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Snow & avalanche · Research synthesis

After the avalanche.

A closer look at the questions a fatal-accident series can answer—and the questions it cannot.

4 min readReview record: October 16, 2026Version 0.1.1Published synthesis

Start with the question

What can fatal-accident records tell us about preparation?

Source findingThis paper examines historical fatal backcountry avalanche accidents alongside changes in risk-management messaging. It is a selected record of fatal events, rather than a study following all people who travel in avalanche terrain.[1]

SynthesisFatal-accident records can prompt useful questions about preparation for injuries and the response after a burial or traumatic event. They cannot, by themselves, tell us how much a course changes survival or estimate an individual traveler’s risk.[1]

MTN educational interpretationFor MTN, the educational question is how to prepare for the care and evacuation decisions that follow an incident. That is a teaching interpretation, not an effect of training demonstrated by this dataset.[1]

Study at a glance

Who—and what—was studied?

Population

240 fatal U.S. backcountry ski and snowboard avalanche accidents, 1974–May 2024. Guided, club, sidecountry and operational accidents were excluded.

Design and setting

Exploratory retrospective analysis presented in the 2024 International Snow Science Workshop proceedings.

Keep the boundaries visible

What this evidence cannot tell us.

  • Only fatal events in the defined setting were selected; this is not a record of all avalanche incidents.
  • There is no exposure denominator or comparison that establishes a training effect.
  • The proceedings state that contributions were neither reviewed nor edited.
  • No graph-dependent finding is included; graph images were not visually reviewed.

Read the originals

Sources & review record.

  1. 1. McCammon I, McNeil K. Risk Management Trends in U.S. Backcountry Avalanche Accidents: Skiers and Snowboarders. ISSW 2024 proceedings, pp.1473–1480.

    FULL TEXT REVIEWED

    Sections 3.1–3.3: source records, inclusion/exclusion and exploratory design; section 4.1: accident count; section 4.9: trauma preparation; sections 5–6: conclusions and limitations. Graph images not visually reviewed.

    Open original source ↗ (opens in a new tab)
    Access, attribution & rights notes

    Source audit supplied October 15, 2026. Displayed claims and source locations checked for publication October 16, 2026. This factual synthesis excludes unreviewed supplementary material and does not reproduce publisher artwork. All eight pages of text checked again October 16, 2026; no graph-dependent claims used.

    Original factual summary with a link to the source. The source PDF, text, tables and graphs are not reproduced, adapted or hosted here.

    Review record: 2026-10-16. Article version: 0.1.1.

How each passage is supported

Paragraph 1 · Source finding

Methods and inclusion criteria; sections 3–4

Sources 1 · Version 0.1.1

Paragraph 2 · Synthesis

Discussion, sections 5–6; study design and missing exposure denominator

Sources 1 · Version 0.1.1

Paragraph 3 · MTN educational interpretation

Educational interpretation of the study scope, not a measured outcome

Sources 1 · Version 0.1.1