Avalanche Weather Guidance
Issued by NWS Juneau, AK

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
602
FWAK47 PAJK 011700
AVGAJK

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE JUNEAU AK
800 AM AKST MON DEC 1 2025

*** EXPERIMENTAL PRODUCT FOR EVALUATION ONLY ***

THIS FORECAST IS FOR USE IN SNOW SAFETY ACTIVITIES AND EMERGENCY
MANAGEMENT.


...THE JUNEAU MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)
AROUND DOWNTOWN JUNEAU AND DOUGLAS ISLAND...

DATE                    MONDAY 12/01/25                         TUESDAY 12/02/25
TIME (LT)          03   06   09   12   15   18   21   00   03   06   09   12   15   18   21   00   03
                   3A   6A   9A   12   3P   6P   9P   12   3A   6A   9A   12   3P   6P   9P   12   3A

CLOUD COVER                  OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)             100  100  100  100   95   95   90   90   95   95   95   95   95   95  100
TEMPERATURE                  36   37   37   37   37   36   35   36   36   36   37   37   36   35   36
MAX/MIN TEMP                           37                  34                  37                  34
WIND DIR                     SW   SW   SW   SW    S    S    S    S    S    S   SE   SE   SE   SE   SE
WIND (MPH)                    9    9    8    8    8    6    6    3    3    4    5    6    8    9   11
WIND GUST (MPH)              27                                                23
PRECIP PROB (%)             100  100  100  100   90   90   80   60   70   90  100  100  100  100  100
PRECIP TYPE                   S    S    S    S    S    S    S    S    S    S    S    S    S    S    R
6 HOUR QPF                 0.26      0.07      0.06      0.08      0.05      0.02      0.10      0.09
6 HOUR SNOW                 0.7       0.2       0.2       0.3       0.2       0.2       0.2       0.0
SNOW LEVEL (KFT)            3.6  3.5  3.2  3.2  3.3  3.1  3.2  3.1  3.3  3.2  3.2  3.2  3.1  3.1  3.6
SNOW RATIO (:1)               5    5    5    6    6    6    5    6    6    6    6    6    6    6    5


...NEAR SEA LEVEL AROUND JUNEAU...

DATE                    MONDAY 12/01/25                         TUESDAY 12/02/25
TIME (LT)          03   06   09   12   15   18   21   00   03   06   09   12   15   18   21   00   03
                   3A   6A   9A   12   3P   6P   9P   12   3A   6A   9A   12   3P   6P   9P   12   3A

CLOUD COVER                  OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)             100  100  100  100   95   90   90   90   95   95   95   95   95   95  100
TEMPERATURE                  41   42   42   42   42   41   41   41   41   41   42   42   41   40   40
MAX/MIN TEMP                           42                  39                  42                  39
WIND DIR                     SE   SE   SE   SE   SE   SE   SE   SE   SE   SE   SE   SE   SE   SE   SE
WIND (MPH)                    6    6    5    6    6    5    5    3    3    4    4    5    5    6    6
WIND GUST (MPH)
PRECIP PROB (%)             100  100  100  100   90   80   80   50   80   90  100  100  100  100  100
PRECIP TYPE                   R    R    R    R    R    R    R    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.14      0.05      0.03      0.06      0.05      0.02      0.10      0.09
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0
SNOW LEVEL (KFT)            3.6  3.5  3.2  3.2  3.3  3.1  3.2  3.1  3.3  3.3  3.2  3.2  3.1  3.1  3.6
SNOW RATIO (:1)               3    4    4    4    4    4    4    4    4    4    4    4    4    4    4


...THE KLONDIKE MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)
ALONG THE KLONDIKE HIGHWAY AND TAIYA RIVER VALLEY...

DATE                    MONDAY 12/01/25                         TUESDAY 12/02/25
TIME (LT)          03   06   09   12   15   18   21   00   03   06   09   12   15   18   21   00   03
                   3A   6A   9A   12   3P   6P   9P   12   3A   6A   9A   12   3P   6P   9P   12   3A

CLOUD COVER                  OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)              90   90   85   85   85   85   85   85   95   90   90   90   90   90   90
TEMPERATURE                  33   34   33   33   33   32   32   32   33   36   38   38   38   37   38
MAX/MIN TEMP                           34                  31                  38                  37
WIND DIR                     SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW
WIND (MPH)                   12   13   10   10   10    9    6   10   10   12   14   18   21   20   18
WIND GUST (MPH)
PRECIP PROB (%)              70   70   50   50   60   50   40   40   30   50   80   90  100  100   80
PRECIP TYPE                   S    S    R    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.06      0.01      0.01      0.02      0.04      0.05      0.07      0.06
6 HOUR SNOW                 0.5       0.1       0.1       0.2       0.3       0.5       0.4       0.0
SNOW LEVEL (KFT)            0.9  1.3  1.4  1.3  1.2  1.7  1.9  2.2  2.8  2.8  2.8  3.0  2.9  2.9  3.1
SNOW RATIO (:1)              10   10   10   10   10   10    9    9    9    9   10   10   10   10    9


...NEAR SEA LEVEL AROUND SKAGWAY...

