PERILS Raises Insured Loss Estimate for Windstorm Nils (France) to €767m – May 2026

PERILS, a Zurich-based catastrophe insurance data provider, has raised its second industry insured loss estimate for extratropical windstorm Nils (also known as Ulrike) to €767 million, a 31% increase from the initial estimate of €586 million issued in late March 2026. The storm struck the Nouvelle-Aquitaine and Occitanie regions of southwest France from 11–13 February 2026, generating the largest single-event loss of the 2025/2026 European windstorm season. At its peak, approximately 900,000 households lost electricity, extreme winds damaged thousands of structures, and flooding and avalanches compounded the destruction. The event is described as the most impactful storm to hit southwestern France since Klaus in January 2009.

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