Cracks in snow propagate faster than expected
• Hundreds of ‘whumpfs’ reported since Jan 10, 2026, indicating widespread weak snow layers. • Whumpfs are sudden fractures that can quickly spread across terrain, risking avalanch
• Hundreds of ‘whumpfs’ reported since Jan 10, 2026, indicating widespread weak snow layers. • Whumpfs are sudden fractures that can quickly spread across terrain, risking avalanch