How to design an actually good flash flood alert system

The article discusses the challenges in designing an effective flash flood alert system in the United States. It highlights the recent devastation caused by flash floods in various regions, including the Northeast, Midwest, and central Texas, where over 130 lives were lost earlier this month. Local officials are facing criticism over the timeliness and effectiveness of their mobile phone alerts, with some residents claiming that too many alerts for unrelated incidents may have led them to opt-out of the warning system. The article also mentions the case of Kerr County, which was hard-hit by the floods, and the mounting questions surrounding the alert system. The article suggests that designing a truly effective flash flood alert system is a complex challenge that requires careful consideration of factors such as message fatigue, user behavior, and the integration of various data sources to provide accurate and timely warnings.