Tioga Pass Wet Avalanche, April 27th, 2013 | Donโt Let Your Guard Down… Recent temperatures in the Eastern Sierra have been swinging almost 40 degrees a day. Although spring skiing may seem casual, when the snow pack heats up this drastically, wet avalanches or wet slides can be a considerable danger in the backcountry. Hereโs a quote from the US Forest Service about wet avalanches: “Wet avalanches usually occur when warm air temperatures, […] Weather Andrew Marshall | April 29, 2013 6 Comments