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(NOAA SPC) As of Thursday morning, there have been 699 preliminary tornado reports across the United States, well above the historical average of 549 through May 8, according to the Storm ...
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Completed Tornado Diagram. Tornado diagrams, also called tornado plots, tornado charts or butterfly charts, are a special type of Bar chart, where the data categories are listed vertically instead of the standard horizontal presentation, and the categories are ordered so that the largest bar appears at the top of the chart, the second largest appears second from the top, and so on.
First of the Palm Sunday outbreaks; one of the deadliest outbreaks in US history. Tornadoes devastated the Great Lakes and Ohio Valley, including parts of the Chicago metropolitan area. Other long-track killer tornadoes tore across the Southern states. Official death toll is uncertain and may be considerably higher than what is listed.
Some of the most notorious twisters in U.S. history were wedge tornadoes, including the EF5 that leveled Joplin, Missouri, on May 22, 2011, and the El Reno tornado, which was a jaw-dropping 2.6 ...
The deadliest tornado in modern U.S. history struck Joplin, Missouri, on May 22, 2011. It was the deadliest tornado since SPC records began in 1950. Nearly 1,000 were injured. The EF5 tornado had ...
Strong mesocyclones show up as adjacent areas of yellow and blue (on other radars, bright red and bright green), and usually indicate an imminent or occurring tornado. The history of tornado research spans back centuries, with the earliest documented tornado occurring in 200 and academic studies on them starting in the 18th century. This is a ...
The most comprehensive historical database was compiled by Tom Grazulis of the Tornado Project and exhaustively covers known significant tornadoes for the period from 1680 to 1995. Both the Storms Event Database and Storm Data are official records. The database and the publication are from the same source but the database is more easily searchable.