Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
157
FWUS41 KGYX 212030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT MON SEP 21 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV SC FW FW FW FW FW FW FW CL FW FW FW FW
CLOUD COVER (%) 70 80 85 90 30 20 20 20 10 10 10 10 0 10 15 10 10
TEMPERATURE 30 30 30 32 30 33 38 37 31 30 29 30 30 33 38 37 31
MIN/MAX TEMP 29 38 28 39
WIND CHILL 15 15 18 22 20 26 32 28 20 17 15 16 17 20 28 27 20
WIND DIR N N N N N NE NE NE E E E E E E E E E
WIND (MPH) 31 27 17 13 11 8 9 14 17 20 24 24 23 24 18 17 16
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) 4.8 4.9 4.7 4.4 4.3 4.6 5.3 5.5 5.1 4.7 4.6 4.5 4.3 4.6 5.1 5.4 5.0
SNOW RATIO (:1) 0 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 1
SNOW DENSITY (%) 0 100 100 50 50 50 50 50 50 50 50 50 50 50 50 50 100
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV FW FW SC SC FW FW FW CL CL FW FW FW FW
CLOUD COVER (%) 65 70 75 85 25 15 35 25 10 10 10 5 0 10 10 10 10
TEMPERATURE 41 38 36 37 38 46 52 51 41 38 35 34 37 47 52 52 40
MIN/MAX TEMP 36 53 34 53
WIND CHILL 35 32 30 32 28 27 31
WIND DIR N NE SE E NE N N NE E E E E E E E E E
WIND (MPH) 10 8 6 5 5 3 4 5 6 8 8 8 8 5 5 5 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) 4.8 4.9 5.0 4.9 4.7 4.8 5.5 5.9 5.4 4.8 4.5 4.4 4.3 4.7 5.4 5.7 5.0
SNOW RATIO (:1) 0 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1
SNOW DENSITY (%) 0 100 100 100 100 50 100 100 100 100 100 100 100 100 100 50 100
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV SC FW FW FW FW FW FW CL CL FW FW FW FW
CLOUD COVER (%) 60 70 75 85 30 10 20 15 10 10 5 5 0 10 10 10 10
TEMPERATURE 41 39 38 38 37 48 52 52 42 40 38 37 39 48 52 51 41
MIN/MAX TEMP 36 53 36 52
WIND CHILL 34 32 32 31 33
WIND DIR N N N N N NE NE NE NE E E E E E E E NE
WIND (MPH) 11 10 6 5 5 4 5 6 6 8 8 8 9 10 9 8 5
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) 4.8 4.9 4.6 4.4 4.3 4.6 5.3 5.5 5.1 4.7 4.7 4.5 4.4 4.6 5.0 5.4 5.0
SNOW RATIO (:1) 0 1 1 1 2 2 1 1 2 2 2 1 1 2 1 2 1
SNOW DENSITY (%) 0 100 100 100 50 50 100 100 50 50 50 100 100 50 100 50 100
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV SC FW FW FW FW FW FW FW CL FW FW FW FW
CLOUD COVER (%) 60 75 80 85 35 10 25 20 5 10 10 5 5 10 15 10 10
TEMPERATURE 43 39 37 37 38 50 56 55 44 40 37 36 39 50 56 54 43
MIN/MAX TEMP 35 56 36 56
WIND CHILL
WIND DIR N N SE E E N N NE E E E E E E E E E
WIND (MPH) 8 4 3 3 2 2 4 5 4 4 5 5 5 8 8 6 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) 4.8 4.9 4.8 4.6 4.5 4.7 5.5 5.7 5.2 4.7 4.5 4.4 4.3 4.5 5.2 5.5 5.0
SNOW RATIO (:1) 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
SNOW DENSITY (%) 0 0 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER SC OV OV OV SC FW SC FW FW FW FW CL CL FW FW FW FW
CLOUD COVER (%) 50 70 75 85 35 10 30 20 20 10 25 5 0 10 15 5 10
TEMPERATURE 43 41 40 39 40 51 56 54 44 41 39 37 41 51 55 53 42
MIN/MAX TEMP 38 56 37 55
WIND CHILL
WIND DIR N NE E NE NE E E E E NE NE NE NE E E E NE
WIND (MPH) 6 6 4 4 4 3 3 4 4 5 6 6 6 9 6 5 4
