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Alpine Forecast

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Synopsis:
We will see another day of warm sunshine before the ridge breaks down tomorrow and a front brings some showers later in the day. Cooler unsettled conditions will prevail through the week.

 

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7-Day Valley Forecast

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Whistler Valley Forecast by Environment Canada updated: Tuesday April 21, 2015 at 06:05 PDT

Tuesday
Increasing cloudiness. 40 percent chance of showers late this afternoon. High 16 except 20 near Pemberton.
Humidity: 45%

Tuesday night
Showers. Low plus 5.
Humidity: 75%

Wednesday
A mix of sun and cloud. 40 percent chance of showers in the morning and afternoon. High 9.
Humidity: 60%

Thursday
Cloudy with 60 percent chance of showers. Low plus 4. High 10.
Humidity: 60%

Friday
Cloudy with 60 percent chance of showers. Low plus 4. High 9.
Humidity: 65%

Saturday
A mix of sun and cloud. Low plus 1. High 13.
Humidity: 55%

Sunday
A mix of sun and cloud. Low plus 4. High 16.
Humidity: 55%

Monday
A mix of sun and cloud with 30 percent chance of showers. Low 6. High 17.
Humidity: 55%

 

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LOW RISK


Travel Advice:

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Likelihood of Avalanches:

Natural and human-triggered avalanches unlikely.

Avalanche Size and Distribution:

Small avalanches in isolated areas or extreme terrain.
Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

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MODERATE RISK


Travel Advice:

Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern.

Likelihood of Avalanches:

Natural avalanches unlikely; human-triggered avalanches possible.

Avalanche Size and Distribution:

Small avalanches in specific areas; or large avalanches in isolated areas.
Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

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CONSIDERABLE RISK


Travel Advice:

Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential.

Likelihood of Avalanches:

Natural avalanches possible; human-triggered avalanches likely.

Avalanche Size and Distribution:

Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas.
Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

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HIGH RISK


Travel Advice:

Very dangerous avalanche conditions. Travel in avalanche terrain not recommended.

Likelihood of Avalanches:

Natural avalanches likely; human-triggered avalanches very likely.

Avalanche Size and Distribution:

Large avalanches in many areas; or very large avalanches in specific areas.
Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

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EXTREME RISK


Travel Advice:

Avoid all avalanche terrain.

Likelihood of Avalanches:

Natural and human triggered avalanches certain.

Avalanche Size and Distribution:

Large to very large avalanches in many areas.
Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

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NO RATING


Travel Advice:

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Likelihood of Avalanches:

Natural and human-triggered avalanches unlikely.

Avalanche Size and Distribution:

Small avalanches in isolated areas or extreme terrain.
Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

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Avalanche Advisory Report

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This advisory refers to areas outside the ski area boundary. Tap icons for avalanche details. Report issued: Monday, April 20, 2015 8:18 AM

Monday
Tuesday
Wednesday
Alpine:
Treeline:
Below Treeline:
Snow Travel
Avalanche Problem: Cornices will become increasingly fragile today with the forecast warm temperatures The storm snow is well settled and a melt freeze cycle has taken over on all aspects except true north in the alpine terrain. The avalanche danger will be low in the mornings but will rise through the day as the surface crust breaks down. There was little overnight crust recovery so the surface will quickly deteriorate today. Heavy loads and rapid warming have the potential to trigger a deeper slab that could step down to the April 11th crust or even possibly the March 11th weakness.
Activity
The storm snow has settled and slab avalanche activity has diminished. Some moist sluffs were reported yesterday.
Weather
We will see another day of warm sunshine before the ridge breaks down tomorrow and a front brings some showers later in the day. Cooler unsettled conditions will prevail through the week.
Info
Watch out for winch-cats or snowmobile traffic if you re-enter the area after operating hours. Whistler Mtn. Snow Safety

Note

This three day avalanche hazard forecast is prepared for the area immediately surrounding Whistler Blackcomb -  terrain easily accessible as a day tour from WB’s boundaries. In contrast, the Canadian Avalanche Centre posts avalanche advisories for the Sea to Sky corridor; ranging from ‘the Duffey’ to the Fraser Valley.

This advisory refers to areas outside the ski area boundary.

 

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Backcountry Information

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What You Should Know...

Every backcountry user should be well prepared and travel with experienced backcountry users. Each member should carry an avalanche transceiver on the 457 KHz frequency and carry equipment for self-rescue.

Our avalanche advisory is updated regularly during the winter season from November through to June. Our hours of operation page has opening and closing dates and times for our winter season. Whistler Mountain's avalanche forecasters post bulletins updating the status and stability of the snow in the backcountry based on snow surveys taken from both within and outside the ski area boundaries.

Be aware that conditions may change and sometimes vary from one slope to the next.

 

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Weather Plots

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Web Cams

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Whistler Cam

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Whistler Mountain - 1850m / 6069ft
4.8°C / 39°F

 

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Blackcomb Cam

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Blackcomb Mountain - 1860m / 6102ft
3.1°C / 37°F

 

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Whistler Peak Cam

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Whistler Peak - 2182m / 7160ft
1.8°C / 34°F

 

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Glacier Cam

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Glacier Express and Horstman Hut
2137m / 7011ft

 

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Whistler Village Cam

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Whistler Village - 675m / 2214ft
6.0°C / 43°F

 

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Sea to Sky Hwy Cams

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Sea to Sky Hwy Cams

 

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Grooming Blackcomb

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Last updated: 4/21/2015 6:05:02 AM
0 Runs Groomed on Blackcomb:

7th Heaven (0)

Glacier Express (0)

Crystal Ridge (0)

Jersey Cream (0)

Solar / Excelerator (0)

Wizard / Excalibur (0)

 

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Grooming Whistler

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Last updated: 4/21/2015 6:05:02 AM
0 Runs Groomed on Whistler:

Peak Zone (0)

Harmony (0)

Symphony (0)

Big Red - Garbanzo (0)

Emerald - Garbanzo (0)

Creekside (0)

Village - Fitzsimmons (0)

 

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Today on the Mountain

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