But what are EF5 tornadoes, and are they different from their F5 counterparts? Here are all the available details regarding the nomenclature of the chaotic natural phenomena. Simply put ...

The town of Sunfield, Illinois, about 65 miles southeast of St. Louis, was wiped out by one of the 25 tornadoes. It was later rated F5 after the Fujita scale was implemented in 1971. Incredibly ...

but not all supercells produce tornadoes. Damage from the 1999 F5 tornado that struck Moore, Oklahoma. Photo courtesy NOAA. Dr. T. Theodore Fujita developed the Fujita Tornado Damage Scale (F ...

Both countries are thought to get their share of deadly tornadoes: one tornado north of Moscow in 1984 may have been an F5—the most destructive type of funnel—and southeastern China is ...

Nowhere was this more exemplified than in the deadly El Reno F5 tornado in 2013 that killed veteran storm chaser Tim Samaras and the TWISTEX crew. Samaras was known as one of the most professional ...

Violent tornadoes — those rated F4/EF4 and F5/EF5 — are much rarer. Only 89 such tornadoes were reported during the same time period, accounting for 0.9% of all tornadoes. In fact, only six ...

The town of Sunfield, Illinois, about 65 miles southeast of St. Louis, was wiped out by one of the 25 tornadoes. It was later rated F5 after the Fujita scale was implemented in 1971. Incredibly, only ...