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) 5.2 5.4 5.0 4.7 4.5 4.6 5.5 5.8 5.1 4.7 4.6 4.4 4.3 4.5 4.9 5.4 5.0
SNOW RATIO (:1) 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
SNOW DENSITY (%) 0 0 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100
...MOUNT OSCEOLA (4340 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV SC FW SC FW FW FW FW CL CL FW FW FW FW
CLOUD COVER (%) 50 75 75 85 35 10 40 25 20 10 20 5 0 10 10 5 10
TEMPERATURE 41 40 39 38 39 46 51 50 42 39 38 37 39 46 50 49 40
MIN/MAX TEMP 37 51 36 50
WIND CHILL 33 32 32 32 32 30 29 32
WIND DIR N NE E E E NE E E E NE NE NE E E E E NE
WIND (MPH) 14 14 10 8 6 3 3 5 8 11 13 12 11 10 8 8 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) 5.3 5.4 5.2 4.9 4.6 4.7 5.7 5.9 5.2 4.7 4.5 4.4 4.3 4.5 5.0 5.4 5.0
SNOW RATIO (:1) 0 1 1 1 1 2 2 1 1 1 1 1 1 1 2 2 1
SNOW DENSITY (%) 0 100 100 100 100 50 50 100 100 100 100 100 100 100 50 50 100
...CANNON MOUNTAIN (4080 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK BK OV OV FW FW SC FW FW FW FW CL CL FW FW FW FW
CLOUD COVER (%) 55 70 75 85 25 15 35 25 10 10 10 5 0 10 10 10 10
TEMPERATURE 41 39 38 38 39 45 51 51 42 39 36 36 38 46 52 51 41
MIN/MAX TEMP 37 52 35 53
WIND CHILL 33 32 32 36 32 29 29 32
WIND DIR N NE E E NE N N NE E E E E E E E E E
WIND (MPH) 13 11 9 6 5 3 4 4 9 10 10 9 9 5 5 5 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) 4.7 4.9 5.0 5.0 4.8 4.8 5.5 5.9 5.5 4.9 4.5 4.4 4.3 4.6 5.5 5.8 5.0
SNOW RATIO (:1) 0 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1
SNOW DENSITY (%) 0 100 100 100 100 50 100 100 100 100 100 100 100 100 100 50 100
...BALDFACE MOUNTAIN (3547 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK BK OV OV SC FW FW FW FW FW FW FW FW FW FW FW FW
CLOUD COVER (%) 65 65 75 80 40 15 25 15 15 10 10 10 5 10 15 10 10
TEMPERATURE 46 44 42 40 41 50 56 55 46 45 42 40 43 51 55 55 45
MIN/MAX TEMP 40 56 40 56
WIND CHILL 38
WIND DIR N N NE NE NE NE NE NE NE N N N N E E E N
WIND (MPH) 9 10 6 4 4 3 4 4 3 5 6 5 5 6 5 4 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) 4.8 5.0 4.5 4.2 4.0 4.2 4.8 5.1 5.0 4.7 4.6 4.5 4.4 4.4 4.8 5.2 4.9
SNOW RATIO (:1) 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
SNOW DENSITY (%) 0 0 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100
...MOUNT MOOSILAUKE (4802 FT)...
DATE TUESDAY 09/22/26 WEDNESDAY 09/23/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV SC FW SC SC SC FW FW CL CL FW FW FW FW
CLOUD COVER (%) 55 75 85 85 30 25 45 40 45 15 15 5 0 10 10 10 10
TEMPERATURE 40 39 37 38 38 46 51 50 42 39 36 35 38 47 51 50 40
MIN/MAX TEMP 37 51 35 52
WIND CHILL 33 32 30 29
WIND DIR N N E E E N N NE E E E E E E E E E
WIND (MPH) 12 11 6 4 3 2 2 3 5 6 8 6 6 4 4 4 5
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) 4.9 5.3 5.3 5.2 4.8 4.8 5.7 6.1 5.7 4.9 4.5 4.4 4.3 4.6 5.2 5.7 5.2
SNOW RATIO (:1) 0 1 1 1 1 1 2 1 1 1 1 1 1 1 2 2 1
SNOW DENSITY (%) 0 100 100 100 100 100 50 100 100 100 100 100 100 100 50 50 100
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN