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 ...

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 ...

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 ...

TYPICALLY HERE IN CENTRAL FLORIDA, WHEN WE GET TORNADOES, THEY’RE MUCH WEAKER THAN THAT, CLASSIFIED AS F0, F1. SO THIS INDEED WAS A VERY, VERY RARE, STRONGER TORNADO. AGAIN, 90% ARE WEAK WITH ...