DATE                    MONDAY 12/01/25                         TUESDAY 12/02/25
TIME (LT)          03   06   09   12   15   18   21   00   03   06   09   12   15   18   21   00   03
                   3A   6A   9A   12   3P   6P   9P   12   3A   6A   9A   12   3P   6P   9P   12   3A

CLOUD COVER                  OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)              90   85   85   85   85   90   85   90   95   95   95   95   95   90   95
TEMPERATURE                  40   42   42   42   41   41   40   40   41   44   44   44   43   44   44
MAX/MIN TEMP                           43                  39                  46                  42
WIND DIR                     SW   SW   SW   SW   SW   SW    S    S    S    S    S    S    S    S    S
WIND (MPH)                   10   10    6    4    3    2    2    4    5    6    9   10   11   10   10
WIND GUST (MPH)
PRECIP PROB (%)              70   70   50   50   60   50   50   40   30   50   90   90  100  100   80
PRECIP TYPE                   R    R    R    R    R    R    R    R    R    R    R    R    R    R    R
6 HOUR QPF                 0.05      0.01      0.01      0.01      0.04      0.05      0.08      0.06
6 HOUR SNOW                 0.1       0.0       0.0       0.0       0.0       0.1       0.1       0.0
SNOW LEVEL (KFT)            1.2  1.6  1.7  1.7  1.5  1.9  2.0  2.3  2.7  2.7  2.7  2.9  2.8  2.8  3.0
SNOW RATIO (:1)               5    5    5    5    5    5    5    6    6    6    6    6    6    6    6


...THE HAINES MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)
ALONG THE CHILKAT RIVER VALLEY AND THE TAKSHANUK MOUNTAINS...

DATE                    MONDAY 12/01/25                         TUESDAY 12/02/25
TIME (LT)          03   06   09   12   15   18   21   00   03   06   09   12   15   18   21   00   03
                   3A   6A   9A   12   3P   6P   9P   12   3A   6A   9A   12   3P   6P   9P   12   3A

CLOUD COVER                  OV   OV   OV   OV   BK   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)              85   85   80   70   70   85   70   85   90   95   95   95   95   90   95
TEMPERATURE                  30   32   31   30   30   29   28   28   29   32   34   34   34   33   33
MAX/MIN TEMP                           33                  27                  34                  33
WIND DIR                      S    S    S    S   SW    W   SW    S    S    S    S    S    S    S    S
WIND (MPH)                    2    2    2    2    2    2    2    1    1    1    2    4    6    5    6
WIND GUST (MPH)                                                                     21
PRECIP PROB (%)              60   50   30   30   50   30   30   20   20   40   60   50  100   80   70
PRECIP TYPE                   R    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 HOUR QPF                 0.04      0.01      0.01      0.00      0.01      0.01      0.02      0.02
6 HOUR SNOW                 0.3       0.1       0.0       0.1       0.1       0.1       0.2       0.1
SNOW LEVEL (KFT)            1.2  1.6  1.7  1.5  1.3  1.7  1.8  2.0  2.5  2.5  2.6  2.8  2.8  2.8  3.0
SNOW RATIO (:1)               6    7    7    7    7    7    7    7    8    8    8    8    8    8    7


...NEAR SEA LEVEL AROUND HAINES AND LOWER ELEVATIONS ALONG THE HAINES HIGHWAY...

DATE                    MONDAY 12/01/25                         TUESDAY 12/02/25
TIME (LT)          03   06   09   12   15   18   21   00   03   06   09   12   15   18   21   00   03
                   3A   6A   9A   12   3P   6P   9P   12   3A   6A   9A   12   3P   6P   9P   12   3A

CLOUD COVER                  OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)              85   85   80   75   70   85   70   85   90   95   95   95   95   90   95
TEMPERATURE                  36   38   38   38   38   38   37   37   37   40   41   41   40   39   40
MAX/MIN TEMP                           39                  36                  41                  39
WIND DIR                     SE   SE   SE   SE    W    W   SE   SE   SE   SE   SE   SE   SE   SE   SE
WIND (MPH)                    3    2    2    2    2    2    2    3    3    4    5    6    8    8    6
WIND GUST (MPH)                                                 24   27   28   29   33   28   27   26
PRECIP PROB (%)              70   60   40   40   50   30   40   20   20   40   60   50  100  100   80
PRECIP TYPE                   S    R    S    S    S    S    S    R    R    S    S    S    S    S    R
6 HOUR QPF                 0.04      0.01      0.01      0.01      0.02      0.02      0.03      0.02
6 HOUR SNOW                 0.1       0.0       0.0       0.0       0.0       0.0       0.0       0.0
SNOW LEVEL (KFT)            1.4  1.9  2.0  1.8  1.7  2.0  2.0  2.2  2.5  2.5  2.6  2.8  2.8  2.8  3.0
SNOW RATIO (:1)               5    4    4    5    5    5    5    5    5    5    5    5    6    6    5

$$

--- PRECIP TYPE CODES ---

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