Avalanche Weather Guidance
Issued by NWS Pendleton, OR

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406
FWUS46 KPDT 172256
AVGPDT

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PENDLETON OR
256 PM PST SUN NOV 17 2024


...BROKEN TOP...

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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 (%)    85   80   80   85   80   75   70   70   75   70   70   85   85   80   80   90   90
TEMPERATURE        21   18   17   17   18   18   17   18   15   15   15   16   19   18   21   23   23
MIN/MAX TEMP                           16                  19                  14                  25
WIND DIR            W    W    W    W    W    W   SW    W   SW   SW   SW   SW   SW   SW    S    S    S
WIND (MPH)         24   27   27   26   25   21   19   18   16   18   20   21   21   21   23   25   23
WIND GUST (MPH)    43   49   52   51   48   41                       41   40   39   40             46
PRECIP PROB (%)    90   60   60   70   90   80   90   90   70   70   80   80   70   70   60   60   90
PRECIP TYPE         S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.42      0.40      0.33      0.17      0.14      0.15      0.07      0.02
6 HOUR SNOW                 6.6       6.2       5.4       2.9       2.2       2.3       1.1       0.3
12 HOUR SNOW                         12.8                 8.3                 4.5                 1.4
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  2.9  2.2  2.2  2.2  2.2  1.7  1.8  1.8  1.7  1.5  1.4  1.3  1.6  2.0  2.7  2.6  3.4


...TAM MCARTHUR RIM...

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   BK   BK   BK   BK   BK   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    80   70   70   75   75   70   65   65   65   65   65   80   80   75   80   90   85
TEMPERATURE        22   19   18   18   19   18   19   20   16   16   16   17   20   19   22   25   24
MIN/MAX TEMP                           17                  20                  15                  25
WIND DIR            W    W    W    W    W    W   SW    W   SW   SW   SW   SW   SW   SW    S    S    S
WIND (MPH)         25   29   29   29   28   25   21   18   16   19   23   24   24   24   25   26   24
WIND GUST (MPH)    43   49   52   51   48                            41                            46
PRECIP PROB (%)    90   60   60   70   90   80   80   80   70   70   80   80   70   70   60   60   90
PRECIP TYPE         S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.39      0.37      0.28      0.15      0.12      0.13      0.06      0.01
6 HOUR SNOW                 6.2       5.7       4.6       2.5       1.9       2.0       0.9       0.2
12 HOUR SNOW                         11.9                 7.1                 3.9                 1.1
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  2.9  2.2  2.2  2.2  2.2  1.7  1.8  1.8  1.7  1.5  1.4  1.3  1.6  2.0  2.7  2.6  3.4


...NEWBERRY CRATER...

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   BK   BK   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   80   75   80   85   75   70   75   65   70   65   75   85   75   80   90   95
TEMPERATURE        25   20   18   18   19   19   17   19   18   17   16   16   19   18   20   23   23
MIN/MAX TEMP                           17                  20                  16                  25
WIND DIR            W    W    W    W    W    W    W    W    W   SW   SW   SW   SW    S    S    S    S
WIND (MPH)         17   21   23   24   23   19   17   14   12   12   17   18   19   18   17   19   17
WIND GUST (MPH)    36   42   48   49   47   41   36                  35   37   37   37   36   39   37
PRECIP PROB (%)    90   40   20   50   80   70   70   70   40   40   50   50   40   40   50   50   80
PRECIP TYPE         S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.17      0.14      0.15      0.06      0.05      0.03      0.01      0.01
6 HOUR SNOW                 2.6       2.2       2.5       1.0       0.8       0.4       0.2       0.1
12 HOUR SNOW                          4.8                 3.5                 1.2                 0.3
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.6  2.3  2.2  2.1  2.1  1.8  1.9  2.0  1.8  1.6  1.5  1.4  1.7  1.9  2.5  2.5  3.2


