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 15
953
FWUS41 KGYX 232130
AVGGYX

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EST SUN NOV 23 2025


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    95   80   85   85   75   70   70   60   45   55   75   80   80   85   90   90   80
TEMPERATURE        18   16   16   17   16   17   19   18   19   21   23   25   25   25   27   25   26
MIN/MAX TEMP                           15                  20                  17                  28
WIND CHILL          1   -2   -3   -4   -6   -5   -2   -4   -3    0    2    4    6    8   12    9   11
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW    W    W    W    W    W    W   SW   SW
WIND (MPH)         23   21   25   33   37   39   37   40   42   43   47   54   40   32   26   25   25
WIND GUST (MPH)
PRECIP PROB (%)    40   20   20   30   20   10    5    5    5    5    5    5    0    5   10   20   50
PRECIP TYPE         S    S    S    S    S                                                      S    S
6 HOUR QPF                 0.03      0.02      0.02      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.5       0.3       0.3       0.0       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)  0.7  0.7  0.8  0.7  0.7  0.6  0.7  0.5  0.1  0.3  0.9  1.3  1.5  2.3  3.3  3.6  4.3
SNOW RATIO (:1)    16   16   16   16   16   16   14   12   10    9    6    5    6    6    6    6    6
SNOW DENSITY (%)    6    6    6    6    6    6    7    8   10   11   16   20   16   16   16   16   16


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    95   80   90   90   85   85   90   65   40   60   80   85   80   85   90   90   85
TEMPERATURE        23   22   24   24   23   24   25   25   23   24   26   28   29   31   34   32   31
MIN/MAX TEMP                           21                  27                  21                  35
WIND CHILL         16   14   15   14   11   11   13   14   12   14   16   17   16   20   25   22   21
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW    W   SW   SW    W   SW   SW   SW   SW
WIND (MPH)          5    6    8   10   12   14   14   12   10    9   10   12   19   14   13   13   12
WIND GUST (MPH)
PRECIP PROB (%)    40   20   20   30   20   10    5    5    5    5    5    5    0    0   10   20   40
PRECIP TYPE         S    S    S    S    S                                                      S    S
6 HOUR QPF                 0.01      0.02      0.01      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.2       0.4       0.2       0.0       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)  0.7  0.8  0.8  0.8  0.6  0.4  0.7  0.4  0.2  0.4  0.9  1.3  1.5  2.2  3.2  3.6  4.6
SNOW RATIO (:1)    16   16   16   16   15   15   14   13   10    7    4    4    3    3    3    4    4
SNOW DENSITY (%)    6    6    6    6    6    6    7    7   10   14   25   25   33   33   33   25   25


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   OV   OV   OV   BK   BK   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    95   75   80   80   70   65   65   55   45   55   75   80   80   85   90   90   80
TEMPERATURE        24   23   24   23   22   25   27   26   25   26   27   29   29   32   36   33   31
MIN/MAX TEMP                           21                  28                  23                  36
WIND CHILL         16   14   14   11    9   11   15   14   13   15   17   18   17   22   28   24   21
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW    W    W    W    W    W    W   SW   SW
WIND (MPH)          6    8    9   12   14   18   16   14   13   12   11   13   18   13   12   12   12
WIND GUST (MPH)
PRECIP PROB (%)    40   20   20   30   20   10    5    5    5    5    5    5    0    5   10   20   50
PRECIP TYPE         S    S    S    S    S                                                      R    Z
6 HOUR QPF                 0.02      0.01      0.02      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.3       0.2       0.2       0.0       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)  0.6  0.7  0.8  0.8  0.7  0.6  0.7  0.5  0.1  0.2  0.9  1.4  1.6  2.3  3.4  3.6  4.3
SNOW RATIO (:1)    16   16   16   16   16   15   13   11    9    8    6    4    3    3    3    3    3
SNOW DENSITY (%)    6    6    6    6    6    6    7    9   11   12   16   25   33   33   33   33   33


