Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
583
FWUS41 KGYX 030830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT WED SEP 3 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW BK SC SC FW FW FW FW FW FW FW SC BK OV OV OV
CLOUD COVER (%) 10 25 55 45 30 15 15 20 10 10 20 25 45 65 80 90 75
TEMPERATURE 46 50 51 52 47 44 43 42 45 48 50 50 47 45 46 46 46
MAX/MIN TEMP 52 41 52 44
WIND CHILL
WIND DIR W SW SW SW SW SW SW SW S S S S S S S S S
WIND (MPH) 9 6 9 11 16 16 16 14 16 24 21 24 31 37 36 32 28
WIND GUST (MPH)
PRECIP PROB (%) 0 5 30 20 0 0 0 0 0 0 0 0 20 30 50 80 70
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.15 0.03 0.00 0.00 0.00 0.00 0.03 0.31
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) 8.5 8.7 9.0 8.8 8.8 8.7 8.2 8.0 7.6 7.9 8.1 8.7 9.4 10.1 10.1 10.6 10.3
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW SC SC SC FW FW FW FW FW FW SC SC OV OV OV OV
CLOUD COVER (%) 10 20 50 45 25 10 10 15 5 5 25 25 50 75 85 95 80
TEMPERATURE 54 62 63 62 57 55 51 50 54 61 64 63 57 55 53 53 54
MAX/MIN TEMP 64 48 65 52
WIND CHILL
WIND DIR W W SW SW S S SW SW S S S S S SE S S S
WIND (MPH) 5 3 6 6 6 8 8 8 8 11 13 14 14 14 13 12 10
WIND GUST (MPH)
PRECIP PROB (%) 0 5 30 10 0 0 0 0 0 0 0 0 20 40 60 80 70
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.22
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) 8.4 8.5 8.8 8.9 8.8 8.5 8.1 7.9 7.7 7.9 8.2 8.8 9.6 10.2 10.5 10.6 10.3
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW BK SC SC FW FW FW FW FW FW FW SC BK OV OV OV
CLOUD COVER (%) 10 25 55 45 30 15 20 20 10 10 20 25 45 65 80 90 75
TEMPERATURE 55 63 63 63 56 53 51 50 54 62 65 63 56 54 53 53 54
MAX/MIN TEMP 63 48 65 52
WIND CHILL
WIND DIR W S S S S SW SW SW S S S S S S S S S
WIND (MPH) 3 3 5 5 6 6 6 6 6 11 13 13 13 13 12 11 10
WIND GUST (MPH)
PRECIP PROB (%) 0 5 30 20 0 0 0 0 0 0 0 0 10 30 50 80 70
PRECIP TYPE R R R R R R
6 HOUR QPF 0.19 0.00 0.00 0.00 0.00 0.00 0.04 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) 8.5 8.6 9.0 8.8 8.7 8.7 8.2 8.0 7.6 7.9 8.1 8.7 9.4 10.1 10.1 10.6 10.4
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW BK SC SC FW FW FW FW FW FW SC SC BK OV OV OV
CLOUD COVER (%) 10 25 55 45 30 10 15 20 10 10 20 25 45 70 85 95 80
TEMPERATURE 57 66 66 67 57 52 48 47 54 66 68 67 59 56 56 55 56
MAX/MIN TEMP 67 46 68 54
WIND CHILL
WIND DIR N W SW S SE S SE S S S S S S SE S S S
WIND (MPH) 2 2 5 5 4 4 3 3 3 10 12 12 12 11 10 9 8
WIND GUST (MPH)
PRECIP PROB (%) 0 5 30 20 0 0 0 0 0 0 0 0 20 40 60 80 70
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.01 0.00 0.00 0.00 0.00 0.00 0.05 0.20
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) 8.4 8.7 8.9 8.7 8.8 8.7 8.2 7.9 7.7 8.0 8.1 8.7 9.5 10.1 10.3 10.7 10.3
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW SC SC SC FW FW FW FW FW FW SC BK BK OV OV OV
CLOUD COVER (%) 5 20 50 45 30 10 15 20 10 5 25 25 50 70 85 95 75
TEMPERATURE 55 64 66 65 58 54 52 51 57 64 67 66 57 55 54 54 56
MAX/MIN TEMP 66 49 68 53
WIND CHILL
WIND DIR NW SW S SW S SW SW SW SW S S S S S S S S
