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PERILS Raises Windstorm Nils (Ulrike) Insured Loss Estimate 31% to €767m – Southwest France, Feb 2026
Occurred 11 Feb 2026·Detected 13 May 2026·
🇫🇷 Nouvelle-Aquitaine and Occitanie regions, southwest France; also French Alps (avalanche impacts)1 reportEnded 29 May 2026
Natural CatastrophePropertyMarine CargoEnergyCasualty & LiabilityReinsurance
Extratropical windstorm Nils (also known as Ulrike) struck the Nouvelle-Aquitaine and Occitanie regions of southwest France from 11–13 February 2026, bringing extreme winds, flooding, and avalanches in the French Alps. PERILS has revised its insured industry loss estimate upward by nearly 31%, from €586 million to €767 million, based on updated claims data from impacted insurers covering property and motor lines. The storm was identified as the largest single event loss of the European windstorm season 2025/26, with wind losses driving the majority of the insured loss. PERILS will publish a further updated estimate on 13 August 2026.
AI-generated from linked source reports. See our correction policy.
Impact verdict
Medium impact. Insured losses of €767 million represent a meaningful but regionally contained nat-cat loss for France; significant for European property and reinsurance books but below major catastrophe thresholds. Loss development is ongoing with further upward revision possible.
View assessment methodologyHow we grade what we know -- Known · Reported · Uncertain. Methodology →
Intelligence ledger
Each line expands in place to its underlying sourced claim.
Known6 lines
Windstorm Nils/Ulrike impacted southwest France (Nouvelle-Aquitaine and Occitanie regions) from 11–13 February 2026.▾
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PERILS revised insured industry loss estimate from €586 million (March 2026 initial estimate) to €767 million, a 31% increase.▾
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No separate sourced-claim record is available for this line yet.
Loss estimate is based on data from impacted insurers, covering property and motor lines.▾
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No separate sourced-claim record is available for this line yet.
Two fatalities were reported.▾
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PERILS will provide a further updated loss estimate on 13 August 2026.▾
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No separate sourced-claim record is available for this line yet.
Nils was the largest single-event loss of the European windstorm season 2025/26.▾
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Reported3 lines
Storm also caused avalanches in the French Alps.▾
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No separate sourced-claim record is available for this line yet.
The European windstorm season 2025/26 had only two events exceeding PERILS loss-capturing thresholds: Goretti (€479m, January 2026) and Nils (€767m, February 2026).▾
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Season described as 'second consecutive season with notably low European windstorm losses.'▾
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Uncertain2 lines
Final insured loss total remains subject to further claims development; a third estimate is due August 2026.▾
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No separate sourced-claim record is available for this line yet.
Breakdown between wind losses and flood/avalanche losses is not fully specified beyond wind being the majority.▾
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No separate sourced-claim record is available for this line yet.
Affected countries
🇫🇷 France
Timeline
Closure2 Jun 2026, 13:05
Event Closed
auto_closed_monitoring_timeout
Status Change2 Jun 2026, 13:05
Lifecycle changed
monitoring → closed
Status Change29 May 2026, 05:30
Status changed to monitoring
Auto-transitioned: no updates for 6 hours
active → monitoring
Status Change28 May 2026, 22:36
Status changed to active
remediation: existing authoritative signal
signal → active
Initial Detection13 May 2026, 15:20
Initial Detection
Extratropical windstorm Nils (also known as Ulrike) struck the Nouvelle-Aquitaine and Occitanie regions of southwest France from 11–13 February 2026, bringing extreme winds, flooding, and avalanches in the French Alps. PERILS has revised its insured industry loss estimate upward by nearly 31%, from €586 million to €767 million, based on updated claims data from impacted insurers covering property and motor lines. The storm was identified as the largest single event loss of the European windstorm season 2025/26, with wind losses driving the majority of the insured loss. PERILS will publish a further updated estimate on 13 August 2026.
PERILS has updated its industry loss estimate for extratropical windstorm Nils...lifting the total almost 31% to €767 million...Nils generated the largest event loss of the European windstorm season 2025/26, with wind losses causing the majority of the industry loss.
Source: Artemis (ILS/Cat bonds) (Trade Media) · View source
Lloyd's classifications
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