311  
FWAK47 PAJK 220201  
AVGAJK  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE JUNEAU AK  
501 PM AST SAT DEC 21 2024  
 
*** EXPERIMENTAL PRODUCT FOR EVALUATION ONLY ***  
 
THIS FORECAST IS FOR USE IN SNOW SAFETY ACTIVITIES AND EMERGENCY  
MANAGEMENT.  
 
...THE JUNEAU MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)  
AROUND DOWNTOWN JUNEAU AND DOUGLAS ISLAND...  
 
DATE SUNDAY 12/22/24 MONDAY 12/23/24  
TIME (LT) 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15  
3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 100 80 100 100 100 100 100 100 100 100 100 100 100 100  
TEMPERATURE 29 31 31 31 29 30 34 35 35 34 33 32 31 32 34 35  
MIN/MAX TEMP 29 33 30 35  
WIND DIR E E E E NE NE NE E E E E E E E E E  
WIND (MPH) 14 17 17 18 23 25 26 23 19 19 18 16 19 19 17 14  
WIND GUST (MPH) 35 39 39 42 51 52 51 48 43 43 44 37 41 40 39 34  
PRECIP PROB (%) 20 40 80 60 80 90 90 100 100 100 100 100 100 80 70 70  
PRECIP TYPE S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.15 0.38 0.37 0.55  
12 HOUR SNOW 0.1 1.0 1.1 1.6  
SNOW LEVEL (HFT) 38 40 25 19 17 20 20 22 21 21 20 22 21 22 21 20  
 
   
..NEAR SEA LEVEL AROUND JUNEAU  
 
DATE SUNDAY 12/22/24 MONDAY 12/23/24  
TIME (LT) 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15  
3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 100 80 100 100 100 100 100 100 100 100 100 100 100 100  
TEMPERATURE 36 36 36 36 36 37 40 40 40 39 39 37 36 38 40 41  
MIN/MAX TEMP 35 40 36 41  
WIND DIR E E E SE E E E E E E E E E E E SE  
WIND (MPH) 8 11 13 13 24 25 25 23 20 19 18 13 13 16 14 13  
WIND GUST (MPH) 39 40 39 36 41 43 43 40  
PRECIP PROB (%) 20 40 80 60 80 90 90 100 100 100 100 100 100 80 70 70  
PRECIP TYPE R R R R R R R R R R R R R R R R  
12 HOUR QPF 0.13 0.36 0.35 0.55  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
SNOW LEVEL (HFT) 40 41 27 20 18 21 21 24 23 23 22 21 19 20 21 21  
 
...THE KLONDIKE MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)  
ALONG THE KLONDIKE HIGHWAY AND TAIYA RIVER VALLEY...  
 
DATE SUNDAY 12/22/24 MONDAY 12/23/24  
TIME (LT) 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15  
3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 100 100 95 95 100 100 100 100 100 100 100 100 100 100  
TEMPERATURE 22 22 24 25 19 21 27 30 29 29 28 27 26 27 29 30  
MIN/MAX TEMP 19 24 24 30  
WIND DIR NE NE NE NE NE NE NE NE NE NE SE SW SW SW SW SW  
WIND (MPH) 16 17 17 14 10 12 12 13 11 10 10 14 16 17 17 18  
WIND GUST (MPH) 34 35 39 34 36 35  
PRECIP PROB (%) 20 40 60 70 80 80 90 90 90 80 90 100 100 80 80 70  
PRECIP TYPE S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.10 0.10 0.13 0.39  
12 HOUR SNOW 0.2 0.5 0.7 2.3  
SNOW LEVEL (HFT) 15 14 14 13 10 11 4 4 5 6 7 7 7 7 8 8  
 
   
..NEAR SEA LEVEL AROUND SKAGWAY  
 
DATE SUNDAY 12/22/24 MONDAY 12/23/24  
TIME (LT) 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15  
3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 100 100 100 100 100 100 100 100 100 100 100 100 100 100  
TEMPERATURE 35 35 36 37 33 35 38 40 39 39 38 37 36 37 39 40  
MIN/MAX TEMP 33 40 36 40  
WIND DIR NE NE NE NE NE NE NE NE NE NE SE SE SE SW SW S  
WIND (MPH) 18 13 13 16 11 11 12 11 10 10 9 12 13 12 14 13  
WIND GUST (MPH) 40 40 28 28 31 31 29  
PRECIP PROB (%) 20 50 60 70 80 80 90 90 90 90 90 100 100 90 80 70  
PRECIP TYPE R R R R R R S S S S S S S S S R  
12 HOUR QPF 0.13 0.14 0.18 0.47  
12 HOUR SNOW 0.0 0.1 0.3 0.8  
SNOW LEVEL (HFT) 18 16 15 14 12 12 6 5 6 7 8 9 9 9 11 11  
 
...THE HAINES MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)  
ALONG THE CHILKAT RIVER VALLEY AND THE TAKSHANUK MOUNTAINS...  
 
DATE SUNDAY 12/22/24 MONDAY 12/23/24  
TIME (LT) 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15  
3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 100 95 100 100 100 100 100 100 100 100 100 100 100 100 100 100  
TEMPERATURE 32 31 28 26 23 25 31 33 33 33 31 30 29 30 32 33  
MIN/MAX TEMP 24 28 27 33  
WIND DIR N SE E SE NW NW NW NW NW NW N SE SE E E SE  
WIND (MPH) 11 11 11 17 13 12 13 12 10 9 9 9 11 13 14 14  
WIND GUST (MPH) 32 40 33 33 34 32 32 34 34 35  
PRECIP PROB (%) 30 50 70 90 90 90 100 100 100 100 100 100 100 90 80 60  
PRECIP TYPE S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.16 0.33 0.39 0.52  
12 HOUR SNOW 0.3 1.4 1.7 2.3  
SNOW LEVEL (HFT) 19 18 17 16 15 14 11 10 10 12 12 17 18 18 17 15  
 
...NEAR SEA LEVEL AROUND HAINES AND LOWER ELEVATIONS ALONG THE HAINES HIGHWAY...  
 
DATE SUNDAY 12/22/24 MONDAY 12/23/24  
TIME (LT) 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15  
3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 100 95 100 100 100 100 100 100 100 100 100 100 100 100 100 100  
TEMPERATURE 35 35 36 37 33 34 37 38 38 38 37 36 35 36 38 39  
MIN/MAX TEMP 33 38 35 39  
WIND DIR NW NW NW NW NW NW NW NW NW NW S SE SE SE SE SE  
WIND (MPH) 8 8 9 10 11 11 11 11 10 9 9 11 12 13 13 13  
WIND GUST (MPH) 25 28 28 27 26 36 36 41 41 34  
PRECIP PROB (%) 30 50 70 80 90 90 100 100 100 100 100 100 100 90 80 60  
PRECIP TYPE S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.12 0.25 0.34 0.52  
12 HOUR SNOW 0.1 0.6 0.8 1.1  
SNOW LEVEL (HFT) 21 20 19 18 18 17 15 14 14 14 13 13 13 16 18 17  
 
 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
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