Avalanche Weather Guidance
Issued by NWS Pendleton, OR

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763
FWUS46 KPDT 111156
AVGPDT

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
356 AM PST WED DEC 11 2024


...BROKEN TOP...

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   SC   BK   OV   OV   OV   OV   OV   OV   OV   BK   BK   BK   BK   OV   OV
CLOUD COVER (%)    85   85   50   60   90   95   95   95   95   80   75   70   65   55   55   70   85
TEMPERATURE        29   28   29   32   27   26   25   25   25   24   24   26   25   23   23   22   22
MAX/MIN TEMP                           32                  23                  27                  21
WIND DIR            W   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW    W    W    W    W   SW   SW
WIND (MPH)          9   10    9    9    9   13   16   13   12   11   11   11   10   11   12   12   12
WIND GUST (MPH)
PRECIP PROB (%)     5    5   20   20   60   60   90   90   90   90   80   80   70   70   40   40   60
PRECIP TYPE                   S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.10      0.27      0.17      0.11      0.07      0.02
6 HOUR SNOW                 0.0       0.0       1.0       3.1       2.1       1.4       0.8       0.2
12 HOUR SNOW                          0.0                 4.1                 3.5                 1.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.9  3.8  4.0  4.6  4.7  4.6  4.5  4.3  4.3  4.1  4.4  4.7  4.7  4.6  4.3  4.0  3.9


...TAM MCARTHUR RIM...

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   BK   BK   OV   OV   OV   OV   OV   OV   OV   BK   BK   BK   SC   BK   OV
CLOUD COVER (%)    85   85   50   60   90   95   95   95   90   80   70   65   60   55   50   65   80
TEMPERATURE        30   28   30   33   28   27   25   25   25   25   25   27   25   23   23   22   24
MAX/MIN TEMP                           34                  24                  28                  22
WIND DIR           SW   SW   SW   SW   SW   SW   SW   SW   SW   SW    W    W    W    W    W   SW   SW
WIND (MPH)         10   10   10    9   10   14   17   14   13   12   12   11   10   12   13   13   13
WIND GUST (MPH)
PRECIP PROB (%)     5    5   20   20   50   50   90   90   90   90   70   70   70   70   30   30   60
PRECIP TYPE                   S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.08      0.23      0.14      0.10      0.05      0.01
6 HOUR SNOW                 0.0       0.0       0.8       2.6       1.8       1.2       0.6       0.2
12 HOUR SNOW                          0.0                 3.4                 3.0                 0.8
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.9  3.8  4.0  4.6  4.7  4.6  4.5  4.3  4.3  4.1  4.4  4.7  4.7  4.5  4.3  4.0  3.9


...NEWBERRY CRATER...

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   BK   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK   OV   OV
CLOUD COVER (%)    90   90   55   65   90   95   95   95   95   85   80   75   70   60   60   75   85
TEMPERATURE        27   29   29   33   29   27   26   25   25   25   22   26   26   23   23   23   23
MAX/MIN TEMP                           33                  22                  27                  22
WIND DIR           SW   SW    S    S    S    S    S    S   SW   SW   SW   SW    W    W   SW   SW   SW
WIND (MPH)          8    6    8    8    8   11   13   13   12   12   11   10    9    9   11   11   12
WIND GUST (MPH)
PRECIP PROB (%)     0    0   10   10   50   50   90   90   90   90   50   50   40   40   20   20   50
PRECIP TYPE                             S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.08      0.22      0.09      0.05      0.05      0.00
6 HOUR SNOW                 0.0       0.0       0.8       2.5       1.1       0.6       0.6       0.0
12 HOUR SNOW                          0.0                 3.3                 1.7                 0.6
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.8  3.6  3.8  4.3  4.4  4.4  4.2  4.1  4.1  3.9  4.1  4.7  4.8  4.5  4.3  4.0  3.9


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK
CLOUD COVER (%)    80   80   80   75   55   45   65   85   95   90   95   90   90   90   80   60   60
TEMPERATURE        27   27   28   30   24   22   22   23   22   20   22   24   22   22   22   21   20
MAX/MIN TEMP                           31                  20                  24                  19
WIND DIR           SW   SW   SW   SW   SW   SW   SW   SW    S    S   SW    W    W    W    W   SW   SW
WIND (MPH)         14   13   11   10   11   16   18   19   19   14    9    6    5    5    6    6    8
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5    5   10   10   50   50   70   70   70   70   40   40   30
PRECIP TYPE                                                 S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.02      0.03      0.02      0.01
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.3       0.4       0.3       0.2
12 HOUR SNOW                          0.0                 0.0                 0.7                 0.5
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.6  3.4  3.4  3.6  3.4  3.2  3.2  3.3  3.4  3.5  3.7  4.1  4.0  3.9  3.8  3.6  3.5


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK
CLOUD COVER (%)    80   75   85   80   60   45   65   85   90   90   90   90   90   90   80   65   65
TEMPERATURE        25   24   28   30   24   22   22   23   23   24   27   29   26   25   25   23   23
MAX/MIN TEMP                           31                  22                  29                  22
WIND DIR            S    S    S    S    S    S    S    S    S    S    S    S    S   SW   SW   SW   SW
WIND (MPH)         11   11   11   11   10   12   13   14   14   11    9    6    5    4    4    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5    5   10   10   50   50   70   70   80   80   50   50   40
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.02      0.03      0.03      0.01
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.3       0.4       0.4       0.1
12 HOUR SNOW                          0.0                 0.0                 0.7                 0.5
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.0  2.8  2.9  3.1  2.8  2.7  2.7  2.8  2.9  3.1  3.4  3.8  3.8  3.7  3.6  3.5  3.4


