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Sign up online to get San Francisco emergency warnings via wireless text or email 

Did you know that San Francisco residents and visitors can get alerts about city emergencies (tsunami warnings, flooding, citywide disaster info, traffic disruptions) sent automatically to their wireless devices and email accounts? Just go online to register for free at www.AlertSF.org, a program of San Francisco’s Department of Emergency Management. 

FYI: Depending on your wireless plan, text message charges may apply. If you register your cellphone, make sure it can receive email-generated text messages.