Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
298
FWUS41 KGYX 280830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT THU AUG 28 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 SC BK SC SC OV OV OV OV OV OV OV OV OV SC
CLOUD COVER (%) 10 15 20 40 55 45 35 75 90 90 90 95 75 75 80 75 50
TEMPERATURE 37 43 47 47 44 42 41 41 39 41 43 42 39 38 38 36 36
MAX/MIN TEMP 49 39 43 36
WIND CHILL
WIND DIR W W SW S S SW SW SW S S S S W NW NW NW W
WIND (MPH) 16 19 21 25 25 25 26 25 23 24 21 17 17 19 20 21 24
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 40 80 90 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.28 0.55 0.05 0.01
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) 6.3 6.9 7.3 7.7 7.6 7.2 7.1 7.3 7.6 8.0 8.1 8.1 7.2 6.8 6.3 6.3 6.1
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 2 2 1 1 2 2 3 3 3
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK SC SC OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 10 15 30 40 55 45 45 85 90 90 90 95 70 75 80 75 50
TEMPERATURE 46 54 59 59 53 51 49 49 50 52 54 52 48 47 44 43 45
MAX/MIN TEMP 62 48 55 43
WIND CHILL
WIND DIR W SW SW S S S S S S S S SW NW NW NW NW NW
WIND (MPH) 5 9 10 10 8 10 10 10 9 10 9 8 5 5 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 10 50 80 90 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.03 0.32 0.37 0.04 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) 6.4 6.7 7.3 7.7 7.5 7.2 7.3 7.4 7.6 7.9 8.0 7.8 7.2 6.5 6.1 6.2 6.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 SC BK SC SC OV OV OV OV OV OV OV OV OV SC
CLOUD COVER (%) 10 15 25 40 55 45 35 75 90 90 90 95 75 70 80 75 50
TEMPERATURE 47 57 61 62 56 51 49 48 49 53 55 53 48 47 46 44 46
MAX/MIN TEMP 62 47 55 44
WIND CHILL
WIND DIR W SW SW S S S SW SW S S S S NW NW NW NW NW
WIND (MPH) 5 8 10 10 10 10 10 9 9 10 10 8 6 8 8 9 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 40 80 90 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.29 0.45 0.03 0.01
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) 6.3 6.9 7.3 7.8 7.7 7.3 7.1 7.3 7.5 7.9 8.1 8.2 7.3 6.9 6.4 6.3 6.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 2
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 SC BK SC SC OV OV OV OV OV OV OV OV OV SC
CLOUD COVER (%) 10 15 25 40 55 45 35 80 90 90 90 95 75 75 80 75 50
TEMPERATURE 51 60 64 64 57 53 50 50 52 56 58 56 51 49 47 45 47
MAX/MIN TEMP 65 49 58 45
WIND CHILL
WIND DIR W W SW S S S S S S S S SW NW NW NW NW W
WIND (MPH) 4 8 10 10 6 6 6 6 6 9 10 6 5 5 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 40 80 90 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.17 0.35 0.04 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) 6.3 6.8 7.2 7.7 7.6 7.2 7.1 7.3 7.6 8.0 8.0 7.9 7.2 6.8 6.3 6.2 6.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 2
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK SC SC OV OV OV OV OV OV BK OV BK SC
CLOUD COVER (%) 10 15 30 45 55 45 40 80 85 85 90 95 70 65 75 65 40
TEMPERATURE 45 57 63 63 55 52 49 49 51 54 56 55 50 48 46 44 47
MAX/MIN TEMP 64 48 56 44
WIND CHILL
WIND DIR W SW SW S S SW SW SW S S S SW NW NW NW NW NW
WIND (MPH) 4 6 8 8 5 5 5 4 5 6 6 5 4 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 40 80 80 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.23 0.32 0.02 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) 6.3 6.6 7.2 7.7 7.6 7.2 7.2 7.5 7.6 7.9 8.0 7.6 7.3 6.7 6.2 6.2 6.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 2
...MOUNT OSCEOLA (4340 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK SC SC OV OV OV OV OV OV BK OV BK SC
CLOUD COVER (%) 5 15 30 45 55 45 45 80 85 85 90 90 70 70 75 65 40
TEMPERATURE 43 50 57 58 53 51 49 48 49 49 51 50 48 47 45 43 45
MAX/MIN TEMP 59 47 51 43
WIND CHILL
WIND DIR W SW SW S S S S S S S S SW NW NW NW NW NW
WIND (MPH) 5 8 10 9 9 9 9 9 9 9 9 6 8 9 10 9 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 40 80 80 90 60 30 20 10 10
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.01 0.21 0.36 0.02 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) 6.3 6.6 7.2 7.7 7.6 7.3 7.2 7.6 7.7 7.9 8.0 7.6 7.3 6.6 6.2 6.2 6.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 2 2
...CANNON MOUNTAIN (4080 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 BK SC SC OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 10 15 30 35 55 45 50 85 90 90 90 90 70 75 80 75 50
TEMPERATURE 47 54 60 59 54 52 51 51 50 51 53 51 48 48 46 45 46
MAX/MIN TEMP 63 49 55 44
WIND CHILL
WIND DIR SW SW SW S S S S S S S S SW NW NW NW NW NW
WIND (MPH) 6 9 10 10 10 13 13 13 10 10 9 8 6 8 8 8 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 10 50 80 90 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.04 0.43 0.35 0.04 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) 6.4 6.6 7.3 7.7 7.5 7.3 7.3 7.5 7.6 7.9 8.0 7.8 7.2 6.5 6.1 6.2 6.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2
...BALDFACE MOUNTAIN (3547 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 SC SC SC SC BK OV OV OV OV OV BK OV OV SC
CLOUD COVER (%) 15 10 20 35 45 45 30 70 85 85 90 95 75 70 75 75 45
TEMPERATURE 52 62 67 66 59 54 52 51 52 57 60 58 54 52 51 48 50
MAX/MIN TEMP 68 50 60 48
WIND CHILL
WIND DIR W SW SW S S SW SW SW S S S S NW NW NW NW NW
WIND (MPH) 3 5 8 8 5 4 4 3 3 5 6 5 3 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 0 30 80 80 90 60 30 20 10 20
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.15 0.36 0.02 0.01
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) 6.3 6.9 7.3 7.6 7.6 7.2 7.1 7.4 7.6 7.9 8.1 8.1 7.5 7.0 6.5 6.3 6.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 2
...MOUNT MOOSILAUKE (4802 FT)...
DATE THURSDAY 08/28/25 FRIDAY 08/29/25
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 SC SC OV OV OV OV OV BK BK OV BK SC
CLOUD COVER (%) 15 10 35 45 50 40 45 85 85 85 90 90 70 70 70 65 45
TEMPERATURE 43 52 58 58 53 51 50 49 49 50 51 50 47 47 45 44 46
MAX/MIN TEMP 59 48 52 44
WIND CHILL
WIND DIR SW SW SW S S S S S S S S W NW NW NW NW NW
WIND (MPH) 5 8 9 9 9 11 12 11 10 9 8 5 5 6 6 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 10 50 80 80 80 50 20 20 10 10
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.05 0.32 0.27 0.03 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) 6.4 6.6 7.2 7.5 7.5 7.3 7.3 7.6 7.8 7.9 8.0 7.9 7.1 6.4 6.0 6.1 6.0
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2
$$
--- 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.