Avalanche Weather Guidance
Issued by NWS Portland, ME

Home |  Current Version |  Previous Version |  Graphics & Text |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
814
FWUS41 KGYX 130830
AVGGYX

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT TUE AUG 13 2024


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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        SC   SC   SC   SC   SC   SC   FW   FW   FW   FW   SC   BK   BK   SC   FW   FW   SC
CLOUD COVER (%)    50   40   35   35   30   30   15   20   10   15   40   60   65   45   20   15   45
TEMPERATURE        43   46   48   49   48   47   47   46   48   51   53   51   48   48   47   47   48
MAX/MIN TEMP                           50                  46                  53                  46
WIND CHILL
WIND DIR           NW    N   NW   NW   NW    N    N    N    N    N   NW   NW   NW    N   NW    N   NE
WIND (MPH)         37   32   31   31   31   28   24   21   21   16   14   16   17   11   12   12   11
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   10   10    5    0    5    5   20   30   40   20   20   10   10   20
PRECIP TYPE                                                      R    T    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.05      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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   BK   SC   SC   SC   SC   FW   FW   FW   FW   SC   SC   BK   SC   FW   FW   SC
CLOUD COVER (%)    75   55   45   40   35   45   25   20   15   15   30   45   60   45   20   20   45
TEMPERATURE        50   57   62   63   58   56   53   53   56   63   66   64   59   56   54   54   56
MAX/MIN TEMP                           63                  53                  66                  54
WIND CHILL
WIND DIR            N    N   NW   NW   NW    N    N    N    N    N    N   NW    N    N    E   NE   NE
WIND (MPH)         19   17   18   18   16   16   13   11   10   10   10   10    9    5    5    5    4
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   10   10   10    0    5    5   20   20   30   20   20   10   10   20
PRECIP TYPE                                                      R    T    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.04      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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        SC   SC   SC   SC   SC   SC   FW   FW   FW   FW   SC   BK   BK   SC   FW   FW   SC
CLOUD COVER (%)    40   35   25   35   30   30   15   20   10   15   40   60   65   45   20   15   45
TEMPERATURE        51   58   63   63   58   55   54   53   56   65   66   64   58   56   55   54   56
MAX/MIN TEMP                           64                  53                  66                  54
WIND CHILL
WIND DIR           NW   NW   NW   NW   NW    N    N    N    N    N    N    N    N   NW   NW   NW   NE
WIND (MPH)         20   19   18   18   16   17   14   13   12   10   10    9    9    5    5    4    4
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   10    5    5    0    5    5   20   30   40   30   20   10   10   20
PRECIP TYPE                                                      R    T    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.05      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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        BK   BK   SC   SC   SC   SC   FW   FW   FW   FW   SC   BK   BK   SC   FW   FW   SC
CLOUD COVER (%)    65   50   35   40   35   35   20   20   15   15   40   55   60   45   20   20   45
TEMPERATURE        52   60   67   70   62   58   53   53   58   70   72   70   63   59   57   56   59
MAX/MIN TEMP                           70                  52                  72                  56
WIND CHILL
WIND DIR            N   NW   NW   NW   NW    N    N    N    N    N    N    N   NW   NW    W   NE   NE
WIND (MPH)         10   12   13   13    8    9    8    6    5    8    8    8    4    3    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)     5    5   10   10   10    5    0    5    5   20   30   40   20   20   10   10   20
PRECIP TYPE                                                      R    T    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.05      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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        SC   SC   FW   SC   FW   FW   FW   FW   FW   SC   SC   BK   BK   SC   FW   FW   SC
CLOUD COVER (%)    30   30   25   30   25   20   20   15   15   30   40   50   60   45   20   20   45
TEMPERATURE        56   64   68   69   61   57   54   54   59   68   70   67   60   58   56   55   58
