The images coming out of Moore, Oklahoma serve as a powerful reminder of nature’s fury. That community experienced the ...

By decade, the 1990s had the most double-digit tornado dates, as 15 tornadoes touched down on one day in 1991, 1992 and 1997. The chart below ... rather than spread over time.

The database's tornadoes-by-year graph would at first seem to indicate that tornado frequency has increased over time, but that isn't the full story. "It was not until the early to mid-1990s that ...