Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
123
FWUS41 KGYX 182030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT WED JUN 18 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV BK SC OV BK OV BK OV OV OV OV BK SC SC SC
CLOUD COVER (%) 60 75 70 65 40 70 55 70 60 70 70 85 70 60 50 30 30
TEMPERATURE 58 57 56 55 57 61 61 60 56 55 50 47 45 45 46 47 45
MIN/MAX TEMP 55 62 45 48
WIND CHILL
WIND DIR W W W SW SW SW W SW SW W W W W W W NW NW
WIND (MPH) 20 14 12 13 17 21 32 37 42 47 44 42 58 66 81 80 69
WIND GUST (MPH) 84 102 101 87
PRECIP PROB (%) 10 10 10 20 30 50 40 80 80 60 50 50 40 40 20 20 20
PRECIP TYPE R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.03 0.22 0.21 0.06 0.09 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) 11.8 12.0 12.2 12.4 12.5 12.9 12.6 12.9 12.8 12.9 11.8 11.3 10.7 10.1 9.1 8.8 8.5
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV OV BK BK OV OV SC BK OV OV OV BK SC SC FW
CLOUD COVER (%) 50 80 80 80 50 55 70 70 50 65 80 90 75 65 45 25 25
TEMPERATURE 64 62 62 62 64 68 70 68 64 62 57 54 53 53 57 58 56
MIN/MAX TEMP 62 71 53 61
WIND CHILL
WIND DIR W SW W SW SW S SW SW SW SW W W W W W NW NW
WIND (MPH) 4 5 4 4 4 6 10 11 13 14 12 11 18 41 47 46 33
WIND GUST (MPH) 63 71 70 52
PRECIP PROB (%) 10 10 10 20 30 40 40 90 80 60 50 50 30 40 20 20 20
PRECIP TYPE R R R T R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.05 0.21 0.17 0.04 0.06 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) 11.9 12.1 12.2 12.4 12.6 12.9 12.5 12.9 12.9 12.6 11.8 11.2 10.6 9.7 9.0 8.8 8.5
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV BK SC BK BK BK BK BK OV OV BK BK SC SC SC
CLOUD COVER (%) 55 70 75 70 45 70 65 70 55 70 70 80 65 55 45 30 30
TEMPERATURE 68 64 63 61 66 68 71 69 66 63 59 55 56 55 57 60 57
MIN/MAX TEMP 61 71 54 62
WIND CHILL
WIND DIR W W W W SW SW SW SW SW W W W W W W NW NW
WIND (MPH) 5 5 5 4 5 5 10 12 13 16 14 14 23 35 42 44 36
WIND GUST (MPH) 56 65 69 57
PRECIP PROB (%) 10 5 10 20 30 50 40 80 80 60 50 50 40 40 20 20 20
PRECIP TYPE R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.05 0.26 0.16 0.05 0.08 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) 11.8 12.0 12.2 12.4 12.5 12.9 12.6 12.9 12.7 12.9 11.8 11.3 10.6 10.1 9.1 8.8 8.5
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV BK SC BK BK BK BK BK OV OV OV BK SC SC SC
CLOUD COVER (%) 55 75 70 70 40 60 55 60 60 65 75 85 70 60 50 30 25
TEMPERATURE 70 65 64 63 68 73 76 74 68 65 61 57 58 57 61 63 60
MIN/MAX TEMP 63 76 56 65
WIND CHILL
WIND DIR SW S NE SE S S S S SW SW W W W W NW NW NW
WIND (MPH) 5 3 2 3 5 9 14 16 13 13 16 18 21 20 20 20 16
WIND GUST (MPH) 37 37 37
PRECIP PROB (%) 10 5 10 20 30 40 40 80 80 60 50 50 40 40 20 20 20
PRECIP TYPE R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.02 0.19 0.11 0.02 0.08 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) 11.8 12.1 12.2 12.4 12.6 12.9 12.6 12.9 12.8 12.7 11.8 11.2 10.7 10.1 9.0 8.8 8.5
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV OV BK BK OV OV BK BK OV OV BK SC SC FW FW
CLOUD COVER (%) 70 80 80 70 70 55 75 75 60 65 75 80 60 50 35 20 20
TEMPERATURE 68 65 64 63 67 70 73 73 68 65 61 57 57 58 62 63 60
MIN/MAX TEMP 63 75 56 65
WIND CHILL
WIND DIR SW SW W W SW SW SW SW SW W W W W W W NW NW
