United States Department of Transportation
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Weather-Responsive Management Strategies (WRMS) Fact Sheet - Pathfinder: Arizona’s Coordinated Messaging on Snowstorm Impacts
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2024-02-01
[PDF-1.40 MB]
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Abstract:Pathfinder is a collaborative effort for proactive system management ahead of, during, and after adverse weather events. It facilitates partnerships between the National Weather Service (NWS), State departments of transportation (DOTs), and State DOT private weather-service providers who provide road weather information. Through its efforts, Pathfinder enables the sharing and translation of weather forecasts and road conditions into consistent transportation impact messaging for the general public. As a result, weather events’ impacts are minimized, lives are saved, and traffic demand is reduced. The Arizona Department of Transportation (ADOT) and the NWS formally established Pathfinder in the 2019–2020 winter season to facilitate the coordination of winter weather event messaging. Pathfinder in Arizona is implemented statewide for larger weather events across all ADOT Districts and the four NWS Weather Forecast Offices (WFOs) that cover Arizona, and also between individual Districts and WFOs for smaller weather events with medium impacts. Pathfinder coordination, which includes preseason meetings and postseason after-action meetings, occurs for winter weather events and major rain events that will affect burn scar areas and/or cause flooding. This factsheet provides an overview of recent efforts in Arizona to further strengthen Pathfinder practices in relation to snowstorm impact messages.
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