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   SC   SC   BK   OV   OV   BK   SC   BK   BK   BK   BK   BK   BK   OV
CLOUD COVER (%)    80   85   65   45   45   55   70   70   55   45   55   55   55   60   55   65   75
TEMPERATURE        25   24   17   14   12   12   17   18   13   10   10   10   10   10   18   18   16
MIN/MAX TEMP                           12                  18                   9                  20
WIND DIR           SW    W    W    W    W    W    W    W   SW   SW   SW   SW   SW    S    S    S    S
WIND (MPH)         18   14   16   16   14   13   11    9    6    9   11   13   16   18   18   19   17
WIND GUST (MPH)
PRECIP PROB (%)   100   80   10   10   20   40   70   70   50   50   40   40   30   30   20   20   20
PRECIP TYPE         S    S              S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.34      0.01      0.01      0.02      0.01      0.00      0.01      0.00
6 HOUR SNOW                 4.2       0.1       0.1       0.4       0.2       0.0       0.2       0.0
12 HOUR SNOW                          4.3                 0.5                 0.2                 0.2
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.6  3.7  2.4  1.5  1.1  0.9  1.9  1.8  1.2  0.6  0.6  0.4  0.5  0.7  1.3  1.2  1.7


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   SC   BK   OV   OV   BK   SC   BK   BK   BK   BK   BK   OV   OV
CLOUD COVER (%)    80   85   75   50   45   55   70   75   55   45   55   60   60   65   65   75   80
TEMPERATURE        25   26   23   19   17   17   24   25   20   14   14   13   14   15   22   23   20
MIN/MAX TEMP                           16                  26                  13                  24
WIND DIR            S   SW    S   SW    S    S   SW   SW    S    S   SW   SW    S    S    S    S    S
WIND (MPH)         14   11    9    9    8    9    9    8    6    8    9   10   11   12   14   17   13
WIND GUST (MPH)
PRECIP PROB (%)   100   80   10    5   10   20   70   70   50   50   40   40   40   40   30   30   20
PRECIP TYPE         S    S              S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.26      0.00      0.00      0.02      0.01      0.00      0.01      0.01
6 HOUR SNOW                 2.6       0.0       0.0       0.3       0.2       0.1       0.2       0.1
12 HOUR SNOW                          2.6                 0.3                 0.3                 0.3
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.5  3.8  2.7  1.5  0.9  0.7  1.9  1.9  1.2  0.5  0.5  0.4  0.4  0.5  1.2  1.3  1.6


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   SC   SC   BK   OV   BK   SC   SC   SC   BK   BK   BK   OV   OV   OV
CLOUD COVER (%)    95   90   75   45   35   55   70   70   50   40   50   60   55   65   80   85   85
TEMPERATURE        24   25   21   17   15   15   20   22   17   11   11   11   11   12   18   20   18
MIN/MAX TEMP                           14                  22                  10                  20
WIND DIR            S    W    W    W    W   SW   SW   SW   SW   SW    W    W   SW    S    S    S    S
WIND (MPH)         12   11    9    8    8    8   10    9    6    6    5    6    8   10   12   14   11
WIND GUST (MPH)
PRECIP PROB (%)   100   80   10    5   20   30   70   70   50   50   40   40   40   40   30   30   20
PRECIP TYPE         S    S              S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.50      0.00      0.01      0.03      0.02      0.00      0.01      0.02
6 HOUR SNOW                 6.2       0.0       0.2       0.5       0.3       0.0       0.2       0.3
12 HOUR SNOW                          6.2                 0.7                 0.3                 0.5
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.3  3.7  2.5  1.5  0.9  0.8  1.8  1.9  1.2  0.7  0.6  0.3  0.5  0.6  1.0  1.3  1.7


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   OV   OV   OV   OV   BK   BK   BK   BK   BK   OV   OV   OV   OV
CLOUD COVER (%)    95   95   80   65   75   80   85   80   65   70   60   60   70   75   70   80   80
TEMPERATURE        24   24   20   19   18   17   20   21   18   15   13   13   14   14   19   21   19
MIN/MAX TEMP                           17                  21                  12                  22
WIND DIR            S    W    W    W    W    W    W    W   SW   SW    W   SE   SE   SE    S    S   SE
WIND (MPH)         13   11   12   12   11   10   11    9    6    8    6    8    9   11   13   16   13
WIND GUST (MPH)
PRECIP PROB (%)   100   70   10   10   40   60   70   70   50   50   40   40   50   50   30   30   30
PRECIP TYPE         S    S         S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.39      0.01      0.06      0.07      0.04      0.01      0.01      0.00
6 HOUR SNOW                 4.9       0.2       0.9       1.1       0.6       0.2       0.2       0.0
12 HOUR SNOW                          5.1                 2.0                 0.8                 0.2
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.5  3.6  2.3  1.5  1.3  1.0  1.8  1.8  1.4  0.8  0.7  0.5  0.6  0.7  1.1  1.1  1.7


