Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
322
FWUS41 KGYX 162030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT FRI MAY 16 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK OV OV OV
CLOUD COVER (%) 85 80 75 80 80 85 85 70 90 75 85 70 60 70 80 80 75
TEMPERATURE 53 51 51 51 50 50 49 49 47 46 44 42 41 42 41 40 39
MIN/MAX TEMP 50 50 41 42
WIND CHILL
WIND DIR SW SW SW SW S S SW SW W W W W NW W W NW NW
WIND (MPH) 18 18 21 25 26 26 25 25 28 28 28 27 32 27 31 36 46
WIND GUST (MPH)
PRECIP PROB (%) 30 40 30 20 60 70 70 70 90 70 50 50 60 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.13 0.06 0.14 0.31 0.05 0.10 0.09 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) 10.7 10.6 10.5 10.0 10.1 10.3 10.2 9.7 9.7 9.5 9.1 8.0 7.2 7.0 6.9 7.2 7.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 2 3 4 4 3 3
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV BK OV OV OV OV BK OV OV OV BK BK OV OV OV OV
CLOUD COVER (%) 75 70 65 75 80 80 80 65 80 90 85 65 65 80 85 85 80
TEMPERATURE 60 58 56 57 58 58 57 57 54 52 51 49 47 50 49 48 47
MIN/MAX TEMP 56 58 47 51
WIND CHILL
WIND DIR SW SW SW S S S S S SW W W W NW W W NW NW
WIND (MPH) 9 9 10 12 11 11 11 10 10 13 12 12 11 14 16 19 25
WIND GUST (MPH)
PRECIP PROB (%) 20 30 30 10 60 70 70 80 80 60 40 50 50 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R
6 HOUR QPF 0.08 0.03 0.14 0.36 0.09 0.07 0.06 0.11
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) 10.4 10.6 10.1 9.6 9.9 10.5 10.0 10.1 9.7 9.7 8.8 7.7 7.0 6.7 6.9 7.1 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 2 2
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK OV OV OV
CLOUD COVER (%) 85 85 80 85 80 85 90 70 90 75 80 70 60 70 75 80 70
TEMPERATURE 59 57 56 56 56 56 55 54 53 51 51 49 49 52 52 50 48
MIN/MAX TEMP 56 56 48 53
WIND CHILL
WIND DIR SW SW SW SW S S S S SW W W NW NW W W NW NW
WIND (MPH) 10 10 11 12 11 11 12 10 10 11 11 12 12 14 16 19 24
WIND GUST (MPH)
PRECIP PROB (%) 30 40 30 20 60 70 70 70 90 70 50 50 50 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.15 0.11 0.16 0.35 0.04 0.08 0.09 0.11
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 10.6 10.6 10.1 10.2 10.3 10.2 9.7 9.7 9.5 9.2 8.0 7.2 7.1 6.9 7.3 7.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 2 1
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV BK OV OV OV BK BK OV OV OV OV
CLOUD COVER (%) 80 80 75 80 75 85 75 65 80 80 85 70 65 75 80 85 80
TEMPERATURE 63 60 60 59 59 61 59 59 56 54 54 51 50 54 54 53 50
MIN/MAX TEMP 58 61 50 56
WIND CHILL
WIND DIR S W S S SE SE SE SE S S W W W W W W NW
WIND (MPH) 5 4 5 6 9 11 11 10 8 6 6 8 9 10 11 10 10
WIND GUST (MPH)
PRECIP PROB (%) 30 30 30 20 60 70 70 70 90 70 50 50 50 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.10 0.05 0.14 0.35 0.06 0.08 0.08 0.11
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 10.7 10.5 9.8 10.1 10.3 10.0 9.8 9.7 9.5 9.0 7.9 7.1 7.0 6.9 7.2 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 1
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV OV OV OV OV BK BK BK OV OV OV
CLOUD COVER (%) 85 80 85 90 85 90 90 85 85 85 70 60 55 65 75 75 75
TEMPERATURE 63 59 58 59 58 58 57 56 55 54 52 50 50 55 54 53 50
MIN/MAX TEMP 57 58 50 56
WIND CHILL
WIND DIR SW W S SW SE SE SE SE W W W W NW W W NW NW
WIND (MPH) 3 5 3 4 4 5 5 3 5 8 9 9 9 11 10 12 14
WIND GUST (MPH)
