London Tornado of 1091

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The London Tornado of 1091 is reckoned by modern assessment of the reports as possibly a T8 tornado (roughly equal to an F4 tornado). Britain's earliest reported tornado, it occurred on 17 October 1091, killing two.[1] The wooden London Bridge was demolished, and the church of St. Mary-le-Bow in the city of London was badly damaged; four rafters 26 feet (7.9 m) long were driven into the ground with such force that only four feet (1.2 m) protruded above the surface. Other churches in the area were demolished, as were over 600 (mostly wooden) houses.[2]

[edit] Notes

  1. ^ 23 October by modern reckoning, adjusted for the difference between the Julian calendar then in use and the Gregorian Calendar.(PBS Hunt for the Supertornado)
  2. ^ (Tornado and Storm Research Organisation) Tornado extreme

[edit] Further reading

  • "Tornadoes in medieval Britain", Journal of Meteorology 1.7, (April 1976)


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