Mount Everest Snowstorm Crisis: Rare Himalayan Blizzard Traps Hundreds of Trekkers and Exposes Deepening Climate and Tourism Fault Lines
A Rare Storm Triggers a Mount Everest Crisis The sudden blizzard The first week of October is normally considered a safe window to visit Tibet’s Karma Valley on the northern slopes of Mount Everest. The monsoon rains typically retreat, leaving crisp skies and manageable snow cover. But in 2025 the weather defied expectations. A low‑pressure system lingering over the Bay of Bengal channelled moist air into the Himalayas foxweather.com. When the warm, humid air hit cold Himalayan air masses at around 4,000 m, a convective snowstorm formed over the Everest region. Snow began falling on Friday and intensified over the weekend, blanketing