Uninsured residential flood loss is between $10 and $17 billion

CoreLogic^®, a leading global property information, analytics and data-enabled solutions provider, today announced its updated and final damage estimates for Hurricane Ian.

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Figure 1: Flood Extent of the Peace River in Arcadia, Florida After Hurricane Ian. (Graphic: Business Wire)

According to this new data analysis, total flood and wind losses are between $41 billion and $70 billion. This estimate (Table 1) includes wind loss, re-evaluated insured and uninsured storm surge loss and newly calculated inland flood loss for residential and commercial properties.

• Flood loss from NFIP and private insurance for residential and commercial properties is estimated to be between $8 billion and $18 billion, which includes both re-evaluated storm surge and new estimates for inland flooding.
• Uninsured flood loss for this area is estimated to be between $10 billion and $17 billion.
• Wind losses are estimated to be $23 billion to $35 billion.

Wind and Storm Surge Led in Damages While Inland Flood Spared Concentrated Areas

Inland flooding was extreme due to significant riverine flooding along Peace River in Arcadia, FL, located south of Tampa, FL and north of Punta Gorda, FL. Peace River, which normally runs 130 feet wide, flooded to more than a mile wide due to Hurricane Ian surge and rainfall. However, this area is designated as a Special Flood Hazard Area (SFHA) by FEMA and housing is sparse in this location (see Figure 1).

“In many areas the flood extent approximates the SFHA boundaries, a clear indication that SFHA is a useful tool for city planners who wish to understand flood risk and mitigate flood damages,” said Tom Larsen, senior director of Hazard and Risk Management, CoreLogic. “Without constraints in development in the SFHA, flood damages would have skyrocketed. Learning from this riverine flood event will help city planners make better decisions about where residential development makes sense, from standard construction homes to manufactured home communities.”

Hurricane Ian’s large wind field and landfall path caused severe wind and coastal storm surge damage along the densely populated coast. “The key reason Hurricane Ian is so economically destructive is due to the massive growth in coastal real estate in Florida,” said Larsen. “Florida's population has grown 50% since 1992 when Hurricane Andrew hit Miami, with disproportionately more growth in South Florida. The extra costs incurred from the surge in repair needs simultaneous with a fragile economy are headwinds to rapid reconstruction and we should expect to see resident displacement and housing affordability issues in the state for some time to come.”

Housing Impacts of Hurricane Ian

According to CoreLogic analysis, Florida had been a primary destination in the great migration trend of 2020 and 2021 due to the state’s lack of income tax and housing with lower cost per square foot than homes in major coastal metros like New York City and San Francisco. Additionally, residents have enjoyed increasing home equity gains throughout 2022, with homeowners reaching an average equity all-time high of nearly $300,000. Disasters like Hurricane Ian, however, may put a damper on the state’s housing growth.

“Housing markets in Florida will face difficult times as many Florida residents have been impacted by the devastating storm,” said Selma Hepp, interim lead of the Office of the Chief Economist, CoreLogic. “Initially, we are likely to see an increase in mortgage delinquencies as is typical following catastrophes. Also, rents are likely to jump as households who lost their home seek immediate shelter. Longer term, home price growth in hard hit areas is likely to lag that of the rest of the state and nation as people may opt to move to areas less prone to natural disasters. CoreLogic observed this trend in the Gulf Coast region following Hurricanes Laura, Delta and Ida.”

According to CoreLogic, more than 66,000 pending mortgage applications worth nearly $22.5 billion are currently in progress in Florida, North Carolina and South Carolina and are in jeopardy from Hurricane Ian damages.

More Information on Damage Estimates

Insured loss represents the amount insurers will pay to cover damages. Unlike wind damage, which is covered by a standard homeowners policy, flood is a separate coverage which is not mandatory outside the designated Special Flood Hazard Areas (SFHAs).

This analysis includes residential homes and commercial properties, including contents and business interruption and does not include broader economic loss from the storm. The inland flood analysis is based on the rainfall from September 25 to October 4.

Visit the CoreLogic natural hazard risk information center, Hazard HQ™, at www.hazardhq.com to get access to the most up-to-date Hurricane Ian storm data and see reports from previous storms.

Methodology

The U.S. Inland Flood Model models all sources of precipitation-driven flooding including riverine, stream, off-plain, and flash flooding. It delivers a comprehensive analytic view of the risk, utilizing widespread coverage of hydrologic and hydraulic data that reflects regional flooding and drainage patterns. As flood risk evolves due to urbanization and change in baseline stream and sea levels, the flood risk methodology from CoreLogic is designed to stay abreast of the latest flood risk data and research, ensuring continuity of risk insights into the future.

The CoreLogic North Atlantic Hurricane Model includes improved location risk and estimation through its robust stochastic event set, high-resolution hazard modeling, component-level vulnerability, and usage of PxPoint™, the structure- and parcel-level geocoding engine. With detailed and rigorously validated model outputs, the model provides the ability to calculate damage contributions from wind and storm surge, providing a transparent way of looking at loss as well as to obtain a better understanding of capital adequacy for the separate or combined perils of hurricane winds and coastal storm surge flooding. The model offers a complete view of the risk for all perils and sub-perils. The North Atlantic Hurricane Model is updated biennially and has been certified by the Florida Commission on Hurricane Loss Projection Methodology (FCHLPM) since the inception of the process in 1997.

Source: CoreLogic

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About CoreLogic

CoreLogic is a leading global property information, analytics and data-enabled solutions provider. The company’s combined data from public, contributory and proprietary sources includes over 4.5 billion records spanning more than 50 years, providing detailed coverage of property, mortgages and other encumbrances, consumer credit, tenancy, location, hazard risk and related performance information. The markets CoreLogic serves include real estate and mortgage finance, insurance, capital markets, and the public sector. CoreLogic delivers value to clients through unique data, analytics, workflow technology, advisory and managed services. Clients rely on CoreLogic to help identify and manage growth opportunities, improve performance and mitigate risk. Headquartered in Irvine, Calif., CoreLogic operates in North America, Western Europe and Asia Pacific. For more information, please visit www.corelogic.com.

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