NDLI: Wireless Alerts for Flash Flood Warnings and the Impact on Car Accidents

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Wireless Alerts for Flash Flood Warnings and the Impact on Car Accidents

Content Provider	Semantic Scholar
Author	Ferris, J. Stephen
Copyright Year	2016
Abstract	Wireless alerts delivered through mobile phones are a recent innovation in regulatory efforts toward preparation for extreme weather events including flash floods. In this article, we use difference-in-differences models of the number of car accidents from days with government issued alerts for flash flood events in Virginia. We find that wireless alert messages for flash flood warnings reduced car accidents by 15.9% relative to the counterfactual with non-wireless alert protocols. We also use a regression discontinuity model to analyze hourly traffic volume data immediately before and after a flash flood warning message is issued. We find that traffic volume is reduced by 3.1% immediately following the issuance of a wireless alert relative to before the alert. These results imply that wireless alert messages effectively reduce exposure to hazards associated with extreme weather.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://smartgrowth.umd.edu/assets/documents/research/ferrisnewburnwirelessalerts.pdf
Language	English
Access Restriction	Open
Subject Keyword	Accident caused by flooding Adobe Flash Alert:Type:Point in time:^Patient:Nominal Cautionary Warning Chimeric antigen receptor Counterfactual conditional Difference in differences Hazard (computer architecture) Hot flushes How True Feel Alert Right Now Mobile Phone Protocols documentation Reflections of signals on conducting lines message
Content Type	Text
Resource Type	Article

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