MAX/MIN TEMP                           69                  54                  70                  55
WIND CHILL
WIND DIR           NW   NW   NW   NW   NW    N    N    N    N    N    N    N    N    N    N    N    N
WIND (MPH)         14   12   13   12    9   10    9    9    6    8    6    5    5    3    3    3    2
WIND GUST (MPH)
PRECIP PROB (%)     0    5    5    5    5    0    0    5    5   20   30   30   20   20   10   10   20
PRECIP TYPE                                                      R    R    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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        SC   SC   SC   SC   FW   FW   FW   FW   FW   SC   SC   SC   BK   SC   FW   FW   SC
CLOUD COVER (%)    35   35   30   30   25   20   20   15   15   30   35   45   60   45   20   20   45
TEMPERATURE        51   57   60   61   57   55   54   54   57   62   64   63   58   56   54   54   56
MAX/MIN TEMP                           62                  53                  64                  54
WIND CHILL
WIND DIR           NW    N   NW   NW   NW    N    N    N    N    N    N   NW    N    N    N    N   NE
WIND (MPH)         21   18   18   17   14   14   13   11   10    9    8    9    9    5    5    5    4
WIND GUST (MPH)
PRECIP PROB (%)     0    5    5    5    5    0    0    5    5   20   30   30   20   20   10   10   20
PRECIP TYPE                                                      R    R    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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   BK   SC   SC   SC   SC   FW   FW   FW   FW   SC   SC   BK   FW   FW   FW   SC
CLOUD COVER (%)    80   50   40   40   35   45   20   20   20   15   30   40   55   20   20   20   45
TEMPERATURE        48   54   60   63   59   57   54   54   57   63   66   65   60   57   54   54   56
MAX/MIN TEMP                           63                  53                  66                  54
WIND CHILL
WIND DIR            N    N   NW   NW   NW    N    N    N    N    N   NW   NW    N   NE    E    E   NE
WIND (MPH)         19   16   18   18   14   14   12   10   10    9   10   10    8    5    5    5    4
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5   10   10   10    5    5    5   20   20   30   20   10   10   10   20
PRECIP TYPE                                                      R    T    T                        R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.04      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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        FW   FW   FW   SC   FW   FW   FW   FW   FW   FW   SC   BK   BK   SC   SC   FW   SC
CLOUD COVER (%)    15   15   20   25   20   20   10   15   10   15   40   65   60   45   30   25   45
TEMPERATURE        57   66   72   71   62   59   57   56   61   70   72   69   62   60   59   57   59
MAX/MIN TEMP                           72                  56                  72                  57
WIND CHILL
WIND DIR           NW   NW   NW   NW   NW    N   NW   NW    N    N    N    N    N   NW   NW   NW   NW
WIND (MPH)         12   13   13   12    8   11   11   10    8    6    8    4    4    2    2    2    2
WIND GUST (MPH)
PRECIP PROB (%)     0    0    5    5    5    0    0    0    5   20   30   50   20   20   10   10   20
PRECIP TYPE                                                      R    T    T    T    R              R
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.05      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


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

DATE               TUESDAY 08/13/24                        WEDNESDAY 08/14/24
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   SC   SC   SC   FW   SC   FW   FW   FW   FW   FW   SC   BK   SC   FW   FW   SC
CLOUD COVER (%)    70   45   35   35   25   25   20   15   15   10   25   35   55   25   20   25   45
TEMPERATURE        52   57   61   62   58   55   53   53   56   63   65   64   59   56   54   54   56
MAX/MIN TEMP                           62                  53                  65                  54
WIND CHILL
WIND DIR            N    N   NW   NW   NW    N    N    N    N    N    N   NW    N    N   NE   NE   NE
WIND (MPH)         18   16   16   17   13   13   12   11   10    9    9    9    8    5    5    5    3
WIND GUST (MPH)
PRECIP PROB (%)     5    5    5    5    5    5    0    5    5   20   20   20   20   10   10   10   20
PRECIP TYPE                                                      R    T    T                        R
6 HOUR QPF                 0.00      0.00      0.00      0.00      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

$$

--- PRECIP TYPE CODES ---

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