By June, those same splotches of bad weather on the forecast maps are slated to expand, encompassing the rest of Tornado Alley, worsening in the Midwest and becoming severe over the Carolinas.

Maps of patterns of tornadogenesis ... especially in the Plains and the Midwest. NOAA has confirmed 39 tornado-related deaths ...

A Feb. 21-22, 1971 outbreak claimed 121 lives from Texas to North Carolina, the deadliest February rash of tornadoes in ...

In the past decade, however, the line has shifted eastward by about 200 miles, increasing tornado activity over a large portion of the Midwest and ... Our interactive map, which contains data ...

Violent storms ravaged the Midwest and South of the U.S., tearing down houses in six states Tornado that hit Harrisburg in southern Illinois was 200 yards wide and measured 170mph Six died when a ...

In the past decade, however, the line has shifted eastward by about 200 miles, increasing tornado activity over a large portion of the Midwest and Southeast. This includes the lesser-known tornado ...

In the map below, note how the majority of those tornadoes were in the Midwest, not in the South. Most bizarre of all, Wisconsin had its first February tornado in records dating to before ...