A total of 161 people lost their lives in Joplin from the catastrophic tornado, with 158 of those considered to be direct ...

The deadliest tornado in recorded U.S. history occurred 100 years ago. The Tri-State Tornado touched down in southeastern ...

But the biggest difference ... for various types of buildings and structures. As a result, tornadoes that might have been classified as F5 under the old system could now be assigned an EF4 ...

Tornadoes can have extreme differences in how fast they move. Past history shows they can track as fast as traffic on an ...

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.