The Flathead Avalanche Center, over in Hungry Horse, has issued a BACKCOUNTRY AVALANCHE WARMING on & below steep slopes at upper elevations in the Swan Range, Flathead Range & parts of Glacier National Park (John F. Stevens Canyon & Marias Pass area.) Heavy snowfall & powerful winds have created unstable slabs of new & drifted snow. Large & very LARGE avalanches are likely. These can fail spontaneously, or under the weight of a person or a snow machine. Travel in avalanche terrain is NOT recommended!

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