Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
944
FWUS41 KGYX 172030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT SUN AUG 17 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 BK SC SC FW CL SC SC SC SC SC BK BK BK BK OV BK
CLOUD COVER (%) 60 50 40 40 10 5 30 30 25 45 45 70 65 60 65 70 70
TEMPERATURE 46 42 39 36 37 41 46 46 40 38 38 37 40 44 48 48 44
MIN/MAX TEMP 36 48 37 49
WIND CHILL
WIND DIR NW N N N N N N N N NE SE SE SE S S S SE
WIND (MPH) 36 36 34 29 31 20 17 18 21 17 16 13 13 12 13 17 26
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.1 8.6 6.5 5.6 4.9 5.2 6.3 6.9 6.8 6.9 6.9 7.1 7.2 7.5 8.1 8.7 9.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 BK SC SC FW CL SC FW SC SC BK BK BK BK BK BK OV
CLOUD COVER (%) 70 55 40 40 10 5 35 25 30 40 50 65 65 60 60 70 75
TEMPERATURE 53 48 45 43 44 51 56 57 50 46 45 44 49 56 59 59 54
MIN/MAX TEMP 42 59 44 61
WIND CHILL
WIND DIR N N N N N N N N NE E SE SE SE S S S SE
WIND (MPH) 17 17 16 13 10 8 8 8 8 8 6 5 5 5 6 6 8
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.1 8.8 6.5 5.4 4.9 5.1 6.2 6.7 6.9 6.9 6.9 7.2 7.2 7.5 8.0 8.7 9.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC SC FW CL SC SC SC SC SC BK BK BK BK OV BK
CLOUD COVER (%) 60 50 40 40 10 5 30 25 25 45 45 65 65 60 65 70 70
TEMPERATURE 54 50 46 44 46 53 58 60 51 47 44 43 48 56 60 60 54
MIN/MAX TEMP 43 61 43 61
WIND CHILL
WIND DIR NW N N N N N N N N N E SE SE S S S SE
WIND (MPH) 17 17 14 13 11 9 8 8 8 6 5 5 5 5 5 8 10
WIND GUST (MPH)
PRECIP PROB (%) 20 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.2 8.7 6.6 5.7 5.0 5.3 6.3 7.0 6.8 6.9 6.9 7.1 7.2 7.5 8.1 8.7 9.0
SNOW RATIO (:1) 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 MONDAY 08/18/25 TUESDAY 08/19/25
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 BK SC SC FW CL SC SC SC SC SC BK BK BK BK BK OV
CLOUD COVER (%) 65 50 40 40 10 5 35 25 25 40 50 70 65 60 65 70 70
TEMPERATURE 56 51 48 44 47 55 61 62 52 48 46 43 49 59 63 63 57
MIN/MAX TEMP 43 63 43 64
WIND CHILL
WIND DIR NW N N NW NW N NW N N E E SE SE S S S SE
WIND (MPH) 13 12 10 8 9 8 8 8 5 5 4 4 4 5 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.2 8.7 6.5 5.5 4.9 5.2 6.3 6.9 6.9 6.9 6.9 7.1 7.1 7.4 8.0 8.7 9.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC FW FW CL CL SC FW SC SC SC BK BK BK BK BK OV
CLOUD COVER (%) 55 30 25 25 5 5 30 25 30 35 45 60 60 55 60 65 75
TEMPERATURE 57 52 48 45 48 57 62 63 54 49 46 46 51 59 62 62 56
MIN/MAX TEMP 44 64 45 63
WIND CHILL
WIND DIR NW N N N N N NE N NE NE NE NE E S S S SE
WIND (MPH) 11 9 9 6 6 5 5 5 5 5 4 3 3 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
PRECIP TYPE R
6 HOUR QPF 0.01 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.5 9.7 7.0 5.7 5.2 5.5 6.7 7.2 7.2 7.1 7.0 7.2 7.2 7.5 8.0 8.8 9.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...MOUNT OSCEOLA (4340 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC FW CL CL SC FW SC SC SC BK BK BK BK BK OV
CLOUD COVER (%) 55 30 25 25 5 5 30 25 30 35 45 60 60 55 60 65 75
TEMPERATURE 54 50 46 44 46 52 57 58 51 48 44 44 48 54 58 58 53
MIN/MAX TEMP 43 59 44 59
WIND CHILL
WIND DIR N N N N N N N N NE NE E E E S S S SE
WIND (MPH) 19 20 17 12 10 5 5 5 9 9 8 5 5 5 6 6 9
WIND GUST (MPH)
PRECIP PROB (%) 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.5 9.7 6.9 5.7 5.2 5.5 6.6 7.2 7.2 7.1 7.0 7.2 7.3 7.5 7.9 8.8 9.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...CANNON MOUNTAIN (4080 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 BK SC SC FW CL SC FW SC SC BK BK BK BK BK BK OV
CLOUD COVER (%) 70 50 35 35 10 5 35 25 30 35 50 65 65 60 60 70 75
TEMPERATURE 53 50 47 44 44 49 55 56 52 48 45 45 49 54 58 59 56
MIN/MAX TEMP 43 60 44 62
WIND CHILL
WIND DIR N N N N N N N N NE E SE SE SE S S S SE
WIND (MPH) 19 21 18 13 11 9 8 9 9 9 9 8 5 5 5 6 9
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.1 8.8 6.5 5.4 4.9 5.0 6.1 6.7 6.8 6.9 6.9 7.2 7.2 7.5 8.0 8.7 9.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...BALDFACE MOUNTAIN (3547 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC SC SC CL CL SC FW FW SC SC BK BK BK BK BK BK
CLOUD COVER (%) 50 35 30 30 5 5 25 25 25 40 40 65 65 55 60 65 65
TEMPERATURE 60 55 52 49 49 58 65 65 56 51 47 46 51 61 65 65 59
MIN/MAX TEMP 47 66 46 66
WIND CHILL
WIND DIR N N N N N N N N N N N N E S S S SE
WIND (MPH) 12 14 11 11 8 5 5 5 4 4 2 2 2 3 4 5 6
WIND GUST (MPH)
PRECIP PROB (%) 20 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRECIP TYPE R
6 HOUR QPF 0.01 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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.4 9.0 6.7 5.6 4.9 5.0 6.0 6.7 6.8 6.8 6.9 7.1 7.1 7.3 7.8 8.6 9.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...MOUNT MOOSILAUKE (4802 FT)...
DATE MONDAY 08/18/25 TUESDAY 08/19/25
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 SC SC SC FW FW SC FW SC SC SC BK BK BK BK BK OV
CLOUD COVER (%) 65 45 30 25 10 5 30 25 35 30 50 60 65 55 60 65 75
TEMPERATURE 52 48 45 44 44 50 55 56 50 46 45 45 49 54 57 58 54
MIN/MAX TEMP 43 57 45 59
WIND CHILL
WIND DIR N N N N N N N N N NE E E SE S S S SE
WIND (MPH) 18 19 17 13 10 8 6 6 9 8 6 6 5 5 5 5 9
WIND GUST (MPH)
PRECIP PROB (%) 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
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
12 HOUR SNOW 0.0 0.0 0.0 0.0
SNOW LEVEL (KFT) 12.4 9.3 6.7 5.6 5.0 5.2 6.1 6.7 6.9 7.0 7.0 7.2 7.2 7.5 8.0 8.8 9.2
SNOW RATIO (:1) 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
* SNOW LEVEL IS AN AUTOMATED PARAMETER GENERATED FROM A CONSENSUS BLEND OF NUMERICAL WEATHER GUIDANCE.