Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
402
FWUS41 KGYX 110930
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EST THU DEC 11 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 65 55 60 60 65 65 65 65 65 55 55 55 65 60 55 55 50
TEMPERATURE 7 4 -1 -4 -6 -7 -7 -7 -7 -3 0 2 1 3 4 3 2
MAX/MIN TEMP 7 -8 4 0
WIND CHILL -25 -29 -36 -41 -46 -48 -48 -49 -48 -42 -36 -31 -32 -30 -28 -27 -26
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 72 71 66 73 82 89 92 93 90 86 74 63 64 67 64 52 41
WIND GUST (MPH) 90 89 84 93 104 112 116 117 115 108 94 81 85 81
PRECIP PROB (%) 50 40 50 50 60 50 40 30 20 20 10 5 5 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.11 0.12 0.17 0.13 0.04 0.00 0.00 0.00
6 HOUR SNOW 2.0 1.9 2.5 2.2 0.7 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 18 20 19 15 14 15 16 18 18 17 17 18 18 18 18 17 17
SNOW DENSITY (%) 5 5 5 6 7 6 6 5 5 5 5 5 5 5 5 5 5
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK OV OV OV BK BK OV BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 70 65 70 75 75 70 65 80 65 55 60 60 65 60 60 60 55
TEMPERATURE 16 11 8 5 4 3 3 3 3 6 10 11 10 11 10 9 7
MAX/MIN TEMP 16 2 12 7
WIND CHILL -3 -8 -12 -17 -18 -20 -20 -20 -20 -15 -9 -7 -9 -12 -12 -12 -13
WIND DIR W W W W W W W NW W W W W W W W W W
WIND (MPH) 21 20 20 23 24 25 25 25 24 23 20 18 20 32 29 24 19
WIND GUST (MPH) 40 40 43 46 47 43 40 36 50 48
PRECIP PROB (%) 40 30 40 40 50 40 40 20 10 10 10 5 5 0 0 0 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.02 0.05 0.03 0.01 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.4 0.8 0.5 0.2 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 20 21 18 16 15 16 16 18 19 20 20 20 20 19 19 18 18
SNOW DENSITY (%) 5 4 5 6 6 6 6 5 5 5 5 5 5 5 5 5 5
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK SC BK
CLOUD COVER (%) 65 55 60 60 65 60 60 60 60 50 50 55 60 55 50 50 50
TEMPERATURE 17 13 10 6 4 4 3 4 3 6 11 11 11 11 11 9 7
MAX/MIN TEMP 17 3 12 7
WIND CHILL -1 -7 -10 -17 -20 -21 -22 -21 -22 -18 -10 -9 -9 -12 -11 -12 -13
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 25 26 24 26 29 32 32 33 32 32 27 23 25 33 31 25 20
WIND GUST (MPH) 52 49 52 63 63 50 52 50 58 50 44 52 49
PRECIP PROB (%) 40 30 50 50 50 50 40 30 10 20 10 5 5 0 0 0 0
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.09 0.09 0.16 0.11 0.00 0.00 0.00 0.00
6 HOUR SNOW 1.7 1.6 2.5 2.0 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 17 19 20 17 15 16 17 18 18 17 17 18 18 18 18 17 17
SNOW DENSITY (%) 5 5 5 5 6 6 5 5 5 5 5 5 5 5 5 5 5
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 65 60 65 65 65 65 65 70 65 55 60 60 65 60 60 55 55
TEMPERATURE 19 16 13 10 8 6 6 6 7 9 14 14 14 14 12 11 10
MAX/MIN TEMP 19 6 14 10
WIND CHILL 2 -2 -6 -10 -14 -17 -17 -17 -16 -13 -5 -4 -3 -2 -3 -3 -2
WIND DIR NW NW W W W W NW NW NW W W W W W W W W
WIND (MPH) 21 23 21 24 26 26 27 28 27 27 24 20 18 16 13 10 8
WIND GUST (MPH) 40 47 49 46 47 44 46 44
PRECIP PROB (%) 50 40 50 50 60 50 40 30 20 20 10 5 5 0 0 0 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.01 0.01 0.01 0.02 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.2 0.2 0.2 0.4 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 18 21 20 18 16 16 17 18 19 19 19 20 19 18 18 18 17
SNOW DENSITY (%) 5 4 5 5 6 6 5 5 5 5 5 5 5 5 5 5 5
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK BK BK BK BK SC SC SC SC SC SC SC SC SC
CLOUD COVER (%) 60 55 60 60 60 60 55 55 45 40 45 45 50 45 40 40 45
TEMPERATURE 19 16 13 9 7 6 5 5 6 10 14 14 12 13 12 10 9
MAX/MIN TEMP 19 5 14 9
WIND CHILL 4 0 -4 -10 -13 -15 -16 -17 -14 -9 -3 -1 -4 -5 -6 -7 -7
