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⚠️This image of Mt. Trelease above I-70 near the Eisenhower Tunnel should grab your attention: It’s a very large avalanche both in general (D3) and for this terrain feature (R4). We’ve seen a lot of avalanches over the last few days, but this is one of the largest slides reported so far this season. It was remotely triggered by skiers from low-angle terrain. There were at least three parties in the area. Luckily, nobody was involved, but it was a close call. This is an important marker for anyone heading into the backcountry: You can trigger very large avalanches from adjacent slopes or the bottom of avalanche paths–even if you’re hundreds or even 1,000 feet away in gentle or flat terrain. The potential of triggering, and remotely triggering, a large or very large avalanche is why we’ve issued a Special Avalanche Advisory through Wednesday afternoon. This advisory is in place to alert people that dangerous avalanche conditions exist during a busy holiday period when many people are out recreating and enjoying the much-awaited fresh snow. You can enjoy the new snow safely, but you need to be aware of the avalanche danger and take action to avoid it. 🚨The bottom line: You can easily trigger avalanches large enough to injure or kill you and can do so from a long distance. Safe travel will require giving most slopes steeper than around 30 degrees wide buffers. Get the latest information for wherever you plan to travel at Colorado.gov/avalanche . 📷 Mt. Trelease near the Eisenhower Tunnel | southeast-facing slope above treeline |December 31, 2024 #AvySafety #GetTheForecast #FriendsofCAIC #COAvyObs #COAvalancheInfo