Matt Young

"In New Hampshire late on a Sunday afternoon in September 1821 a tornado blasted its way from the Connecticut River to the Merrimack in a single hour by way of Lake Sunapee and Mount Kearsarge. It was part of a rapidly advancing, 300-mile front of severe thunderstorms that stretched from Canada practically down to New York City. A dozen years of 'strange portents and lurking malignancies' preceded the Tornado of 1821 -- a comet, strong earthquakes,...