Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
945
FWUS41 KGYX 200930
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EST THU NOV 20 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC BK BK BK OV OV OV OV OV OV
CLOUD COVER (%) 55 25 25 30 40 30 30 50 50 50 70 75 75 75 80 85 75
TEMPERATURE 11 19 22 20 19 20 20 17 18 22 24 23 23 23 22 18 16
MAX/MIN TEMP 25 15 26 13
WIND CHILL -5 9 14 10 7 7 5 0 1 6 7 5 3 3 1 -5 -8
WIND DIR W W W SW SW SW SW SW SW S SW W W W W NW NW
WIND (MPH) 13 8 6 8 11 12 17 19 20 21 27 32 39 43 46 47 47
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 30 30 30 40 40 30 20 20
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.13 0.01
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.1 1.3 0.1
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.3 0.6 1.2 1.1 0.8 0.7 0.9 0.8 0.8 1.5 2.5 2.9 3.6 2.8 2.0 0.8 0.3
SNOW RATIO (:1) 10 8 7 5 4 4 4 4 5 5 6 7 9 10 12 13 14
SNOW DENSITY (%) 10 12 14 20 25 25 25 25 20 20 16 14 11 10 8 7 7
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC SC SC OV OV OV OV OV OV OV
CLOUD COVER (%) 60 35 25 35 35 25 35 50 45 45 75 75 80 80 85 85 80
TEMPERATURE 15 23 29 26 23 22 22 22 23 29 31 30 31 31 30 28 25
MAX/MIN TEMP 31 21 32 23
WIND CHILL 8 17 16 14 13 12 12 19 21 19 19 19 18 15 11
WIND DIR SW SW SW SW S S S SW SW S SW SW SW W W NW NW
WIND (MPH) 4 4 3 3 5 6 8 9 10 11 13 16 18 19 18 18 18
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 30 30 30 30 30 20 10
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.01
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.1
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 0.7 0.7 0.4 0.4 0.6 0.4 0.6 1.5 2.3 3.4 3.6 2.8 1.9 0.8 0.2
SNOW RATIO (:1) 9 7 5 4 3 3 3 3 4 4 5 6 7 9 11 13 14
SNOW DENSITY (%) 11 14 20 25 33 33 33 33 25 25 20 16 14 11 9 7 7
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC BK BK BK OV OV OV OV OV OV
CLOUD COVER (%) 55 30 30 30 40 30 30 50 50 50 65 70 70 75 80 80 75
TEMPERATURE 13 24 30 27 24 23 22 22 22 29 33 32 31 32 31 29 25
MAX/MIN TEMP 31 21 34 24
WIND CHILL 4 17 14 14 13 20 25 23 21 21 20 17 12
WIND DIR W SW SW SW SW SW SW SW SW S SW SW SW W W NW NW
WIND (MPH) 5 3 3 2 3 4 6 6 8 9 10 12 13 16 16 17 17
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 30 30 30 40 40 30 20 20
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.13 0.02
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.1 0.8 0.2
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.2 0.4 1.2 1.0 0.7 0.6 0.8 0.7 0.7 1.4 2.4 2.9 3.6 2.9 2.0 0.8 0.3
SNOW RATIO (:1) 10 8 6 4 3 3 3 3 4 4 4 6 7 8 10 12 14
SNOW DENSITY (%) 10 12 16 25 33 33 33 33 25 25 25 16 14 12 10 8 7
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC BK BK BK OV OV OV OV OV OV OV
CLOUD COVER (%) 60 30 25 35 40 30 35 50 50 50 70 75 75 80 85 85 80
TEMPERATURE 13 25 33 30 25 23 23 23 24 32 36 35 34 34 33 30 28
MAX/MIN TEMP 34 23 36 27
WIND CHILL 17 18 26 30 28 27 26 24 19 17
WIND DIR S S W S S SE SE S S S SW W W W W NW NW
WIND (MPH) 2 1 2 2 2 2 3 4 4 5 8 9 9 10 11 13 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 30 30 30 40 40 30 20 20
PRECIP TYPE S S R R S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.01
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.2 1.0 0.9 0.5 0.3 0.6 0.5 0.5 1.5 2.4 3.2 3.6 2.8 2.0 0.8 0.3
SNOW RATIO (:1) 9 7 3 4 3 3 3 3 4 4 2 2 4 4 7 12 14
SNOW DENSITY (%) 11 14 33 25 33 33 33 33 25 25 50 50 25 25 14 8 7
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC SC SC BK OV OV OV OV OV BK
CLOUD COVER (%) 55 40 25 35 35 30 40 50 35 35 65 70 75 75 75 75 65
TEMPERATURE 15 25 32 30 24 23 22 22 22 31 33 32 32 32 31 29 27
MAX/MIN TEMP 33 22 34 27
WIND CHILL 16 16 25 27 26 26 24 22 19 17
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW W W NW NW
WIND (MPH) 2 2 2 2 2 2 3 4 4 5 6 6 6 9 10 11 11
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 20 20 30 30 30 20 10
PRECIP TYPE S R R R R S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 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 0.2 0.7 0.7 0.4 0.4 0.6 0.5 0.4 1.3 2.4 3.3 3.6 2.8 2.0 1.0 0.3
SNOW RATIO (:1) 9 6 5 4 3 3 3 3 3 4 2 5 6 7 9 11 13
SNOW DENSITY (%) 11 16 20 25 33 33 33 33 33 25 50 20 16 14 11 9 7
...MOUNT OSCEOLA (4340 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC SC SC BK OV OV OV OV OV BK
CLOUD COVER (%) 55 40 25 35 35 30 40 50 35 40 65 70 75 75 80 75 65
TEMPERATURE 14 21 28 26 22 22 22 21 21 27 29 29 30 31 30 28 24
MAX/MIN TEMP 29 20 30 23
WIND CHILL 5 16 15 14 12 12 19 20 20 19 20 18 15 10
WIND DIR S SW SW SW SW S S SW SW SW SW SW SW W W NW NW
WIND (MPH) 5 3 3 3 4 5 6 6 6 8 9 10 14 17 18 19 19
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 20 20 30 30 20 20 10
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 0.1 0.6 0.7 0.3 0.4 0.5 0.4 0.4 1.3 2.1 3.3 3.6 2.8 2.0 1.0 0.3
SNOW RATIO (:1) 9 6 4 4 3 3 3 3 4 4 5 5 6 8 10 11 13
SNOW DENSITY (%) 11 16 25 25 33 33 33 33 25 25 20 20 16 12 10 9 7
...CANNON MOUNTAIN (4080 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC SC SC OV OV OV OV OV OV OV
CLOUD COVER (%) 65 35 25 35 35 25 35 50 40 45 75 75 80 80 85 85 80
TEMPERATURE 17 23 28 26 24 23 24 23 24 27 30 31 32 32 31 28 26
MAX/MIN TEMP 32 22 33 22
WIND CHILL 9 17 14 14 12 14 17 20 21 21 21 20 16 13
WIND DIR S S SW S S S S S SW S S SW SW SW W NW NW
WIND (MPH) 5 3 3 3 5 8 9 10 10 10 11 12 16 17 17 17 17
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 20 30 30 30 20 10 10
PRECIP TYPE S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.1 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 0.5 0.6 0.3 0.3 0.4 0.3 0.6 1.4 2.2 3.4 3.6 2.8 1.9 0.8 0.2
SNOW RATIO (:1) 9 7 5 4 3 3 3 3 4 4 5 6 7 8 10 12 14
SNOW DENSITY (%) 11 14 20 25 33 33 33 33 25 25 20 16 14 12 10 8 7
...BALDFACE MOUNTAIN (3547 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC SC SC BK BK BK BK OV OV BK
CLOUD COVER (%) 55 25 25 30 40 35 30 45 45 45 60 60 60 65 75 70 65
TEMPERATURE 17 26 33 32 27 26 25 25 25 31 36 35 32 33 33 31 29
MAX/MIN TEMP 34 25 37 29
WIND CHILL 26 27 26 23 20
WIND DIR SW SW S S SW SW SW SW SW S S S SW W W NW NW
WIND (MPH) 3 1 2 2 2 2 2 2 3 4 5 5 5 6 8 9 10
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 20 30 30 30 30 20 10
PRECIP TYPE S R R R R R 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 0.5 0.6 0.3 0.2 0.2 0.3 0.2 0.9 1.8 3.1 3.6 2.9 2.1 0.9 0.3
SNOW RATIO (:1) 9 8 2 4 3 3 3 3 3 3 0 1 5 3 3 10 12
SNOW DENSITY (%) 11 12 50 25 33 33 33 33 33 33 0 100 20 33 33 10 8
...MOUNT MOOSILAUKE (4802 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
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 SC SC SC SC SC SC OV OV OV OV OV OV OV
CLOUD COVER (%) 65 45 30 35 25 25 35 40 35 45 70 75 75 70 80 80 70
TEMPERATURE 15 21 26 25 23 23 23 23 23 26 28 29 30 30 29 27 24
MAX/MIN TEMP 28 23 30 22
WIND CHILL 6 16 14 12 13 12 17 19 20 19 19 18 15 11
WIND DIR S S SW S S S S S S S S SW SW SW W NW NW
WIND (MPH) 5 3 3 3 5 8 10 9 10 9 9 10 13 14 13 14 14
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 20 20 20 30 20 10 10
PRECIP TYPE S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.1 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 0.5 0.6 0.4 0.4 0.4 0.2 0.5 1.4 2.2 3.5 3.7 2.8 2.0 0.9 0.3
SNOW RATIO (:1) 8 6 4 3 3 3 3 3 4 4 5 5 6 8 10 12 14
SNOW DENSITY (%) 12 16 25 33 33 33 33 33 25 25 20 20 16 12 10 8 7
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN