The San Luis Obispo County Early Warning System sirens will be tested on Saturday, August 22. Sirens will sound at 12:00 p.m. and again at 12:30 p.m. for three minutes. During the tests, no action is required on the part of the public.

Local radio and television stations will conduct normal programming during the tests. If you hear sirens at any other time, tune to a local radio or television station for important emergency information. When at sea, tune to Marine Channel 16.