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Structure Fire and Conflagration

Hazard in Fire

A large fire that spreads building to building, overwhelming local fire resources and displacing whole blocks.

Plans also call it: conflagration, urban conflagration, structure fire, urban fire, building fire, structural fire

See a sample briefBook a walkthroughAll 31 hazards →

Sample brief

The first page of a Structure Fire and Conflagration brief: likelihood, impact and readiness on your own scale, with each figure sourced.

Evidence brief for Cedar Ridge County (example)

September 14, 2026

Structure Fire and Conflagration

Hazard in Fire, on the established threats & hazards list

Impact
5432112345

Likelihood

Likelihood
2

Unlikely — Possible but infrequent — roughly once in 50 to 100 years (1–2% chance in any year).

Impact
2

Minor — Limited effects — few injuries, damage confined to a small area, brief localized disruption of services.

Readiness
4

High — The organization has a well-developed capability to manage this threat or hazard. Plans, personnel, resources, and skills are largely in place, and the capability has been meaningfully tested or demonstrated. Remaining gaps are unlikely to significantly impair performance.

  • 2source documents
  • 58verified mentions
  • —federal declarations
  • —NRI risk score
Worked example: Cedar Ridge County is fictional. The scores illustrate the format and are nobody's decision. Open a full sample brief →

The national record

FEMA’s National Risk Index doesn’t model Structure Fire and Conflagration. Your team fills it with local evidence, and Hazzard shows the gap rather than a zero.

How it maps

The same hazard in the vocabularies your plan and FEMA already use.

FEMA National Risk Index
Not covered
FEMA declaration incident type
Not covered
NOAA Storm Events type
Not covered
Hazzard category
Fire, natural hazards

How it connects

The national record

What the federal data says about Structure Fire and Conflagration: nothing yet

No federal dataset scores Structure Fire and Conflagration or files declarations under it. That's common for threats and emerging hazards, and it's why a brief for Structure Fire and Conflagration is built from your own plans, exercises and records. Hazzard shows the gap instead of inventing a number.

In your plan

What a Structure Fire and Conflagration profile needs, and where each part comes from

A local hazard mitigation plan profiles each hazard the same way (44 CFR 201.6). Here is how Hazzard fills each part for Structure Fire and Conflagration.

  1. Location

    44 CFR 201.6(c)(2)(i)

    Your documents

    No national layer maps Structure Fire and Conflagration. We draw the geographic extent from your plans, studies and annexes, cited to the page.

  2. Extent

    44 CFR 201.6(c)(2)(i)

    Your documents

    The magnitude your plans use for Structure Fire and Conflagration (a scale, a depth, an acreage, a duration), read from your documents and cited, so the profile states the strength you plan for.

  3. Previous occurrences

    44 CFR 201.6(c)(2)(i)

    Your documents

    FEMA files no declaration type for Structure Fire and Conflagration. The history comes from your after-action reports, incident records and plans.

  4. Probability of future events

    44 CFR 201.6(c)(2)(i)

    Your team decides

    No national dataset gives a frequency for Structure Fire and Conflagration. Your team scores likelihood on your scale from the evidence we organize.

  5. Vulnerability and impacts

    44 CFR 201.6(c)(2)(ii)

    Your documents

    The Census population profile and HHS emPOWER counts for context; the consequences themselves come from your plans and exercises.

  6. The assessment itself

    Your team decides

    Likelihood, impact and readiness for Structure Fire and Conflagration are drafted with every source attached, and a person on your team accepts each one. Hazzard never records a score on its own.

How we can help

How we’d help you prepare for Structure Fire and Conflagration

  1. 1

    We pull your county's record

    NRI's wildfire rating and expected loss, fire declarations, and the dry-season climate record for your county.

  2. 2

    We read the plans you already have

    Your hazard mitigation plan, community wildfire protection plan and EOP hazmat annex, so what they say about Structure Fire and Conflagration is cited to the page.

  3. 3

    You leave with a cited brief

    Likelihood, impact and readiness for Structure Fire and Conflagration on your own scale, with each figure tied to its source. It is ready for your planning team or council.

Also in Fire

Preparing for Structure Fire and Conflagration

Prepare for Structure Fire and Conflagration with evidence your council can check.

Wildfire risk concentrates where homes meet wildland, and a hazmat response starts with knowing what is stored nearby. We put your county's record next to your protection plans and annexes so the interface is argued from evidence. We reply within one business day.

Book a walkthrough

Takes about two minutes. A person reads each request.

Or start by marking your area on the map