Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
189
FWUS41 KGYX 170831
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT THU JUL 17 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 07/17/25 FRIDAY 07/18/25
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 SC OV OV BK BK BK BK OV OV SC FW FW CL FW FW SC FW
CLOUD COVER (%) 45 75 75 60 65 60 65 80 75 30 10 5 5 5 15 25 15
TEMPERATURE 58 60 61 60 59 58 52 46 42 43 47 48 45 44 43 44 47
MAX/MIN TEMP 62 42 50 42
WIND CHILL
WIND DIR SW SW SW W W W NW NW NW NW NW NW NW W W W SW
WIND (MPH) 26 29 34 41 49 62 65 71 67 55 39 37 33 25 20 17 13
WIND GUST (MPH) 82 89 85
PRECIP PROB (%) 30 40 90 40 40 30 10 10 5 10 0 5 0 0 0 0 5
PRECIP TYPE R T R T T R
6 HOUR QPF 0.22 0.31 0.29 0.13 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) 13.6 14.1 14.4 13.7 14.4 12.5 11.2 9.8 8.4 7.6 7.3 7.8 7.7 7.8 7.7 8.0 8.2
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 07/17/25 FRIDAY 07/18/25
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 BK OV OV BK BK OV OV OV OV SC FW FW CL FW FW SC FW
CLOUD COVER (%) 60 75 70 60 65 70 80 90 85 35 10 5 5 5 20 30 15
TEMPERATURE 67 69 69 70 67 65 59 52 49 53 59 60 55 51 49 49 56
MAX/MIN TEMP 72 49 61 48
WIND CHILL
WIND DIR SW SW SW SW W W NW NW NW NW NW NW NW NW NW S SW
WIND (MPH) 12 14 18 19 23 28 29 34 32 28 20 13 10 6 5 5 4
WIND GUST (MPH) 47 48 54 51 46
PRECIP PROB (%) 30 40 80 40 50 30 10 10 5 5 0 5 0 0 0 0 5
PRECIP TYPE T T R T T R
6 HOUR QPF 0.29 0.37 0.17 0.11 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) 13.9 14.2 14.3 13.4 14.1 12.4 11.0 9.5 8.2 7.5 7.3 7.7 7.7 7.8 7.7 8.0 8.4
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 07/17/25 FRIDAY 07/18/25
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 SC OV OV BK BK BK BK OV OV SC FW FW CL FW FW SC FW
CLOUD COVER (%) 45 75 75 60 65 55 60 75 70 30 10 5 5 5 15 25 15
TEMPERATURE 67 70 72 72 68 67 61 54 51 55 61 62 57 52 50 50 57
MAX/MIN TEMP 74 51 63 49
WIND CHILL
WIND DIR SW SW SW SW W W NW NW NW NW NW NW NW W W W SW
WIND (MPH) 11 13 17 19 26 29 35 35 33 29 21 14 11 9 6 6 5
WIND GUST (MPH) 48 56 56 52 48
PRECIP PROB (%) 30 40 90 40 40 30 10 10 5 10 0 5 0 0 0 0 5
PRECIP TYPE R T R T T R
6 HOUR QPF 0.16 0.28 0.17 0.05 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) 13.6 14.1 14.4 13.7 14.4 12.5 11.2 9.9 8.6 7.7 7.3 7.8 7.8 7.8 7.7 8.0 8.3
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 07/17/25 FRIDAY 07/18/25
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 BK OV OV BK BK BK BK OV OV SC FW FW CL FW FW SC FW
CLOUD COVER (%) 50 75 75 60 70 65 65 80 75 35 10 5 5 5 15 30 15
TEMPERATURE 70 72 74 75 70 69 62 56 54 57 63 65 58 54 51 51 60
MAX/MIN TEMP 77 54 66 51
WIND CHILL
WIND DIR S S S SW W NW NW NW NW NW NW NW NW W W W SW
WIND (MPH) 5 8 10 9 12 17 21 24 21 20 18 13 9 5 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 30 40 90 40 40 30 10 10 5 10 0 5 0 0 0 0 5
PRECIP TYPE R T R T T R
6 HOUR QPF 0.08 0.18 0.08 0.12 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) 13.8 14.1 14.4 13.6 14.4 12.5 11.1 9.6 8.3 7.5 7.2 7.7 7.7 7.8 7.7 8.0 8.3
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 07/17/25 FRIDAY 07/18/25
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 BK OV OV BK BK BK BK BK BK SC FW CL CL FW FW SC FW
CLOUD COVER (%) 65 75 75 60 65 60 55 65 65 25 10 5 5 5 20 25 10
TEMPERATURE 69 72 72 73 69 67 62 56 54 58 63 65 58 54 51 51 59
