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The 1977 Birmingham–Smithfield F5 tornado's damage was surveyed by Ted Fujita and he "toyed with the idea of rating the Smithfield tornado an F6". [13] In 2001, tornado expert Thomas P. Grazulis stated in his book F5–F6 Tornadoes; "In my opinion, if there ever was an F6 tornado caught on video, it was the Pampa, Texas tornado of 1995". [14]
The scale has the same basic design as the original Fujita scale—six intensity categories from zero to five, representing increasing degrees of damage. It was revised to reflect better examinations of tornado damage surveys, in order to align wind speeds more closely with associated storm damage.
1953 Waco tornado outbreak; Tornado outbreak sequence of December 1–6, 1953; 1955 Great Plains tornado outbreak; List of tornadoes in the outbreak sequence of April 2–5, 1957; Tornado outbreak sequence of April 2–5, 1957; Tornado outbreak of May 24–25, 1957; Tornado outbreak sequence of June 20–23, 1957; May 1960 tornado outbreak sequence
Tornadoes are some of the most extreme weather events on Earth, and just like snowflakes, no two tornadoes are the same. No matter their shape or size, every type of twister can be dangerous, with ...
Here’s what we know about tornadoes in North Texas and why the region see’s so many: Why does North Texas see so many tornadoes? The Gulf of Mexico likely holds the answer.
Since 1950, there have been more than 9,700 tornadoes in Texas, killing hundreds and leaving behind billions of dollars worth of damage. On March 21, 2022, a tornado tore through Round Rock ...
The International Fujita scale (abbreviated as IF-Scale) rates the intensity of tornadoes and other wind events based on the severity of the damage they cause. [1] It is used by the European Severe Storms Laboratory (ESSL) and various other organizations including Deutscher Wetterdienst (DWD) and State Meteorological Agency (AEMET).
Two tornadoes that look almost the same can produce drastically different effects. Also, two tornadoes that look very different can produce similar damage, because tornadoes form by several different mechanisms and also follow a lifecycle that causes the same tornado to change in appearance over time. People in the path of a tornado should ...