By Paul Homewood
According to NOAA, the number of tornadoes has been steadily growing since the 1950s, despite a drop in numbers in the last five years.
They show the above chart prominently in their Tornadoes – Annual 2016 Report.
However, they know full well that it is meaningless to compare current data with the past, as they explain themselves in the section Historical Records and Trends, which is hidden away on their own website:
One of the main difficulties with tornado records is that a tornado, or evidence of a tornado must have been observed. Unlike rainfall or temperature, which may be measured by a fixed instrument, tornadoes are short-lived and very unpredictable. If a tornado occurs in a place with few or no people, it is not likely to be documented. Many significant tornadoes may not make it into the historical record since Tornado Alley was…
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