How are WEA alerts delivered to the public?
officials select the coverage area(s) which best match the location of an
emergency. All WEA-enabled mobile devices in the target location can receive
the alert, even if they are roaming or visiting from another state. In other
words, a customer visiting from Richmond or Detroit would receive alerts in Washington,
D.C., as long as he/she has a WEA-enabled mobile device in the alert zone.
does not sign up to receive a WEA message; it is automatically deployed through
the jurisdiction’s WEA system.