Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
456
FWUS41 KGYX 162030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT WED SEP 16 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK BK OV OV OV OV OV BK BK SC SC FW FW SC
CLOUD COVER (%) 75 65 65 65 60 85 90 85 80 85 60 55 40 45 25 15 40
TEMPERATURE 51 49 47 45 46 49 49 49 50 51 50 44 41 40 42 37 36
MIN/MAX TEMP 44 51 38 44
WIND CHILL 39 37 38 32 27 25 27 20 19
WIND DIR NW W W W W SW W W W W NW NW NW NW NW NW NW
WIND (MPH) 28 26 21 21 19 17 20 23 24 28 34 40 49 59 64 59 60
WIND GUST (MPH) 81
PRECIP PROB (%) 5 0 0 0 0 5 5 30 50 50 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.03 0.10 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) 9.4 9.1 8.8 8.7 9.7 11.0 12.0 12.3 12.2 11.7 11.1 9.9 8.3 7.3 6.4 6.3 5.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 50 50 50
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK BK OV OV OV OV OV BK SC SC BK FW FW SC
CLOUD COVER (%) 70 65 65 65 70 75 80 85 85 80 60 45 45 50 25 15 30
TEMPERATURE 59 56 55 53 55 59 60 59 57 57 56 52 50 52 54 51 46
MIN/MAX TEMP 53 63 50 56
WIND CHILL 38
WIND DIR NW NW W W SW SW W W W W NW NW NW NW NW NW NW
WIND (MPH) 12 11 9 8 9 8 10 11 9 12 17 20 25 28 28 25 23
WIND GUST (MPH) 46 46
PRECIP PROB (%) 5 0 0 0 0 5 10 40 60 40 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.04 0.11 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) 9.6 9.1 8.9 8.9 10.4 11.2 12.2 12.5 12.4 11.6 11.1 9.8 8.3 7.4 6.4 6.4 5.7
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50 50
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK OV OV OV OV OV BK SC SC SC FW FW SC
CLOUD COVER (%) 65 60 55 60 65 85 85 85 80 85 55 40 30 35 20 10 35
TEMPERATURE 59 57 56 55 55 60 61 60 58 57 58 54 51 54 56 52 47
MIN/MAX TEMP 53 63 51 57
WIND CHILL 39
WIND DIR NW W W W W SW W W W W NW NW NW NW NW NW NW
WIND (MPH) 12 12 10 10 9 8 10 12 10 12 16 19 24 25 27 24 21
WIND GUST (MPH) 44
PRECIP PROB (%) 0 0 0 0 0 5 5 30 50 50 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.04 0.09 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) 9.5 9.1 8.8 8.7 9.7 11.1 12.0 12.3 12.2 11.8 11.0 9.9 8.3 7.3 6.4 6.3 5.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK BK OV OV OV OV OV BK BK SC BK FW FW SC
CLOUD COVER (%) 75 65 60 60 60 85 80 85 80 85 60 55 50 50 20 15 35
TEMPERATURE 62 58 56 55 57 63 64 63 60 59 58 55 53 56 59 55 49
MIN/MAX TEMP 55 66 53 60
WIND CHILL
WIND DIR NW NW N S SE SE S S E NW NW NW NW NW NW NW NW
WIND (MPH) 4 4 2 2 3 4 5 3 3 3 6 11 12 20 24 21 16
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 5 10 30 50 50 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.04 0.10 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) 9.5 9.1 8.8 8.8 9.6 11.1 12.0 12.4 12.3 11.7 11.2 9.9 8.3 7.4 6.4 6.3 5.6
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK OV OV OV OV OV SC FW FW FW FW FW SC
CLOUD COVER (%) 60 55 55 65 70 85 90 85 95 90 50 20 5 25 15 15 30
TEMPERATURE 62 57 56 55 57 62 62 62 59 58 58 55 53 57 59 55 48
MIN/MAX TEMP 54 64 53 60
WIND CHILL
WIND DIR NW NW NW W W S W W W W NW NW NW NW NW NW NW
WIND (MPH) 6 6 4 3 2 2 3 5 3 5 9 11 14 17 18 16 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 5 10 40 60 60 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.06 0.13 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) 10.0 9.2 9.0 9.1 10.6 11.6 12.5 12.6 12.8 11.6 11.4 10.2 8.6 7.6 6.5 6.5 5.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100
...MOUNT OSCEOLA (4340 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK OV OV OV OV OV OV SC FW FW SC FW FW SC
CLOUD COVER (%) 65 55 55 65 70 85 90 85 95 85 45 20 10 25 20 15 30
TEMPERATURE 59 56 54 54 55 57 58 57 56 57 56 53 51 53 54 51 47
MIN/MAX TEMP 53 60 51 55
WIND CHILL 39
WIND DIR NW NW NW W W SW W W W W NW NW NW NW NW NW NW
WIND (MPH) 13 11 8 8 5 4 6 9 8 11 16 20 24 24 25 23 24
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 5 10 40 60 60 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.07 0.13 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) 10.0 9.2 9.0 9.1 10.5 11.6 12.5 12.7 12.9 11.6 11.4 10.2 8.6 7.6 6.5 6.5 5.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100
...CANNON MOUNTAIN (4080 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK OV OV OV OV OV OV BK SC SC SC FW FW SC
CLOUD COVER (%) 65 65 65 60 70 75 75 85 80 80 70 40 45 50 20 15 25
TEMPERATURE 60 57 56 54 56 58 58 58 57 57 56 53 51 51 55 51 47
MIN/MAX TEMP 54 63 50 57
WIND CHILL 39
WIND DIR NW NW NW W W SW W W W W NW NW NW NW NW NW NW
WIND (MPH) 12 11 9 8 8 8 9 10 9 12 16 19 24 24 25 24 21
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 5 10 40 60 40 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.05 0.10 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) 9.6 9.1 8.9 9.0 10.4 11.3 12.2 12.5 12.4 11.7 11.0 9.8 8.3 7.4 6.5 6.4 5.7
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 50 50
...BALDFACE MOUNTAIN (3547 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK OV OV OV OV OV SC SC FW FW FW FW SC
CLOUD COVER (%) 65 60 60 55 60 90 85 85 85 90 50 30 10 20 15 5 30
TEMPERATURE 64 60 59 58 58 61 63 62 60 60 60 57 55 59 60 57 51
MIN/MAX TEMP 57 65 55 61
WIND CHILL
WIND DIR NW NW NW W S SE S S SW NW NW NW NW NW NW NW NW
WIND (MPH) 3 5 4 2 2 3 4 2 2 3 5 9 9 14 17 14 11
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 5 5 30 50 50 10 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.02 0.09 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) 9.7 9.2 8.9 8.8 9.7 10.9 12.1 12.4 12.2 11.7 11.0 10.1 8.3 7.4 6.4 6.3 5.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
...MOUNT MOOSILAUKE (4802 FT)...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK OV BK OV OV OV OV OV OV SC SC SC FW FW SC
CLOUD COVER (%) 75 65 65 70 65 85 75 90 80 80 70 35 40 40 20 15 25
TEMPERATURE 60 56 55 54 55 57 58 58 56 57 56 53 50 52 54 51 46
MIN/MAX TEMP 53 60 50 55
WIND CHILL 38
WIND DIR NW NW NW W SW SW W W W W NW NW NW NW NW NW N
WIND (MPH) 11 9 6 6 5 5 6 6 5 10 14 18 21 20 21 19 19
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 10 10 50 60 40 5 0 0 0 0 0 0
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.00 0.00 0.07 0.10 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) 9.9 9.2 9.0 9.1 10.2 11.8 12.5 12.7 12.7 11.6 11.4 10.1 8.5 7.5 6.6 6.5 5.6
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN