Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
359
FWUS41 KGYX 272030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT WED AUG 27 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK BK SC BK OV OV OV OV OV
CLOUD COVER (%) 25 15 10 20 15 20 50 55 60 50 40 65 75 80 85 95 75
TEMPERATURE 37 37 36 36 39 44 48 48 43 42 41 40 40 41 42 42 39
MIN/MAX TEMP 35 49 38 44
WIND CHILL
WIND DIR NW NW NW W W W SW SW SW SW SW SW SW SW SW SW W
WIND (MPH) 25 28 28 26 21 18 17 17 20 24 26 27 32 28 23 24 24
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 0 5 10 20 50 70 80 90 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.04 0.25 0.40
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) 6.5 6.2 6.1 6.1 6.2 6.8 7.3 7.5 7.6 7.3 7.2 7.5 8.0 8.3 8.3 8.1 7.6
SNOW RATIO (:1) 3 2 2 2 1 1 1 1 1 1 1 2 2 2 1 2 2
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK BK SC OV OV OV OV OV OV
CLOUD COVER (%) 25 10 10 20 20 20 45 60 65 55 50 75 80 80 85 90 70
TEMPERATURE 46 45 43 42 48 55 59 58 53 50 48 48 50 51 51 51 47
MIN/MAX TEMP 42 61 47 54
WIND CHILL
WIND DIR NW NW W W W W SW SW SW SW SW SW S S SW SW W
WIND (MPH) 12 12 12 12 11 12 11 13 13 16 17 18 20 17 13 11 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 20 30 50 70 80 90 60
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.14 0.15 0.25
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) 6.5 6.3 6.2 6.2 6.4 6.7 7.2 7.7 7.5 7.4 7.3 7.9 8.1 8.2 8.1 7.9 7.4
SNOW RATIO (:1) 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK BK SC BK OV OV OV OV OV
CLOUD COVER (%) 25 15 10 20 15 20 50 60 60 50 40 65 75 80 85 95 75
TEMPERATURE 47 45 43 42 48 57 61 60 53 50 48 47 50 53 53 53 48
MIN/MAX TEMP 41 63 47 55
WIND CHILL
WIND DIR NW NW NW W W W SW S S SW SW SW SW S S SW W
WIND (MPH) 13 13 13 12 9 9 10 11 11 13 14 14 16 17 14 11 11
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 10 20 50 70 80 90 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.23 0.36
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) 6.5 6.2 6.1 6.1 6.2 6.8 7.3 7.6 7.6 7.4 7.2 7.6 8.0 8.4 8.3 8.1 7.6
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK BK SC BK OV OV OV OV OV
CLOUD COVER (%) 25 15 10 20 15 20 45 60 65 50 45 70 75 80 85 90 75
TEMPERATURE 50 47 44 43 50 60 64 63 56 52 51 49 52 55 57 55 51
MIN/MAX TEMP 37 65 48 58
WIND CHILL
WIND DIR NW NW NW NW NW W SW S S S S S S S S SW W
WIND (MPH) 6 5 5 4 4 6 9 10 6 6 6 5 5 9 10 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 10 30 50 70 80 90 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.04 0.16 0.28
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) 6.6 6.3 6.1 6.2 6.3 6.8 7.2 7.5 7.6 7.4 7.3 7.6 8.1 8.3 8.3 8.0 7.6
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK SC SC BK OV OV OV OV OV
CLOUD COVER (%) 20 5 10 10 10 20 40 60 65 50 45 65 80 80 85 90 70
TEMPERATURE 49 47 44 43 49 59 63 63 55 52 49 48 51 55 54 54 50
MIN/MAX TEMP 42 64 48 57
WIND CHILL
WIND DIR NW NW NW W W SW SW S S S SW SW SW S S SW W
WIND (MPH) 8 8 6 8 5 8 10 11 6 6 6 6 10 9 9 5 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 10 30 40 60 70 90 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.06 0.20 0.27
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) 6.6 6.2 6.1 6.1 6.3 6.6 7.1 7.5 7.5 7.4 7.3 7.6 8.2 8.3 8.2 8.0 7.6
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
...MOUNT OSCEOLA (4340 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK SC SC BK OV OV OV OV OV
CLOUD COVER (%) 20 5 10 10 15 20 40 60 65 50 50 70 80 80 80 90 70
TEMPERATURE 47 45 43 42 47 53 58 58 53 50 48 47 49 49 49 50 47
MIN/MAX TEMP 42 59 47 52
WIND CHILL
WIND DIR NW NW NW W W W SW SW S S S SW SW S SW SW W
WIND (MPH) 12 12 12 11 10 11 11 12 10 10 11 11 14 13 11 10 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 10 30 40 60 70 80 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.09 0.21 0.26
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) 6.6 6.3 6.2 6.2 6.3 6.6 7.1 7.5 7.5 7.4 7.3 7.7 8.1 8.3 8.2 8.0 7.5
SNOW RATIO (:1) 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1
...CANNON MOUNTAIN (4080 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK BK BK OV OV OV OV OV OV
CLOUD COVER (%) 25 10 10 20 20 20 45 60 65 55 50 75 80 80 85 90 70
TEMPERATURE 47 45 44 43 48 53 58 57 53 52 50 50 50 50 50 50 48
MIN/MAX TEMP 42 62 48 55
WIND CHILL
WIND DIR NW NW W W W W SW SW SW S S SW S S SW SW W
WIND (MPH) 12 11 11 11 10 11 12 13 12 13 14 14 18 16 13 12 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 20 30 50 70 80 80 60
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.16 0.14 0.23
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) 6.5 6.3 6.2 6.2 6.4 6.6 7.2 7.6 7.5 7.4 7.2 7.9 8.1 8.2 8.1 7.8 7.4
SNOW RATIO (:1) 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1
...BALDFACE MOUNTAIN (3547 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW SC FW FW SC BK BK SC SC BK OV OV OV OV OV
CLOUD COVER (%) 25 10 10 25 15 20 45 55 60 50 40 60 70 80 85 90 75
TEMPERATURE 53 50 48 47 52 62 67 66 58 54 52 51 53 57 59 57 54
MIN/MAX TEMP 42 68 50 61
WIND CHILL
WIND DIR NW W NW W W S SW S S S S S S S S S W
WIND (MPH) 5 5 5 5 3 4 6 6 5 4 3 3 3 5 6 5 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 10 20 40 60 80 90 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.20 0.33
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) 6.5 6.2 6.1 6.1 6.2 6.8 7.2 7.5 7.5 7.4 7.1 7.4 7.9 8.3 8.4 8.2 7.8
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
...MOUNT MOOSILAUKE (4802 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 FW FW FW FW FW FW SC BK BK BK BK OV OV OV OV OV BK
CLOUD COVER (%) 20 5 5 15 15 20 45 60 60 50 50 75 80 80 80 85 65
TEMPERATURE 46 45 43 43 47 53 58 58 53 51 49 48 49 50 50 50 47
MIN/MAX TEMP 43 58 48 52
WIND CHILL
WIND DIR NW NW W W W SW SW SW SW S S SW S S SW SW NW
WIND (MPH) 10 10 11 11 9 10 11 13 12 13 16 14 19 13 12 10 12
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 5 20 30 50 60 70 80 50
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.20 0.19 0.23
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) 6.5 6.3 6.2 6.2 6.4 6.6 7.1 7.5 7.5 7.3 7.3 7.9 8.1 8.3 7.9 7.7 7.4
SNOW RATIO (:1) 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 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.