Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
873
FWUS41 KGYX 240830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT SUN AUG 24 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV BK OV OV OV OV OV OV OV BK SC FW SC FW
CLOUD COVER (%) 40 55 80 80 65 75 75 95 95 95 95 90 60 30 25 30 15
TEMPERATURE 47 50 53 53 51 51 50 50 48 49 50 50 47 45 43 42 40
MAX/MIN TEMP 55 48 51 40
WIND CHILL
WIND DIR SW SW SW SW SW SW SW SW W SW W W W W W W W
WIND (MPH) 27 23 23 24 21 17 16 17 14 12 16 16 20 26 31 29 32
WIND GUST (MPH) 48 47 46
PRECIP PROB (%) 5 10 20 30 10 20 40 60 80 80 80 70 40 10 5 0 10
PRECIP TYPE R R T R R R R R R R
6 HOUR QPF 0.00 0.04 0.06 0.15 0.11 0.19 0.06 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 10.9 11.4 11.6 11.8 11.4 11.8 10.8 11.1 10.8 11.1 11.0 9.5 8.8 8.4 7.7 7.4 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV OV BK OV OV OV OV OV OV OV BK SC FW SC FW
CLOUD COVER (%) 50 50 80 80 65 80 85 95 90 90 90 75 60 25 25 35 15
TEMPERATURE 56 60 63 63 60 59 57 57 57 58 60 61 55 53 49 48 49
MAX/MIN TEMP 65 57 63 47
WIND CHILL
WIND DIR SW SW S S S SW SW SW SW SW SW W W W W W W
WIND (MPH) 19 16 17 16 16 13 14 14 13 11 12 13 6 8 9 9 10
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 30 10 20 40 70 70 70 70 50 40 10 5 0 5
PRECIP TYPE R R T T R R R R R R
6 HOUR QPF 0.00 0.05 0.06 0.15 0.22 0.23 0.06 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.1 11.4 11.5 11.8 11.5 11.8 11.1 11.4 11.3 11.1 10.6 9.2 8.7 8.3 7.7 7.4 7.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV BK OV OV OV OV OV OV OV BK SC FW SC FW
CLOUD COVER (%) 35 50 75 80 65 75 80 95 95 95 95 90 60 25 25 30 15
TEMPERATURE 56 63 66 65 62 60 58 57 57 60 61 62 56 54 50 49 50
MAX/MIN TEMP 66 56 63 48
WIND CHILL
WIND DIR SW SW S SW S SW SW W W W W W W W W W W
WIND (MPH) 17 14 17 17 14 10 8 9 8 8 10 9 8 10 11 11 12
WIND GUST (MPH)
PRECIP PROB (%) 5 5 20 30 10 20 40 60 80 80 80 70 40 10 5 0 5
PRECIP TYPE R R T R R R R R R R
6 HOUR QPF 0.00 0.04 0.06 0.16 0.14 0.15 0.04 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 10.8 11.3 11.6 11.8 11.4 11.7 10.7 11.0 10.7 11.1 10.9 9.5 8.8 8.3 7.7 7.5 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV BK OV OV OV OV OV OV OV BK SC SC SC FW
CLOUD COVER (%) 40 50 75 80 65 75 80 95 90 95 95 90 60 30 25 35 15
TEMPERATURE 58 65 69 68 64 62 60 59 60 62 64 64 59 56 52 49 52
MAX/MIN TEMP 70 58 66 49
WIND CHILL
WIND DIR S S S S S S S S S S SW W W W W W W
WIND (MPH) 12 14 14 13 10 9 9 8 6 8 8 8 5 6 8 8 9
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 30 10 20 40 70 70 80 80 60 40 10 5 0 10
PRECIP TYPE R R T R R R R R R R
6 HOUR QPF 0.00 0.01 0.03 0.10 0.14 0.15 0.02 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.0 11.4 11.6 11.8 11.4 11.8 10.8 11.1 11.0 11.2 11.0 9.4 8.7 8.6 7.7 7.4 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV OV OV OV OV OV OV OV OV BK FW FW FW FW
CLOUD COVER (%) 40 55 70 85 75 80 90 95 90 90 90 90 60 15 20 20 10
TEMPERATURE 57 63 67 68 64 61 59 59 59 61 63 64 58 55 51 49 52
MAX/MIN TEMP 68 57 65 49
WIND CHILL
WIND DIR SW SW S S S S S S S S S S W W W W W
WIND (MPH) 10 9 11 11 10 8 8 6 4 5 4 4 5 6 8 8 8
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 30 10 20 40 60 70 70 70 60 40 10 5 0 5
PRECIP TYPE R R T R R R R R R R
