Avalanche Weather Guidance
Issued by NWS Portland, ME

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
678
FWUS41 KGYX 130830
AVGGYX

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT MON OCT 13 2025


...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   BK   OV
CLOUD COVER (%)    90   85   90   95   90   95   80   85   75   75   80   75   60   45   40   65   70
TEMPERATURE        37   36   37   39   38   38   38   38   39   40   41   41   39   38   37   33   31
MAX/MIN TEMP                           40                  35                  43                  26
WIND CHILL                                                                                    17   13
WIND DIR            E    E    E    E    E   SE   SE   SE   SE   NW   NW   NW   NW   NW   NW   NW   NW
WIND (MPH)         36   37   31   29   28   21   19   16   14   13   18   26   25   26   32   40   46
WIND GUST (MPH)
PRECIP PROB (%)    40   20   40   40   50   30   30   20   20   10   20   20   30   20   20   20   20
PRECIP TYPE         R    R    R    R    R    R    R    R    R         R    R    R    R    R    R    S
6 HOUR QPF                 0.08      0.13      0.05      0.03      0.00      0.02      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
SNOW LEVEL (KFT)  6.8  7.7  9.9 10.7 11.1 11.1 10.9 10.8 10.6 10.5 10.3  9.5  8.8  8.0  7.2  5.9  4.6
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    1    1    2    4


...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   OV   OV
CLOUD COVER (%)    90   90   95   95   95   90   75   90   75   75   85   75   60   45   40   75   80
TEMPERATURE        43   44   45   44   43   42   42   43   43   46   48   47   44   43   41   41   40
MAX/MIN TEMP                           45                  41                  49                  36
WIND CHILL
WIND DIR            E    E    E    E    E    E   SE   SE   SE   NW   NW   NW   NW   NW   NW   NW   NW
WIND (MPH)         19   23   18   18   18   14   11   10    6    5    9   12   10    8    9   10   13
WIND GUST (MPH)         41
PRECIP PROB (%)    60   40   50   50   50   30   30   20   20   10   20   20   30   20   20   20   20
PRECIP TYPE         R    R    R    R    R    R    R    R    R         R    R    R    R    R    R    R
6 HOUR QPF                 0.09      0.13      0.03      0.02      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
SNOW LEVEL (KFT)  7.7  9.3 10.4 11.0 11.2 11.1 11.0 10.8 10.6 10.5 10.3  9.5  8.7  8.0  7.1  5.8  4.4
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    2    3


...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   BK   BK
CLOUD COVER (%)    90   85   90   95   90   95   80   85   75   75   80   75   60   45   35   65   70
TEMPERATURE        40   40   42   41   42   42   42   42   42   46   50   49   46   44   43   42   40
MAX/MIN TEMP                           43                  40                  50                  38
WIND CHILL
WIND DIR            E    E    E    E    E    E   SE   SE   SE   NW   NW   NW   NW   NW   NW   NW   NW
WIND (MPH)         19   21   18   17   17   13   10    9    5    5    9   12   11   10   12   14   16
WIND GUST (MPH)         40
PRECIP PROB (%)    40   20   40   40   50   30   30   20   20   10   10   20   30   20   20   20   20
PRECIP TYPE         R    R    R    R    R    R    R    R    R              R    R    R    R    R    R
6 HOUR QPF                 0.07      0.14      0.04      0.02      0.00      0.01      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
SNOW LEVEL (KFT)  6.7  7.6  9.7 10.7 11.1 11.0 10.9 10.8 10.6 10.5 10.3  9.5  8.8  8.0  7.2  5.9  4.6
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    1    3


...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   BK   OV
CLOUD COVER (%)    90   85   95   90   90   95   80   90   75   75   80   75   60   45   40   70   75
TEMPERATURE        42   45   47   46   44   45   44   44   44   50   53   52   48   45   43   42   43
MAX/MIN TEMP                           47                  42                  53                  40
WIND CHILL
WIND DIR            E    E    E    E    E    E    E   SE   SE    E    N   NW   NW   NW   NW   NW   NW
WIND (MPH)         14   13   12   11   11   10    9    6    5    3    3    4    5    6    8    9   12
WIND GUST (MPH)
PRECIP PROB (%)    50   30   40   40   60   30   30   20   20   10   20   20   30   20   20   20   20
PRECIP TYPE         R    R    R    R    R    R    R    R    R         R    R    R    R    R    R    R
6 HOUR QPF                 0.04      0.06      0.01      0.02      0.00      0.01      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
SNOW LEVEL (KFT)  7.2  8.0 10.1 10.8 11.1 11.0 11.0 10.8 10.6 10.5 10.4  9.5  8.8  8.0  7.1  5.9  4.5
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    1    3


...KANCAMAGUS HIGHWAY PASS (2855 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   BK   BK
CLOUD COVER (%)    90   90   95   95   95   95   80   90   80   80   80   75   55   40   30   55   65
TEMPERATURE        41   42   44   43   42   41   41   42   43   49   52   51   46   45   42   42   42
MAX/MIN TEMP                           44                  41                  52                  40
WIND CHILL
WIND DIR            E    E    E    E    E    E    E    E    E   NW   NW   NW   NW   NW   NW   NW   NW
WIND (MPH)         11   13   11   11   10    9    5    4    2    2    4    6    6    6    8   10   10
WIND GUST (MPH)
PRECIP PROB (%)    70   50   50   50   50   30   30   30   20   20   10   20   30   20   20   10   10
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R         R    R    R    R
6 HOUR QPF                 0.10      0.17      0.02      0.03      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
SNOW LEVEL (KFT)  7.8  9.7 10.9 11.2 11.3 11.2 11.0 10.9 10.7 10.6 10.4  9.7  9.0  8.2  7.3  6.0  4.7
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    1    2


...MOUNT OSCEOLA (4340 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   BK   BK
CLOUD COVER (%)    90   90   95   95   95   95   75   90   80   80   80   75   55   40   35   60   70
TEMPERATURE        41   41   41   41   41   40   40   41   42   44   47   47   44   43   41   40   39
MAX/MIN TEMP                           42                  40                  47                  36
WIND CHILL
WIND DIR            E    E    E    E    E    E    E    E   SE   NW   NW   NW   NW   NW   NW   NW   NW
WIND (MPH)         17   20   16   16   16   12    9    6    5    5    8   12   11   13   16   17   17
WIND GUST (MPH)         37
PRECIP PROB (%)    70   50   50   50   50   30   30   30   20   20   10   20   20   20   20   10   10
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R         R    R    R    R
6 HOUR QPF                 0.09      0.14      0.01      0.02      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
SNOW LEVEL (KFT)  8.1  9.8 10.9 11.2 11.3 11.2 11.0 10.9 10.7 10.6 10.4  9.7  9.0  8.2  7.3  6.0  4.6
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    1    2


...CANNON MOUNTAIN (4080 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   OV   OV
CLOUD COVER (%)    90   90   95   95   95   90   75   90   80   75   85   75   60   45   40   75   80
TEMPERATURE        44   44   45   43   44   44   44   43   44   44   48   47   45   44   42   41   41
MAX/MIN TEMP                           46                  41                  50                  35
WIND CHILL
WIND DIR            E    E    E    E    E    E   SE   SE   SE   NW   NW   NW   NW    N   NW   NW   NW
WIND (MPH)         18   21   17   16   17   13   10    9    6    5    9   12   11    9   10   13   16
WIND GUST (MPH)         39
PRECIP PROB (%)    60   40   60   50   50   30   30   20   20   10   20   20   20   20   20   20   20
PRECIP TYPE         R    R    R    R    R    R    R    R    R         R    R    R    R    R    R    R
6 HOUR QPF                 0.10      0.16      0.03      0.01      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
SNOW LEVEL (KFT)  7.6  9.1 10.5 11.1 11.2 11.1 11.0 10.8 10.6 10.5 10.3  9.5  8.7  8.1  7.1  5.8  4.3
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    2    4


...BALDFACE MOUNTAIN (3547 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   SC   BK
CLOUD COVER (%)    90   85   90   95   95   95   85   90   75   75   75   75   60   40   35   50   60
TEMPERATURE        42   44   45   45   45   45   45   45   45   49   53   52   49   47   46   45   44
MAX/MIN TEMP                           46                  43                  53                  43
WIND CHILL
WIND DIR            E   NE    E    E    E   NE   NE    N    N    N    N    N   NW   NW   NW   NW   NW
WIND (MPH)         11   10    9    8    8    8    6    5    5    3    3    2    4    5    6    8   10
WIND GUST (MPH)
PRECIP PROB (%)    40   20   30   40   40   30   30   20   20   20   10   20   30   20   10   10   10
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R         R    R    R
6 HOUR QPF                 0.03      0.08      0.03      0.01      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
SNOW LEVEL (KFT)  6.6  7.3  9.7 10.7 11.1 11.1 10.9 10.7 10.5 10.5 10.3  9.6  9.0  8.1  7.3  6.0  4.9
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    1    2


...MOUNT MOOSILAUKE (4802 FT)...

DATE               MONDAY 10/13/25                         TUESDAY 10/14/25
TIME (LT)          08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05   08
                   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   SC   SC   OV   OV
CLOUD COVER (%)    95   90   95   95   95   90   75   90   80   80   85   75   55   40   40   70   80
TEMPERATURE        44   45   43   42   42   41   42   42   43   44   46   45   44   42   41   40   38
MAX/MIN TEMP                           45                  41                  46                  35
WIND CHILL
WIND DIR            E    E    E    E    E    E   SE   SE   SE   NW   NW   NW   NW    N    N   NW   NW
WIND (MPH)         14   18   13   14   14   11    9    6    5    4    8   11   10    9   10   12   13
WIND GUST (MPH)
PRECIP PROB (%)    70   40   60   40   50   30   30   30   20   10   20   20   20   10   10   10   10
PRECIP TYPE         R    R    R    R    R    R    R    R    R         R    R    R
6 HOUR QPF                 0.10      0.11      0.02      0.01      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
SNOW LEVEL (KFT)  8.0  9.8 10.9 11.3 11.3 11.2 11.1 10.8 10.7 10.5 10.3  9.5  8.9  8.1  7.1  5.8  4.3
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    1    2    3

$$

--- PRECIP TYPE CODES ---

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

 * SNOW LEVEL IS AN AUTOMATED PARAMETER GENERATED FROM A CONSENSUS BLEND OF NUMERICAL WEATHER GUIDANCE.