Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
001
FWUS41 KGYX 192030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT TUE AUG 19 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 SC SC SC FW FW SC SC FW
CLOUD COVER (%) 75 75 80 85 85 85 85 75 50 40 35 40 25 20 35 25 15
TEMPERATURE 44 44 43 43 42 44 44 43 41 40 40 40 41 46 50 49 44
MIN/MAX TEMP 42 47 38 50
WIND CHILL
WIND DIR W SW SW SW S SE SE S S W W NW E E E E E
WIND (MPH) 12 13 13 14 13 9 17 19 13 13 12 12 12 10 11 13 18
WIND GUST (MPH)
PRECIP PROB (%) 10 10 10 20 20 20 20 40 30 20 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.10 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) 7.7 8.2 9.0 9.4 9.6 10.2 10.3 10.6 10.9 11.0 10.4 10.3 9.9 9.9 9.8 9.9 9.7
SNOW RATIO (:1) 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE WEDNESDAY 08/20/25 THURSDAY 08/21/25
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 SC SC SC SC FW SC SC FW
CLOUD COVER (%) 75 80 85 90 90 90 85 70 55 40 45 40 25 20 30 25 15
TEMPERATURE 53 51 50 50 51 53 54 53 50 47 46 47 50 57 61 60 54
MIN/MAX TEMP 50 56 44 63
WIND CHILL
WIND DIR SW SW SW SW S SE SE S S SW W NW E E E E E
WIND (MPH) 8 8 9 8 8 8 11 10 5 4 4 4 5 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 20 10 20 20 20 30 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.07 0.03 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) 8.4 8.8 9.4 9.5 10.0 10.5 10.6 10.9 11.1 11.2 10.7 10.5 10.3 10.2 10.1 10.0 9.7
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 08/20/25 THURSDAY 08/21/25
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 SC SC SC SC FW FW SC SC FW
CLOUD COVER (%) 75 75 80 85 85 85 85 75 50 45 35 40 25 20 30 25 10
TEMPERATURE 53 51 50 50 51 55 56 55 50 48 46 46 50 58 62 61 54
MIN/MAX TEMP 49 57 45 62
WIND CHILL
WIND DIR SW SW SW SW S S SE S S SW W NW E E E E E
WIND (MPH) 6 8 6 6 6 6 11 10 5 5 4 4 4 5 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 10 10 10 20 20 20 20 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.11 0.03 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) 7.7 8.3 9.0 9.4 9.6 10.2 10.3 10.6 10.9 11.0 10.4 10.4 10.0 10.0 9.9 10.0 9.7
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 08/20/25 THURSDAY 08/21/25
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 SC SC SC FW FW SC SC FW
CLOUD COVER (%) 75 75 85 90 90 90 85 75 55 40 40 40 25 20 35 25 15
TEMPERATURE 57 54 52 52 54 57 59 58 53 50 48 47 52 60 65 64 57
MIN/MAX TEMP 51 61 46 66
WIND CHILL
WIND DIR S S S S SE SE SE SE SE SE SE E E E E E E
WIND (MPH) 4 5 5 3 3 5 6 5 4 4 3 3 3 4 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 10 20 10 20 20 20 20 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.09 0.03 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) 8.0 8.8 9.2 9.5 9.7 10.3 10.5 10.8 10.9 11.1 10.6 10.4 10.1 10.0 9.9 10.0 9.7
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 08/20/25 THURSDAY 08/21/25
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 SC SC SC FW FW SC SC FW
CLOUD COVER (%) 75 70 90 90 85 90 85 80 55 40 40 40 20 20 30 25 10
TEMPERATURE 55 53 51 51 53 56 56 56 51 49 47 47 51 59 62 63 55
MIN/MAX TEMP 51 58 46 63
WIND CHILL
WIND DIR SW SW SW SW S SE SE S SE SE W N NE E E E E
WIND (MPH) 4 4 4 3 4 5 8 5 2 1 1 2 4 4 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 5 20 10 20 20 20 30 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.06 0.04 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) 8.2 8.7 8.9 9.3 10.0 10.4 10.7 11.0 11.2 11.3 10.8 10.7 10.4 10.4 10.2 10.1 9.8
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 08/20/25 THURSDAY 08/21/25
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 SC SC SC FW FW SC SC FW
CLOUD COVER (%) 75 70 90 90 85 90 85 80 55 40 45 40 20 20 30 25 15
TEMPERATURE 53 51 50 50 50 51 52 51 49 48 46 47 49 55 58 59 53
MIN/MAX TEMP 49 54 45 59
WIND CHILL
WIND DIR SW SW SW SW S SE SE S S SW W NW E E E E E
WIND (MPH) 6 6 6 6 8 6 10 9 4 3 4 4 5 4 5 5 6
WIND GUST (MPH)
PRECIP PROB (%) 5 20 10 20 20 20 30 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.05 0.03 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) 8.2 8.7 8.8 9.2 10.1 10.5 10.8 11.1 11.2 11.4 10.9 10.7 10.5 10.4 10.2 10.1 9.8
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 08/20/25 THURSDAY 08/21/25
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 BK SC SC SC SC FW SC SC FW
CLOUD COVER (%) 75 80 90 90 90 90 85 70 55 40 40 45 25 20 30 25 20
TEMPERATURE 54 53 51 52 51 52 54 53 51 50 48 48 50 55 60 60 55
MIN/MAX TEMP 51 56 45 64
WIND CHILL
WIND DIR SW SW SW S S SE SE S S SW W NW E E E E E
WIND (MPH) 6 8 8 9 8 6 10 10 5 4 4 4 5 4 4 5 8
WIND GUST (MPH)
PRECIP PROB (%) 10 20 10 20 20 20 30 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.07 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) 8.5 8.8 9.6 9.5 10.0 10.5 10.7 11.0 11.1 11.2 10.8 10.6 10.3 10.2 10.1 10.0 9.7
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 08/20/25 THURSDAY 08/21/25
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 SC SC SC SC FW FW SC FW FW
CLOUD COVER (%) 70 75 80 85 85 80 80 75 45 40 35 35 25 20 25 20 10
TEMPERATURE 58 55 54 54 54 60 62 60 55 53 51 50 53 61 67 66 58
MIN/MAX TEMP 53 62 49 67
WIND CHILL
WIND DIR S SW SW SW S S S SE S S W NW N E E E SE
WIND (MPH) 5 5 3 2 2 4 5 5 4 2 2 2 2 3 4 4 3
WIND GUST (MPH)
PRECIP PROB (%) 10 10 10 10 10 10 20 40 30 20 20 10 5 5 5 0 0
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.06 0.01 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) 7.8 8.2 8.9 9.1 9.0 9.9 10.1 10.5 10.9 11.0 10.3 10.4 10.0 9.8 9.8 9.9 9.7
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 08/20/25 THURSDAY 08/21/25
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 SC SC SC SC FW SC SC FW
CLOUD COVER (%) 75 80 90 90 90 90 90 70 60 40 40 40 30 20 30 30 15
TEMPERATURE 53 52 51 51 51 51 52 51 50 48 46 47 49 55 58 59 54
MIN/MAX TEMP 50 55 46 59
WIND CHILL
WIND DIR SW S S S S SE SE S S SW W NW E E E E E
WIND (MPH) 8 8 9 9 9 6 12 10 5 3 3 3 5 3 3 4 5
WIND GUST (MPH)
PRECIP PROB (%) 5 20 10 20 20 20 30 40 30 30 20 10 10 5 5 0 0
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.08 0.04 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) 8.5 8.7 9.4 9.7 10.4 10.7 11.1 11.2 11.4 11.6 10.9 10.8 10.5 10.4 10.2 10.1 9.7
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.