The scale ranked these tornadoes from F0 (weakest) to F5 (strongest). The exact rank is determined by meteorologists and engineers after conducting surveys of damage from a particular storm.

Spring has officially arrived in the Northern Hemisphere and the tornado season, especially in the U.S. east of the Rockies, has been ramping up. From March 13-17, over 100 twisters were reported that ...

Unfortunately, a few of those can be violent tornadoes, particularly in the South. On March 3, 1966, 59 years ago today, an F5 tornado tore a 202-mile long path across central and eastern Mississippi ...

77% were rated either F0/EF0 or F1/EF1. 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 ...

Tornadoes in the U.S. typically increase sharply in spring. Unfortunately, a few of those can be violent tornadoes, particularly in the South. On March 3, 1966, 59 years ago today, an F5 tornado ...