC
CLOUD COVER (%)    45   30   30   50   30   15   25   20   20    5    5   20   25   15   30   30   35
TEMPERATURE        37   37   44   51   51   42   40   40   40   42   53   58   55   45   42   40   39
MAX/MIN TEMP                           52                  39                  58                  38
WIND DIR            W   SE    E    E    E    E    W    W    W    W    W   NW   NW    W    W    W    W
WIND (MPH)          3    3    2    3    4    3    4    5    5    6    4    5    8    5    8    9    9
WIND GUST (MPH)
PRECIP PROB (%)     0    0    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
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)  8.8  8.6  9.0  9.7  9.9  9.5  9.5  9.3  9.2  9.0  9.2  9.7 10.1  9.5  9.1  8.7  8.7


...TAM MCARTHUR RIM...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        SC   SC   SC   SC   SC   FW   SC   FW   FW   CL   FW   FW   FW   FW   SC   SC   SC
CLOUD COVER (%)    45   35   30   45   30   15   25   25   25    5   10   20   25   15   25   30   35
TEMPERATURE        38   37   45   52   52   43   40   41   41   43   54   59   57   46   43   42   40
MAX/MIN TEMP                           53                  40                  59                  39
WIND DIR            W    S    E   NE   SE   SE    W    W    W   SW   NW   NW   NW    W    W    W    W
WIND (MPH)          2    3    2    3    3    3    4    5    6    6    4    5    8    5    9   10   10
WIND GUST (MPH)
PRECIP PROB (%)     0    0    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
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)  8.8  8.6  9.0  9.6  9.9  9.5  9.4  9.2  9.2  9.0  9.2  9.7 10.1  9.5  9.1  8.7  8.7


...NEWBERRY CRATER...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        BK   SC   SC   SC   SC   SC   FW   FW   FW   CL   CL   FW   FW   FW   SC   FW   SC
CLOUD COVER (%)    50   30   40   45   40   25   25   15   15    5    5   15   25   20   25   25   25
TEMPERATURE        39   36   41   49   52   47   42   42   41   40   50   57   59   50   45   44   42
MAX/MIN TEMP                           52                  40                  59                  39
WIND DIR            E    E   SE   NW    E   NE   NE    W    W   SW   SW    W   NW   NW    W    W    W
WIND (MPH)          4    4    3    4    4    4    5    5    5    6    5    5    6    5    6    8    9
WIND GUST (MPH)
PRECIP PROB (%)     0    0    5    5    0    0    0    0    0    0    0    0    0    0    0    0    0
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)  8.8  8.6  9.0  9.7  9.8  9.7  9.6  9.4  9.3  9.1  9.3  9.7 10.4  9.9  9.5  9.0  8.9


...WALLOWA MOUNTAINS (8,000 FT TO 9,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        BK   BK   BK   BK   BK   SC   FW   FW   FW   CL   FW   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    55   65   65   65   50   35   20   10   15    5   25   40   40   15    5   15   20
TEMPERATURE        37   38   46   50   49   41   40   40   39   40   52   56   55   46   44   43   41
MAX/MIN TEMP                           50                  38                  57                  38
WIND DIR            W    W   NE    N    N    W   SW   SW   SW    S    E   NW   NW   SW   SW    W    W
WIND (MPH)          5    5    5    5    4    4    4    4    5    5    4    5    5    4    5    8    9
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
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)  9.1  9.2  9.5 10.0 10.1  9.8  9.9  9.6  9.6  9.3  9.7 10.3 10.6 10.3 10.1  9.3  9.1


...SALT CREEK AREA (5,000 FT TO 7,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        BK   BK   BK   OV   BK   SC   FW   FW   FW   CL   FW   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    55   65   65   70   55   40   25   10   10    5   20   40   40   15    5   10   20
TEMPERATURE        40   45   52   57   56   47   44   43   42   47   59   63   62   52   49   46   43
MAX/MIN TEMP                           58                  42                  63                  43
WIND DIR            W   NW    N    N   NW   NW   NW    W    W   SW   SE    S   SW   SW   SW    W    W
WIND (MPH)          3    4    4    5    4    4    4    3    4    4    5    6    6    5    4    5    5
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
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)  9.2  9.2  9.5  9.9 10.1  9.8  9.9  9.6  9.7  9.4  9.7 10.2 10.6 10.3 10.3  9.5  9.2


