I don’t have live tool access in this turn, but I can share what’s widely documented about the London tornado of 1091 and point you to where you can verify the latest discussions.
Direct answer
- The London tornado of 1091 is the earliest widely cited tornado in England, historically dated to October 17–23, 1091, with most sources settling on October 17 or 23 depending on chronicler and calendar interpretation. It is described as a violent event that damaged St Mary-le-Bow and destroyed hundreds of wooden houses and other structures, with very few recorded deaths. Contemporary and later historians have long linked it to extreme wind speeds, with some assessments likening it to the upper end of historical tornado intensity for Britain.
Key points and context
- Historical accounts emphasize extraordinary destruction: St Mary-le-Bow’s roof and large timber beams were reported to have been driven into the ground, and hundreds of nearby wooden houses were levelled or damaged. These details come from medieval chronicles and later reconstructions, which anchor the event as one of the strongest tornadoes in the British Isles in the medieval period. The specifics about beam lengths and the number of affected buildings are frequently cited in summaries and secondary sources. These descriptions support its placement among the most intense tornadoes historically recorded in Britain.
- Intensity estimates vary: modern assessments commonly place the event among the strongest known UK tornadoes (often compared to high-end TORRO/European tornado scales), though applying contemporary scales to medieval phenomena is approximate and debated. The general consensus is that winds were exceptionally powerful for the era, contributing to its notoriety as an early example of a major tornado in the British Isles.
- Date labeling differences: historical dating can differ due to calendar changes and the reporting conventions of chroniclers. Some sources cite October 23 as the date, while others reference October 17; both reflect the same event in late October 1091, depending on the source.
What you can do to verify or explore further
- Check established reference sites on historical English weather events (e.g., Historic UK) for summaries and near-contemporary descriptions, which often include the casualty figures, structural damage, and physical remnants reported in chronicles.
- Review the London tornado entry on Wikipedia or other historical weather compendia for consolidated timelines, principal witnesses, and cross-referenced sources.
- If you’re looking for the most up-to-date scholarly discussion, search for recent reviews in meteorology or British medieval history journals that discuss early tornadoes and their historiography.
If you’d like, I can pull together a concise up-to-date briefing with inline citations from reliable sources and, optionally, a simple timeline or a brief comparison table with the main sources and their dates.
Sources
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www.reaction.lifePosts about London Tornado 1091 written by cottagecapers
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www.cbsnews.comThis Day In History: October 23, 1091 Tornadoes aren’t the first thing to leap to mind when picturing Merry Olde England, but a whopper of a twister tore through London on October 23, 1091. It is thought to be the largest known tornado in the UK, as well as the earliest – at least that we know about. From contemporary [...]
www.todayifoundout.comLearn London tornado of 1091 facts for kids
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