Tornadoes are among the most destructive forces of nature, with the power to wipe out entire neighborhoods in minutes. The first tornado forecast was issued on March 25, 1948, a time when they were ...
Unfortunately, a few of those can be violent tornadoes, particularly in the South. On March 3, 1966, 59 years ago today, an ...
But the biggest difference ... for various types of buildings and structures. As a result, tornadoes that might have been classified as F5 under the old system could now be assigned an EF4 ...
A quirky aspect of the way we measure twisters helps explain why there hasn't been a top-tier-rated tornado in 12 years.
The scale ranked these tornadoes from F0 (weakest) to F5 (strongest). The exact rank is determined by ... was developed and put into practice after February 1, 2007. What's the biggest difference?