WIND (MPH) 3 3 4 4 3 2 3 3 3 9 10 10 9 9 8 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 20 0 0 0 0 0 0 0 0 20 40 60 80 60
PRECIP TYPE T R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.19
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) 8.4 8.5 8.7 8.9 8.8 8.5 8.1 7.8 7.6 7.9 8.2 8.8 9.5 10.1 10.4 10.7 10.3
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW SC SC SC FW FW FW FW FW FW SC BK BK OV OV OV
CLOUD COVER (%) 5 20 45 45 35 10 15 15 10 5 25 25 50 70 85 95 80
TEMPERATURE 53 59 61 60 56 53 49 49 53 59 62 61 55 53 53 52 53
MAX/MIN TEMP 62 48 63 52
WIND CHILL
WIND DIR NW SW SW SW S S SW SW S S S S S SE S S S
WIND (MPH) 4 3 5 5 5 5 5 5 5 10 12 12 14 16 14 13 11
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 20 0 0 0 0 0 0 0 0 20 40 60 80 60
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.19
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) 8.4 8.5 8.6 8.9 8.7 8.4 8.1 7.8 7.6 7.8 8.2 8.9 9.6 10.1 10.4 10.7 10.3
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW SC SC FW FW FW FW FW CL FW SC SC OV OV OV OV
CLOUD COVER (%) 10 15 45 40 25 10 5 15 5 5 25 30 50 75 85 95 80
TEMPERATURE 55 61 62 62 58 53 50 49 53 59 64 63 58 55 54 55 54
MAX/MIN TEMP 65 48 66 53
WIND CHILL
WIND DIR W W SW S S S S S S S S S S SE S S S
WIND (MPH) 4 4 5 5 6 9 9 8 8 12 12 14 17 18 18 16 12
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 10 0 0 0 0 0 0 0 0 20 50 60 80 70
PRECIP TYPE R R R R R R
6 HOUR QPF 0.02 0.00 0.00 0.00 0.00 0.00 0.09 0.18
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) 8.4 8.5 8.7 8.8 8.7 8.5 8.2 7.9 7.7 7.8 8.2 8.8 9.7 10.2 10.5 10.6 10.2
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW BK SC SC FW FW SC FW FW FW SC SC BK OV OV OV
CLOUD COVER (%) 10 15 55 40 30 15 25 30 20 10 20 25 40 60 85 90 75
TEMPERATURE 58 67 69 67 59 54 52 51 54 66 70 68 60 57 57 57 58
MAX/MIN TEMP 69 49 70 55
WIND CHILL
WIND DIR N SE S S S SW SW SW SW S S S S S S S S
WIND (MPH) 2 2 4 4 3 2 2 2 2 6 10 11 9 8 6 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 5 30 20 0 0 0 0 0 0 0 0 10 20 50 70 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.13
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) 8.4 8.4 9.0 8.9 8.9 8.6 8.1 8.0 7.6 7.7 8.0 8.6 9.2 10.0 9.8 10.6 10.4
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 WEDNESDAY 09/03/25 THURSDAY 09/04/25
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 FW SC SC SC FW FW FW FW CL FW SC SC OV OV OV OV
CLOUD COVER (%) 15 10 35 40 25 10 5 15 5 5 20 30 50 75 85 95 80
TEMPERATURE 52 59 62 61 56 53 51 50 54 59 63 62 57 55 53 53 53
MAX/MIN TEMP 62 49 63 52
WIND CHILL
WIND DIR W W SW S S S S S S S S S S SE SE SE S
WIND (MPH) 4 3 4 5 5 8 8 8 8 10 12 13 16 17 16 13 10
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 10 0 0 0 0 0 0 0 0 20 50 70 80 60
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.05 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) 8.4 8.4 8.4 8.8 8.7 8.3 8.1 7.8 7.7 7.9 8.3 9.0 9.8 10.1 10.5 10.6 10.2
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.