Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
584
FWUS41 KGYX 222031
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
431 PM EDT MON SEP 22 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 40 50 70 70 70 85 90 90 90 90 90 90 75 80 75 70 70
TEMPERATURE 49 49 49 48 49 49 50 50 49 47 48 47 46 45 46 45 42
MIN/MAX TEMP 48 51 45 46
WIND CHILL
WIND DIR SW W W W W W W W NW N NE E E E E E E
WIND (MPH) 20 24 23 20 18 10 9 6 11 13 17 20 26 18 14 16 23
WIND GUST (MPH)
PRECIP PROB (%) 5 10 40 30 30 40 40 60 60 60 60 60 50 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.02 0.08 0.12 0.10 0.24 0.22 0.15 0.12
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) 10.8 11.4 11.3 11.4 11.6 11.6 11.6 11.6 11.5 11.0 11.1 10.8 10.5 10.6 10.5 10.5 10.5
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV BK OV
CLOUD COVER (%) 50 55 70 75 70 90 90 90 90 90 85 90 75 75 75 70 70
TEMPERATURE 55 55 54 54 55 58 61 59 56 55 54 54 54 55 56 55 51
MIN/MAX TEMP 54 61 53 58
WIND CHILL
WIND DIR S SW W W W W W W N NE NE E E E E E E
WIND (MPH) 9 9 8 6 5 4 5 4 4 5 5 6 8 5 5 6 8
WIND GUST (MPH)
PRECIP PROB (%) 5 10 30 30 30 40 50 60 60 60 50 50 50 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.03 0.07 0.11 0.18 0.13 0.10 0.05
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) 10.8 11.5 11.3 11.3 11.6 11.6 11.7 11.6 11.4 11.1 11.1 10.7 10.4 10.6 10.6 10.5 10.5
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 40 50 65 65 65 85 90 90 90 90 90 90 75 80 75 70 70
TEMPERATURE 55 55 55 54 55 60 61 60 56 56 55 54 53 55 55 54 51
MIN/MAX TEMP 54 61 53 56
WIND CHILL
WIND DIR SW W W W W W W NW NW N NE NE E E E E E
WIND (MPH) 9 9 9 8 6 5 5 4 4 5 6 8 10 8 8 8 9
WIND GUST (MPH)
PRECIP PROB (%) 5 10 40 30 30 40 40 70 60 60 60 60 50 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.05 0.09 0.11 0.19 0.19 0.12 0.09
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) 10.8 11.3 11.3 11.4 11.6 11.7 11.6 11.7 11.5 11.1 11.1 10.8 10.5 10.6 10.5 10.5 10.5
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK OV BK OV OV OV OV OV OV OV OV OV OV BK BK
CLOUD COVER (%) 40 50 70 70 70 85 90 90 90 90 90 90 75 80 75 70 70
TEMPERATURE 57 55 55 55 56 62 64 63 59 57 57 56 57 58 59 58 54
MIN/MAX TEMP 55 64 55 60
WIND CHILL
WIND DIR S S W NW NW NW NW N N N E E E E E E E
WIND (MPH) 6 5 5 5 5 4 5 4 2 3 4 5 6 6 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 5 10 30 30 30 40 50 60 60 60 60 50 50 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.05 0.11 0.15 0.15 0.10 0.07
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) 10.8 11.4 11.3 11.3 11.6 11.6 11.7 11.6 11.5 11.0 11.1 10.8 10.4 10.6 10.5 10.5 10.5
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 45 50 60 60 60 80 85 90 90 90 90 90 75 80 80 70 70
TEMPERATURE 56 54 55 54 56 63 64 62 59 57 55 55 55 57 57 57 53
MIN/MAX TEMP 54 64 55 59
WIND CHILL
WIND DIR SW SW W W W W W W NW N NE NE E E E E E
WIND (MPH) 5 5 5 5 5 4 4 3 2 3 4 5 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 5 10 30 30 30 30 40 60 60 60 60 60 60 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.02 0.08 0.21 0.17 0.12 0.06
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) 10.7 11.5 11.2 11.3 11.5 11.7 11.8 11.8 11.5 11.2 11.3 11.0 10.6 10.7 10.7 10.6 10.6
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 45 50 65 65 60 80 85 90 90 90 90 90 75 80 80 70 70
TEMPERATURE 54 53 53 53 54 57 59 58 56 55 55 54 53 52 52 53 51
MIN/MAX TEMP 53 59 52 54
WIND CHILL
WIND DIR S SW W W W W W W NW NE NE E E E E E E
WIND (MPH) 10 9 9 8 6 4 5 3 5 5 8 8 9 5 5 5 9
WIND GUST (MPH)
PRECIP PROB (%) 5 10 30 30 30 30 40 60 60 60 60 60 60 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.02 0.09 0.20 0.15 0.11 0.06
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) 10.8 11.5 11.2 11.3 11.5 11.7 11.8 11.9 11.5 11.2 11.3 11.0 10.7 10.7 10.7 10.6 10.6
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV BK OV
CLOUD COVER (%) 50 55 70 75 70 90 90 90 90 90 85 90 75 75 75 70 70
TEMPERATURE 57 55 55 55 55 56 59 60 58 56 55 55 55 54 56 55 52
MIN/MAX TEMP 54 61 54 59
WIND CHILL
WIND DIR S S SW W W W W W N NE NE E E E E E E
WIND (MPH) 12 11 10 9 6 5 4 4 5 5 6 8 8 5 5 6 9
WIND GUST (MPH)
PRECIP PROB (%) 5 10 30 30 30 40 50 50 60 60 50 50 50 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.05 0.12 0.15 0.11 0.08 0.05
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) 10.9 11.5 11.3 11.2 11.5 11.6 11.7 11.6 11.4 11.1 11.1 10.7 10.5 10.6 10.6 10.5 10.5
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV BK
CLOUD COVER (%) 35 45 60 60 60 75 85 90 90 90 90 90 80 80 80 75 65
TEMPERATURE 58 55 56 55 57 64 66 65 61 60 59 58 57 58 59 58 55
MIN/MAX TEMP 55 66 57 60
WIND CHILL
WIND DIR SW W W W NW SW SW NW N N N NE NE E E E E
WIND (MPH) 6 5 4 3 3 2 3 2 2 3 3 5 5 5 5 5 4
WIND GUST (MPH)
PRECIP PROB (%) 5 5 40 30 30 30 30 70 60 60 60 60 60 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.03 0.11 0.19 0.18 0.10 0.08
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) 10.8 11.2 11.4 11.4 11.6 11.7 11.6 11.7 11.6 11.2 11.1 10.9 10.5 10.6 10.5 10.5 10.4
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 TUESDAY 09/23/25 WEDNESDAY 09/24/25
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 BK BK BK OV BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 55 55 65 70 70 85 90 90 90 90 85 90 80 80 80 70 70
TEMPERATURE 56 55 55 54 55 55 58 57 56 55 54 54 54 54 54 54 51
MIN/MAX TEMP 54 58 54 55
WIND CHILL
WIND DIR S S SW SW W W W W N NE NE E E E E E SE
WIND (MPH) 10 10 9 6 5 4 4 2 4 5 6 6 6 5 5 5 8
WIND GUST (MPH)
PRECIP PROB (%) 5 10 30 30 30 40 50 50 50 60 50 50 50 50 50 50 40
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.06 0.13 0.22 0.14 0.11 0.06
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) 11.0 11.5 11.3 11.4 11.5 11.6 11.8 11.7 11.5 11.1 11.3 10.9 10.7 10.7 10.7 10.6 10.6
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.