Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
911
FWUS41 KGYX 190830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT WED AUG 19 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 BK OV BK SC BK OV OV SC SC BK BK BK SC FW FW FW
CLOUD COVER (%) 35 60 75 55 40 55 70 80 40 40 60 70 65 35 15 25 10
TEMPERATURE 48 53 55 54 49 48 48 47 46 48 50 50 45 43 42 40 42
MAX/MIN TEMP 56 46 52 40
WIND CHILL 38 37 36 34 32 29 33
WIND DIR W SW W W W W W W NW NW W NW NW NW NW NW NW
WIND (MPH) 11 12 17 21 24 25 27 27 25 18 16 21 24 24 26 25 19
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 10 10 5 5 5 0 0 5 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) 9.1 9.2 10.3 11.1 11.1 10.6 9.9 9.2 8.1 7.9 8.3 8.4 8.3 7.9 7.9 7.9 7.8
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC OV BK SC SC OV OV BK SC BK OV OV SC FW FW FW
CLOUD COVER (%) 20 50 75 55 40 35 75 75 50 50 50 80 75 25 10 15 10
TEMPERATURE 57 64 67 66 59 57 56 55 56 60 63 62 55 52 50 49 52
MAX/MIN TEMP 68 54 64 49
WIND CHILL
WIND DIR SW SW W W W W NW NW NW NW NW NW NW N N N N
WIND (MPH) 4 8 10 10 10 9 10 9 9 8 9 10 9 9 9 9 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 10 10 10 10 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) 9.1 9.1 10.2 11.2 11.2 10.5 9.9 8.9 7.9 7.8 8.2 8.4 8.5 7.9 7.9 7.9 7.8
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 BK OV SC SC BK BK OV SC SC BK BK BK SC FW FW FW
CLOUD COVER (%) 30 55 75 50 30 55 65 75 30 35 55 70 60 30 15 15 5
TEMPERATURE 58 65 68 68 61 58 57 56 57 63 65 64 57 53 51 50 53
MAX/MIN TEMP 69 55 66 50
WIND CHILL
WIND DIR W SW SW W W W NW NW NW NW NW NW NW NW NW NW NW
WIND (MPH) 5 5 9 9 9 9 10 10 10 8 8 9 9 10 10 10 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 5 5 5 5 5 0 0 5 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) 9.1 9.2 10.3 11.1 11.0 10.7 10.0 9.3 8.1 8.0 8.4 8.4 8.3 8.0 7.9 7.9 7.8
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC OV SC SC SC OV OV SC SC BK OV BK SC FW FW FW
CLOUD COVER (%) 25 40 70 50 45 50 75 80 50 40 55 70 60 30 15 15 10
TEMPERATURE 59 67 70 70 63 59 57 56 58 65 68 67 59 54 51 50 55
MAX/MIN TEMP 72 55 69 50
WIND CHILL
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW
WIND (MPH) 2 4 9 8 4 3 4 5 5 6 8 8 5 4 4 4 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 5 10 5 5 5 0 0 5 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) 9.1 9.1 10.3 11.1 11.1 10.5 10.0 9.1 8.0 7.9 8.2 8.4 8.5 8.0 7.9 7.9 7.8
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC OV SC SC SC BK BK FW SC BK OV OV SC FW FW CL
CLOUD COVER (%) 15 30 75 35 25 35 65 50 25 35 60 75 70 30 10 10 5
TEMPERATURE 59 66 70 70 62 59 57 56 58 66 68 67 59 54 52 50 55
MAX/MIN TEMP 71 55 68 50
WIND CHILL
WIND DIR W W W W W W NW NW NW NW W NW NW N N N N
WIND (MPH) 2 5 8 6 5 5 5 5 5 5 6 6 5 6 6 6 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 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) 9.2 9.0 10.3 11.2 11.1 10.8 10.4 9.4 8.2 8.0 8.2 8.4 8.5 8.1 7.9 8.2 7.9
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC OV SC FW SC BK BK SC SC BK OV BK SC FW FW CL
CLOUD COVER (%) 15 35 75 35 25 30 65 50 30 35 60 80 70 30 10 10 5
TEMPERATURE 56 62 65 65 59 58 56 54 56 61 63 62 56 53 50 48 52
MAX/MIN TEMP 66 54 63 48
WIND CHILL
WIND DIR SW SW W W W W NW NW NW NW W NW NW N N N N
WIND (MPH) 4 6 9 9 9 8 10 11 10 8 8 9 10 12 12 12 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 5 0 0 5 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) 9.2 9.0 10.3 11.2 11.1 10.8 10.3 9.4 8.2 7.9 8.2 8.4 8.6 8.1 7.9 8.2 7.9
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC BK SC SC SC OV OV SC BK SC OV BK SC FW FW FW
CLOUD COVER (%) 20 50 70 45 35 30 70 75 45 50 50 80 70 25 10 15 10
TEMPERATURE 58 65 68 66 60 59 57 56 56 59 63 62 56 54 51 50 52
MAX/MIN TEMP 69 55 65 50
WIND CHILL
WIND DIR SW SW W W W W NW N NW NW NW NW NW N N N N
WIND (MPH) 4 6 9 9 9 9 9 8 9 8 8 9 9 9 8 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 10 10 10 10 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) 9.1 9.0 10.2 11.2 11.2 10.4 9.9 8.9 7.9 7.8 8.1 8.4 8.4 8.0 7.8 7.9 7.8
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC OV SC FW BK BK BK SC SC BK OV OV SC FW FW FW
CLOUD COVER (%) 40 40 70 40 25 50 50 60 40 40 55 75 75 35 15 15 5
TEMPERATURE 62 69 72 71 65 63 61 59 61 68 70 69 61 59 56 54 57
MAX/MIN TEMP 73 59 71 54
WIND CHILL
WIND DIR W S SW W W W NW NW NW NW NW NW NW NW NW NW NW
WIND (MPH) 1 3 5 4 3 4 4 5 4 3 3 4 4 6 6 6 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 5 5 0 0 0 0 0 0 10 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) 9.2 9.2 10.3 11.1 11.0 10.9 10.3 9.8 8.5 8.3 8.7 8.8 8.3 8.3 7.9 7.9 7.9
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC OV SC SC SC OV BK SC SC BK OV OV SC FW FW FW
CLOUD COVER (%) 25 45 75 45 35 30 70 50 40 45 55 90 80 25 10 10 5
TEMPERATURE 57 62 64 64 59 57 56 55 56 59 62 61 55 53 51 49 52
MAX/MIN TEMP 65 54 62 49
WIND CHILL
WIND DIR SW SW SW W W NW NW NW NW NW NW NW NW N N N N
WIND (MPH) 3 5 6 8 6 6 8 8 6 6 6 6 8 10 9 9 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 10 10 5 5 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) 9.1 9.1 10.6 11.3 11.2 10.5 10.0 9.1 7.9 7.7 8.2 8.5 8.6 8.0 7.8 8.0 7.8
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