Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
593
FWUS41 KGYX 282030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT THU AUG 28 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC BK OV OV OV OV BK BK SC SC SC SC BK BK SC
CLOUD COVER (%) 50 40 35 65 75 90 90 90 60 60 40 40 40 45 60 60 50
TEMPERATURE 43 42 41 41 40 41 42 42 40 38 37 36 36 38 40 39 36
MIN/MAX TEMP 39 43 35 42
WIND CHILL
WIND DIR SW SW SW SW SW SW SW W W W NW NW NW W W W NW
WIND (MPH) 23 25 27 29 31 31 24 24 19 21 24 26 26 21 21 24 25
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 30 70 70 80 40 30 10 10 20 20 30 40 20
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.27 0.29 0.07 0.00 0.04 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) 7.6 7.3 7.3 7.3 7.7 8.0 8.3 8.2 7.6 6.9 6.7 6.3 5.8 5.9 6.5 6.8 6.8
SNOW RATIO (:1) 1 1 1 2 2 1 1 1 2 2 3 3 4 4 4 4 4
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC OV OV OV OV OV BK SC SC BK SC SC BK BK BK
CLOUD COVER (%) 50 40 50 75 80 95 90 85 60 45 35 55 45 45 60 65 55
TEMPERATURE 53 51 49 49 50 52 52 52 48 46 44 44 44 49 51 49 45
MIN/MAX TEMP 48 54 42 54
WIND CHILL
WIND DIR SW SW SW SW SW SW SW W W NW NW NW NW W W W NW
WIND (MPH) 13 16 18 19 19 18 13 12 10 11 12 13 13 8 10 9 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 50 80 60 70 30 20 10 10 20 20 30 30 20
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.24 0.18 0.01 0.00 0.01 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) 7.6 7.2 7.3 7.3 7.7 8.0 8.1 8.2 7.6 6.5 6.6 6.0 5.9 6.0 6.5 6.9 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2 2 2
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC BK OV OV OV OV BK SC SC SC SC SC BK BK SC
CLOUD COVER (%) 45 40 35 65 75 90 95 90 60 45 45 40 40 45 55 55 45
TEMPERATURE 54 50 48 48 50 53 54 54 49 47 46 44 45 50 53 52 46
MIN/MAX TEMP 47 55 43 54
WIND CHILL
WIND DIR SW SW SW SW SW SW SW W W W NW NW NW W W W NW
WIND (MPH) 12 13 14 16 16 18 13 11 9 10 11 12 12 9 10 10 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 30 70 80 80 40 20 10 10 20 20 30 40 20
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.22 0.35 0.08 0.00 0.04 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) 7.6 7.3 7.4 7.3 7.6 8.0 8.3 8.2 7.7 7.0 6.7 6.4 5.7 5.9 6.5 6.8 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 2 2
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC OV OV OV OV OV BK SC SC SC SC SC BK BK BK
CLOUD COVER (%) 45 35 40 70 75 95 90 85 60 50 40 45 40 45 60 60 50
TEMPERATURE 56 53 51 50 53 56 57 55 52 49 47 45 47 52 56 54 48
MIN/MAX TEMP 48 58 45 57
WIND CHILL
WIND DIR S S S S S S S SW W NW NW NW NW W W W W
WIND (MPH) 8 6 6 6 6 9 10 6 4 5 5 5 6 8 10 10 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 40 80 70 80 30 20 10 10 20 20 30 40 20
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.35 0.22 0.03 0.00 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) 7.6 7.2 7.3 7.3 7.6 8.0 8.2 8.0 7.7 6.8 6.7 6.1 5.9 6.0 6.5 6.9 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC BK OV OV OV OV BK SC SC SC SC SC BK BK SC
CLOUD COVER (%) 50 35 45 70 75 90 90 85 60 45 25 35 30 30 50 55 40
TEMPERATURE 55 52 49 49 52 55 55 55 51 48 46 44 47 54 56 55 48
MIN/MAX TEMP 48 56 44 57
WIND CHILL
WIND DIR S S SW SW SW SW SW W NW NW NW NW NW W W W NW
