A relatively weak tornado produced a record-breaking and more-than-mile-wide swath of damage in Iowa. Here's how that stacks ...

Just four Ohio tornadoes since 1950 have received the most severe EF5 designation. The last time was May 31, 1985, when an EF5 tornado that tore through parts of Portage and Trumbull counties ...

A familiar face recalls the destructive 1965 Palm Sunday Tornado Outbreak on the 60-year anniversary and how it shaped his ...

This scale, implemented in 2007, categorizes tornadoes from EF0, the weakest tornadoes, to EF5, the strongest. The wind speeds are just estimates, based on damage surveys conducted by the National ...

Just four Ohio tornadoes since 1950 have received the most severe EF5 designation. The last time was May 31, 1985, when an EF5 tornado that tore through parts of Portage and Trumbull counties ...

There hasn't been an EF5 tornado since May 20, 2013. This is the well-known Moore Oklahoma tornado with unfortunately 24 fatalities and 212 injuries. To stream NewsWest9 on your phone, you need ...

A powerful, wide-reaching spring storm is threatening parts of the central and eastern US, with a life-threatening outbreak of long-lived and strong tornadoes possible in some areas. Follow here for ...

The most tornadoes reported in a single year was 258 in 2015, including the largest outbreak in Central ... Violent tornadoes — those rated F4/EF4 and F5/EF5 — are much rarer.

Spring's tornado threat area grows in size… and shifts: The areas with the biggest threat of tornadic ... The most violent F5/EF5 rating has been assigned to 59 tornadoes dating back to 1950 ...