5m Florida Flood Map

Our high-resolution flood maps and associated pricing data™ are in development for the continental United States, with Florida already available. These new maps enable re/insurers and others with an interest in Florida property to improve their management of the very significant risk of flooding in many parts of the state.

"As communities clear up from the flooding caused by Hurricane Michael, the need for better understanding of flood risk in the state is more apparent than ever", says Matt Reid, Managing Director of JBA Inc., USA. Our Florida Flood Map provides a comprehensive understanding of all three principal types of flood, fluvial (river), pluvial (rainfall) and storm surge flood hazard, across the state at a resolution of 5m. In addition, the associated pricing data translates the flood maps into an easy-to-use tool for insurers to calculate an annualized cost of flooding at any location in the state.

"The JBA maps not only use the most up-to-date terrain data available", comments Matt, "but we have made over 100,000 edits to that data to ensure it appropriately represents the terrain over which flooding will develop."

The level of detail and the use of the very latest data within the maps are particularly important in a state like Florida where there has been a lot of development in recent years. More housing, bigger roads, landscaping and engineering all impact the flood risk. Furthermore, we have collaborated with hurricane, wind and storm surge experts Applied Research Associates, Inc. (ARA) to produce the coastal surge inundation portions of the flood maps.

“Flood is the most prevalent natural peril in the US but perhaps the least understood,” adds Matt. “The result of this is not only a significant insurance gap that impacts many thousands of residences and businesses every year but also a latent market opportunity for insurers. Change may come as a result of the National Flood Insurance Program (NFIP) reauthorization in November but the need for broad-scale and high-resolution flood data remains critical in understanding the risk and providing appropriate cover. We believe that JBA’s new 5m resolution flood maps will provide the necessary insights to help the market evolve and the insurance gap to narrow.”

The Florida Flood Maps are available directly from JBA or through selected partners and resellers. Get in touch below for more information or read our latest blogs about why the US needs another flood map and whether US flood defences are still fit for purpose. For more information on our 5m US Flood Map, read our executive briefing.

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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.