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How does heavy snowfall cause avalanches?
Heavy snowfall adds weight to existing snow layers, which can destabilize the snowpack. When new snow accumulates rapidly or falls on unstable layers, it can trigger avalanches, especially if combined with wind or temperature changes that weaken snow stability.
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What signs indicate high avalanche risk?
Signs of high avalanche risk include recent heavy snowfall, strong winds creating wind slabs, cracking snow, or recent avalanches in the area. Checking official avalanche forecasts and warnings is essential before heading into the mountains.
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How can skiers stay safe off-piste?
Skiers should always check avalanche forecasts, carry safety equipment like beacons, probes, and shovels, and avoid risky slopes during high danger periods. Traveling with experienced guides and staying on designated trails can also reduce risk.
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What should you do if caught in an avalanche?
If caught in an avalanche, try to escape to the side, create an air pocket, and hold onto your equipment. Once the avalanche stops, remain calm, assess your surroundings, and call for help if possible. Wearing a helmet and carrying safety gear can improve survival chances.
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Why are avalanches more common during storms?
Storms bring heavy snowfall and strong winds, which create unstable snow layers and wind slabs. These conditions weaken the snowpack, making it more prone to sliding and triggering avalanches, especially in high-altitude areas.
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Can avalanches be predicted?
While experts can forecast avalanche risk based on weather patterns, snowpack conditions, and recent activity, they cannot predict exact avalanche events. Always heed official warnings and exercise caution during high-risk periods.