Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
413
FWUS41 KGYX 290830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT FRI AUG 29 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV OV SC SC BK BK SC SC SC BK SC
CLOUD COVER (%) 85 85 95 90 70 75 80 75 50 50 55 55 40 45 45 55 35
TEMPERATURE 40 41 43 42 39 38 37 36 35 37 39 38 36 36 37 36 37
MAX/MIN TEMP 43 35 40 35
WIND CHILL
WIND DIR SW S SW W W W W NW NW W W W W W W NW NW
WIND (MPH) 27 24 21 21 23 24 25 26 26 24 24 27 28 34 37 32 29
WIND GUST (MPH)
PRECIP PROB (%) 20 60 80 80 30 10 5 5 20 30 30 30 20 5 5 0 5
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.21 0.37 0.06 0.00 0.00 0.02 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 7.9 8.2 7.9 7.5 6.7 6.4 5.8 5.8 6.1 6.3 6.8 6.7 6.8 6.8 7.0 7.2
SNOW RATIO (:1) 2 2 1 1 2 2 3 3 3 4 4 3 3 3 2 2 2
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV OV BK BK BK BK SC SC SC BK SC
CLOUD COVER (%) 85 90 90 80 65 85 85 80 55 50 65 60 45 50 50 55 35
TEMPERATURE 50 51 53 52 48 46 44 43 44 47 50 50 45 45 44 43 45
MAX/MIN TEMP 54 42 52 43
WIND CHILL
WIND DIR S S SW W W NW NW NW NW NW W W W W NW NW NW
WIND (MPH) 14 13 11 11 11 11 11 12 12 11 13 14 13 8 8 9 9
WIND GUST (MPH)
PRECIP PROB (%) 30 80 80 70 20 10 5 5 20 20 30 30 20 5 5 5 5
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.20 0.21 0.03 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) 7.7 7.9 8.1 7.7 7.2 6.6 6.0 5.9 5.8 6.1 6.3 6.7 6.8 6.9 6.9 7.1 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 1 1 1 2 1 1 1 2 1 1 1
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV OV SC SC BK BK SC SC SC SC SC
CLOUD COVER (%) 85 85 95 90 70 75 80 70 45 50 55 55 40 40 40 50 30
TEMPERATURE 49 53 55 53 48 46 46 44 45 50 53 51 46 45 44 43 45
MAX/MIN TEMP 55 43 53 42
WIND CHILL
WIND DIR SW S SW W W NW NW NW NW W W W W W W NW NW
WIND (MPH) 14 13 11 9 10 11 12 12 12 12 12 13 13 12 12 12 13
WIND GUST (MPH)
PRECIP PROB (%) 20 60 90 80 30 10 5 5 20 20 30 30 20 5 5 0 5
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.16 0.44 0.04 0.00 0.00 0.01 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 7.9 8.2 7.8 7.4 6.7 6.4 5.8 5.8 6.1 6.3 6.8 6.7 6.8 6.8 7.0 7.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV OV SC SC BK BK SC SC SC BK SC
CLOUD COVER (%) 85 85 95 90 70 80 85 75 45 45 60 55 45 45 45 55 35
TEMPERATURE 52 56 58 57 51 49 47 45 46 51 55 54 48 47 47 44 48
MAX/MIN TEMP 59 44 56 44
WIND CHILL
WIND DIR S S S W NW NW NW NW NW NW W NW NW W W NW NW
WIND (MPH) 6 9 10 6 4 5 5 6 8 9 11 10 8 6 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 20 70 80 80 30 10 5 5 20 20 30 30 20 5 5 5 5
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.12 0.30 0.06 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) 7.6 7.9 8.2 7.8 7.4 6.7 6.2 5.8 5.8 6.1 6.3 6.7 6.8 6.9 6.9 7.0 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV BK FW SC SC SC SC SC SC SC FW
CLOUD COVER (%) 85 85 95 85 65 75 75 60 25 35 50 50 30 30 35 40 20
TEMPERATURE 51 55 56 56 50 47 46 44 46 53 56 55 48 47 46 44 48
MAX/MIN TEMP 57 43 56 44
WIND CHILL
WIND DIR SW S SW W NW NW NW NW NW NW W W W NW NW NW NW
WIND (MPH) 8 8 5 6 6 8 8 8 8 9 11 11 9 8 8 9 9
WIND GUST (MPH)
PRECIP PROB (%) 30 70 80 80 20 10 5 5 20 20 20 20 10 5 5 0 5
