Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
402
FWUS41 KGYX 242030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT SUN AUG 24 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK BK SC FW SC FW SC SC SC SC
CLOUD COVER (%) 55 80 80 90 85 80 75 60 55 35 20 35 20 35 45 45 25
TEMPERATURE 50 51 51 50 48 49 51 50 46 45 43 41 39 42 44 43 40
MIN/MAX TEMP 48 51 39 45
WIND CHILL
WIND DIR S SW SW S S S SW W W W W W W W W W W
WIND (MPH) 34 35 32 27 24 17 14 14 23 27 31 32 32 36 39 36 31
WIND GUST (MPH)
PRECIP PROB (%) 20 20 40 50 70 70 60 40 30 20 10 5 10 10 20 20 5
PRECIP TYPE R T R R R R R T R R R R
6 HOUR QPF 0.09 0.26 0.39 0.20 0.03 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.4 11.9 11.8 11.2 11.0 11.2 10.8 9.6 8.7 8.1 7.7 7.6 7.2 7.2 7.3 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 1 1 1 2 2 2 3
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK SC FW FW SC FW SC BK SC SC
CLOUD COVER (%) 65 80 85 90 85 85 70 55 45 25 20 35 20 45 55 50 35
TEMPERATURE 60 59 57 57 57 59 60 61 56 52 49 48 49 53 55 54 49
MIN/MAX TEMP 56 62 48 57
WIND CHILL
WIND DIR S S S S S S SW W W W W W W W W W W
WIND (MPH) 11 12 11 10 9 6 6 6 6 8 9 9 10 12 13 12 9
WIND GUST (MPH)
PRECIP PROB (%) 20 30 50 60 70 70 50 30 20 20 10 5 10 10 20 20 10
PRECIP TYPE R R R R R R T R R R R R
6 HOUR QPF 0.11 0.29 0.68 0.09 0.02 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.6 11.8 11.8 11.5 11.2 11.0 10.5 9.3 8.6 7.9 7.7 7.4 7.1 7.2 7.3 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 2
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK BK SC FW SC FW SC SC SC FW
CLOUD COVER (%) 55 80 80 90 85 80 75 60 50 35 20 30 15 30 45 45 25
TEMPERATURE 61 59 58 57 57 60 62 61 56 52 49 48 50 55 57 56 50
MIN/MAX TEMP 56 62 48 58
WIND CHILL
WIND DIR S S S S S S SW W W W W W W W W W W
WIND (MPH) 12 12 11 10 9 8 6 6 9 10 11 12 12 14 14 14 10
WIND GUST (MPH)
PRECIP PROB (%) 20 20 40 50 70 70 60 40 30 20 10 5 10 10 10 10 5
PRECIP TYPE R T R R R R R T R R
6 HOUR QPF 0.10 0.26 0.42 0.13 0.02 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.4 11.9 11.8 11.2 11.1 11.2 10.8 9.6 8.7 8.1 7.6 7.7 7.3 7.2 7.4 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK BK SC FW SC FW SC SC BK SC
CLOUD COVER (%) 55 80 80 90 85 80 75 55 50 35 25 35 20 35 45 50 30
TEMPERATURE 64 62 60 59 60 62 64 64 58 54 51 48 53 58 60 59 53
MIN/MAX TEMP 58 65 48 61
WIND CHILL
WIND DIR S S S S SE S SW W NW W W W W W W W W
WIND (MPH) 10 9 9 8 6 6 6 6 6 6 8 8 9 13 14 13 9
WIND GUST (MPH)
PRECIP PROB (%) 20 30 40 60 70 70 60 40 30 20 10 5 10 10 20 20 10
PRECIP TYPE R R R R R R R T R R R R
6 HOUR QPF 0.04 0.25 0.21 0.12 0.02 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.4 11.9 11.8 11.2 11.2 11.2 10.7 9.4 8.7 8.0 7.7 7.6 7.2 7.2 7.3 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK SC FW FW FW FW FW SC SC FW
CLOUD COVER (%) 65 85 85 90 85 85 75 55 45 25 15 20 10 25 45 45 20
TEMPERATURE 62 61 59 58 59 61 62 64 59 55 51 49 52 58 60 59 52
MIN/MAX TEMP 57 65 49 61
WIND CHILL
WIND DIR S SW SW S S S SW W NW W W W W W W W W
WIND (MPH) 8 8 8 5 5 5 5 5 5 6 8 8 8 10 11 10 6
WIND GUST (MPH)
PRECIP PROB (%) 20 30 40 60 70 60 50 30 20 20 10 0 5 5 10 10 5
PRECIP TYPE R R R R R R T R R R
6 HOUR QPF 0.06 0.26 0.25 0.07 0.01 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.6 12.0 11.7 10.9 11.2 11.2 10.7 9.2 8.6 8.0 7.6 7.6 7.3 7.2 7.4 7.4 7.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1
...MOUNT OSCEOLA (4340 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK SC FW FW FW FW SC SC SC FW
CLOUD COVER (%) 65 85 85 90 85 85 70 55 45 20 15 20 10 25 50 45 25
TEMPERATURE 60 59 57 57 56 56 58 59 55 53 49 47 49 54 55 54 50
MIN/MAX TEMP 56 60 47 56
WIND CHILL
WIND DIR S S S S S S SW W NW W NW W W W W W W
WIND (MPH) 13 16 13 11 9 6 5 6 10 13 13 12 12 13 13 13 12
WIND GUST (MPH)
PRECIP PROB (%) 20 30 40 60 70 60 50 30 20 10 10 5 5 5 10 10 5
PRECIP TYPE R R R R R R T R R
6 HOUR QPF 0.08 0.27 0.36 0.09 0.01 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.6 12.0 11.7 11.1 11.2 11.2 10.7 9.2 8.6 8.0 7.6 7.5 7.3 7.2 7.4 7.4 7.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1
...CANNON MOUNTAIN (4080 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV BK BK SC FW FW SC FW SC BK BK SC
CLOUD COVER (%) 65 80 85 90 85 85 70 55 45 25 20 35 20 45 55 55 35
TEMPERATURE 61 61 59 58 57 57 58 60 58 55 49 48 50 52 54 54 50
MIN/MAX TEMP 57 63 48 58
WIND CHILL
WIND DIR S S S S S S SW W NW W W W W W W W W
WIND (MPH) 14 16 16 13 10 8 6 6 9 9 10 10 10 12 13 13 11
WIND GUST (MPH)
PRECIP PROB (%) 20 30 60 60 70 70 50 30 20 20 10 5 5 10 20 20 10
PRECIP TYPE R R R R R R T R R R R R
6 HOUR QPF 0.13 0.33 0.64 0.07 0.02 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.6 11.8 11.8 11.4 11.1 11.0 10.5 9.3 8.6 7.9 7.7 7.3 7.1 7.1 7.3 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 2
...BALDFACE MOUNTAIN (3547 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV OV BK BK SC FW FW FW FW SC SC FW
CLOUD COVER (%) 50 80 85 95 85 80 80 60 55 40 20 20 10 20 40 35 15
TEMPERATURE 67 63 62 61 60 63 66 66 62 57 54 52 55 63 65 63 56
MIN/MAX TEMP 60 68 52 65
WIND CHILL
WIND DIR S SW SW S S S S SW NW W W W W W W W W
WIND (MPH) 9 9 8 5 5 5 5 4 4 6 8 8 6 9 10 10 6
WIND GUST (MPH)
PRECIP PROB (%) 10 20 30 40 60 60 60 40 30 20 5 0 5 10 10 10 5
PRECIP TYPE R R R R R R T R R
6 HOUR QPF 0.02 0.17 0.40 0.09 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.5 11.9 11.7 10.7 10.8 11.1 10.9 9.6 8.8 8.0 7.6 7.6 7.3 7.3 7.4 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
...MOUNT MOOSILAUKE (4802 FT)...
DATE MONDAY 08/25/25 TUESDAY 08/26/25
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 OV OV BK BK SC FW FW FW FW SC BK BK SC
CLOUD COVER (%) 70 80 90 90 85 80 65 50 35 15 15 25 15 40 55 55 30
TEMPERATURE 60 59 58 57 57 58 58 60 55 53 50 48 51 53 54 54 50
MIN/MAX TEMP 56 60 48 55
WIND CHILL
WIND DIR S S S S S S SW W NW W W W W W W W NW
WIND (MPH) 12 13 13 11 10 5 5 5 8 9 9 9 9 10 11 10 9
WIND GUST (MPH)
PRECIP PROB (%) 20 30 60 60 70 70 50 30 20 10 10 5 5 5 10 10 5
PRECIP TYPE R R R R R R T R R
6 HOUR QPF 0.09 0.35 0.44 0.12 0.01 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 11.6 11.8 11.7 11.3 11.2 11.0 10.3 9.0 8.6 7.7 7.6 7.3 7.0 7.1 7.3 7.3 7.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 2
$$
--- 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.