Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
564
FWUS41 KGYX 290830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT TUE SEP 29 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 OV OV OV OV OV OV BK BK BK OV OV SC OV SC SC BK SC
CLOUD COVER (%) 70 75 80 70 75 75 65 65 60 80 70 50 90 50 35 50 40
TEMPERATURE 44 43 43 43 42 41 41 40 38 43 46 45 42 42 41 40 42
MAX/MIN TEMP 45 38 48 39
WIND CHILL 35 35 36 35 32 32 32 32 30 35 34 32 32 34
WIND DIR N N N N N N NW NW N NW NW W W W W W W
WIND (MPH) 25 16 14 17 24 20 18 16 13 3 4 6 12 14 17 16 17
WIND GUST (MPH)
PRECIP PROB (%) 10 20 20 10 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE R R
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) 11.1 11.0 10.9 10.8 10.5 10.5 10.4 9.7 9.4 9.1 8.9 9.3 8.8 8.9 9.3 9.8 10.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 OV OV OV OV OV OV BK BK OV OV OV BK OV SC SC BK SC
CLOUD COVER (%) 80 80 80 75 75 70 65 70 80 85 70 65 90 45 40 55 45
TEMPERATURE 47 50 51 51 50 48 47 47 46 53 57 57 51 50 49 48 50
MAX/MIN TEMP 52 45 59 47
WIND CHILL
WIND DIR N N N N N N N N N NW NW W W SW SW SW SW
WIND (MPH) 8 6 6 6 6 5 4 4 4 3 4 3 3 4 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 10 20 20 10 5 5 5 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE R R
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) 10.9 10.9 10.8 10.7 10.4 10.3 10.3 9.9 9.2 9.0 9.0 9.3 8.8 8.9 9.3 9.9 10.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 BK BK BK BK BK BK BK SC SC OV BK SC OV BK SC SC SC
CLOUD COVER (%) 65 60 65 55 65 55 50 50 45 75 65 45 85 50 35 45 35
TEMPERATURE 47 51 52 52 50 49 48 48 46 56 60 58 52 50 49 48 50
MAX/MIN TEMP 53 46 60 47
WIND CHILL
WIND DIR N N N N N N N N N NW NW W W W W W W
WIND (MPH) 10 8 8 8 9 8 6 6 5 2 3 3 5 6 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 10 20 20 10 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE R R
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) 11.0 11.0 11.0 10.8 10.6 10.5 10.4 9.8 9.4 9.2 8.9 9.3 8.8 8.9 9.3 9.8 10.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 OV OV OV OV OV OV OV OV OV OV OV BK OV SC SC BK SC
CLOUD COVER (%) 70 80 80 75 70 75 70 70 75 75 70 55 90 50 35 50 40
TEMPERATURE 50 54 55 55 53 51 50 49 49 59 63 61 54 52 51 50 53
MAX/MIN TEMP 56 47 63 49
WIND CHILL
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW W W W W SW
WIND (MPH) 5 5 8 6 5 4 3 3 3 1 3 3 2 2 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 10 20 20 10 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE R R
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) 11.0 11.0 10.9 10.8 10.5 10.5 10.4 9.8 9.3 9.1 9.0 9.3 8.7 8.9 9.3 9.8 10.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 BK BK SC BK SC SC SC SC OV BK SC OV BK SC SC SC
CLOUD COVER (%) 35 60 65 40 50 45 35 40 40 75 70 50 85 50 40 45 35
TEMPERATURE 49 55 56 55 52 50 49 48 48 59 62 60 53 51 50 49 52
MAX/MIN TEMP 57 46 62 48
WIND CHILL
WIND DIR N N N N N N W N N SW W W W W W W W
WIND (MPH) 6 4 5 5 4 4 4 4 4 2 3 3 3 3 4 3 4
WIND GUST (MPH)
PRECIP PROB (%) 10 10 10 10 5 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) 10.9 11.0 10.9 10.8 10.5 10.5 10.3 10.0 9.4 9.2 9.0 9.3 8.8 8.9 9.6 9.7 10.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...MOUNT OSCEOLA (4340 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 BK BK SC BK SC SC SC SC OV OV BK OV BK SC SC SC
CLOUD COVER (%) 30 55 60 35 50 45 45 35 35 75 70 50 85 50 40 50 35
TEMPERATURE 49 51 52 51 50 49 48 47 47 54 57 55 51 50 49 48 50
MAX/MIN TEMP 53 45 57 47
WIND CHILL
WIND DIR N N N N N N NW N N W W W W NW NW W W
WIND (MPH) 11 6 6 6 10 10 9 8 6 2 3 3 4 5 6 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 10 10 10 5 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) 10.9 10.9 10.9 10.7 10.6 10.4 10.3 10.0 9.4 9.1 9.0 9.3 8.9 8.9 9.5 9.7 10.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...CANNON MOUNTAIN (4080 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 OV OV OV OV OV BK BK OV OV OV BK BK OV SC SC BK SC
CLOUD COVER (%) 70 80 75 70 75 65 65 70 75 85 65 65 90 45 40 50 45
TEMPERATURE 49 49 50 50 50 50 49 48 47 52 57 56 52 51 51 50 51
MAX/MIN TEMP 51 46 59 49
WIND CHILL
WIND DIR N N N N N N N N N NW NW NW W SW SW SW S
WIND (MPH) 9 6 6 6 9 8 5 5 5 2 3 2 4 6 6 8 8
WIND GUST (MPH)
PRECIP PROB (%) 10 10 20 10 5 5 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE R
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) 10.9 10.9 10.8 10.7 10.3 10.3 10.2 9.9 9.2 9.0 9.0 9.3 8.8 8.9 9.2 9.9 10.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...BALDFACE MOUNTAIN (3547 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 OV BK BK FW BK SC SC SC BK OV OV SC OV BK SC SC SC
CLOUD COVER (%) 75 60 65 20 50 45 45 35 50 70 70 45 80 50 30 45 35
TEMPERATURE 49 53 57 57 54 54 52 51 51 59 63 61 56 54 53 52 53
MAX/MIN TEMP 58 49 63 51
WIND CHILL
WIND DIR N N N N N N NW NW NW N SW S W W W W W
WIND (MPH) 8 4 5 5 5 5 5 4 3 1 2 2 2 3 3 2 3
WIND GUST (MPH)
PRECIP PROB (%) 10 20 10 10 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE R
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) 11.0 11.1 11.0 10.8 10.6 10.4 10.4 9.8 9.5 9.3 8.8 9.0 8.8 8.9 9.2 9.8 10.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...MOUNT MOOSILAUKE (4802 FT)...
DATE TUESDAY 09/29/26 WEDNESDAY 09/30/26
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 OV OV OV BK OV BK BK BK BK OV BK BK OV SC SC BK BK
CLOUD COVER (%) 75 70 70 70 75 55 60 55 65 85 65 65 90 50 45 55 50
TEMPERATURE 48 49 49 50 49 48 48 48 48 53 56 55 51 50 50 49 50
MAX/MIN TEMP 51 46 56 48
WIND CHILL
WIND DIR N N N N N N N N N NW W W W W SW SW SW
WIND (MPH) 10 8 8 8 10 9 8 6 5 2 3 2 2 4 4 4 5
WIND GUST (MPH)
PRECIP PROB (%) 10 10 10 10 5 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) 10.9 10.8 10.8 10.7 10.4 10.4 10.3 9.9 9.2 9.0 9.1 9.3 8.9 9.0 9.2 9.8 10.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN