Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
267
FWUS41 KGYX 190830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT SAT SEP 19 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW CL FW FW FW SC BK OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 10 5 20 20 20 50 70 80 85 95 100 95 100 90 80 70 55
TEMPERATURE 29 35 38 38 33 33 32 32 34 38 36 36 37 38 38 34 32
MAX/MIN TEMP 40 30 40 31
WIND CHILL 13 23 30 30 24 23 20 18 21 27 24 24 26 27 27 21 18
WIND DIR NW N NW W W SW SW SW SW SW SW W W W NW NW NW
WIND (MPH) 33 23 13 12 12 13 20 26 26 23 24 23 24 25 24 27 26
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 90 90 60 30 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.30 0.08 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) 3.4 4.1 5.2 5.8 5.6 5.4 5.1 5.2 5.3 6.5 8.8 9.7 9.6 8.8 8.0 6.1 5.8
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 2 2 1 1 1 2 2 2
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 50 50 100 100 100 50 50 50
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW FW SC FW FW SC BK BK OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 10 10 25 15 15 45 55 70 85 95 95 95 95 90 80 75 65
TEMPERATURE 37 46 51 50 42 40 39 40 43 44 42 42 43 43 43 42 40
MAX/MIN TEMP 52 37 46 38
WIND CHILL 28 31 32 36 38 34 36 37 36 37 35 32
WIND DIR N N NW NW W SW SW SW SW SW S SW SW W NW NW N
WIND (MPH) 14 11 8 8 4 8 12 14 14 12 14 11 11 12 11 13 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 10 90 90 60 40 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.04 0.26 0.03 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) 3.3 3.9 4.8 5.2 5.3 5.1 5.2 5.4 5.5 7.0 9.6 10.2 9.9 9.0 7.9 6.2 5.8
SNOW RATIO (:1) 0 0 1 0 0 0 0 0 0 1 1 1 0 1 1 1 2
SNOW DENSITY (%) 0 0 100 0 0 0 0 0 0 100 100 100 0 100 100 100 50
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW CL FW FW FW SC BK BK OV OV OV OV OV OV OV BK SC
CLOUD COVER (%) 10 5 15 15 15 45 65 65 80 90 95 95 95 85 75 60 45
TEMPERATURE 38 48 53 53 44 43 40 40 43 44 42 42 42 43 44 42 41
MAX/MIN TEMP 54 38 46 39
WIND CHILL 29 33 32 36 38 35 36 36 37 38 35 33
WIND DIR N N NW W W SW SW SW SW SW SW SW W W NW NW NW
WIND (MPH) 16 11 6 5 4 8 10 13 13 12 13 11 11 11 11 13 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 90 80 60 30 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.03 0.30 0.07 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) 3.4 4.1 5.3 5.9 5.6 5.5 5.1 5.2 5.3 6.4 8.9 9.8 9.7 8.9 8.0 6.2 5.8
SNOW RATIO (:1) 0 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 2
SNOW DENSITY (%) 0 100 100 0 0 0 0 0 0 100 100 100 100 100 100 100 50
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW CL FW FW FW SC BK OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 15 5 20 15 10 40 60 75 85 95 95 95 95 90 80 70 60
TEMPERATURE 39 50 56 56 46 43 41 42 44 49 47 46 45 45 46 43 42
MAX/MIN TEMP 57 39 51 40
WIND CHILL 37 36
WIND DIR N NW NW NW SE SE S S S SE SE SE SE N N NW NW
WIND (MPH) 5 4 4 3 1 3 4 5 9 11 10 5 3 2 5 10 10
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 90 90 60 40 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.29 0.03 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) 3.3 4.0 5.0 5.5 5.6 5.3 5.1 5.2 5.3 6.5 9.4 9.9 9.7 8.9 7.9 6.2 5.8
SNOW RATIO (:1) 0 1 0 0 0 0 0 0 0 1 1 1 0 1 1 1 1
SNOW DENSITY (%) 0 100 0 0 0 0 0 0 0 100 100 100 0 100 100 100 100
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW CL SC FW FW SC BK BK OV OV OV OV OV OV BK BK SC
CLOUD COVER (%) 10 5 35 15 10 35 65 65 80 90 95 95 95 85 70 50 40
TEMPERATURE 39 52 57 56 45 43 41 41 43 47 46 45 44 45 46 42 42
MAX/MIN TEMP 57 39 49 40
WIND CHILL 33
WIND DIR N N NW W SW SW SW SW SW S S SW SW W NW NW N
WIND (MPH) 8 5 3 3 4 5 6 6 6 8 8 6 4 4 6 8 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 100 90 70 40 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.37 0.06 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) 3.5 4.1 5.3 5.8 5.5 5.3 5.2 5.2 5.4 6.9 9.5 10.4 10.3 9.4 8.2 6.4 5.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 100 100 100 0 0 100 100 100
...MOUNT OSCEOLA (4340 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW CL SC FW FW SC BK BK OV OV OV OV OV OV OV BK SC
CLOUD COVER (%) 10 5 30 15 15 35 60 65 80 90 95 95 95 85 70 55 45
TEMPERATURE 37 48 52 51 43 42 40 40 42 43 41 41 43 44 43 42 41
MAX/MIN TEMP 52 38 45 39
WIND CHILL 28 33 33 36 37 34 35 37 35 34
WIND DIR NW N NW W W SW SW SW SW SW SW SW W W NW NW NW
WIND (MPH) 13 10 5 6 6 8 10 11 11 11 11 9 8 9 10 13 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 100 90 60 40 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.33 0.05 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) 3.5 4.1 5.2 5.6 5.5 5.2 5.2 5.3 5.4 7.0 9.6 10.4 10.3 9.4 8.3 6.3 5.9
SNOW RATIO (:1) 0 1 1 0 0 0 0 0 1 1 1 1 0 1 1 1 1
SNOW DENSITY (%) 0 100 100 0 0 0 0 0 100 100 100 100 0 100 100 100 100
...CANNON MOUNTAIN (4080 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER FW FW SC FW FW SC BK BK OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 15 10 30 10 15 45 55 60 80 95 95 95 95 90 80 70 65
TEMPERATURE 38 44 51 51 43 41 41 41 44 44 41 42 44 45 44 43 41
MAX/MIN TEMP 53 39 46 40
WIND CHILL 29 38 34 33 38 38 33 36 38 39 38 36 33
WIND DIR N N NW NW W SW SW SW SW SW S SW W W NW NW N
WIND (MPH) 16 11 8 8 4 6 11 13 12 12 13 10 10 11 11 13 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 10 90 80 60 40 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.04 0.25 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) 3.3 3.8 4.7 5.1 5.2 5.0 5.2 5.4 5.6 7.1 9.6 10.2 10.0 9.0 8.0 6.2 5.8
SNOW RATIO (:1) 0 0 1 0 0 0 0 0 0 1 1 1 0 1 1 1 2
SNOW DENSITY (%) 0 0 100 0 0 0 0 0 0 100 100 100 0 100 100 100 50
...BALDFACE MOUNTAIN (3547 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER CL CL FW FW FW SC BK BK OV OV OV OV OV OV OV SC SC
CLOUD COVER (%) 5 5 15 20 20 45 65 70 85 90 95 95 95 85 70 45 30
TEMPERATURE 42 52 57 56 48 46 43 44 45 50 49 47 46 47 48 45 44
MAX/MIN TEMP 57 41 52 42
WIND CHILL 38
WIND DIR N N NW SW SW S SW SW S S S SE E N N NW NW
WIND (MPH) 6 2 2 2 1 1 2 3 4 6 5 3 3 3 6 10 11
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 90 80 60 40 20 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.01 0.27 0.05 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) 3.4 3.8 4.8 5.7 5.6 5.5 5.2 5.1 5.1 5.9 8.1 9.6 9.8 9.0 8.3 6.4 5.9
SNOW RATIO (:1) 0 1 0 0 0 0 0 0 0 1 1 1 0 1 1 1 1
SNOW DENSITY (%) 0 100 0 0 0 0 0 0 0 100 100 100 0 100 100 100 100
...MOUNT MOOSILAUKE (4802 FT)...
DATE SATURDAY 09/19/26 SUNDAY 09/20/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER SC FW FW FW FW SC SC BK OV OV OV OV OV OV OV BK BK
CLOUD COVER (%) 35 10 25 10 10 35 50 60 80 95 95 95 100 90 80 70 60
TEMPERATURE 38 45 50 50 42 41 41 41 43 44 42 42 43 44 44 42 40
MAX/MIN TEMP 51 39 46 39
WIND CHILL 30 35 34 36 38 35 36 35 33
WIND DIR N N NW NW W SW S SW SW S S SW SW W NW NW N
WIND (MPH) 13 10 8 8 4 6 10 12 12 11 12 9 8 8 9 12 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 20 100 90 60 40 20 0 0
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.07 0.29 0.09 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) 3.4 3.8 4.8 5.3 5.1 5.1 5.4 5.6 5.7 7.7 9.8 10.5 10.2 9.3 8.1 6.2 5.8
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 100 100 0 0 100 100 100 100
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN