UNDERSTANDING PEOPLE’S RESPONSES TO TORNADO RISK

Researchers studying risk assessment focus on how people interpret tornado risk, common tornado attributes, and forecast information. Studies find that people are more confident in receiving tornado warnings during the day than overnight, especially when presented with barriers like power outages and living in a rural area. However, when they do receive a warning, the majority of people are not complacent. They do something after receiving a warning, like checking their phone or local media for more information or gathering loved ones in a safe area. Other studies focus on how the public understands tornado risk and find that many people in the SE US believe that there is a single tornado season, when tornadoes can and do happen all year.  Finally, studies in this category found that when risk communicators use more specific uncertainty information (like numeric probabilities), people had better understanding of the risk and higher trust in the information. What we have learned about how people interpret tornado risk and forecast information is helping forecasters, broadcasters, and others better communicate the risk of tornadoes to different communities.

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