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    95   80   85   85   80   75   75   60   45   55   75   80   80   85   90   90   80
TEMPERATURE        26   25   25   27   26   28   30   29   26   25   27   29   31   35   39   37   34
MIN/MAX TEMP                           24                  31                  23                  39
WIND CHILL                   18   20   17   17   20   19   18   18   20   23   24
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW   NW    W   SW   SW   SW   SW    S    S
WIND (MPH)          3    3    5    6    9   12   12   11    8    5    5    5    6    5    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)    40   20   20   30   20   10    5    5    5    5    5    5    0    5   10   20   50
PRECIP TYPE         S    S    S    S    S                                                      R    R
6 HOUR QPF                 0.02      0.02      0.02      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.2       0.3       0.3       0.0       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)  0.5  0.7  0.7  0.6  0.6  0.4  0.7  0.4  0.1  0.3  0.7  1.2  1.5  2.3  3.4  3.6  4.4
SNOW RATIO (:1)    15   15   15   16   15   15   14   12   10    8    5    4    2    2    2    3    3
SNOW DENSITY (%)    6    6    6    6    6    6    7    8   10   12   20   25   50   50   50   33   33


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   BK   BK   BK   BK   BK   SC   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   70   65   65   60   55   55   40   30   55   75   80   80   85   85   85   85
TEMPERATURE        26   24   25   25   25   29   31   28   26   26   26   28   29   34   37   35   32
MIN/MAX TEMP                           23                  32                  24                  38
WIND CHILL         20   17   18   16   15   19   22   19   18   18   18   20   20   27   31   29   26
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW    W    W    W    W    W    W   SW   SW
WIND (MPH)          4    5    5    8   10   12   11    9    8    6    6    8   10    9    8    6    6
WIND GUST (MPH)
PRECIP PROB (%)    30   10   10   20   10    5    5    5    0    0    0    0    0    0   10   20   50
PRECIP TYPE         S              S                                                           R    R
6 HOUR QPF                 0.01      0.00      0.00      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.2       0.0       0.0       0.0       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)  0.6  0.6  0.8  0.8  0.7  0.7  0.9  0.5  0.1  0.3  0.8  1.2  1.3  2.0  3.0  3.6  4.7
SNOW RATIO (:1)    15   15   14   15   15   15   13   11    7    5    3    3    2    2    2    3    3
SNOW DENSITY (%)    6    6    7    6    6    6    7    9   14   20   33   33   50   50   50   33   33


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   BK   BK   BK   BK   BK   BK   SC   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   70   70   65   60   60   60   40   25   55   75   80   80   85   85   85   85
TEMPERATURE        24   23   23   23   23   25   26   26   24   25   26   27   27   31   33   31   31
MIN/MAX TEMP                           22                  27                  22                  34
WIND CHILL         15   14   12   11   10   12   14   15   12   14   14   16   15   20   24   22   22
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW    W    W    W    W    W   SW   SW   SW
WIND (MPH)          8    8   11   12   16   17   14   12   12   12   13   13   16   14   12   11   11
WIND GUST (MPH)
PRECIP PROB (%)    30   10   10   20   10    5    5    5    0    5    0    0    0    0   10   20   50
PRECIP TYPE         S              S                                                           Z    S
6 HOUR QPF                 0.01      0.01      0.00      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.1       0.1       0.0       0.0       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)  0.6  0.6  0.8  0.8  0.7  0.6  0.9  0.6  0.2  0.4  0.8  1.2  1.3  2.0  2.9  3.7  4.8
SNOW RATIO (:1)    15   15   15   15   15   15   13   11    8    5    3    3    3    3    3    4    4
SNOW DENSITY (%)    6    6    6    6    6    6    7    9   12   20   33   33   33   33   33   25   25


