Effectively Communicating Risk and Uncertainty to the Public: Assessing the National Weather Service’s Flood Forecast and Warning Tools

2016 
AbstractGiven the constant bombardment of weather information in different formats and time frames with different levels of certainty, how does an important message make an impact? For weather and river forecast offices, this is a pressing question given a likely future of increasing high-impact storm events. These offices need to quickly and effectively motivate public response to impending events such as flooding. Currently, communication of flood potential is accomplished through a suite of forecast and warning products, including river hydrographs, precipitation forecasts, and flood watches and warnings. Despite advances in forecast accuracy and lead time, people fail to respond to warnings and often suffer substantial damages and loss of property. To understand how the public uses and interprets National Weather Service (NWS) flood products, an extreme storm scenario was presented using NWS forecast products in a series of focus groups in the Delaware River basin (Pennsylvania–New Jersey). Findings f...
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