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   SC   SC   BK   OV   OV   SC   SC   SC   BK   BK   BK   OV   OV   OV
CLOUD COVER (%)    95   90   70   50   45   60   75   70   50   45   45   60   55   70   75   80   85
TEMPERATURE        20   23   17   14   12   12   15   16   12    9    9    7    9    9   14   15   14
MIN/MAX TEMP                           12                  17                   7                  17
WIND DIR            S    W    W    W    W    W    W    W    W   SW   NW    W   SW    S    S    S    S
WIND (MPH)         16   16   14   14   14   12   11   10    8    9    8    9   11   13   14   16   13
WIND GUST (MPH)
PRECIP PROB (%)   100   80    5   10   20   40   70   70   50   50   40   40   40   40   30   30   30
PRECIP TYPE         S    S              S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.48      0.00      0.02      0.04      0.02      0.01      0.01      0.02
6 HOUR SNOW                 6.6       0.0       0.4       0.6       0.3       0.2       0.2       0.3
12 HOUR SNOW                          6.6                 1.0                 0.5                 0.5
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  3.3  3.7  2.5  1.5  1.0  0.9  1.8  1.8  1.2  0.7  0.6  0.4  0.6  0.6  1.0  1.2  1.7


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   BK   BK   BK   OV   OV   BK   BK   BK   BK   BK   OV   BK   OV   OV
CLOUD COVER (%)    95   85   65   60   65   70   70   70   60   65   65   60   70   75   65   75   90
TEMPERATURE        26   21   16   15   15   14   15   16   13   11   11   12   12   11   16   19   16
MIN/MAX TEMP                           14                  18                  10                  20
WIND DIR            W    W    W    W    W    W    W    W    W    W   SW   SW   SW    S    S    S   SE
WIND (MPH)         13   17   17   14   13   13   13   10    8    9    9   10   12   16   17   18   18
WIND GUST (MPH)
PRECIP PROB (%)   100   50    5    5   30   70   70   70   50   50   40   40   50   50   30   30   40
PRECIP TYPE         S    S              S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.31      0.01      0.06      0.06      0.02      0.01      0.01      0.01
6 HOUR SNOW                 4.2       0.2       1.1       1.0       0.4       0.2       0.2       0.2
12 HOUR SNOW                          4.4                 2.1                 0.6                 0.4
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  4.2  3.2  2.0  1.4  1.1  1.3  1.9  1.8  1.5  0.9  0.6  0.6  0.8  0.8  1.3  0.9  1.9


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

DATE                                        MONDAY 11/18/24                         TUESDAY 11/19/24
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   BK   OV   OV   OV   OV   BK   BK   BK   BK   BK   OV   OV   BK   BK   OV
CLOUD COVER (%)    95   85   65   75   75   85   85   70   55   65   65   65   70   80   55   65   80
TEMPERATURE        29   28   27   26   25   25   27   28   25   23   21   21   21   20   25   28   25
MIN/MAX TEMP                           25                  28                  20                  29
WIND DIR            W    W    W    W   SW   SW    W    W    W   SW   SW    S    S    S    S    S   SE
WIND (MPH)         11   14   14   12   11   12   12   10    8    9    9    9    9   10   11   12   11
WIND GUST (MPH)    28   39   40   36   34   33   32                  26                            29
PRECIP PROB (%)   100   30    5   10   60   90   70   70   40   40   40   40   40   40   20   20   30
PRECIP TYPE         S    S              S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.31      0.02      0.11      0.05      0.03      0.01      0.01      0.00
6 HOUR SNOW                 2.9       0.3       1.7       0.8       0.4       0.2       0.2       0.0
12 HOUR SNOW                          3.2                 2.5                 0.6                 0.2
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)  4.0  2.9  2.1  1.6  1.5  1.5  1.9  1.8  1.5  0.9  0.7  0.5  0.6  0.6  1.2  1.2  1.9

$$

--- PRECIP TYPE CODES ---

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