Winter Storm Ezra is causing significant travel disruptions across the United States during a peak travel period. Meteorologists predict the storm will intensify into a 'bomb cyclone,' bringing blizzard conditions, ice, heavy rain, and strong winds from Wisconsin to Maine. The storm has led to flight delays and ground stops at major airports, along with hazardous road conditions, power outages, and extreme temperature swings in some areas. Authorities are urging caution for travelers.