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Catastrophe Claims Response

The organized deployment of adjusters, vendors, and triage protocols to manage a surge of claims following a natural disaster or large-scale loss event.

industryPublished 2026/06/07Last verified 2026/06/07

FAQs

What triggers a carrier to declare a catastrophe event?
Most carriers declare a CAT event when an occurrence meets a predefined threshold — commonly 25 or more claims arising from the same event, or when the event is designated a catastrophe by a recognized organization such as ISO/PCS (Property Claim Services).
How do reinsurers get notified of catastrophe events?
Reinsurance treaties include prompt reporting provisions that require the ceding carrier to notify the reinsurer when a CAT event is likely to result in treaty losses. Brokers typically coordinate this notification process.
What role does aerial imagery play in modern CAT response?
High-resolution aerial and satellite imagery, analyzed by AI, allows carriers to assess damage across thousands of properties within hours of an event. This enables rapid prioritization, earlier reserve setting, and more efficient field adjuster deployment.

Related Terms

  • Independent Adjuster

    A claims professional working as an independent contractor hired by insurers on a fee or per-claim basis to investigate, evaluate, and settle claims.

  • Bulk Reserving

    A reserving method applying statistical factors to groups of claims rather than setting individual case reserves, used for high-volume low-severity lines.

  • Case Reserving

    The process of establishing a specific dollar reserve for an individual open claim, representing the estimated total cost to resolve that claim.

  • SIU Referral

    The process of routing a suspicious claim to the Special Investigations Unit for investigation of potential fraud before settlement.

Related Items

  • Tractable

    Computer-vision damage appraisal for auto/property

  • Snapsheet

    Photo-based virtual claims appraisal for auto and property

  • Guidewire

    Cloud P&C insurance platform combining core systems, data, analytics, and AI for carriers

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Catastrophe claims response refers to the structured, pre-planned activation of a carrier's surge capacity to handle the sudden, concentrated volume of claims generated by a natural disaster, severe weather event, or other mass loss occurrence. It encompasses logistics, adjuster deployment, technology mobilization, and vendor coordination to ensure timely, accurate claim resolution at scale.

How it works / Why it matters

A major hurricane or hail event can generate thousands of new claims within 24 to 72 hours — volumes that overwhelm normal staff capacity. Effective catastrophe response depends on advance preparation: pre-negotiated agreements with independent adjuster firms, pre-certified vendor panels for repairs and debris removal, deployable mobile claims units, and scalable technology platforms that allow remote claim intake and documentation.

Carriers activate a catastrophe code (CAT code) for the event, which enables segregated tracking of CAT claims separate from the normal book. This separation is critical for financial reporting — CAT losses are disclosed separately in statutory filings, investor communications, and reinsurance notifications. Reinsurers must be notified promptly when a CAT event is likely to trigger treaty recoveries, often within 30 to 90 days depending on treaty terms.

The triage phase of CAT response prioritizes the most severe claims — complete structural losses, displaced families, businesses unable to operate — for immediate attention, while simpler claims are routed to high-volume, lower-cost handling tracks including desktop adjustment and photo-based estimating. AI-powered aerial imagery analysis tools can assess roof and exterior damage at scale within hours of a storm, allowing carriers to identify total losses and prioritize field deployment before adjusters are even on the ground.

In practice

Following a Category 4 hurricane landfall, a mid-size homeowners carrier activates its CAT plan: it notifies its two IA vendors to deploy 150 adjusters to the affected area, opens a temporary claims intake hotline, deploys a mobile claims unit to the hardest-hit counties, and begins aerial imagery assessment using tools integrated with Tractable or similar platforms. Bulk reserves are established immediately for the estimated 8,000 affected policyholders based on historical storm loss patterns.

Customer communication is critical during CAT events. Self-service claim filing apps, text status updates, and proactive outreach to policyholders in the affected geography reduce inbound call volume and demonstrate good faith claims handling.

Related concepts

CAT response triggers heavy use of bulk reserving before individual case reserves can be set. It also tests SIU referral capacity as post-disaster fraud — inflated contractor estimates, fraudulent repair claims — tends to spike after major events.