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK
CLOUD COVER (%)    80   80   80   80   60   45   70   90   90   90   90   90   90   85   75   60   65
TEMPERATURE        21   21   24   28   23   20   18   19   20   20   23   26   25   25   22   20   19
MAX/MIN TEMP                           28                  18                  27                  19
WIND DIR           SW   SW   SW   SW   SW   SW   SW   SW    S    S   SW   SW   SW    W    W    W   SW
WIND (MPH)          8    8    9    9    6    8    8    9   10    9    6    5    4    3    3    3    4
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5    5   20   20   60   60   70   70   70   70   50   50   40
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.11      0.08      0.04      0.02
6 HOUR SNOW                 0.0       0.0       0.0       0.0       1.7       1.2       0.5       0.3
12 HOUR SNOW                          0.0                 0.0                 2.9                 0.8
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  2.7  2.5  2.5  2.6  2.6  2.6  2.5  2.6  2.7  3.0  3.2  3.6  3.8  3.7  3.6  3.4  3.3


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   SC   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    85   85   80   75   55   45   70   85   95   95   95   95   85   90   85   75   75
TEMPERATURE        25   24   26   29   25   22   22   24   24   23   24   26   25   25   25   24   23
MAX/MIN TEMP                           29                  22                  26                  21
WIND DIR           SE   SE   SE   SE   SE   SE   SE   SE   SE    S    S   SW    W    W    W    W   SW
WIND (MPH)         10   10   10    9    9   10   12   13   12   10    8    6    4    4    4    4    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5    5   20   20   70   70   80   80   80   80   50   50   50
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.06      0.06      0.02      0.01
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.9       0.8       0.3       0.1
12 HOUR SNOW                          0.0                 0.0                 1.7                 0.4
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.0  2.7  2.8  3.0  3.0  2.8  2.8  2.9  3.1  3.3  3.4  3.9  3.8  3.7  3.8  3.6  3.5


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   SC   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK
CLOUD COVER (%)    80   80   80   80   60   50   70   90   95   90   90   90   90   85   75   55   65
TEMPERATURE        22   21   23   26   21   19   17   18   18   18   18   23   22   23   21   19   19
MAX/MIN TEMP                           26                  17                  23                  18
WIND DIR           SW   SW    S   SW   SW   SW   SW    S    S    S   SW   SW    W    W    W    W    W
WIND (MPH)         11   10   10    9    9   10   11   13   13   12    8    6    5    5    4    4    6
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5    5   20   20   60   60   80   80   80   80   50   50   40
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.11      0.08      0.03      0.02
6 HOUR SNOW                 0.0       0.0       0.0       0.0       1.7       1.3       0.5       0.3
12 HOUR SNOW                          0.0                 0.0                 3.0                 0.8
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  2.9  2.6  2.6  2.8  2.8  2.7  2.7  2.8  2.9  3.1  3.3  3.8  3.8  3.7  3.7  3.5  3.4


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK
CLOUD COVER (%)    80   80   80   75   60   60   85   90   90   95   95   95   85   80   75   65   60
TEMPERATURE        28   25   27   29   24   24   23   23   22   21   20   24   22   24   25   24   21
MAX/MIN TEMP                           31                  20                  25                  19
WIND DIR            S    S   SW   SW   SW    S    S    S    S    S   SW    W    W    W    W    W   SW
WIND (MPH)         11   10    9    9   10   12   14   16   14   12    9    6    5    5    6    6    6
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    5    5   30   30   80   80   80   80   70   70   30   30   40
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.08      0.06      0.01      0.01
6 HOUR SNOW                 0.0       0.0       0.0       0.0       1.3       1.0       0.2       0.2
12 HOUR SNOW                          0.0                 0.0                 2.3                 0.4
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.3  3.0  3.3  3.9  3.5  3.4  3.5  3.4  3.4  3.6  3.8  4.2  4.1  4.0  4.1  3.9  3.6


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

DATE                    WEDNESDAY 12/11/24                      THURSDAY 12/12/24
TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A

CLOUD COVER        OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    85   80   80   70   55   40   55   80   95   95   95   90   90   85   80   75   75
TEMPERATURE        26   26   29   32   28   25   26   27   27   27   29   31   29   29   30   30   30
MAX/MIN TEMP                           32                  25                  31                  26
WIND DIR            S    S    S    S    S    S    S    S    S    S    S   SW   SW   SW   SW   SW   SW
WIND (MPH)          8    8    8    6    6    9   10   10    9    8    5    4    3    4    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)     0    0    0    0    0    0   10   10   70   70   70   70   70   70   50   50   50
PRECIP TYPE                                       S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.06      0.08      0.06      0.04
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.5       0.8       0.6       0.4
12 HOUR SNOW                          0.0                 0.0                 1.3                 1.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  2.3  2.2  2.4  2.8  2.6  2.3  2.2  2.3  2.5  2.8  3.1  3.6  3.6  3.6  3.7  3.5  3.5

$$

--- PRECIP TYPE CODES ---

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