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 ...
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.
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 ...