Avalanche Advisory Block

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Eastern Sierra Avalanche Advisory - 3/22/17

Bottom Line:

With between 4 and 10 inches of snow since Tuesday morning and moderate to strong winds, expect sensitive wind slabs above about 8500’ on leeward slopes as winds continue through Thursday. For Wednesday, southwest winds will favor wind slab formation on northwest through southeast aspects. Thursday, as the winds shift to the northwest, new slabs may develop on southerly and easterly facing slopes as well. As wind continues to load slopes, natural avalanches may be possible, and human triggered avalanches will be likely. Expect to trigger small wind slabs in many areas and large avalanches on steep terrain or the sidewalls of gullies, near convexities, and below ridge lines. Careful snow pack evaluation, cautious route-finding and conservative decision-making will be essential.

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