”’Storm Poly”’, also known as ”’Cyclone Poly”’,<ref>{{cite news |title=Ravage, verdriet en indrukwekkende plaatjes: de storm in foto’s |url=https://www.nhnieuws.nl/nieuws/321517/ravage-verdriet-en-indrukwekkende-plaatjes-de-storm-in-fotos}}</ref> was an extremely violent [[European windstorm]], and the first [[subtropical storm]] ever recorded over the North Sea according to a research conducted by the Utrecht University and the KNMI.<ref>{{cite web | url=https://studenttheses.uu.nl/handle/20.500.12932/47143 | title= Poly: A Perfect Storm – Phenomenology, North Sea Influence, and Insights into Hybrid Cyclogenesis | publisher=studenttheses.uu.nl }}</ref> The storm affected the [[Benelux]], Germany, and the United Kingdom during July 2023. The thirty-seventh windstorm of the [[2022–23 European windstorm season]], Poly was named by the [[Free University of Berlin]] on 4 July. It later became the most intense summer storm to impact the Netherlands, bringing destructive gusts to the nation, peaking at {{convert|92|mph|km/h|abbr=on|disp=flip}} in [[IJmuiden]].<ref>https://www.eumetsat.int/storm-poly</ref><ref>{{Cite news |date=5 July 2023 |title=Storm Poly – Strongest summer storm on record hits the Netherlands |url=https://watchers.news/2023/07/05/storm-poly-strongest-summer-storm-on-record-hits-the-netherlands/ |access-date=14 January 2024 |work=Watchers}}</ref><ref name=”:0″ /> In Germany, lesser winds of {{convert|50|-|60|mph|km/h|disp=flip}} were recorded.<ref>{{Cite news |date=5 July 2023 |title=Rare, potent summer windstorm turns deadly in Netherlands and Germany |url=https://www.accuweather.com/en/severe-weather/rare-potent-summer-windstorm-turns-deadly-in-netherlands-and-germany/1553641/amp |access-date=15 January 2024 |work=[[AccuWeather]]}}</ref> Poly was also one of the only subtropical cyclones reaching a hurricane-equivalent intensity. In total, two fatalities occurred: one in the Netherlands,<ref name=”:1″ /> and another in Germany.<ref>{{Cite web |last=NDR |title=Sturmtief “Poly”: Bahnverkehr stabilisiert sich nach Unwetter |url=https://www.ndr.de/nachrichten/info/Sturmtief-Poly-Bahnverkehr-stabilisiert-sich-nach-Unwetter,unwetter4008.html |access-date=2024-01-15 |website=www.ndr.de |language=de}}</ref> Poly caused at least {{Currency|50000000|EUR}} (2023) in damages.<ref>{{Cite web |last=Sanou |first=Hanneke |date=2023-07-06 |title=Damage done by Poly estimated at €50-100m but could be higher |url=https://www.dutchnews.nl/2023/07/damage-done-by-poly-estimated-at-e50-100m-but-could-be-higher/ |access-date=2024-01-15 |website=DutchNews.nl |language=en-GB}}</ref> There was a mild storm surge in the Netherlands due to Poly, which caused limited floodings in combination with a large amount of precipitation.
”’Storm Poly”’, also known as ”’Cyclone Poly”’,<ref>{{cite news |title=Ravage, verdriet en indrukwekkende plaatjes: de storm in foto’s |url=https://www.nhnieuws.nl/nieuws/321517/ravage-verdriet-en-indrukwekkende-plaatjes-de-storm-in-fotos}}</ref> was an extremely violent [[European windstorm]].<ref>{{cite web | url=https://studenttheses.uu.nl/handle/20.500.12932/47143 | title= Poly: A Perfect Storm – Phenomenology, North Sea Influence, and Insights into Hybrid Cyclogenesis | publisher=studenttheses.uu.nl }}</ref> The storm affected the [[Benelux]], Germany, and the United Kingdom during July 2023. The thirty-seventh windstorm of the [[2022–23 European windstorm season]], Poly was named by the [[Free University of Berlin]] on 4 July. It later became the most intense summer storm to impact the Netherlands, bringing destructive gusts to the nation, peaking at {{convert|92|mph|km/h|abbr=on|disp=flip}} in [[IJmuiden]].<ref>https://www.eumetsat.int/storm-poly</ref><ref>{{Cite news |date=5 July 2023 |title=Storm Poly – Strongest summer storm on record hits the Netherlands |url=https://watchers.news/2023/07/05/storm-poly-strongest-summer-storm-on-record-hits-the-netherlands/ |access-date=14 January 2024 |work=Watchers}}</ref><ref name=”:0″ /> In Germany, lesser winds of {{convert|50|-|60|mph|km/h|disp=flip}} were recorded.<ref>{{Cite news |date=5 July 2023 |title=Rare, potent summer windstorm turns deadly in Netherlands and Germany |url=https://www.accuweather.com/en/severe-weather/rare-potent-summer-windstorm-turns-deadly-in-netherlands-and-germany/1553641/amp |access-date=15 January 2024 |work=[[AccuWeather]]}}</ref> In total, two fatalities occurred: one in the Netherlands,<ref name=”:1″ /> and another in Germany.<ref>{{Cite web |last=NDR |title=Sturmtief “Poly”: Bahnverkehr stabilisiert sich nach Unwetter |url=https://www.ndr.de/nachrichten/info/Sturmtief-Poly-Bahnverkehr-stabilisiert-sich-nach-Unwetter,unwetter4008.html |access-date=2024-01-15 |website=www.ndr.de |language=de}}</ref> Poly caused at least {{Currency|50000000|EUR}} (2023) in damages.<ref>{{Cite web |last=Sanou |first=Hanneke |date=2023-07-06 |title=Damage done by Poly estimated at €50-100m but could be higher |url=https://www.dutchnews.nl/2023/07/damage-done-by-poly-estimated-at-e50-100m-but-could-be-higher/ |access-date=2024-01-15 |website=DutchNews.nl |language=en-GB}}</ref> There was a mild storm surge in the Netherlands due to Poly, which caused limited floodings in combination with a large amount of precipitation.
