The worst type of tornado hasn't hit the US for over a decade, perplexing experts
Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading system is to blame.
The Enhanced Fujita Scale: A Tornado Rating System
The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.
100 years since deadliest tornado in U.S. history
On March 18, 1925, the tri-state tornado tore across 219 miles of Missouri, Illinois and Indiana, killing 695 people. "CBS ...
Recapping historic tornadoes in Indiana on 100th anniversary of Tri-State Tornado
The Tri-State Tornado, Palm Sunday, Super Tornado Outbreak and Henryville are just some of the list to date. INDIANAPOLIS — ...
100 years ago, the deadliest tornado in history touched down in Missouri
Communities across Missouri, Illinois, and Indiana were devastated by the deadliest and longest-running tornado ever recorded ...
KMBZ Radio Kansas City on MSN3d
Tri-State Tornado, deadliest in recorded US history, ripped through Missouri, Illinois and Indiana 100 years ago
The deadliest twister in recorded U.S. history struck 100 years ago Tuesday, touching down in southeastern Missouri and ...
ABC 17 News1d
Tri-state tornado: 1925 tragedy that remains the deadliest in U.S. history
Discover the devastating history of the Tri-State tornado, which spanned 219 miles, causing 695 deaths and 2,027 injuries ...