Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
221
FWUS41 KGYX 182130
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EST TUE NOV 18 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 BK BK BK BK SC SC SC FW FW FW SC SC BK BK BK SC SC
CLOUD COVER (%) 55 55 55 55 45 30 25 25 25 15 30 45 60 55 55 50 50
TEMPERATURE 12 13 12 12 11 15 17 15 15 15 16 16 16 20 22 20 20
MIN/MAX TEMP 10 18 12 22
WIND CHILL -14 -11 -12 -11 -12 -4 0 -2 -3 -2 0 1 0 5 8 5 5
WIND DIR W W W W W NW NW NW NW NW NW NW W W W W SW
WIND (MPH) 50 42 37 34 32 24 19 19 23 19 18 16 17 17 16 17 17
WIND GUST (MPH)
PRECIP PROB (%) 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE 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 0.1 0.3 0.1 0.2 0.3 0.3 0.3 0.3 0.5 1.1 0.8 0.6
SNOW RATIO (:1) 13 14 14 13 13 14 13 13 12 12 11 10 9 8 6 6 5
SNOW DENSITY (%) 7 7 7 7 7 7 7 7 8 8 9 10 11 12 16 16 20
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 BK BK BK BK SC SC SC SC SC FW SC BK BK BK BK SC SC
CLOUD COVER (%) 60 65 65 65 50 30 30 25 25 20 35 55 65 60 60 45 50
TEMPERATURE 20 19 19 18 17 21 24 22 20 18 17 18 19 26 29 26 22
MIN/MAX TEMP 17 26 17 30
WIND CHILL 5 6 6 5 4 10 14 12 9 8 8 10 11 18 22 18 12
WIND DIR NW NW NW NW NW NW NW NW NW N N N W SW SW SW SW
WIND (MPH) 17 13 13 11 11 10 9 9 9 8 6 5 5 8 6 6 9
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.2 0.1 0.1 0.4 0.9 0.8 0.5
SNOW RATIO (:1) 13 13 13 12 12 12 12 12 11 11 10 10 7 6 5 5 4
SNOW DENSITY (%) 7 7 7 8 8 8 8 8 9 9 10 10 14 16 20 20 25
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 SC FW FW FW FW SC SC BK BK BK SC SC
CLOUD COVER (%) 50 50 45 50 40 25 25 20 20 15 25 45 60 55 55 50 50
TEMPERATURE 20 20 19 19 17 24 27 24 20 18 18 19 18 26 31 28 23
MIN/MAX TEMP 17 27 17 31
WIND CHILL 4 5 5 6 4 14 18 15 9 8 9 10 8 18 24 20 14
WIND DIR NW NW W NW NW NW NW NW NW NW NW NW W SW SW SW SW
WIND (MPH) 19 17 14 13 11 10 9 8 9 8 6 6 8 8 6 8 8
WIND GUST (MPH)
PRECIP PROB (%) 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE 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 0.2 0.5 0.2 0.3 0.2 0.3 0.2 0.2 0.5 1.1 0.8 0.5
SNOW RATIO (:1) 12 12 11 11 12 12 12 12 11 11 10 10 8 7 6 5 4
SNOW DENSITY (%) 8 8 9 9 8 8 8 8 9 9 10 10 12 14 16 20 25
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 BK BK BK BK SC SC SC FW FW FW SC SC BK BK BK SC SC
CLOUD COVER (%) 60 55 55 60 45 30 30 25 25 15 30 50 65 60 55 50 50
TEMPERATURE 23 23 21 20 19 25 28 27 22 20 19 19 20 29 34 31 25
MIN/MAX TEMP 19 29 19 34
WIND CHILL 10 11 11 9 9 16 20 20 15 13 12
WIND DIR NW NW NW N NW NW NW NW N NW NW N N S S S S
WIND (MPH) 14 12 9 9 8 8 8 5 5 4 4 3 2 2 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.1 0.4 1.0 0.8 0.6
SNOW RATIO (:1) 14 14 13 12 12 13 12 12 11 11 10 10 8 6 5 5 4
SNOW DENSITY (%) 7 7 7 8 8 7 8 8 9 9 10 10 12 16 20 20 25
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 SC SC FW FW FW FW FW SC SC BK BK BK SC SC
CLOUD COVER (%) 30 35 30 40 25 15 15 10 20 15 25 50 60 60 55 45 45
TEMPERATURE 22 21 20 19 18 27 29 27 22 20 19 20 20 29 32 29 24
MIN/MAX TEMP 18 30 19 32
WIND CHILL 10 10 10 9 8 20 22 20 14 12 11 13 13
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW W SW SW SW SW
WIND (MPH) 11 10 8 8 8 6 6 5 6 5 5 4 4 4 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.2 0.0 0.0 0.0 0.2 0.1 0.1 0.3 1.0 0.8 0.5
SNOW RATIO (:1) 13 13 12 11 11 12 11 11 10 10 9 9 7 6 5 4 4
SNOW DENSITY (%) 7 7 8 9 9 8 9 9 10 10 11 11 14 16 20 25 25
...MOUNT OSCEOLA (4340 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 SC SC FW FW FW FW FW SC SC BK BK BK SC SC
CLOUD COVER (%) 30 35 30 40 25 15 15 10 20 15 25 50 60 60 60 45 45
TEMPERATURE 20 20 18 18 17 23 25 23 20 18 19 19 20 26 28 26 22
MIN/MAX TEMP 17 26 18 29
WIND CHILL 4 5 3 4 4 13 16 15 8 7 8 10 10 18 21 18 14
WIND DIR NW NW NW NW NW NW NW NW NW N N N W SW SW W SW
WIND (MPH) 21 18 16 14 12 9 8 6 11 9 9 6 8 8 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.2 0.0 0.0 0.0 0.1 0.1 0.1 0.3 1.0 0.8 0.5
SNOW RATIO (:1) 14 13 13 12 12 12 12 12 11 10 9 9 7 6 5 4 4
SNOW DENSITY (%) 7 7 7 8 8 8 8 8 9 10 11 11 14 16 20 25 25
...CANNON MOUNTAIN (4080 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 BK BK BK BK SC SC SC SC SC FW SC BK BK BK BK SC SC
CLOUD COVER (%) 60 65 65 65 45 30 30 25 25 20 35 55 65 60 60 45 50
TEMPERATURE 20 21 20 19 18 20 24 23 20 18 18 19 20 24 29 27 23
MIN/MAX TEMP 18 28 18 32
WIND CHILL 5 8 8 7 7 10 15 15 10 8 9 11 12 15 21 19 14
WIND DIR NW NW NW NW NW NW NW NW N N N NE W SW SW SW SW
WIND (MPH) 17 13 11 10 9 8 8 6 8 8 6 5 5 8 8 8 8
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.1 0.1 0.1 0.3 0.8 0.7 0.5
SNOW RATIO (:1) 14 13 13 13 13 12 12 12 11 11 10 10 7 6 5 5 4
SNOW DENSITY (%) 7 7 7 7 7 8 8 8 9 9 10 10 14 16 20 20 25
...BALDFACE MOUNTAIN (3547 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 FW SC FW FW FW FW FW FW FW SC BK BK SC SC SC
CLOUD COVER (%) 25 25 25 30 25 15 15 15 15 10 20 40 55 50 50 50 45
TEMPERATURE 25 25 23 22 20 28 32 30 25 23 23 23 22 29 34 32 26
MIN/MAX TEMP 20 33 22 34
WIND CHILL 15 16 15 15 12 18 16 17
WIND DIR NW W NW NW W W NW W W NW NW NW NW S S S S
WIND (MPH) 10 9 6 5 5 4 4 3 5 5 4 3 2 2 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.7 0.7 0.4
SNOW RATIO (:1) 11 10 10 12 12 12 11 11 10 10 9 9 7 6 5 5 4
SNOW DENSITY (%) 9 10 10 8 8 8 9 9 10 10 11 11 14 16 20 20 25
...MOUNT MOOSILAUKE (4802 FT)...
DATE WEDNESDAY 11/19/25 THURSDAY 11/20/25
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 SC SC FW FW FW FW FW SC BK BK BK BK SC SC
CLOUD COVER (%) 35 45 40 45 30 20 20 20 20 20 30 55 70 60 60 45 45
TEMPERATURE 20 20 19 19 17 21 24 22 20 18 18 19 20 24 27 25 23
MIN/MAX TEMP 17 25 18 27
WIND CHILL 7 8 7 8 7 12 16 14 10 9 9 11 13 16 20 17 14
WIND DIR NW NW NW NW NW N NW N N N N N W SW SW SW SW
WIND (MPH) 13 11 10 9 8 6 6 6 8 6 6 5 4 6 6 6 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
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 0.1 0.1 0.1 0.3 0.7 0.6 0.4
SNOW RATIO (:1) 14 13 13 12 12 12 12 11 11 10 10 8 7 6 5 4 4
SNOW DENSITY (%) 7 7 7 8 8 8 8 9 9 10 10 12 14 16 20 25 25
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN