5 massive turbines crumpled as Iowa wind farm suffers rare direct hit from powerful tornado

A wind farm in southwest Iowa suffered a direct hit from a powerful tornado that crumpled five of the massive, power-producing towers, including one that burst into flames. But experts say fortunately such incidents are rare. Video of the direct hit on the wind farm near Greenfield, Iowa, showed frightening images of the violent twister ripping through the countryside, uprooting trees, damaging buildings and sending dirt and debris high into the air. Several of the turbines at MidAmerican Energy Company’s Orient wind farm recorded wind speeds of more than 100...