Europe averages 300+ tornadoes per year - fewer than the US (~1,200) but not negligible. Most European tornadoes are weak (equivalent to EF0-EF1), but violent events do occur, especially in southern Europe and around thunderstorm hotspots like the Po Valley in Italy.
The United Kingdom actually has the highest tornado density per square mile in Europe. The UK averages 30-50 tornadoes per year - most are EF0-EF1 weak events, but occasional stronger tornadoes occur. Famous UK tornadoes:
France averages ~30-50 tornadoes per year. Peak activity in central and northern France. Notable events include the Val-de-Sarthe tornado (October 3, 2013) and the Ephebe-Occitanie tornado (August 24, 2014).
The Po Valley in northern Italy is one of Europe's most tornado-prone regions. It gets 15-25 tornadoes per year, some rated T5-T6 (F3-F4 equivalent). The area sees supercell thunderstorms similar to the US Great Plains, though on a smaller scale.
Notable Italian events:
Germany averages 30-40 tornadoes per year. Peak activity in the North German Plain. Occasional violent events include the Neumarkt-Kaisheim tornado (May 24, 2010) rated T5.
Spain gets 20-30 tornadoes per year, mostly weak. The 2012 Extremadura tornado was a rare T4 event.
Central European countries see 5-15 tornadoes per year each. The 2019 Czech Republic and 2021 Moravia events reminded the region that violent tornadoes are possible.
Europe uses the TORRO Tornado Intensity Scale (T0 through T11) developed by the Tornado and Storm Research Organisation. Rough equivalents to Fujita:
The TORRO scale extends to T11 for hypothetical extremely violent events. It has more granular ratings for weaker tornadoes.
Europe's tornado activity is limited by:
European storm chasing communities are small but active. The Po Valley and central France are the main chase destinations. Notable European chasers include British and Italian meteorologists who study the region's severe weather.
European warning systems vary by country:
Compared to the US NWS, European tornado-specific warning capabilities are limited but improving.
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