WIND (MPH) 6 8 6 8 9 11 8 8 6 6 6 8 8 6 8 8 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 40 70 70 70 30 20 10 10 10 20 20 30 20
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.34 0.20 0.01 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) 7.6 7.2 7.4 7.4 7.7 8.1 8.4 8.1 7.7 6.9 6.7 6.1 5.7 5.9 6.4 6.9 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2
...MOUNT OSCEOLA (4340 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC OV OV OV OV OV SC SC SC SC SC SC BK BK SC
CLOUD COVER (%) 50 35 45 70 75 90 90 85 45 45 25 35 30 35 50 55 40
TEMPERATURE 53 51 49 48 50 49 50 50 48 46 45 43 45 48 51 50 46
MIN/MAX TEMP 47 52 43 53
WIND CHILL
WIND DIR SW SW S S SW SW SW W W NW NW NW NW W W W NW
WIND (MPH) 11 11 11 12 13 14 12 12 10 11 12 12 12 9 10 9 10
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 40 70 70 70 20 20 10 10 10 20 20 30 20
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.31 0.16 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) 7.6 7.3 7.4 7.4 7.8 8.1 8.4 8.0 7.7 6.8 6.6 6.0 5.7 6.0 6.4 7.0 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2 2 2
...CANNON MOUNTAIN (4080 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC OV OV OV OV OV BK SC SC BK SC SC BK BK BK
CLOUD COVER (%) 50 40 50 75 80 95 90 85 50 45 35 50 45 45 60 65 55
TEMPERATURE 54 52 51 50 51 50 51 50 48 47 46 44 45 48 51 49 46
MIN/MAX TEMP 48 54 44 55
WIND CHILL
WIND DIR SW SW S S SW SW SW W W NW NW NW NW W W W NW
WIND (MPH) 12 14 14 17 17 16 13 13 10 10 12 12 12 9 10 10 9
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 10 50 80 60 60 20 20 10 10 10 20 30 30 20
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.23 0.21 0.00 0.00 0.00 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) 7.6 7.2 7.3 7.4 7.8 8.0 8.1 8.1 7.5 6.5 6.5 5.9 5.9 6.1 6.5 6.9 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 1 2 2 2 2 2 2
...BALDFACE MOUNTAIN (3547 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC BK OV OV OV OV BK BK SC SC SC SC SC BK SC
CLOUD COVER (%) 45 45 35 60 70 90 95 90 65 60 50 30 35 35 50 55 40
TEMPERATURE 59 54 52 51 53 58 59 57 54 52 50 49 50 57 60 59 52
MIN/MAX TEMP 50 60 48 61
WIND CHILL
WIND DIR S SW SW SW SW S S SE SW NW NW NW NW W W W NW
WIND (MPH) 5 5 4 3 3 5 6 5 2 4 5 5 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 5 20 60 80 90 40 40 10 10 20 20 30 30 20
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.32 0.62 0.13 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) 7.5 7.3 7.4 7.2 7.5 7.9 8.6 8.4 8.1 7.3 6.9 6.4 5.9 5.9 6.5 6.9 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 2
...MOUNT MOOSILAUKE (4802 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 SC SC SC OV OV OV OV OV SC SC SC SC SC SC BK BK SC
CLOUD COVER (%) 45 40 50 70 90 95 90 80 45 35 35 45 40 40 60 60 45
TEMPERATURE 52 51 49 49 50 50 50 50 47 46 44 44 44 48 50 49 46
MIN/MAX TEMP 48 51 43 52
WIND CHILL
WIND DIR SW SW S S SW SW SW W NW NW NW NW NW W W W NW
WIND (MPH) 12 13 14 16 16 16 12 12 10 9 10 11 11 6 8 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 10 60 80 70 60 20 10 10 10 10 20 20 30 20
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.04 0.30 0.22 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) 7.5 7.3 7.2 7.4 7.8 8.1 8.1 7.9 7.4 6.5 6.3 5.9 5.8 6.0 6.5 6.9 6.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 1 2 2 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.