Flood Models

Our market-leading flood catastrophe models capture sources of loss from river, surface water and coastal flooding.

Our market-leading models capture sources of loss from river, surface water and coastal flooding and, by utilising our high-resolution flood maps within our models, we ensure a consistent view of risk across the entire risk transfer chain.

Transparent methodologies and development allows users to adjust model parameters to account for their own view of risk. We openly document and discuss our methods and model limitations with clients to ensure full transparency and an open approach to our work.

We don’t have a single set approach to model development, but rather tailor models to best match the needs and exposure profile of individual markets and companies. Many of our model developments are collaborative and we enable clients to adjust model components and to calibrate and sensitivity test models. 

Find details of all our available flood models in the map below

Our multidisciplinary teams continuously innovate and use the very best data and latest scientific research to meet the needs of the market. We collaborate with prestigious academic institutions and market leaders, grounding our models in peer reviewed science. 

Our flood models are platform agnostic and available on a range of platforms, including our own propriety, JCalf®, as well as Oasis, ModEx and Elements. 

Our models allow insurers and reinsurers to analyse their portfolio against a range of future events and to quantify their exposure to flood.

Results from our flood models can be used for:

  • Reinsurance pricing – gives the long-term expected loss cost beyond claims experience.
  • Assessing capital requirements – assesses the unexpected loss cost from low frequency, high severity catastrophic events.
  • Planning and portfolio management – demonstrates the impact of diversification and concentration of risk and potential changes to reinsurance structures.

 If you want to find out more about our other flood model components, check out our Event Sets or get in touch today.

Flood Services

Catastrophe Models

Our suite of high-resolution catastrophe models and event sets utilise the latest science to assess the potential severity and frequency of flood losses to global property portfolios.

Maps And Analytics

Our market-leading high-resolution global flood maps and analytics enable users to understand and manage their flood risk, using the latest research and innovation.


We work on a bespoke basis to offer unique solutions to your flood risk problems, from single site assessments and flood defence design to portfolio optimisation and tailored model builds, working with you to meet your needs.

Event Response

Our specialist event response team monitors global conditions to provide expert commentary, guidance and data for major flood events, allowing you to understand the impact on your business.

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