Numerous communities across St. Louis are still picking up the pieces from this year's tornadoes. History shows more twisters ...

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.

DALLAS — Tornado season in North Texas typically runs from late March into early June. While a tornado is possible almost any time of year ... shift in tornado alley over the last couple ...