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.20 0.15 0.01 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) 7.7 7.9 8.2 7.8 7.3 6.8 6.2 5.8 5.8 6.1 6.3 6.7 6.9 6.9 6.9 7.0 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1
...MOUNT OSCEOLA (4340 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV BK SC SC SC BK SC SC SC SC FW
CLOUD COVER (%) 85 85 90 85 65 75 75 60 25 35 50 50 30 30 35 40 20
TEMPERATURE 49 50 51 51 48 46 44 42 44 48 50 50 45 45 45 43 46
MAX/MIN TEMP 52 42 51 43
WIND CHILL
WIND DIR S S SW W W NW NW NW NW NW W W W NW NW NW NW
WIND (MPH) 11 11 9 11 11 12 12 12 12 12 13 14 14 14 16 13 12
WIND GUST (MPH)
PRECIP PROB (%) 30 70 80 80 20 10 5 5 10 10 20 20 10 5 5 0 5
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.17 0.12 0.01 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) 7.7 7.9 8.3 7.8 7.3 6.8 6.1 5.8 5.8 6.2 6.3 6.7 6.9 6.9 7.0 7.0 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 1 1 1 2 1 2 2 1 1 1 1
...CANNON MOUNTAIN (4080 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV OV BK BK BK BK SC SC SC BK SC
CLOUD COVER (%) 85 90 90 80 65 85 85 80 55 50 65 65 50 50 50 55 35
TEMPERATURE 50 51 53 52 48 47 46 45 43 46 50 49 46 46 45 44 46
MAX/MIN TEMP 55 43 53 44
WIND CHILL
WIND DIR S S SW W W NW NW NW NW NW W W W W NW NW NW
WIND (MPH) 13 13 10 11 11 12 11 12 12 12 12 14 13 10 11 10 11
WIND GUST (MPH)
PRECIP PROB (%) 40 80 80 70 20 10 5 5 20 20 20 30 20 5 5 5 5
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.19 0.15 0.02 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) 7.6 7.9 8.0 7.7 7.0 6.5 6.0 5.9 5.8 6.0 6.3 6.7 6.9 6.9 6.9 7.1 7.3
SNOW RATIO (:1) 0 0 0 0 0 1 1 1 1 2 1 2 2 2 1 1 1
...BALDFACE MOUNTAIN (3547 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV OV BK OV BK SC SC SC BK SC SC SC SC FW
CLOUD COVER (%) 85 85 95 90 70 70 75 60 35 35 50 50 30 25 30 35 20
TEMPERATURE 52 58 60 58 53 52 50 48 49 56 59 58 52 49 48 46 50
MAX/MIN TEMP 60 47 60 45
WIND CHILL
WIND DIR SW S S S W NW NW NW NW NW W NW NW W W NW NW
WIND (MPH) 3 5 6 5 2 4 5 5 5 5 6 6 5 6 6 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 50 90 90 30 10 5 5 20 20 20 30 20 5 0 0 5
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.16 0.37 0.05 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) 7.7 7.8 8.3 7.9 7.6 6.9 6.6 6.0 5.9 6.2 6.5 6.8 6.7 6.8 6.8 6.9 7.2
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
...MOUNT MOOSILAUKE (4802 FT)...
DATE FRIDAY 08/29/25 SATURDAY 08/30/25
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 OV OV OV OV BK OV OV BK SC SC BK BK SC SC SC SC SC
CLOUD COVER (%) 85 95 85 80 60 80 75 65 40 45 60 60 40 40 40 45 25
TEMPERATURE 50 50 51 51 47 45 44 43 44 47 49 49 45 45 44 43 45
MAX/MIN TEMP 52 42 50 43
WIND CHILL
WIND DIR S S SW W NW NW NW NW NW NW W W W NW NW NW N
WIND (MPH) 12 12 10 10 10 11 11 11 11 11 13 14 12 8 8 9 8
WIND GUST (MPH)
PRECIP PROB (%) 40 90 70 70 20 10 5 5 10 10 20 20 10 5 5 5 5
PRECIP TYPE R R R R R R R
6 HOUR QPF 0.17 0.16 0.03 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) 7.7 8.0 7.9 7.6 7.1 6.5 5.9 5.9 5.8 6.1 6.3 6.7 6.9 6.9 7.0 7.1 7.4
SNOW RATIO (:1) 0 0 0 0 0 1 1 1 1 2 1 2 2 1 1 1 1
$$
--- 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.