PRECIP PROB (%) 30 50 40 20 70 70 70 80 80 60 40 40 50 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.16 0.04 0.17 0.41 0.10 0.04 0.04 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) 10.6 10.6 10.4 9.9 10.3 10.5 10.0 9.9 9.8 9.7 9.0 7.7 7.0 6.8 6.9 7.2 7.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 1
...MOUNT OSCEOLA (4340 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV OV OV OV OV BK BK BK OV OV OV
CLOUD COVER (%) 80 80 85 90 85 90 85 85 85 90 75 65 55 65 75 80 75
TEMPERATURE 61 58 57 56 57 56 55 55 54 53 51 49 49 51 50 49 48
MIN/MAX TEMP 56 57 48 52
WIND CHILL
WIND DIR SW SW S S S S S S W W W W NW W W NW NW
WIND (MPH) 9 8 9 10 10 10 9 8 10 14 13 14 16 14 16 19 23
WIND GUST (MPH)
PRECIP PROB (%) 30 50 40 20 70 70 70 80 80 60 30 40 50 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.14 0.07 0.19 0.38 0.12 0.04 0.05 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) 10.6 10.7 10.3 9.9 10.2 10.5 10.0 9.9 9.8 9.7 8.8 7.6 7.0 6.7 6.9 7.2 7.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 2 2
...CANNON MOUNTAIN (4080 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV BK BK OV OV OV OV BK OV OV OV BK BK OV OV OV OV
CLOUD COVER (%) 75 70 65 75 80 80 80 65 75 90 80 70 65 80 85 85 80
TEMPERATURE 61 59 58 57 59 59 58 58 55 54 51 49 48 49 49 48 48
MIN/MAX TEMP 57 59 48 53
WIND CHILL
WIND DIR SW SW S S S S S S SW W W W NW W W NW NW
WIND (MPH) 9 9 11 12 12 12 11 10 11 13 13 12 13 13 16 20 24
WIND GUST (MPH)
PRECIP PROB (%) 20 30 30 10 70 70 70 80 80 60 40 40 50 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R
6 HOUR QPF 0.06 0.07 0.14 0.34 0.12 0.08 0.06 0.11
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) 10.5 10.6 10.0 9.6 9.9 10.5 10.0 10.2 9.9 9.8 8.7 7.7 6.9 6.7 6.9 7.1 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 2 2
...BALDFACE MOUNTAIN (3547 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK OV OV
CLOUD COVER (%) 80 90 90 95 90 90 85 90 95 80 75 70 55 65 65 70 70
TEMPERATURE 63 60 58 58 56 56 56 55 55 54 54 52 54 58 59 57 54
MIN/MAX TEMP 56 56 52 60
WIND CHILL
WIND DIR SW W S S SE SE SE SE SW SE NW W W W W W NW
WIND (MPH) 4 4 3 3 5 6 5 5 4 3 3 4 5 5 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 60 40 30 30 70 80 80 80 90 70 50 50 50 60 70 70 50
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.22 0.06 0.23 0.45 0.02 0.04 0.07 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 10.7 10.7 10.2 10.3 10.2 10.3 9.7 10.0 10.0 9.4 8.1 7.4 7.2 7.1 7.3 7.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1
...MOUNT MOOSILAUKE (4802 FT)...
DATE SATURDAY 05/17/25 SUNDAY 05/18/25
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 OV OV OV OV OV OV OV OV BK OV OV BK BK OV OV OV OV
CLOUD COVER (%) 70 70 75 80 85 85 80 75 65 85 80 65 60 75 85 85 75
TEMPERATURE 60 58 57 57 57 56 56 56 54 52 50 48 47 49 48 47 46
MIN/MAX TEMP 57 57 47 50
WIND CHILL
WIND DIR SW SW S S S S S S SW W W W NW W W NW NW
WIND (MPH) 9 9 10 11 11 11 10 9 9 12 12 11 11 14 14 19 24
WIND GUST (MPH)
PRECIP PROB (%) 20 40 30 20 60 70 70 90 70 50 30 40 40 60 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.07 0.04 0.14 0.35 0.19 0.06 0.05 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) 10.4 10.6 9.9 9.7 10.2 10.3 9.9 10.2 9.7 9.6 8.5 7.5 6.8 6.5 6.9 7.1 7.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 1 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.