Level 4 Wet Avalanche Danger Issued Across European Alps as Spring Snowpack Becomes Unstable Avalanche warning services across the Alps have issued stark warnings for Monday, April 13, as a dangerous mix of rain, warming temperatures, and a saturated snowpack drives wet avalanche danger to Level 4 (“high”) in parts of the region. Switzerland’s WSL Institute for Snow and Avalanche Research SLF and authorities in Tyrol are among those raising the alarm, warning that […] Avalanche AvyBrains | April 12, 2026 0 Comments