Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
260
FWUS41 KGYX 120830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT WED MAR 12 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV BK BK BK OV OV OV OV BK BK BK
CLOUD COVER (%) 55 45 60 80 90 75 75 70 70 70 85 80 90 85 70 65 60
TEMPERATURE 11 14 17 17 17 15 15 16 17 19 20 21 19 20 20 20 22
MAX/MIN TEMP 18 13 22 15
WIND CHILL -18 -11 -4 -4 -3 -4 -4 -3 -1 2 3 5 1 3 4 4 7
WIND DIR NW NW NW W W W SW SW SW S S SW S SE S S S
WIND (MPH) 62 49 36 34 32 25 24 26 24 24 23 23 26 24 20 19 20
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 10 10 20 20 20 20 20 10 10 10 10 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.5 0.4 0.3 0.5 0.5 0.7
SNOW RATIO (:1) 14 15 16 17 17 18 18 19 18 16 15 13 12 11 9 8 7
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV BK OV BK OV OV OV OV BK BK BK
CLOUD COVER (%) 45 35 60 85 90 75 80 65 70 65 85 75 80 70 65 60 60
TEMPERATURE 14 17 21 21 19 20 17 18 18 23 25 26 24 23 23 23 25
MAX/MIN TEMP 22 15 27 21
WIND CHILL -6 0 8 8 7 9 5 6 5 12 15 15 14 13 14 14 16
WIND DIR NW NW NW NW W SW SW S S S S S S SE S SE SE
WIND (MPH) 26 20 14 13 10 10 10 10 11 10 10 11 10 9 8 8 8
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 10 10 20 20 20 20 20 10 10 5 5 0 0 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.6 0.5 0.3 0.3 0.5 0.9
SNOW RATIO (:1) 15 14 15 16 16 17 17 17 17 15 13 12 10 9 8 6 5
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV OV OV OV OV OV OV OV BK BK SC
CLOUD COVER (%) 55 45 60 80 90 80 75 70 70 70 85 80 85 75 60 55 50
TEMPERATURE 16 19 23 22 20 19 17 17 17 22 25 26 25 24 23 23 25
MAX/MIN TEMP 24 16 27 20
WIND CHILL -4 2 10 9 7 7 5 6 5 11 14 16 15 14 15 15 17
WIND DIR NW NW NW W W W SW SW S S S S S S S S S
WIND (MPH) 31 24 16 14 13 11 10 9 10 10 11 10 10 9 6 6 6
WIND GUST (MPH) 49
PRECIP PROB (%) 5 0 5 10 10 20 20 20 20 20 10 10 10 10 5 5 5
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.3 0.2 0.4 0.5 0.7
SNOW RATIO (:1) 13 14 15 16 16 17 17 18 17 16 14 12 11 9 8 7 5
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV OV OV BK OV OV OV OV BK BK BK
CLOUD COVER (%) 50 40 60 80 95 75 80 70 70 70 85 80 85 80 70 60 60
TEMPERATURE 17 22 27 27 23 20 19 19 19 27 30 30 28 26 25 25 27
MAX/MIN TEMP 29 17 32 23
WIND CHILL 2 9 17 18 16 13 11 11 10 19 19 19 19
WIND DIR NW NW NW NW NW SW S S SE S S S S S S S S
WIND (MPH) 16 13 10 9 5 4 5 5 6 8 8 8 6 5 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 10 10 20 20 20 20 20 10 10 10 10 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.4 0.3 0.3 0.3 0.6 0.8
SNOW RATIO (:1) 14 14 15 16 15 16 17 17 16 15 13 12 10 9 8 6 5
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV BK OV BK OV OV OV OV BK BK SC
CLOUD COVER (%) 35 35 60 80 90 80 80 65 70 65 85 80 80 75 60 55 50
TEMPERATURE 18 25 29 28 24 21 19 18 18 24 28 29 26 25 24 24 25
MAX/MIN TEMP 30 15 30 23
WIND CHILL 2 13 19 17 13 12 11 10 17 19 19
WIND DIR NW NW NW NW W SW SW S SE SE S S S SE S S S