6 HOUR QPF 0.00 0.01 0.04 0.10 0.10 0.13 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 10.7 11.3 11.5 11.9 11.5 11.8 10.8 11.0 10.7 11.3 11.1 9.3 8.5 8.3 7.7 7.5 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
...MOUNT OSCEOLA (4340 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV OV OV OV OV OV OV OV OV BK FW FW FW FW
CLOUD COVER (%) 45 55 70 85 75 80 90 95 90 90 90 90 60 15 20 20 10
TEMPERATURE 55 59 62 63 61 59 57 57 57 57 58 59 55 53 49 48 50
MAX/MIN TEMP 63 56 61 48
WIND CHILL
WIND DIR SW SW S SW S S S S S SE SE NW W W NW NW W
WIND (MPH) 13 12 14 13 12 9 8 8 5 4 5 5 9 12 13 12 12
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 30 10 20 40 60 70 70 70 60 40 10 5 0 5
PRECIP TYPE R R T R R R R R R R
6 HOUR QPF 0.00 0.01 0.04 0.11 0.12 0.13 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 10.7 11.3 11.5 11.9 11.4 11.8 10.8 11.1 10.9 11.3 10.9 9.3 8.5 8.2 7.7 7.4 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
...CANNON MOUNTAIN (4080 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV BK OV OV OV OV OV OV OV BK FW FW SC FW
CLOUD COVER (%) 45 50 75 80 65 80 80 95 90 90 90 75 55 25 25 35 15
TEMPERATURE 56 59 63 63 61 61 59 59 57 57 59 60 56 55 50 49 50
MAX/MIN TEMP 66 57 64 48
WIND CHILL
WIND DIR SW SW S S S SW SW SW SW SW SW W W W W W W
WIND (MPH) 17 14 16 14 13 11 10 11 9 8 8 9 9 9 10 9 10
WIND GUST (MPH)
PRECIP PROB (%) 5 10 20 30 10 20 50 70 70 70 70 50 40 10 5 0 5
PRECIP TYPE R R T T R R R R R R
6 HOUR QPF 0.00 0.11 0.15 0.25 0.38 0.22 0.07 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.1 11.4 11.5 11.8 11.5 11.8 11.2 11.4 11.4 11.1 10.6 9.1 8.5 8.2 7.7 7.4 7.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
...BALDFACE MOUNTAIN (3547 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV OV OV OV OV OV OV OV OV BK FW FW FW FW
CLOUD COVER (%) 25 45 60 80 70 75 80 95 95 95 95 95 60 20 20 20 10
TEMPERATURE 59 67 72 71 67 64 62 61 60 63 67 67 62 58 54 52 55
MAX/MIN TEMP 72 60 68 52
WIND CHILL
WIND DIR SW SW S S S SW SW S S S S SW W W W W W
WIND (MPH) 10 11 11 11 9 8 6 5 5 5 5 5 4 5 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 20 10 20 30 40 80 80 80 80 40 10 5 0 5
PRECIP TYPE R R T R R R R R R R
6 HOUR QPF 0.00 0.00 0.01 0.11 0.09 0.14 0.01 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 10.4 11.1 11.6 11.8 11.6 11.7 10.6 10.6 10.7 10.8 11.0 9.9 8.7 8.4 7.9 7.5 7.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
...MOUNT MOOSILAUKE (4802 FT)...
DATE SUNDAY 08/24/25 MONDAY 08/25/25
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 OV OV OV OV OV OV OV OV OV BK FW FW FW FW
CLOUD COVER (%) 45 60 80 85 70 80 85 95 90 90 90 70 55 15 15 25 10
TEMPERATURE 55 59 62 62 60 60 57 58 57 57 59 59 55 53 49 48 50
MAX/MIN TEMP 62 57 61 48
WIND CHILL
WIND DIR SW S S S S SW SW SW SW SW SW W W W W W W
WIND (MPH) 16 13 14 13 13 11 11 11 10 9 10 10 6 9 9 8 9
WIND GUST (MPH)
PRECIP PROB (%) 5 20 20 30 10 20 50 70 70 60 60 50 30 5 5 0 5
PRECIP TYPE R R R T T R R R R R R
6 HOUR QPF 0.00 0.08 0.09 0.26 0.27 0.17 0.02 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.1 11.5 11.3 11.9 11.6 11.7 11.2 11.4 11.4 10.9 10.4 8.9 8.5 8.0 7.8 7.3 7.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
* SNOW LEVEL IS AN AUTOMATED PARAMETER GENERATED FROM A CONSENSUS BLEND OF NUMERICAL WEATHER GUIDANCE.