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 18 18 17 18 19 21 21 23 20 20 18 14 14 19 18 14 12
WIND GUST (MPH) 40 42 44 44 48 42 37 34
PRECIP PROB (%) 30 20 30 30 30 30 20 10 10 10 5 0 0 0 0 0 0
PRECIP TYPE S S S S S S S
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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 17 20 20 17 16 17 18 20 19 19 19 19 18 18 18 17 17
SNOW DENSITY (%) 5 5 5 5 6 5 5 5 5 5 5 5 5 5 5 5 5
...MOUNT OSCEOLA (4340 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK BK BK BK BK SC SC SC SC SC SC SC SC SC
CLOUD COVER (%) 60 55 60 65 65 60 55 60 50 40 45 45 50 45 40 40 45
TEMPERATURE 15 12 8 6 5 4 3 4 4 7 10 12 10 12 10 9 7
MAX/MIN TEMP 15 3 12 7
WIND CHILL -5 -9 -13 -17 -21 -23 -24 -23 -22 -16 -11 -8 -11 -10 -12 -12 -13
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 29 26 24 28 36 39 39 37 34 29 26 24 26 31 28 24 19
WIND GUST (MPH) 48 42 61 58 54 49 46
PRECIP PROB (%) 30 20 30 30 30 30 20 10 10 10 5 0 0 0 0 0 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 18 21 19 17 16 17 18 20 20 20 20 19 19 18 18 17 17
SNOW DENSITY (%) 5 4 5 5 6 5 5 5 5 5 5 5 5 5 5 5 5
...CANNON MOUNTAIN (4080 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK OV OV OV BK BK OV BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 65 65 70 75 75 70 65 80 65 55 60 55 60 60 60 60 55
TEMPERATURE 17 12 8 6 5 4 4 4 4 6 10 13 11 12 10 10 8
MAX/MIN TEMP 17 4 14 8
WIND CHILL -3 -7 -12 -16 -19 -21 -21 -21 -20 -16 -10 -5 -9 -10 -12 -10 -11
WIND DIR W W W W W W W NW W W W W W W W W W
WIND (MPH) 25 23 21 25 29 31 31 31 27 25 21 19 23 31 27 23 18
WIND GUST (MPH) 40 49 49 44 49 44
PRECIP PROB (%) 40 30 40 40 40 40 30 20 10 10 5 5 0 0 0 0 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.01 0.03 0.01 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.2 0.5 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 19 21 18 16 15 16 16 18 20 20 20 20 20 19 19 18 18
SNOW DENSITY (%) 5 4 5 6 6 6 6 5 5 5 5 5 5 5 5 5 5
...BALDFACE MOUNTAIN (3547 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK SC SC SC BK BK BK SC SC SC SC SC SC SC SC SC SC
CLOUD COVER (%) 55 40 50 45 55 55 55 40 50 40 35 40 45 40 35 35 40
TEMPERATURE 23 21 16 12 9 8 8 8 8 13 16 17 15 15 14 12 10
MAX/MIN TEMP 23 8 17 10
WIND CHILL 9 8 1 -5 -10 -11 -12 -12 -11 -4 1 3 1 2 1 1 0
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 13 14 14 16 18 18 20 20 19 18 16 13 12 11 10 6 5
WIND GUST (MPH) 35 39 42 35 41 44 37 35
PRECIP PROB (%) 10 5 20 20 20 20 10 10 10 10 5 0 0 0 0 0 0
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 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
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 16 17 21 19 17 17 18 18 18 18 17 18 17 17 17 17 17
SNOW DENSITY (%) 6 5 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5
...MOUNT MOOSILAUKE (4802 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK OV BK BK BK BK SC SC SC SC SC SC SC BK
CLOUD COVER (%) 60 55 65 70 75 65 60 70 60 45 50 45 45 45 45 45 55
TEMPERATURE 13 11 7 5 4 3 3 3 3 6 9 11 9 10 9 8 6
MAX/MIN TEMP 13 2 11 6
WIND CHILL -5 -7 -12 -16 -18 -20 -20 -20 -19 -14 -9 -5 -10 -12 -13 -12 -13
WIND DIR W W W W W W W W W W W W W NW W W W
WIND (MPH) 20 18 18 20 24 25 25 24 21 19 17 14 18 29 26 21 17
WIND GUST (MPH) 36 39
PRECIP PROB (%) 30 20 30 30 40 30 20 10 5 5 5 0 0 0 0 0 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.5 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 19 21 18 16 16 16 17 19 20 20 20 20 19 19 19 18 18
SNOW DENSITY (%) 5 4 5 6 6 6 5 5 5 5 5 5 5 5 5 5 5
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN