446
FWUS41 KGYX 180930
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EST THU DEC 18 2025
..PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC BK SC SC SC OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 50 60 45 30 40 75 95 100 100 100 100 95 85 85 85 75 60
TEMPERATURE 16 22 24 27 25 25 29 32 33 33 32 27 17 10 7 4 2
MAX/MIN TEMP 29 20 33 1
WIND CHILL -4 3 3 6 3 2 8 12 12 12 12 5 -12 -23 -28 -33 -36
WIND DIR W SW SW SW S S SW S S S S W W W W W W
WIND (MPH) 29 35 49 56 60 64 66 75 86 82 69 69 86 95 98 101 96
WIND GUST (MPH) 81 84 95 109 115 97 94 118 132 136 139 132
PRECIP PROB (%) 0 0 0 0 0 10 20 60 100 100 100 90 70 50 40 20 0
PRECIP TYPE S R R R S S S S S S
6 HOUR QPF 0.00 0.00 0.04 0.43 1.36 0.45 0.19 0.01
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 3.9 3.5 0.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.1 0.2 0.6 0.5 1.7 4.7 7.0 7.1 6.7 7.2 5.7 3.3 0.8 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 7 4 3 2 1 1 2 3 3 3 4 9 17 19 20 20 18
SNOW DENSITY (%) 14 25 33 50 100 100 50 33 33 33 25 11 5 5 5 5 5
..FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC BK SC SC BK OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 45 55 35 35 60 70 90 100 100 100 95 95 90 90 90 80 60
TEMPERATURE 18 28 31 31 27 29 33 38 42 42 41 35 25 20 17 14 12
MAX/MIN TEMP 33 27 42 12
WIND CHILL 7 16 19 18 13 16 21 27 31 32 31 23 9 1 -3 -7 -9
WIND DIR SW S S S S S S S S S S W W W W W NW
WIND (MPH) 9 14 18 20 21 20 21 25 31 27 24 21 26 29 31 29 26
WIND GUST (MPH) 50 51 44 41 46 51 54 52 47
PRECIP PROB (%) 0 0 0 0 5 10 20 70 100 100 100 90 70 40 30 10 0
PRECIP TYPE R R R R R S S S S
6 HOUR QPF 0.00 0.00 0.10 0.52 1.32 0.31 0.03 0.00
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 0.6 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 0.1 0.4 0.6 2.3 4.3 7.2 7.0 6.8 7.5 5.1 3.0 0.5 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 4 2 1 0 0 1 1 1 1 1 4 10 17 20 21 20 19
SNOW DENSITY (%) 25 50 100 0 0 100 100 100 100 100 25 10 5 5 4 5 5
..TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC BK SC SC SC OV OV OV OV OV OV OV OV OV OV BK SC
CLOUD COVER (%) 50 55 40 30 40 70 90 100 100 100 100 95 85 75 75 65 50
TEMPERATURE 19 29 32 31 26 28 33 37 39 42 42 36 26 21 18 14 11
MAX/MIN TEMP 33 26 42 11
WIND CHILL 7 18 20 18 11 14 21 25 27 31 32 24 9 1 -4 -9 -12
WIND DIR W SW SW S S SW SW S S S S W W W W W W
WIND (MPH) 11 13 18 20 23 23 23 27 33 32 27 26 32 36 39 40 35
WIND GUST (MPH) 44 56 58 50 49 55 62 66 66 61
PRECIP PROB (%) 0 0 0 0 5 10 20 70 100 100 100 90 80 60 40 20 0
PRECIP TYPE R R R R R S S S S S
6 HOUR QPF 0.00 0.00 0.06 0.46 1.27 0.39 0.21 0.01
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 3.8 0.2
6 HOUR ICE 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.1 0.1 0.5 0.4 1.2 4.1 6.9 7.2 6.7 7.2 6.1 3.4 0.9 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 4 2 2 1 0 1 1 1 1 1 2 7 16 18 20 19 17
SNOW DENSITY (%) 25 50 50 100 0 100 100 100 100 100 50 14 6 5 5 5 5
..CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC BK OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 50 60 55 40 60 75 90 95 100 100 100 95 90 85 90 80 65
TEMPERATURE 20 33 35 34 28 30 35 39 43 45 45 39 29 23 20 15 13
MAX/MIN TEMP 36 28 45 13
WIND CHILL 12 28 25 16 17 24 28 33 35 36 28 14 5 1 -6 -8
WIND DIR S S S S S S S S S S S W W W W W W
WIND (MPH) 5 5 9 12 17 19 19 23 27 28 24 23 27 29 32 32 28
WIND GUST (MPH) 46 51 43 42 48 52 55 56 50
PRECIP PROB (%) 0 0 0 0 0 10 20 60 100 100 100 90 70 50 30 10 0
PRECIP TYPE R R R R R R S S S
6 HOUR QPF 0.00 0.00 0.03 0.30 1.10 0.34 0.05 0.01
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.9 0.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.1 0.7 0.5 2.1 4.5 7.2 7.1 6.6 7.6 5.8 3.2 0.8 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 3 1 1 0 0 1 1 0 0 0 2 8 16 19 21 20 18
SNOW DENSITY (%) 33 100 100 0 0 100 100 0 0 0 50 12 6 5 4 5 5
..KANCAMAGUS HIGHWAY PASS (2855 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC SC SC FW SC OV OV OV OV OV OV OV OV OV OV BK SC
CLOUD COVER (%) 45 40 30 25 45 80 95 95 100 100 95 95 75 75 75 60 40
TEMPERATURE 19 30 32 31 26 28 33 37 42 45 44 38 27 22 20 15 13
MAX/MIN TEMP 33 26 45 13
WIND CHILL 10 22 24 22 16 19 25 28 33 37 36 28 13 5 2 -4 -6
WIND DIR W SW SW SW S SW S S S S S W W W W W NW
WIND (MPH) 6 8 10 10 10 10 10 14 21 20 17 18 21 25 26 26 24
WIND GUST (MPH) 40 42 35 35 40 46 47 47 42
PRECIP PROB (%) 0 0 0 0 5 20 30 70 100 100 100 90 60 40 20 10 0
PRECIP TYPE Z R R R R R R S S S
6 HOUR QPF 0.00 0.00 0.04 0.26 1.07 0.29 0.04 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.7 0.0
6 HOUR ICE 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.4 0.6 1.2 4.5 7.0 7.2 6.7 7.4 5.9 3.4 0.6 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 3 2 1 1 1 1 1 0 0 0 2 7 16 18 20 19 17
SNOW DENSITY (%) 33 50 100 100 100 100 100 0 0 0 50 14 6 5 5 5 5
..MOUNT OSCEOLA (4340 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC SC SC SC SC OV OV OV OV OV OV OV OV OV OV BK SC
CLOUD COVER (%) 40 35 30 35 45 80 95 100 100 100 95 90 75 80 80 70 45
TEMPERATURE 17 26 29 29 25 28 32 37 40 42 41 35 24 20 18 13 11
MAX/MIN TEMP 32 24 42 10
WIND CHILL 5 15 17 16 10 14 19 25 28 31 31 22 5 -2 -5 -11 -13
WIND DIR W SW SW S S S S S S S S W W W W W NW
WIND (MPH) 10 12 18 19 21 21 21 27 35 32 24 28 40 43 44 43 37
WIND GUST (MPH) 55 55 43 48 67 73 74 73 64
PRECIP PROB (%) 0 0 0 0 5 20 30 70 100 100 90 90 60 40 20 5 0
PRECIP TYPE Z R R R R R S S S S
6 HOUR QPF 0.00 0.00 0.07 0.26 0.98 0.25 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 0.2 0.0
6 HOUR ICE 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.3 0.6 1.2 4.3 7.1 7.1 6.7 7.5 5.5 3.3 0.6 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 4 2 2 1 1 1 1 1 1 1 3 8 16 19 20 19 17
SNOW DENSITY (%) 25 50 50 100 100 100 100 100 100 100 33 12 6 5 5 5 5
..CANNON MOUNTAIN (4080 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC BK SC SC BK OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 40 55 45 35 55 70 85 100 100 100 95 95 90 85 90 80 55
TEMPERATURE 20 27 31 32 28 30 34 38 42 42 42 34 25 20 18 14 12
MAX/MIN TEMP 34 28 44 12
WIND CHILL 9 15 18 19 13 16 21 26 30 31 32 21 8 0 -3 -9 -10
WIND DIR SW S S S S S S S S S S W W W W W NW
WIND (MPH) 9 14 21 24 27 25 25 29 34 29 24 26 32 36 37 36 29
WIND GUST (MPH) 44 47 52 52 43 46 55 62 64 62 52
PRECIP PROB (%) 0 0 0 0 5 10 20 70 100 100 90 90 60 40 20 5 0
PRECIP TYPE R R R R R S S S S
6 HOUR QPF 0.00 0.00 0.15 0.52 1.29 0.27 0.02 0.00
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 0.4 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 0.1 0.4 0.6 2.7 4.6 7.2 7.0 6.9 7.6 5.1 3.0 0.5 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 4 2 1 0 0 0 1 1 1 1 4 10 17 19 21 21 19
SNOW DENSITY (%) 25 50 100 0 0 0 100 100 100 100 25 10 5 5 4 4 5
..BALDFACE MOUNTAIN (3547 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC SC SC SC SC OV OV OV OV OV OV OV OV BK BK SC SC
CLOUD COVER (%) 45 40 50 50 45 75 90 95 100 100 95 95 75 55 50 35 30
TEMPERATURE 21 29 33 32 28 29 33 37 41 45 45 42 32 27 23 19 16
MAX/MIN TEMP 33 26 45 16
WIND CHILL 15 27 25 18 19 24 28 32 37 37 34 20 13 7 1 -2
WIND DIR SW SW SW SW S S S S S S S W W W W W W
WIND (MPH) 4 3 6 8 11 11 11 14 20 20 18 17 19 21 24 25 23
WIND GUST (MPH) 37 41 36 35 36 40 43 44 41
PRECIP PROB (%) 0 0 0 0 5 10 30 60 100 100 100 90 60 30 20 5 0
PRECIP TYPE R R R R R R S S S
6 HOUR QPF 0.00 0.00 0.03 0.31 1.13 0.29 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0
6 HOUR ICE 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.3 0.3 0.7 4.9 6.6 7.2 6.6 7.4 6.9 4.3 1.1 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 2 2 1 1 0 1 1 0 0 0 1 3 12 17 18 18 16
SNOW DENSITY (%) 50 50 100 100 0 100 100 0 0 0 100 33 8 5 5 5 6
..MOUNT MOOSILAUKE (4802 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
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 SC SC SC SC OV OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 45 35 35 35 70 75 95 100 100 100 95 90 85 85 90 80 50
TEMPERATURE 19 27 29 29 26 28 32 37 40 41 40 33 23 20 17 14 11
MAX/MIN TEMP 32 26 41 11
WIND CHILL 8 15 16 16 12 15 20 25 28 31 30 21 6 1 -3 -7 -9
WIND DIR SW S S S S S S S S S S W W W W W NW
WIND (MPH) 9 14 19 20 21 20 20 25 31 25 20 21 27 29 31 29 25
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 10 30 60 100 100 90 80 50 20 10 5 0
PRECIP TYPE R R R R R S S S
6 HOUR QPF 0.00 0.00 0.04 0.20 0.96 0.21 0.02 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.4 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 0.4 0.7 1.8 4.5 7.3 7.0 7.1 7.7 4.9 2.9 0.5 0.1 0.0 0.0 0.0
SNOW RATIO (:1) 4 2 2 1 1 1 1 1 1 1 4 10 17 19 21 20 18
SNOW DENSITY (%) 25 50 50 100 100 100 100 100 100 100 25 10 5 5 4 5 5
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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