Thursday, March 13, marked 35 years since a destructive force scarred communities in Reno and Harvey counties. The Hesston ...

Just 11 days later, another catastrophic tornado touched down in Oklahoma, hitting 35 miles northwest of Moore in El Reno. This was ... a survey team inspects the damage. Based on the assessment ...

In 2013, another radar truck calculated 313 mph winds near the El Reno ... This leaves damage as the best way to determine the strength of most tornadoes.

This level of damage would likely warrant an EF-3 rating. STAY SAFE: Watch? Warning? How we communicate severe weather in Canada Just one week after the Moore tornado in May 2013, the widest tornado ...

The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.

Tornadoes are among the strongest and deadliest types of weather, capable of destroying entire neighborhoods in minutes. However, the most powerful tornadoes, classified as EF5, make up less than 1% ...