Methods/Tornado Missile Risk Evaluator

TOOL / PLATFORM

Tornado Missile Risk Evaluator (TMRE)

The Tornado Missile Risk Evaluator is an industry-developed methodology for evaluating the risk significance of tornado missile protection nonconformances at nuclear power plants. Established by the Nuclear Energy Institute in NEI 17-02, the methodology provides a risk-informed framework for resolving nonconforming conditions identified under NRC Enforcement Guidance Memorandum 15-002. TMRE produces Exposed Equipment Failure Probabilities.

MORE INFO COMING SOON — This page is under active development. Detailed content will be available in an upcoming update to the External Hazards Knowledge System.

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Return to Methods and Tools. | EPRI technical point of contact: Chris Rochon (CRochon@epri.com)

Date last reviewed: 2026-05-07