Cat 5 Florida hurricanes could drive $300bn plus insurance market loss: Swiss Re

Under certain scenarios, a category 5 hurricane ploughing into Miami or Tampa Bay has the potential to drive more than US $300 billion of losses across the global insurance and reinsurance market, Swiss Re’s Institute said today, while also explaining the importance of reinsurance and ILS capital in protecting the state.

In addition, the research found that a repeat of the 1926 Great Miami Hurricane event, a category 4 storm, has the potential to drive over US $200 billion of industry losses to the re/insurance sector today.

These scenarios illustrate “how population growth and the accumulation of assets in exposed areas are driving higher insured natural catastrophe losses globally,” Swiss Re explained.

Balz Grollimund, Head Catastrophe Perils at Swiss Re, commented, “The Atlantic hurricane season has been relatively quiet so far this year, but it only takes one major storm making landfall in a highly exposed area to turn a quiet season into a costly one. One hundred years after the Great Miami Hurricane, the question is not simply how powerful the next major hurricane will be, but what it will encounter when it reaches shore. That lesson extends well beyond Florida: as populations and asset values increase in areas exposed to natural catastrophes, so does the potential for large insured losses.”

On top of this, the analysis undertaken suggests that a repeat of 1992’s hurricane Andrew today could drive insurance industry losses of close to US $100 billion.

That category 5 storm made landfall just 20 miles south of Miami, which helps to show the difference location makes in the ultimate insurance and reinsurance market losses suffered from a major US hurricane event, when compared to the $300bn+ figure.

However, things have changed dramatically since Andrew, both in Florida itself as well as across the global reinsurance landscape.

Swiss Re said that “Traditional and alternative reinsurance capacity can be more effective when supported by catastrophe modelling, disciplined accumulation management and effective mitigation.”

Today, any of these three major loss scenarios would result in meaningful losses for the insurance-linked securities (ILS) market and catastrophe bonds, with Florida being the highest exposure concentration for the ILS marketplace.

The importance of this capital source would be clearly demonstrated in helping affected insurers pay claims, re-build their capital after the event, and trade forwards with the help of capital markets funding and ILS market participants.

Swiss Re notes that “global reinsurance capacity is critical to Florida hurricane risk,” within that you can count the ILS market’s growing contribution as well.

The company explained, “A century of exposure growth has transformed Florida hurricane risk into a globally relevant peak risk for the re/insurance industry. Swiss Re Institute’s trend extrapolation suggests global insured natural catastrophe losses of around USD 148 billion in 2026, even without a major Florida hurricane loss. Combined, annual insured natural catastrophe losses could therefore exceed USD 450 billion if our modelled extreme scenario occurred. Losses on this scale underscore the critical role of reinsurance in absorbing peak-loss volatility and protecting insurers’ capital.

“Reinsurance plays a critical role as a shock absorber of peak loss scenarios. Reinsurers cover more than half of losses above trend in peak-loss years. Growth in both traditional and alternative reinsurance capital may help keep pace with rising natural catastrophe risks. US wind is the dominant risk in the USD 60 billion cat-bond market and Florida tail risk capacity in reinsurance and retrocession markets relies heavily on the additional alternative capacity. As exposures continue to accumulate, maintaining sufficient risk-transfer capacity must go hand in hand with robust modelling, disciplined accumulation management and effective mitigation.”

Monica Ningen, CEO US P&C Reinsurance at Swiss Re, stated,: “Florida’s growth has transformed the risk landscape, making it increasingly important for insurers, communities and policymakers to understand how exposure is changing. Stronger building standards have improved resilience, but continued population and property growth in exposed areas means the potential for severe losses remains significant. Effective mitigation and risk modelling can help manage that risk, while reinsurance helps insurers absorb the volatility of severe events.”