Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
311
FWUS41 KGYX 110830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT MON AUG 11 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE MONDAY 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW SC FW CL FW FW FW FW
CLOUD COVER (%) 10 20 35 15 10 15 10 15 10 10 30 20 5 10 5 20 15
TEMPERATURE 58 64 64 65 61 59 59 57 58 63 66 66 61 58 57 56 58
MAX/MIN TEMP 65 56 67 56
WIND CHILL
WIND DIR NW E S W W W W W SW SW SW W S S SW SW SW
WIND (MPH) 10 1 5 8 12 16 12 11 8 6 8 10 16 16 17 16 13
WIND GUST (MPH)
PRECIP PROB (%) 0 10 20 20 5 0 0 0 0 0 20 20 10 0 0 5 10
PRECIP TYPE R R R 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 12.7 12.9 12.7 12.6 12.5 12.1 12.0 11.6 11.8 11.3 12.1 12.1 11.7 11.7 11.9 12.0
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW FW FW CL FW FW FW FW
CLOUD COVER (%) 10 15 30 15 5 10 15 15 10 10 15 20 5 5 10 20 15
TEMPERATURE 69 74 77 77 70 67 65 64 67 74 77 76 68 65 63 62 67
MAX/MIN TEMP 79 62 78 62
WIND CHILL
WIND DIR NW S SW SW W W W W SW SW SW SW S S S S S
WIND (MPH) 4 1 6 5 6 6 5 4 3 4 8 6 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 10 20 20 5 0 0 0 0 0 10 20 10 0 5 5 10
PRECIP TYPE R R R
6 HOUR QPF 0.00 0.01 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 12.5 12.8 12.9 12.6 12.2 11.9 11.7 11.3 11.5 11.4 12.0 11.8 11.7 11.7 11.8 11.9
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW SC FW CL FW FW FW FW
CLOUD COVER (%) 10 20 35 15 10 10 10 15 10 10 30 20 5 10 5 15 10
TEMPERATURE 69 76 77 77 71 67 65 64 68 77 79 78 70 65 64 63 68
MAX/MIN TEMP 78 63 79 63
WIND CHILL
WIND DIR NW SE S SW W W W W W S SW SW SW SW W W SW
WIND (MPH) 4 2 4 4 6 8 5 5 3 3 4 5 5 5 6 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 10 20 20 5 0 0 0 0 0 20 20 10 0 0 5 10
PRECIP TYPE R R R 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 12.7 12.9 12.7 12.6 12.5 12.1 12.0 11.6 11.8 11.3 12.1 12.1 11.8 11.7 11.9 11.9
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW SC FW CL FW FW FW FW
CLOUD COVER (%) 10 20 35 15 10 10 10 15 10 10 25 20 5 10 10 20 15
TEMPERATURE 71 80 82 81 74 68 65 63 67 77 81 80 72 67 65 64 69
MAX/MIN TEMP 83 62 82 64
WIND CHILL
WIND DIR N S S S S S N N N SW SW SW S S SW SW SW
WIND (MPH) 2 2 4 4 4 3 4 3 2 3 5 5 4 3 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 10 20 20 5 0 0 0 0 0 20 20 10 0 0 5 10
PRECIP TYPE R R R 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 12.5 12.6 12.8 12.5 12.4 12.0 11.9 11.5 11.7 11.3 12.1 12.0 11.8 11.7 11.9 11.9
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW SC FW CL FW FW FW FW
CLOUD COVER (%) 5 15 25 15 10 5 15 15 10 10 30 20 5 5 10 15 10
TEMPERATURE 67 77 79 81 73 68 65 65 69 77 80 79 71 67 64 63 69
MAX/MIN TEMP 81 63 81 63
WIND CHILL
WIND DIR NW S S SW W W W NW W S SW SW SW W W W W
WIND (MPH) 2 3 5 4 3 3 4 4 1 3 6 6 2 3 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 10 20 10 5 0 0 0 0 0 20 20 10 0 0 5 10
PRECIP TYPE R R 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) 12.4 12.5 12.8 12.6 12.4 12.2 12.0 11.9 11.4 11.7 11.3 12.1 12.0 11.7 11.6 11.9 11.9
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 08/11/25 TUESDAY 08/12/25
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 FW FW CL FW FW FW FW SC FW CL CL FW FW FW
CLOUD COVER (%) 5 15 25 15 10 5 15 15 10 10 30 20 5 5 10 20 10
TEMPERATURE 66 72 75 75 69 66 64 63 66 72 75 75 68 65 63 62 66
MAX/MIN TEMP 76 62 76 62
WIND CHILL
WIND DIR NW S S SW W W W NW W SW SW SW SW S W W SW
WIND (MPH) 4 1 5 5 5 6 6 5 3 4 8 8 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 10 5 0 0 0 0 0 20 20 10 0 0 5 10
PRECIP TYPE R R 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) 12.4 12.4 12.7 12.6 12.4 12.1 12.0 11.8 11.3 11.6 11.4 12.1 12.0 11.7 11.6 11.8 11.9
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW FW FW CL FW FW FW FW
CLOUD COVER (%) 10 15 25 15 5 10 15 15 10 10 15 20 5 5 15 25 15
TEMPERATURE 69 74 77 78 73 68 66 65 68 72 77 76 69 67 65 64 67
MAX/MIN TEMP 79 63 79 64
WIND CHILL
WIND DIR NW S SW SW W W W W SW SW SW SW S S S S S
WIND (MPH) 4 1 6 5 6 6 6 5 3 4 8 8 5 8 8 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 10 5 0 0 0 0 0 10 20 10 0 5 5 10
PRECIP TYPE R R
6 HOUR QPF 0.00 0.01 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) 12.3 12.4 12.8 12.8 12.6 12.2 11.9 11.7 11.3 11.3 11.4 11.9 11.8 11.6 11.7 11.8 12.0
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW SC FW CL FW FW FW FW
CLOUD COVER (%) 10 15 30 10 10 15 10 15 10 5 30 20 5 10 5 15 10
TEMPERATURE 73 83 85 83 75 70 69 67 70 80 85 83 74 69 67 66 70
MAX/MIN TEMP 85 65 85 66
WIND CHILL
WIND DIR NW SE S SW SW W W NW S S S S S W W W W
WIND (MPH) 2 3 4 5 3 3 4 4 2 2 4 4 2 2 3 3 2
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 20 5 0 0 0 0 0 20 20 10 0 0 5 10
PRECIP TYPE R R R 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 12.5 12.7 12.6 12.6 12.5 12.2 12.0 11.9 12.0 11.4 12.1 12.1 11.9 11.8 12.0 11.9
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 08/11/25 TUESDAY 08/12/25
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 FW FW FW FW FW FW FW FW FW FW CL FW FW FW FW
CLOUD COVER (%) 10 10 15 15 5 5 15 15 10 5 10 15 5 5 15 25 20
TEMPERATURE 65 71 75 75 70 66 64 62 67 71 75 75 68 65 63 63 66
MAX/MIN TEMP 76 62 76 63
WIND CHILL
WIND DIR NW S S SW W W W W SW SW SW SW S S SE SE S
WIND (MPH) 3 2 6 5 6 6 5 4 3 4 8 8 5 5 6 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 5 10 10 5 0 0 0 0 0 10 20 10 0 0 5 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) 12.3 12.3 12.5 12.5 12.3 12.1 11.9 11.5 11.2 11.0 11.4 11.8 11.8 11.6 11.5 11.8 12.0
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.