This paper evaluates social science research findings on the topic of vulnerable populations and warning forecasts. The authors term populations that are potentially more vulnerable or at risk to natural hazards as groups that are underprivileged according to their socioeconomic status. Some vulnerability characteristics that make these groups more vulnerable are their relationship within the community, cultural differences, and a lack of a political voice, as well as other demographic factors. The authors argue that specific vulnerability characteristics such as those mentioned above result in some groups being less likely to receive and respond to hazard warnings.