WIND (MPH) 18 14 10 9 5 5 4 4 5 5 6 6 5 4 3 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 10 10 20 20 20 20 20 10 10 10 10 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.3 0.2 0.2 0.5 0.8
SNOW RATIO (:1) 13 13 14 15 15 16 16 17 16 15 13 12 10 8 7 6 5
...MOUNT OSCEOLA (4340 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV BK OV BK OV OV OV OV BK BK BK
CLOUD COVER (%) 30 35 60 80 90 80 80 65 70 65 80 80 80 80 65 55 50
TEMPERATURE 17 20 23 24 21 20 18 18 18 21 23 25 24 23 22 22 24
MAX/MIN TEMP 25 17 26 20
WIND CHILL -2 4 10 12 9 9 7 7 7 11 13 16 14 13 13 14 15
WIND DIR NW NW NW NW W W SW S S S S S S SE SE SE SE
WIND (MPH) 27 21 14 13 11 9 9 9 9 9 9 9 10 9 8 6 8
WIND GUST (MPH) 44
PRECIP PROB (%) 0 0 0 10 10 20 20 20 20 20 10 10 5 5 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.4 0.2 0.3 0.5 0.9
SNOW RATIO (:1) 13 14 15 16 16 17 17 17 17 15 13 12 10 9 8 6 5
...CANNON MOUNTAIN (4080 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV BK OV BK OV OV OV BK BK BK BK
CLOUD COVER (%) 40 30 60 85 90 75 80 65 70 65 85 75 75 70 60 60 60
TEMPERATURE 15 16 20 21 19 20 19 20 20 23 25 27 25 24 23 24 25
MAX/MIN TEMP 22 17 28 22
WIND CHILL -4 -1 6 8 7 9 7 9 8 12 14 17 14 12 12 14 16
WIND DIR NW NW NW NW W W SW S S S S S S SE SE SE SE
WIND (MPH) 25 20 14 13 11 9 10 10 11 10 11 11 11 12 10 9 9
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 10 10 20 20 20 20 10 10 10 5 5 0 0 0
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.6 0.5 0.3 0.3 0.5 0.8
SNOW RATIO (:1) 15 14 15 16 16 17 17 17 17 15 13 11 10 9 8 6 5
...BALDFACE MOUNTAIN (3547 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC SC OV OV OV OV OV OV OV OV OV OV OV BK SC SC
CLOUD COVER (%) 40 35 50 80 90 80 75 70 70 70 80 85 85 75 55 50 50
TEMPERATURE 21 26 30 29 25 23 21 20 19 25 29 31 29 28 26 26 28
MAX/MIN TEMP 32 18 32 24
WIND CHILL 8 15 18 17 18
WIND DIR NW NW NW NW NW W S SE SE S S S S S S SW SW
WIND (MPH) 14 11 8 6 5 4 3 3 3 5 6 6 5 3 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 10 10 20 20 20 20 20 10 10 5 5 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1 0.1 0.3 0.4
SNOW RATIO (:1) 12 14 14 14 15 16 17 17 17 15 14 12 11 9 8 6 5
...MOUNT MOOSILAUKE (4802 FT)...
DATE WEDNESDAY 03/12/25 THURSDAY 03/13/25
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 SC BK OV OV OV OV BK OV BK OV OV OV OV OV BK OV
CLOUD COVER (%) 35 30 65 85 95 80 80 60 70 70 80 75 75 75 70 65 70
TEMPERATURE 17 18 21 22 20 21 18 18 19 22 24 27 24 23 22 22 23
MAX/MIN TEMP 24 16 28 20
WIND CHILL -1 2 8 10 9 11 7 6 7 11 13 17 12 12 11 11 12
WIND DIR NW NW NW NW NW W S S S S S S S SE SE SE SE
WIND (MPH) 24 18 13 12 9 8 9 10 11 10 11 11 12 11 10 10 10
WIND GUST (MPH)
PRECIP PROB (%) 5 0 5 10 10 20 20 20 10 10 10 5 0 0 0 0 0
PRECIP TYPE S S S
6 HOUR QPF 0.00 0.00 0.00 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) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.6 0.4 0.3 0.3 0.4 0.8
SNOW RATIO (:1) 14 14 15 16 16 17 17 17 16 15 13 12 10 8 7 6 5
$$
--- 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.