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

No matter how big or strong, tornadoes are extremely dangerous. But back on May 13, 2013, the El Reno tornado took the cake for being the widest tornado ever record. At its widest point ...

Watch this video to learn about the largest tornado ever known to have formed, the El Reno tornado in 2013. Colorado Area Evacuated, School Closed As Emergency Alert Issued Kurt Russell delights ...

The largest measured tornado anywhere in the country was 2013’s El Reno tornado ... moisture is available to work with and how low the clouds condense. A more moist environment will generally ...