摘要: AbstractUsing historical sources derived from 12 Polish digital libraries, an investigation into killer tornado events was carried out. Although some of the cases took place more than 150 years ago, it still possible to identify phenomena and course events. This study has shown that contain dozens reports, sometimes with information precise enough reconstruct damage paths. In total, 26 newly identified deadly were on 11 currently known expanded. An average 1–2 tornadoes 5 fatalities may be depicted for each decade this rate is decreasing over time. It estimated 5%–10% significant in Poland have caused number per roughly 0.27. Most reported late July early August. The majority deaths injuries associated victims being lifted o...