MAX/MIN TEMP 75 54 65 50
WIND CHILL
WIND DIR SW SW SW SW W W W NW NW NW NW NW NW NW NW NW W
WIND (MPH) 6 9 12 12 19 21 23 24 20 19 16 10 8 5 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 30 40 80 40 40 20 5 5 5 5 0 10 0 0 0 0 5
PRECIP TYPE T T R T T R
6 HOUR QPF 0.13 0.23 0.08 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) 13.9 14.2 14.4 13.4 14.2 12.3 11.2 9.8 8.6 7.8 7.4 7.8 7.8 7.8 7.7 8.0 8.4
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 07/17/25 FRIDAY 07/18/25
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 BK OV OV BK BK BK BK OV OV SC FW CL CL FW FW SC FW
CLOUD COVER (%) 65 75 75 60 65 60 60 70 70 30 10 5 5 5 20 30 15
TEMPERATURE 65 67 68 68 66 66 60 53 51 53 58 60 56 52 49 50 56
MAX/MIN TEMP 70 51 60 49
WIND CHILL
WIND DIR SW SW SW SW W W NW NW NW NW NW NW NW NW NW N W
WIND (MPH) 12 14 18 19 26 31 33 36 33 27 20 14 13 10 8 5 4
WIND GUST (MPH) 43 49 52 56 52 44
PRECIP PROB (%) 30 40 80 40 40 20 5 5 5 5 0 5 0 0 0 0 5
PRECIP TYPE T T R T T R
6 HOUR QPF 0.14 0.18 0.08 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) 13.9 14.2 14.4 13.5 14.2 12.3 11.1 9.7 8.5 7.7 7.4 7.8 7.8 7.8 7.7 8.0 8.4
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 07/17/25 FRIDAY 07/18/25
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 BK OV OV BK BK BK OV OV OV SC FW FW CL FW FW SC FW
CLOUD COVER (%) 60 75 75 60 65 70 80 90 85 35 10 5 5 5 20 30 15
TEMPERATURE 65 68 69 69 67 66 59 53 49 52 58 59 56 52 50 50 56
MAX/MIN TEMP 73 49 62 49
WIND CHILL
WIND DIR S SW SW SW W W NW NW NW N NW NW NW NW N SE SW
WIND (MPH) 12 14 18 18 24 31 31 35 33 28 21 14 12 8 5 5 5
WIND GUST (MPH) 49 49 55 52 46
PRECIP PROB (%) 30 40 70 40 50 30 10 10 5 5 0 5 0 0 0 0 5
PRECIP TYPE T T R T T R
6 HOUR QPF 0.20 0.35 0.13 0.22 0.02 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) 13.9 14.2 14.3 13.3 14.1 12.4 11.0 9.5 8.1 7.5 7.2 7.7 7.6 7.8 7.7 8.0 8.4
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 07/17/25 FRIDAY 07/18/25
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 SC OV OV BK BK SC SC SC BK FW FW CL CL FW FW FW FW
CLOUD COVER (%) 45 75 75 55 55 40 35 50 55 20 10 5 5 10 15 25 10
TEMPERATURE 69 73 75 75 72 70 66 59 57 61 66 67 61 57 54 54 61
MAX/MIN TEMP 77 57 68 53
WIND CHILL
WIND DIR S S S SW W W W NW NW NW NW NW NW NW W W SW
WIND (MPH) 4 8 11 11 13 13 16 18 20 21 16 10 6 5 4 3 2
WIND GUST (MPH)
PRECIP PROB (%) 20 40 80 30 40 20 5 5 0 10 0 10 0 0 0 0 5
PRECIP TYPE T T R T R R
6 HOUR QPF 0.06 0.20 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) 13.6 14.0 14.4 13.8 14.5 12.8 11.4 9.9 8.8 7.8 7.3 7.7 7.7 7.8 7.7 8.0 8.2
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 07/17/25 FRIDAY 07/18/25
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 BK BK BK OV OV OV SC FW CL CL CL FW SC FW
CLOUD COVER (%) 70 80 75 55 60 60 70 90 85 30 10 5 5 5 20 35 15
TEMPERATURE 65 67 68 68 66 65 59 53 50 53 58 59 55 51 49 49 56
MAX/MIN TEMP 70 50 59 48
WIND CHILL
WIND DIR SW SW SW SW W W NW NW NW NW NW NW NW N NE E S
WIND (MPH) 11 13 16 18 24 28 28 32 29 25 18 12 10 6 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 40 40 60 40 50 20 5 5 5 5 0 5 0 0 0 0 5
PRECIP TYPE T T R T T R
6 HOUR QPF 0.21 0.36 0.26 0.05 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) 14.0 14.3 14.4 13.2 13.7 12.4 11.0 9.5 8.2 7.6 7.2 7.7 7.7 7.8 7.7 8.0 8.5
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.