Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
435
FWUS41 KGYX 202130
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EST THU NOV 20 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC FW OV OV BK OV OV OV OV OV BK SC SC
CLOUD COVER (%) 40 25 35 65 35 20 80 70 70 75 80 85 80 70 55 40 50
TEMPERATURE 21 20 19 18 19 23 23 24 23 22 20 16 15 15 14 12 10
MIN/MAX TEMP 16 24 14 16
WIND CHILL 8 7 3 0 1 5 3 3 1 -1 -3 -8 -7 -7 -8 -12 -17
WIND DIR W SW SW SW SW W W W W W W W NW NW NW NW NW
WIND (MPH) 13 13 19 24 27 33 41 48 55 57 52 49 36 35 35 40 50
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 30 40 40 30 20 10 10 10 10 5 5
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.09 0.10 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.9 1.2 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) 0.8 0.7 0.6 0.6 0.5 1.5 2.3 2.9 3.0 2.5 1.7 0.8 0.2 0.1 0.2 0.1 0.1
SNOW RATIO (:1) 4 4 4 4 5 5 9 10 11 12 12 13 14 15 16 16 15
SNOW DENSITY (%) 25 25 25 25 20 20 11 10 9 8 8 7 7 6 6 6 6
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC FW OV OV OV OV OV OV OV OV BK SC BK
CLOUD COVER (%) 35 20 35 65 35 25 85 75 75 75 80 90 85 75 65 45 50
TEMPERATURE 22 22 22 22 22 29 31 32 31 31 29 25 25 24 24 22 20
MIN/MAX TEMP 21 33 22 26
WIND CHILL 14 13 11 10 9 17 18 19 16 16 14 10 14 12 12 9 6
WIND DIR W SW SW SW SW SW W W W W W W NW NW NW NW NW
WIND (MPH) 6 8 10 12 14 17 21 25 29 29 26 24 11 12 13 13 14
WIND GUST (MPH) 48 47
PRECIP PROB (%) 0 0 0 0 0 5 20 30 30 20 20 10 10 10 5 5 5
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.03 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 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 0.4 0.4 0.3 0.4 1.2 2.0 2.8 2.9 2.5 1.7 0.8 0.2 0.1 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 5 4 7 6 8 10 12 13 14 15 16 15 15
SNOW DENSITY (%) 33 33 33 33 20 25 14 16 12 10 8 7 7 6 6 6 6
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC FW OV BK BK OV OV OV OV BK BK SC SC
CLOUD COVER (%) 40 25 30 60 35 20 75 70 65 70 80 85 80 70 55 35 45
TEMPERATURE 23 24 23 23 22 30 33 33 31 32 30 26 25 25 25 22 20
MIN/MAX TEMP 22 33 23 26
WIND CHILL 15 16 13 12 9 18 21 21 17 18 16 11 13 13 13 8 4
WIND DIR W SW SW SW SW SW W W W W W W NW NW NW NW NW
WIND (MPH) 6 6 9 11 13 17 20 23 27 27 25 24 13 13 14 16 19
WIND GUST (MPH) 44
PRECIP PROB (%) 0 0 0 0 0 5 30 30 30 30 20 10 10 10 10 5 5
PRECIP TYPE R S S S S
6 HOUR QPF 0.00 0.00 0.00 0.06 0.12 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.3 1.1 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 0.6 0.5 0.5 0.4 1.4 2.2 2.8 3.0 2.5 1.7 0.9 0.2 0.1 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 4 4 7 7 9 10 11 13 14 15 15 15 15
SNOW DENSITY (%) 33 33 33 33 25 25 14 14 11 10 9 7 7 6 6 6 6
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC FW OV OV OV OV OV OV OV OV BK SC SC
CLOUD COVER (%) 40 25 35 65 35 20 80 70 70 75 80 85 80 70 60 40 50
TEMPERATURE 25 24 23 23 24 32 36 35 34 34 32 29 28 27 28 25 23
MIN/MAX TEMP 23 36 27 29
WIND CHILL 17 18 26 29 28 26 26 24 20 19 16 17 13 10
WIND DIR S S S S S S SW SW W W W NW NW NW NW NW NW
WIND (MPH) 2 2 3 4 4 5 9 9 10 10 10 10 10 12 13 13 16
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 20 30 30 30 20 10 10 10 10 5 5
PRECIP TYPE S R S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.04 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.1 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 0.3 0.4 0.3 0.2 1.3 2.1 2.9 2.9 2.5 1.7 0.8 0.2 0.1 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 4 4 6 5 6 8 11 13 13 14 15 15 14
SNOW DENSITY (%) 33 33 33 33 25 25 16 20 16 12 9 7 7 7 6 6 7
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC FW OV BK OV OV OV OV OV BK SC SC SC
CLOUD COVER (%) 35 20 30 60 25 20 75 65 70 70 75 80 75 60 50 30 35
TEMPERATURE 24 24 23 22 22 31 33 34 32 32 30 28 27 28 29 25 23
MIN/MAX TEMP 22 34 27 29
WIND CHILL 18 18 15 14 13 23 24 25 22 22 19 17 18 19 20 14 11
WIND DIR W SW SW SW SW SW W W W W W W NW NW NW NW NW
WIND (MPH) 4 4 6 6 8 9 12 12 14 14 14 13 9 10 10 11 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 20 20 20 20 20 10 10 10 10 5 5
PRECIP TYPE R R 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) 0.3 0.3 0.2 0.2 0.2 1.1 1.8 2.6 2.9 2.6 1.8 0.9 0.3 0.2 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 4 4 6 5 6 8 9 12 13 14 14 14 14
SNOW DENSITY (%) 33 33 33 33 25 25 16 20 16 12 11 8 7 7 7 7 7
...MOUNT OSCEOLA (4340 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC FW OV BK OV OV OV OV OV BK BK SC SC
CLOUD COVER (%) 35 20 30 60 25 20 75 70 75 75 75 80 75 60 50 30 35
TEMPERATURE 22 22 21 21 21 27 29 30 30 31 29 25 25 24 24 22 20
MIN/MAX TEMP 21 31 23 25
WIND CHILL 14 14 10 9 9 15 16 17 16 17 15 10 13 12 12 8 3
WIND DIR W SW SW SW SW SW W W W W W W NW NW NW NW NW
WIND (MPH) 6 6 10 11 12 14 19 20 25 25 25 23 14 13 13 17 24
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 20 20 20 20 20 10 10 10 5 5 5
PRECIP TYPE 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) 0.2 0.3 0.2 0.2 0.2 0.9 1.7 2.6 2.9 2.6 1.8 0.9 0.4 0.2 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 4 4 7 6 7 9 10 12 13 14 14 15 14
SNOW DENSITY (%) 33 33 33 33 25 25 14 16 14 11 10 8 7 7 7 6 7
...CANNON MOUNTAIN (4080 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC SC OV OV OV OV OV OV OV OV BK SC BK
CLOUD COVER (%) 35 20 35 65 35 25 85 75 75 75 80 85 85 75 65 45 50
TEMPERATURE 23 23 24 23 23 28 30 32 32 32 29 24 25 24 24 22 20
MIN/MAX TEMP 22 34 21 27
WIND CHILL 15 14 14 11 11 16 17 19 18 18 15 9 13 12 12 8 4
WIND DIR W SW SW SW SW SW W W W W W W NW NW NW NW NW
WIND (MPH) 6 8 10 13 13 17 21 24 27 27 25 23 13 12 13 16 19
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 20 20 30 20 20 10 10 10 5 5 5
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.1 0.1 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) 0.4 0.3 0.2 0.2 0.3 1.1 1.9 2.9 2.9 2.5 1.7 0.8 0.2 0.1 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 5 4 7 6 8 10 12 13 14 15 16 15 15
SNOW DENSITY (%) 33 33 33 33 20 25 14 16 12 10 8 7 7 6 6 6 6
...BALDFACE MOUNTAIN (3547 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC SC SC BK SC FW BK BK SC BK BK OV OV BK SC SC SC
CLOUD COVER (%) 40 30 30 55 35 20 70 55 50 60 70 80 75 55 40 30 35
TEMPERATURE 25 27 25 25 24 31 36 35 34 34 32 30 29 31 31 28 25
MIN/MAX TEMP 24 36 29 32
WIND CHILL 28 26 23 21 23 22 19 14
WIND DIR S SW SW SW SW S SW SW W W W W NW NW NW NW NW
WIND (MPH) 2 2 2 2 3 4 5 5 5 6 6 6 8 9 10 10 11
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 20 20 20 20 20 10 10 10 10 5 5
PRECIP TYPE R S R 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) 0.3 0.2 0.1 0.1 0.1 0.5 1.7 2.4 2.8 2.5 1.8 0.9 0.3 0.2 0.2 0.1 0.0
SNOW RATIO (:1) 3 3 3 3 4 3 5 4 5 6 8 10 12 14 14 14 14
SNOW DENSITY (%) 33 33 33 33 25 33 20 25 20 16 12 10 8 7 7 7 7
...MOUNT MOOSILAUKE (4802 FT)...
DATE FRIDAY 11/21/25 SATURDAY 11/22/25
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 SC FW SC BK SC SC OV OV BK BK OV OV OV OV BK SC SC
CLOUD COVER (%) 30 15 35 55 30 30 80 70 65 70 75 80 80 70 60 40 40
TEMPERATURE 22 22 22 22 22 27 29 30 30 30 28 25 24 23 24 21 20
MIN/MAX TEMP 22 31 23 24
WIND CHILL 15 14 12 10 10 15 17 17 17 16 14 11 13 12 13 9 5
WIND DIR W SW SW SW SW SW SW W W W W W NW NW NW NW NW
WIND (MPH) 5 6 9 11 12 14 18 20 23 24 23 20 11 11 11 12 17
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 5 20 20 20 10 10 10 10 5 5 5 5
PRECIP TYPE 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) 0.4 0.3 0.2 0.1 0.3 1.2 2.0 2.8 2.9 2.6 1.8 0.9 0.3 0.2 0.2 0.1 0.1
SNOW RATIO (:1) 3 3 3 3 5 4 7 6 8 9 11 13 14 15 15 15 15
SNOW DENSITY (%) 33 33 33 33 20 25 14 16 12 11 9 7 7 6 6 6 6
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN