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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] In 2023, it was announced by the Storm Prediction Center and National Weather Service Norman, Oklahoma that the 1970 Lubbock tornado was originally rated ...
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
A tornado outbreak threatened parts of the South on Saturday, prompting forecasters to issue a rare "particularly dangerous situation" alert amid severe storms that have killed at least one person ...
The claim: Video shows Dallas tornado on Oct. 26, 2024. A Nov. 1 Facebook video (direct link, archive link) shows a montage of tornado and storm footage."Tornado in Dallas, Texas today. Oct. 26 ...
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 ...
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
A tornado crosses a field in Katy, Texas, on Dec. 28, 2024, in this screengrab obtained from a social media video. Katy, Texas Porter Heights, Texas Severe weather warnings and watches map.