Public Response to Alerts and Warnings on Mobile Devices Summary of a Workshop on Current Knowledge and Research Gaps (2011) / Chapter Skim
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2 Current Use of Text Messages for Alerts and Warnings: Experiences and Lessons Learned
2 Current Use of Text Messages for Alerts and Warnings: Experiences and Lessons Learned
Pages 14-20
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From page 14... ...
CMAS will use the cellular network to target messages geographically based on the actual location of the recipient. The District of Columbia established a text alerting system, DC Alerts, to deal not only with typical severeweather warnings but also with road closings and other security measures that are frequently in force in the nation's capital.
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The system has approximately 55,000 subscribers, or about 85 percent of the student, faculty, and staff population. DC Alerts is an optin system, with registration offered through a Web site.
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In the District of Columbia, the frequency of events encourages registrants to keep their information updated. However, the DC Alerts system also has numerous registrants who no longer live in the area -- for example, interns or contractors who may reside in the city only for a short period of time often fail to remove their names from the system.
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From page 17... ...
Other traditional alert and warning capabilities are also used, including a hotline number that provides recorded information, sirens, loudspeakers, and alerts to local media. Virginia Tech also provides desktop software that receives messages by means of an Internet connection and notifies the user with audio and a message window.
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. Through the inclusion in initial mes sages of a pointer to the Web site for additional information and updates, users know where to continue to go to get information as a situation develops.
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EDuCATION OF THE PubLIC Community organizations and leadership play an important educa tional role with respect to DC Alerts. The District of Columbia received Federal Emergency Management Agency (FEMA)
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From page 20... ...
• Multiple alerting tools using distinct communications channels are invaluable in maximizing the population reached during an emergency. • Approaches such as CMAS's use of a separate delivery channel or the use of lowbandwidth Web sites can ease the stress placed on net works and increase the likelihood that affected populations are able to receive messages.
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