WIND (MPH) 3 2 2 2 3 4 6 8 6 9 11 10 16 26 33 31 21
WIND GUST (MPH) 52 49
PRECIP PROB (%) 10 10 10 20 20 40 40 80 70 60 50 50 30 30 20 20 10
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.01 0.43 0.09 0.03 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) 11.9 12.2 12.4 12.6 12.7 12.9 12.5 12.8 12.8 12.8 11.8 11.1 10.6 10.0 9.0 8.9 8.6
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV OV OV BK OV OV BK OV OV OV BK SC SC FW FW
CLOUD COVER (%) 65 85 90 85 75 65 70 70 60 70 80 85 60 50 35 20 20
TEMPERATURE 66 65 63 62 64 66 69 69 64 64 58 54 54 53 57 59 58
MIN/MAX TEMP 62 70 53 61
WIND CHILL
WIND DIR W SW W W SW SW W SW SW W W W W W W NW NW
WIND (MPH) 5 5 6 5 6 6 10 12 14 19 18 18 26 37 46 43 33
WIND GUST (MPH) 58 70 66 52
PRECIP PROB (%) 10 10 10 20 20 40 40 80 70 60 50 50 30 30 20 20 10
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.01 0.43 0.09 0.02 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) 11.9 12.2 12.3 12.7 12.7 12.9 12.5 12.8 12.9 12.8 11.8 11.0 10.5 9.9 9.0 8.9 8.6
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV OV SC BK BK BK SC BK OV OV OV BK SC SC FW
CLOUD COVER (%) 45 75 75 75 45 55 60 60 45 70 80 90 70 65 45 25 25
TEMPERATURE 62 62 62 62 63 67 70 67 63 62 58 54 54 53 56 59 57
MIN/MAX TEMP 62 71 52 63
WIND CHILL
WIND DIR S S SW SW S S SW SW SW SW W W W W W NW NW
WIND (MPH) 4 8 5 8 6 9 9 13 17 18 16 16 21 39 46 43 32
WIND GUST (MPH) 61 70 66 50
PRECIP PROB (%) 10 10 10 20 30 40 40 90 80 60 50 50 30 30 20 20 10
PRECIP TYPE R R R T R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.06 0.19 0.14 0.03 0.05 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) 11.9 12.1 12.2 12.4 12.7 12.8 12.5 12.9 12.9 12.6 11.7 11.2 10.5 9.6 9.0 8.8 8.5
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV BK OV BK OV OV BK BK OV BK BK BK SC SC FW SC
CLOUD COVER (%) 55 75 60 70 60 80 75 65 60 75 55 65 55 40 30 20 25
TEMPERATURE 71 67 65 64 67 70 75 74 70 67 64 61 62 62 65 66 62
MIN/MAX TEMP 64 75 61 68
WIND CHILL
WIND DIR SW W W SW S S S SW SW SW SW W W W NW NW NW
WIND (MPH) 3 2 2 2 2 5 10 9 9 10 11 13 16 16 17 14 11
WIND GUST (MPH)
PRECIP PROB (%) 5 5 10 20 30 50 40 80 70 60 30 40 30 40 20 20 10
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.02 0.37 0.08 0.00 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) 11.8 12.0 12.2 12.3 12.5 12.9 12.7 13.0 12.8 12.7 12.0 11.3 10.7 10.2 9.1 8.8 8.4
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 THURSDAY 06/19/25 FRIDAY 06/20/25
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 OV OV OV OV BK BK OV BK OV OV OV BK BK SC FW FW
CLOUD COVER (%) 50 80 85 75 75 60 60 70 65 80 85 90 65 55 35 25 20
TEMPERATURE 64 64 63 62 65 67 71 69 65 62 58 54 54 53 57 58 56
MIN/MAX TEMP 62 71 53 60
WIND CHILL
WIND DIR SW S SW SW S SW SW SW SW SW W W W W NW NW NW
WIND (MPH) 4 6 5 5 6 5 9 11 13 14 12 11 18 39 47 42 29
WIND GUST (MPH)
PRECIP PROB (%) 5 10 10 20 20 40 40 90 70 60 50 40 30 30 20 20 10
PRECIP TYPE R R R T R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.05 0.19 0.20 0.07 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) 11.9 12.1 12.3 12.5 12.7 12.7 12.6 13.0 12.7 12.6 11.7 11.0 10.5 9.6 8.9 8.8 8.6
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.