Climate Change Flood Models and Data for Every Location Worldwide

  • The first ever in-depth insight into the potential impact of climate change on flood losses within every country in the world
  • Details significant variations in flood risk by type across the globe
  • Enables informed decisions on pricing strategies, portfolio assessment, accumulation analysis, capital management, and product development. Supports ESG and regulatory requirements

JBA Risk Management has launched a comprehensive set of global climate change tools enabling the re/insurance market, risk managers and lenders to understand future flood risk in any country in the world.

The suite of tools consists of new customisable Climate Change Flood Models offering high-resolution and sophisticated probabilistic flood loss modelling for every country in the world, and new Global Climate Change Analytics data providing location-level baseline and future climate analysis of flood risk across the globe. 

JBA’s climate change methodology combines the highest resolution flood mapping available with modelling the severity and frequency of rainfall and river flooding under future climate scenarios. Based on its own innovative research JBA is able to create completely new event sets that capture more events with greater flood depths and wider geographical impacts. The result is a view of future flood risk with multiple scenarios covering intermediate and high emissions pathways.

The flood models offer unparalleled flexibility to incorporate a client's own data, loss experience and view of risk. JBA’s climate change flood insights can be used by the re/insurance market to inform future pricing strategies, quantify changes to portfolio-level exposure, develop new insurance products and compare changing flood risk in different territories around the world. The insights can also help re/insurers meet ESG and regulatory requirements.

International snapshot

JBA’s new tools demonstrate, for example, that whilst the US as a whole would face an 18% increase in losses from inland flood by the mid-century under an intermediate climate warming scenario (should no mitigating action be taken), there is considerable variation in the impact of climate change on flooding at a state level. Just over half of US states could see an increase in losses from inland flood by 2050 with a reduction expected in other areas.

In the same climate scenario, Canada shows a reduction in flood risk of 18% and 30% in river and surface water losses respectively. However, again, the true picture is more complex with some regions facing major increases, whilst others will see major reductions.

Mainland Europe, under the same mid-century, intermediate warming scenario could see a 14% increase in river flood loss, and a 23% increase in surface water loss with nearly 80% of European countries observing an increase in surface water loss.

As the world’s focus turns to COP27 the launch of our new suite of tools demonstrating how diverse the impact of climate change will be in terms of flood loss and reduction around the world could not be timelier. The data not only reveals the complexity of flood risk around the world, and within different countries and regions, but will provide the industry with the insights and knowledge it desperately needs.
Judith Ellison, Climate Change Commercial Lead at JBA Risk Management

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