Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
638
FWUS41 KGYX 212030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT THU AUG 21 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 5 5 5 0 0 20 15 10 15 20 20 15 15 40 45 45
TEMPERATURE 45 43 42 42 45 50 54 54 49 48 47 46 49 54 57 57 53
MIN/MAX TEMP 39 55 45 58
WIND CHILL
WIND DIR NE NE NE NE N N NW NW NW NW W W SW SW SW S S
WIND (MPH) 19 24 26 26 27 24 18 17 18 13 13 19 17 14 21 27 32
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.1 9.1 8.9 8.7 8.5 8.5 8.9 9.2 9.2 9.1 9.5 9.9 10.5 10.6 10.9 11.2 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 5 5 5 0 0 15 10 5 15 20 20 15 15 40 40 50
TEMPERATURE 54 51 49 48 54 61 65 65 58 55 54 52 59 65 69 68 63
MIN/MAX TEMP 46 67 51 71
WIND CHILL
WIND DIR NE NE NE NE N N N NW NW NW W W S SW SW S S
WIND (MPH) 9 11 12 13 13 13 12 12 8 4 4 8 5 5 9 10 10
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.2 9.2 8.9 8.8 8.6 8.5 8.8 9.2 9.1 9.3 9.6 10.0 10.4 10.7 10.9 11.1 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 5 5 5 0 0 20 15 10 15 20 15 10 15 40 45 45
TEMPERATURE 54 51 49 48 54 63 67 67 59 56 54 53 59 67 70 70 63
MIN/MAX TEMP 46 68 52 71
WIND CHILL
WIND DIR NE NE NE NE N N N NW NW NW W W SW SW SW S S
WIND (MPH) 9 11 12 13 13 13 11 10 8 4 6 9 5 5 10 11 11
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.1 9.0 8.9 8.7 8.5 8.5 8.9 9.2 9.2 9.2 9.5 9.9 10.5 10.6 10.9 11.2 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 5 5 5 0 0 20 15 10 15 20 20 15 15 40 45 45
TEMPERATURE 57 53 51 49 57 66 70 69 62 58 55 52 62 70 74 73 66
MIN/MAX TEMP 46 71 51 75
WIND CHILL
WIND DIR SE E E N N N NW N N NW NW SW SW SW SW S S
WIND (MPH) 5 3 4 5 5 8 9 9 5 3 3 3 3 5 10 10 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.2 9.1 8.9 8.8 8.6 8.5 8.9 9.3 9.2 9.2 9.6 10.0 10.4 10.7 10.9 11.2 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL FW CL CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 0 5 5 0 5 15 15 10 15 20 15 10 15 35 40 45
TEMPERATURE 55 51 50 49 57 66 70 69 61 58 55 54 61 69 73 72 65
MIN/MAX TEMP 46 70 53 74
WIND CHILL
WIND DIR NE NE NE NE N N N NW NW NW W W W SW SW S S
WIND (MPH) 5 6 8 8 8 10 9 8 5 2 4 4 3 5 8 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.2 9.0 9.0 8.8 8.6 8.5 8.9 9.2 9.2 9.3 9.6 10.0 10.4 10.6 10.9 11.1 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL FW CL CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 0 5 5 0 5 15 15 10 15 20 15 10 15 35 40 50
TEMPERATURE 53 50 49 48 55 61 65 64 59 56 54 53 59 65 68 67 62
MIN/MAX TEMP 46 66 52 69
WIND CHILL
WIND DIR NE NE NE NE N N NW NW NW NW W W SW SW SW S S
WIND (MPH) 9 11 12 12 12 12 11 10 9 5 5 8 4 5 9 10 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.2 9.1 9.0 8.8 8.6 8.5 8.9 9.2 9.2 9.3 9.6 10.0 10.3 10.7 10.9 11.1 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 5 5 5 0 0 15 10 5 15 20 15 10 15 35 40 50
TEMPERATURE 56 53 51 50 55 59 65 64 59 57 55 53 59 64 68 68 63
MIN/MAX TEMP 47 69 52 72
WIND CHILL
WIND DIR NE NE NE NE N N N NW NW NW W W S SW SW S S
WIND (MPH) 9 11 12 12 12 13 12 12 8 4 5 8 5 6 9 11 13
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.3 9.2 8.9 8.8 8.6 8.5 8.8 9.2 9.1 9.3 9.6 10.0 10.4 10.8 10.9 11.1 11.1
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 5 10 5 0 0 20 15 15 20 15 15 10 15 40 40 45
TEMPERATURE 58 53 54 52 59 68 74 73 66 61 59 56 63 72 76 75 68
MIN/MAX TEMP 49 75 55 77
WIND CHILL
WIND DIR SE NE NE N N N N N N NW W W SW S S S S
WIND (MPH) 3 3 5 5 5 5 5 5 4 4 3 3 2 4 6 9 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.0 9.0 8.9 8.7 8.5 8.4 8.9 9.2 9.2 9.2 9.4 9.9 10.3 10.5 10.9 11.1 11.2
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 FRIDAY 08/22/25 SATURDAY 08/23/25
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 CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC SC
CLOUD COVER (%) 5 0 5 5 0 0 10 10 5 15 15 15 10 15 35 40 50
TEMPERATURE 54 50 48 48 54 60 64 64 58 55 53 52 58 64 68 67 62
MIN/MAX TEMP 46 65 52 69
WIND CHILL
WIND DIR NE NE NE NE N N N NW N NW W W SE SW SW S S
WIND (MPH) 8 9 10 12 12 12 11 13 8 6 4 6 5 5 6 9 10
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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) 9.2 9.1 9.0 8.8 8.6 8.6 8.8 9.1 9.2 9.4 9.6 10.1 10.4 10.8 10.9 11.1 11.1
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.