Major Winter Storm Impact Assessment and Response Guide

This technical report outlines the anticipated impacts of a major winter storm expected to affect nearly two-thirds of the United States, as forecasted on January 21, 2026. The report details the life safety and public health risks associated with prolonged power outages and subfreezing temperatures, emphasizing the potential for hypothermia and delayed medical treatment. It also discusses the implications for power, utilities, and critical infrastructure, highlighting the likelihood of widespread electrical outages and service interruptions. Transportation and mobility challenges are addressed, noting hazardous road conditions and potential disruptions to aviation and rail networks. The report further examines business continuity and supply chain risks, indicating that power outages and workforce absenteeism may lead to operational disruptions. Emergency response and recovery efforts are also considered, with recommendations for organizations to enhance resilience and risk mitigation strategies. The document serves as a comprehensive guide for preparing for and responding to the impending storm and its associated challenges.