This Wednesday there will be a nationwide test of the Emergency Alert System. This is a FEMA program, and the ARRL will not be involved. If you have any questions, hers are links to press releases and information. Feel free to disseminate this as you feel appropriate.

https://www.fema.gov/press-release/20230803/fema-and-fcc-plan-nationwide-emergency-alert-test-oct-4-2023
https://www.weather.gov/afc/WEAtest
https://www.fcc.gov/consumer-governmental-affairs/fcc-announces-nationwide-emergency-alerting-tests-october-4-2023
https://www.livenowfox.com/news/nationwide-emergency-alert-test-oct-4