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   BK   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    95   80   90   90   85   85   90   60   35   60   80   85   85   85   90   90   85
TEMPERATURE        24   23   24   24   24   24   25   25   24   25   27   30   29   31   34   32   31
MIN/MAX TEMP                           22                  27                  22                  36
WIND CHILL         15   14   14   13   11   11   13   14   13   15   16   19   17   20   25   23   21
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW   NW    W   SW   SW    W   SW   SW   SW   SW
WIND (MPH)          8    8    9   11   14   16   14   12   11   10   12   13   18   14   13   12   12
WIND GUST (MPH)
PRECIP PROB (%)    40   20   20   30   20   10    5    5    0    5    0    5    0    0   10   20   40
PRECIP TYPE         S    S    S    S    S                                                      R    Z
6 HOUR QPF                 0.01      0.02      0.01      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.2       0.3       0.2       0.0       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)  0.6  0.8  0.8  0.7  0.5  0.5  0.7  0.5  0.2  0.5  0.8  1.2  1.5  2.2  3.3  3.6  4.7
SNOW RATIO (:1)    15   15   15   15   15   15   14   12   10    6    4    3    3    3    3    4    4
SNOW DENSITY (%)    6    6    6    6    6    6    7    8   10   16   25   33   33   33   33   25   25


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   BK   BK   BK   SC   SC   SC   SC   SC   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   70   60   55   50   35   35   30   35   50   70   75   80   85   90   85   80
TEMPERATURE        28   26   26   27   26   32   34   31   28   28   28   30   31   35   39   37   34
MIN/MAX TEMP                           25                  35                  26                  39
WIND CHILL                        20   18   24   26   25                       25
WIND DIR            W   NW   NW   NW   NW   NW   NW   NW    W    W    W    W    W   SW    S    S   SW
WIND (MPH)          3    3    3    5    6   10   10    5    4    3    4    4    5    3    3    3    3
WIND GUST (MPH)
PRECIP PROB (%)    30   10   10   10   10    5    5    5    0    0    5    0    0    0   10   10   40
PRECIP TYPE         S                                                                               R
6 HOUR QPF                 0.01      0.00      0.00      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.2       0.0       0.0       0.0       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)  0.2  0.2  0.3  0.4  0.4  0.8  0.9  0.6  0.2  0.2  0.5  1.2  1.5  2.3  3.6  3.7  4.4
SNOW RATIO (:1)    14   14   14   13   14   13   11   10    7    4    3    3    2    2    2    3    3
SNOW DENSITY (%)    7    7    7    7    7    7    9   10   14   25   33   33   50   50   50   33   33


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

DATE                                   MONDAY 11/24/25                         TUESDAY 11/25/25
TIME (LT)          19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16   19
                   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P

CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   SC   FW   BK   OV   OV   OV   OV   OV   OV   OV
CLOUD COVER (%)    90   75   80   80   75   80   80   45   25   60   80   80   85   85   90   85   85
TEMPERATURE        24   23   24   24   24   25   26   25   23   25   26   28   28   30   32   30   31
MIN/MAX TEMP                           22                  27                  21                  33
WIND CHILL         16   15   15   13   12   13   14   15   13   16   15   18   16   20   23   20   21
WIND DIR           SW   NW   NW   NW   NW   NW   NW   NW   NW    W   SW   SW   SW   SW   SW   SW    S
WIND (MPH)          6    6    8   11   13   13   13   10    9    9   12   11   14   12   11   11   12
WIND GUST (MPH)
PRECIP PROB (%)    30   10   20   20   10    5    5    5    0    5    0    0    0    0   10   20   40
PRECIP TYPE         S         S    S                                                           Z    Z
6 HOUR QPF                 0.02      0.01      0.00      0.00      0.00      0.00      0.00      0.00
6 HOUR SNOW                 0.3       0.2       0.0       0.0       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)  0.7  0.8  0.9  0.8  0.6  0.6  0.8  0.6  0.2  0.6  0.8  1.1  1.4  2.1  2.9  3.8  5.0
SNOW RATIO (:1)    15   14   15   15   15   15   13   12    9    4    3    3    3    3    3    4    4
SNOW DENSITY (%)    6    7    6    6    6    6    7    8   11   25   33   33   33   33   33   25   25

$$

--- PRECIP TYPE CODES ---

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