The Adirondacks are prone to powerful windstorms, isolated tornadoes, and occasional hurricanes, derechos, and microbursts. Perhaps the second most destructive of these in modern Adirondack history (next to the 1998 Ice Storm) occurred in November, 1950.
The Big Blowdown brought heavy rains and winds in excess of 100 mph. In a single day – November 25th – more than 800,000 acres of timber was heavily damaged. The storm caused a complete shutdown of the roads and trails across large swaths of the park, a historic suspension of the State Constitution, a temporary glut in the spruce market, and a political impact that continues to this day.