Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
489
FWUS41 KGYX 130830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT WED AUG 13 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL CL SC BK BK OV OV OV BK BK BK SC FW FW FW FW FW
CLOUD COVER (%) 5 5 40 65 70 80 80 90 65 65 50 30 5 10 10 20 5
TEMPERATURE 59 63 64 63 57 57 56 55 54 55 56 56 52 50 47 45 46
MAX/MIN TEMP 66 54 58 44
WIND CHILL
WIND DIR SW SW SW SW W W NW NW NW NW NW NW N N N N NE
WIND (MPH) 10 13 17 18 21 26 25 24 20 19 19 23 29 31 28 24 18
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 40 30 30 30 60 60 50 40 20 5 5 0 0
PRECIP TYPE T R R R R R R T T R
6 HOUR QPF 0.00 0.05 0.03 0.04 0.20 0.06 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) 10.7 10.8 11.0 12.3 12.8 12.7 12.7 12.5 11.7 11.4 11.3 10.6 9.7 9.5 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
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL FW SC BK BK OV OV OV OV BK SC SC FW FW FW FW FW
CLOUD COVER (%) 5 5 40 65 65 85 85 95 75 65 50 30 10 10 15 20 10
TEMPERATURE 65 73 76 73 66 64 63 62 63 64 67 67 60 56 53 50 54
MAX/MIN TEMP 78 61 70 50
WIND CHILL
WIND DIR SW SW SW SW W W NW N NW NW NW NW N N N N NE
WIND (MPH) 4 5 8 6 5 8 8 10 6 8 11 11 10 10 10 8 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 40 40 30 30 50 60 50 40 20 5 0 0 0
PRECIP TYPE T R R R R R R T R R
6 HOUR QPF 0.00 0.27 0.03 0.04 0.22 0.05 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) 10.7 10.6 11.6 12.9 12.6 12.8 12.6 12.3 11.5 11.3 11.2 10.6 9.7 9.5 9.1 9.0 8.7
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL CL SC BK BK OV OV OV BK BK BK SC FW FW FW FW FW
CLOUD COVER (%) 5 5 40 65 70 75 85 90 65 65 50 30 5 10 10 20 5
TEMPERATURE 66 75 77 76 68 65 64 63 64 66 68 68 61 58 54 51 54
MAX/MIN TEMP 79 62 71 51
WIND CHILL
WIND DIR SW SW SW SW W W NW NW NW NW NW NW N N NW N N
WIND (MPH) 4 5 8 8 8 10 11 11 8 9 10 11 10 11 11 10 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 40 30 30 30 60 60 50 40 30 5 5 0 0
PRECIP TYPE T R R R R R R T T R
6 HOUR QPF 0.00 0.03 0.04 0.03 0.14 0.05 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) 10.7 10.7 11.0 12.3 12.8 12.8 12.7 12.5 11.8 11.4 11.4 10.7 9.8 9.5 9.1 9.0 8.6
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL CL SC BK BK OV OV OV BK BK BK SC FW FW FW FW FW
CLOUD COVER (%) 5 5 40 65 70 80 85 90 70 65 50 30 10 10 15 20 10
TEMPERATURE 65 75 80 79 69 67 65 64 65 68 71 71 64 59 54 53 56
MAX/MIN TEMP 82 63 73 53
WIND CHILL
WIND DIR NW SW SW SW NW W N N N NW NW NW N N N N N
WIND (MPH) 2 5 8 6 5 3 6 8 5 6 11 12 9 8 8 5 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 40 30 30 30 60 60 50 40 30 5 5 0 0
PRECIP TYPE T R R R R R R T T R
6 HOUR QPF 0.00 0.05 0.02 0.03 0.12 0.05 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) 10.7 10.7 11.1 12.5 12.8 12.7 12.8 12.4 11.7 11.3 11.4 10.7 9.7 9.6 9.1 9.0 8.7
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL CL SC BK OV OV OV OV BK BK SC SC FW FW FW FW CL
CLOUD COVER (%) 0 5 35 65 70 80 85 85 60 55 45 30 10 10 15 20 5
TEMPERATURE 66 75 79 78 69 66 64 63 65 70 71 71 64 61 56 54 57
MAX/MIN TEMP 80 63 74 54
WIND CHILL
WIND DIR W SW SW SW W W NW NW NW NW NW NW N N N N N