...CLEAR CREEK AREA (6,000 FT TO 8,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        SC   BK   BK   OV   BK   SC   FW   FW   FW   CL   FW   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    50   60   70   80   65   35   25   15   10    5   10   35   30   15    5   15   20
TEMPERATURE        39   43   49   53   54   46   43   41   41   44   54   58   58   48   45   43   41
MAX/MIN TEMP                           54                  40                  59                  41
WIND DIR            W   SW   SE    S    N   NW   NW   NW   NW   NW    S   SW   SW    W    W   NW   NW
WIND (MPH)          3    4    5    4    4    4    3    3    3    4    6   10    8    4    3    4    5
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE
6 HOUR QPF                 0.00      0.01      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)  9.2  9.2  9.5 10.1 10.2 10.0 10.0  9.6  9.7  9.4  9.7 10.1 10.6 10.3 10.3  9.5  9.2


...CATHERINE CREEK AREA (6,000 FT TO 8,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        SC   BK   BK   OV   SC   SC   FW   FW   FW   CL   FW   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    45   55   60   75   50   25   15   10   10    0   20   30   30   15   10   15   20
TEMPERATURE        39   43   49   54   54   47   44   43   42   44   54   58   58   51   47   45   42
MAX/MIN TEMP                           54                  42                  59                  42
WIND DIR           NE   SE   NW   NW    W   NE   NE    E    E    E   SW   SW    W    N    N   NW    N
WIND (MPH)          5    6    8    8    5    4    3    3    3    4    5    8    5    4    4    6    8
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
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)  9.1  9.1  9.4 10.1 10.1  9.9 10.0  9.6  9.7  9.3  9.7 10.0 10.5 10.2 10.0  9.1  8.8


...NORWAY AREA (7,000 FT TO 10,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        SC   BK   OV   OV   BK   SC   FW   FW   FW   CL   FW   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    45   60   75   85   65   30   25   15   10    5   10   35   35   15   10   15   15
TEMPERATURE        37   40   44   48   48   43   41   40   39   42   50   53   53   46   44   42   40
MAX/MIN TEMP                           49                  39                  54                  40
WIND DIR            W    W    S   SW   NW    N   NW   NW   NW    N    S   SW   SW   NW   NW   NW   NW
WIND (MPH)          6    5    5    5    4    4    4    4    4    5    6    9    8    5    3    5   10
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE
6 HOUR QPF                 0.00      0.02      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)  9.1  9.2  9.5 10.2 10.2 10.0 10.0  9.6  9.7  9.4  9.7 10.1 10.6 10.3 10.3  9.4  9.2


...ANTHONY LAKES AREA (8,000 FT TO 10,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        SC   SC   BK   OV   BK   FW   CL   FW   CL   CL   SC   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    30   45   50   75   55   20    5    5    5    5   30   35   30   15   10   15   15
TEMPERATURE        36   36   44   48   48   41   41   40   40   40   50   55   54   45   43   41   40
MAX/MIN TEMP                           49                  38                  55                  37
WIND DIR           NW   NW   NE   NE   NW    W   SW   SW   SW    S    S    W   NW   NW    W    W    W
WIND (MPH)          6    6    5    5    4    3    4    4    5    5    4    5    5    4    6    8    9
WIND GUST (MPH)
PRECIP PROB (%)     0    0    5    5    5    5    0    0    0    0    0    0    0    0    0    0    0
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)  8.9  8.9  9.2 10.0 10.1  9.8  9.8  9.6  9.6  9.2  9.5 10.2 10.5 10.0  9.7  8.8  8.6


...BLUE MOUNTAINS (4,000 FT TO 6,000 FT)...

DATE                    WEDNESDAY 09/18/24                      THURSDAY 09/19/24
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        BK   SC   SC   SC   FW   FW   CL   CL   CL   FW   FW   SC   SC   FW   FW   FW   FW
CLOUD COVER (%)    60   50   40   40   25   10    5    5    5   10   15   25   30   15   10   15   20
TEMPERATURE        44   47   54   60   60   51   49   47   45   48   59   65   63   53   50   47   43
MAX/MIN TEMP                           61                  44                  65                  43
WIND DIR            W    W    W    W   NW    W    W   SW   SW    S   SW    W    W    W   SW    W    W
WIND (MPH)          4    4    5    4    3    2    3    3    3    3    3    5    5    4    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    5    5    0    0    0    0    0    0    0    0    0    0    0    0    0
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)  9.0  9.3  9.4  9.6  9.6  9.5  9.5  9.2  9.3  9.0  9.2  9.3  9.4  9.2  9.0  8.5  8.2

$$

--- PRECIP TYPE CODES ---

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