WIND (MPH) 2 5 5 5 4 5 6 6 5 6 8 9 6 8 8 6 5
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 40 40 30 30 60 60 50 40 30 5 5 0 0
PRECIP TYPE T R R R R R R T T R
6 HOUR QPF 0.00 0.10 0.02 0.01 0.05 0.05 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) 10.6 10.5 11.2 12.6 12.7 12.9 12.8 12.5 11.9 11.7 11.5 10.8 9.9 9.8 9.3 9.2 8.9
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL CL SC BK OV OV OV OV BK BK SC SC FW FW FW FW FW
CLOUD COVER (%) 0 5 35 65 70 80 85 85 60 55 45 30 10 10 15 20 5
TEMPERATURE 65 72 74 73 66 64 63 62 63 64 66 66 61 59 55 53 55
MAX/MIN TEMP 75 61 69 53
WIND CHILL
WIND DIR W SW SW SW W W NW NW NW NW NW NW N N N N NE
WIND (MPH) 4 5 8 6 9 11 11 12 8 8 10 10 12 14 14 12 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 30 40 30 30 60 60 50 40 30 5 5 0 0
PRECIP TYPE T R R R R R R T T R
6 HOUR QPF 0.00 0.09 0.02 0.02 0.06 0.05 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) 10.6 10.5 11.4 12.6 12.6 12.9 12.7 12.5 12.0 11.7 11.4 10.8 9.9 9.8 9.3 9.2 8.9
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL FW SC BK BK OV OV OV OV BK SC SC FW FW FW FW FW
CLOUD COVER (%) 5 5 40 70 65 85 90 95 70 65 50 30 10 10 15 20 10
TEMPERATURE 67 73 76 73 66 65 63 63 63 63 67 67 61 58 53 51 54
MAX/MIN TEMP 79 62 71 50
WIND CHILL
WIND DIR SW SW S SW W W NW N N NW NW NW N N N N N
WIND (MPH) 5 5 8 8 9 9 9 12 8 9 11 11 13 13 12 10 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 40 40 40 30 30 50 50 40 30 20 5 0 0 0
PRECIP TYPE T R R R R R T T R R
6 HOUR QPF 0.00 0.20 0.03 0.04 0.17 0.05 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) 10.6 10.6 11.7 12.7 12.6 12.8 12.6 12.2 11.5 11.2 11.2 10.5 9.6 9.5 9.1 9.0 8.7
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL CL SC BK OV OV OV OV BK BK SC SC FW FW FW FW CL
CLOUD COVER (%) 5 5 35 55 70 75 80 85 50 65 50 30 10 10 10 15 5
TEMPERATURE 71 80 84 81 73 70 68 67 68 72 76 74 67 64 59 57 59
MAX/MIN TEMP 85 66 76 56
WIND CHILL
WIND DIR SW S S SW W W NW NW N NW NW NW N NW NW NW N
WIND (MPH) 2 4 5 5 3 4 5 5 4 4 8 6 5 8 8 5 4
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 30 40 20 30 30 60 60 50 40 30 5 5 0 0
PRECIP TYPE T R R R R R R T T R
6 HOUR QPF 0.00 0.00 0.03 0.01 0.24 0.05 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) 11.0 10.8 10.9 12.4 12.7 12.7 12.7 12.6 12.0 11.4 11.8 10.9 9.9 9.6 9.2 9.0 8.7
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 WEDNESDAY 08/13/25 THURSDAY 08/14/25
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 CL FW SC OV BK OV OV OV BK BK SC SC FW FW FW FW FW
CLOUD COVER (%) 5 10 40 70 65 80 85 90 65 60 45 30 10 10 10 20 10
TEMPERATURE 64 71 74 72 65 64 63 63 63 63 65 65 60 58 54 52 54
MAX/MIN TEMP 75 61 67 52
WIND CHILL
WIND DIR S SW SW SW W W NW NW NW NW NW NW N N N N N
WIND (MPH) 4 5 5 5 5 6 5 10 6 8 9 10 11 12 12 10 8
WIND GUST (MPH)
PRECIP PROB (%) 0 0 10 40 30 40 30 30 50 50 40 30 20 5 0 0 0
PRECIP TYPE T R R R R R R T R R
6 HOUR QPF 0.00 0.21 0.03 0.05 0.12 0.05 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) 10.5 10.7 12.1 12.6 12.9 12.8 12.6 12.4 11.6 11.4 11.1 10.6 9.7 9.6 9.2 9.1 8.8
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.